Better component decisions start with better questions.
Practical, original guidance for buyers managing availability, authenticity, lifecycle and alternative-part risk.
How to write an RFQ that gets a useful answer
Give suppliers the commercial and technical context needed to quote the right material the first time.
5 min readRead guide SOURCING BASICSAuthorized vs independent supply
How to identify the actual supply channel, compare evidence and agree on risk before accepting a component quote.
5 min readRead guide QUALITY GUIDEDate codes: when component age matters
How to assess date-code requirements alongside storage, moisture handling and traceability before buying components.
3 min readRead guide ENGINEERING GUIDEA practical alternative-component review
A similar description is not enough. Alternatives must be checked for form, fit, function and qualification impact.
5 min readRead guide MARKET ALERTMemory Supercycle to 2028: What It Means for Your BOM
Micron says memory demand will outrun supply through 2028. How the supercycle spills into analog, power, and passives — and the procurement moves to make now.
5 min readRead guide LIFECYCLE GUIDEPlan for obsolescence before a line-down event
A repeatable lifecycle process gives engineering and procurement more options before supply disappears.
5 min readRead guide PROCUREMENT GUIDEEvery stock number needs a timestamp
Open-market inventory changes quickly. Treat a listing as a lead until availability is reconfirmed.
4 min readRead guide SELECTION GUIDEHow to choose an LDO regulator
Decide by trade-offs — dropout, noise and heat — not by the spec table. Includes a worked comparison of two real parts and a buying checklist.
5 min readRead guide SELECTION GUIDEHow to choose a power MOSFET
Gate drive decides the family; temperature decides the rating. A scenario-mapped guide with four real parts and anti-counterfeit buying notes.
5 min readRead guide SELECTION GUIDEHow to choose a buck converter
Two numbers lock the topology; layout decides the result. A decision-first guide with three real parts from classic to high-frequency.
5 min readRead guide SELECTION GUIDEHow to choose an op amp
Start from the signal, not the spec table. Covers single-supply pitfalls, stability, and three classic parts mapped to real scenarios.
5 min readRead guide SELECTION GUIDEChoosing temperature-humidity sensors
Accuracy is a cost ladder; drift is the hidden spec. A practical guide with three real sensors and procurement notes for moisture-sensitive parts.
5 min readRead guide SOURCING METHODFinding alternative components safely
A method for finding substitutes — not a review checklist. From function definition to market verification, with a worked example from our alternatives index.
6 min readRead guide BUYER GUIDEMLCC Selection Guide: Effective Capacitance First
Pick MLCCs by the capacitance your circuit actually sees: DC bias, temperature characteristic and voltage margin, not just the label value.
6 min readRead guide BUYER GUIDETVS and ESD Diode Selection: A Buyer’s Guide
Size TVS and ESD protection with five datasheet numbers: standoff voltage, breakdown, clamping, peak current and junction capacitance.
5 min readRead guide BUYER GUIDEESP32 vs STM32: Which Platform Fits Your Product
Choose between ESP32 and STM32 by the radio question first: wireless-ready modules against a deep MCU portfolio with a 10-year longevity program.
5 min readRead guide BUYER GUIDEElectrolytic Capacitor Selection: Ripple, Life, ESR
Choose aluminum electrolytics by ripple current, lifetime budget and ESR — wet, polymer or hybrid — without paying for voltage you don’t need.
9 min readRead guide BUYER GUIDEJST Connector Selection: XH, PH and SH Series
Choose between JST XH, PH and SH by pitch, current and mounting: the housing-contact-header set and suffixes like (LF)(SN), decoded for buyers.
8 min readRead guide BUYER GUIDEShortage Playbook: Keep Your BOM Moving
A buyer playbook for component allocation: pre-qualify alternates, set date-code rules, rewrite RFQs and vet brokers — decision steps, not part numbers.
7 min readRead guide BUYER GUIDECrystal Oscillator Selection: Load and Tolerance
Choose crystals by tradeoffs: match load capacitance to the MCU, budget tolerance plus stability in ppm and size ESR and package for reliable startup.
9 min readRead guide BUYER GUIDEPower Inductor Selection: Saturation First
Pick the power inductor by failure mode first: Isat vs Irms, DCR, shielding and core materials — a buyer-side guide to matching parts to buck converters.
10 min readRead guide BUYER GUIDEDiode Selection: Schottky vs Fast Recovery
Schottky, fast recovery or standard rectifier? A buyer-first guide to choosing the right diode by voltage, frequency and heat — not guesswork.
7 min readRead guide BUYER GUIDEMLCC Shortage 2026: What to Buy When High-Cap Parts Run Out
High-capacitance MLCCs are rationed into 2028. Learn which tiers are hit, how to qualify cross-vendor substitutes, and how to rewrite your RFQ.
8 min readRead guide MARKET ALERTTI Price Increase October 2026: A Buyer's Response Playbook
TI's third 2026 price hike took effect Oct 1; ST, ADI and others moved too. How buyers lock prices, write hike-proof RFQs, and find alternates.
5 min readRead guide MARKET ALERTOctober 2026 Power MOSFET Price Hikes: A Buyer's Playbook
onsemi, Infineon raised prices; Taiwan power makers follow with ~10–15% on non-contract MOSFETs. Coverage, causes, RFQ actions, as of Oct 1, 2026.
6 min readRead guide MARKET ALERTQ4 2026 Memory Price Forecast: A Buyer's Stock-Up Guide
TrendForce forecasts Q4 2026 DRAM contract prices up 10–15%, NAND up 15–20%. What to stock first and when to order — a buyer's Q4 guide.
5 min readRead guide MARKET ALERTMemory Price Reversal 2027: Acer vs. Big 3 Debate
Acer's CEO says the memory shortage is over and prices fall in H2 2027; SK hynix and Adata disagree. Two scenarios, and what buyers should do in each.
6 min readRead guide MARKET ALERTSemiconductor Tariff Phase 2: Landed-Cost Checklist
Phase 2 semiconductor tariffs are expected to widen coverage beyond advanced AI chips. This buyer's checklist covers HTS mapping, exemption paperwork, and landed-cost RFQs — as of Oct 1, 2026.
5 min readRead guide MARKET ALERTAMD + Intel CPU Price Hikes October 2026: Buyer's Guide
AMD reportedly raises GPU/AI chip prices ~10% in Q4; Intel reportedly follows Oct 5. Lock-in windows, Small Core EOL risk, and what buyers should do now.
6 min readRead guide MARKET ALERTMCU Shortage October 2026: What's Really Happening
MCU prices are rising again — but this isn't 2021. AI demand is crowding 32-bit automotive/industrial MCUs out of 8-inch capacity while 8-bit stays calm. What's confirmed, what's reported, and four procurement moves.
7 min readRead guide MARKET ALERTMicron Locked Up 75% of 2027 Output: A Spot Buyer's Survival Guide
Micron has committed over 75% of its 2027 output to long-term agreements — 26 LTAs, $32B in customer commitments, and about $150B in remaining performance obligations, CFO Mark Murphy said on the fiscal Q4 earnings call. What got locked, how it squeezes spot buyers, and five procurement moves.
7 min readRead guide MARKET ALERTReports Say Apple Wants NAND Deals Without a Price Cap: What Buyers Should Learn
Market reports say Apple is seeking multi-year NAND deals with no price cap — 'lock volume first, argue price later' as the reported playbook. The reports name no counterparty: Kioxia is the market's likely candidate, and the no-cap term itself is market speculation. Neither company has confirmed any deal. What was reported, why Apple might do it, and three signals for ordinary buyers.
6 min readRead guide MARKET ALERTChina's Memory Makers Are Crossing Into Each Other's Turf: What Buyers Should Know
CXMT reportedly plans a NAND R&D line while YMTC samples DRAM — China's memory 'division of labor' is breaking down. What was reported, when supply could be real, and three practical takeaways for buyers.
6 min readRead guide MARKET ALERTSkyworks and Qorvo Are Now One Company: What RF Buyers Should Do Now
Skyworks and Qorvo closed their merger — a reportedly $22 billion cash-and-stock deal — on October 5, 2026. What the deal changes for RF front-end buyers — and a five-point checklist for after the close.
6 min readRead guide MARKET ALERTonsemi Just Rewrote Its Synaptics Deal as $123-a-Share Cash: What Buyers Should Watch
onsemi revised its Synaptics acquisition to $123 a share in cash ($5.7B) after a competing bid. What the new terms reveal about intent — and a five-point buyer checklist for the eight months to close.
6 min readRead guide MARKET ALERTAMD Says It Will "Substantially Increase" Chip Supply in 2027: An AI Buyer's Guide
Lisa Su says AMD will "substantially increase" chip supply in 2027. What she actually pledged in Taipei, where the real bottlenecks sit — HBM, advanced packaging, substrates — and a six-point buyer checklist for the ramp.
7 min readRead guide MARKET ALERTMicrochip and Navitas Just Showed an 800V-to-6V AI Rack Power Design: A Buyer's Selection Guide
Microchip and Navitas showed an 800V-to-6V GaN reference design for AI racks, targeting 96% efficiency. What the design actually is, what it signals for component selection, and a five-point buyer checklist.
6 min readRead guide MARKET ALERTJapan's $15B Rapidus Bet: What a Second 2nm Foundry Means for Chip Buyers
Japan is spending $15 billion to build a second 2nm foundry. What Rapidus’ 17-company design alliance signals, how to diligence an unproven foundry, and a five-point buyer checklist for the second-source question.
6 min readRead guide MARKET ALERTTSMC's Foundry Hikes Are Coming for Your PMICs and MCUs: A Buyer's Timing Guide
TSMC is reportedly raising mature-node prices 3–10% from January 2027, and PMIC/DDI/MCU suppliers are planning 5%-to-double-digit hikes. The cost-domino map and a five-point timing checklist.
6 min readRead guide MARKET ALERTThe 32 GW Power Shortfall Nobody Priced Into Your Component Orders: A Data-Center Parts Buyer's Risk Guide
Morgan Stanley estimates a 34% net power shortfall for US data centers through 2028 — and memory, optics, power-management and analog parts are most exposed to the inventory disruption. What the estimate means for component orders, and five procurement actions to take now.
7 min readRead guide MARKET ALERTLaptop DDR5 Up Nearly 6x Since Mid-2025: A Buyer Timing Guide for a Shortage That May Run Into 2028
DDR5 prices have multiplied since 2025, server RDIMM spot prices broke $2,000, and Micron says more than 75% of its 2027 output is already committed, with key negotiations already on 2028 volumes. A timing guide for memory buyers: spot vs contract pricing, HBM's wafer squeeze, and five procurement moves that work.
7 min readRead guide MARKET ALERTASML's Reported 10% Parts Hike: What Rising Fab Operating Costs Mean for Your Component Prices
ASML is reportedly raising all lithography replacement-part prices 10% for Korean fabs from January 2027 — a blanket hike it almost never does. What the move says about equipment-supplier bargaining power, how fab operating costs flow into 2027 wafer quotes, and what component buyers should do now.
7 min readRead guide MARKET ALERTSamsung's HBM4 Position in AMD Foundry Talks: Is It Leverage? What an Unconfirmed Story Teaches Chip Buyers
Samsung holds the primary HBM4 supply position for AMD's MI455X while the two companies discuss foundry cooperation — whether memory is being used as leverage is unconfirmed, and that uncertainty is itself the lesson. A buyer's guide to the bundling playbook: how to spot leverage, how to evaluate a second source on yield and ecosystem — not price.
7 min readRead guide MARKET ALERTSamsung Reportedly Locks Up About 80% of 2027 Memory Output in Long-Term Deals: A Spot Buyer's Allocation Guide
Samsung has reportedly locked nearly 80% of its 2027 memory output into long-term supply agreements, and KB Securities estimates the remaining roughly 20% is not yet signed — how much of it reaches spot buyers is unknown. What that means for non-contract buyers — allocation, price mechanics, and how to negotiate LTA terms now.
7 min readRead guide MARKET ALERTSamsung's 12-Layer HBM4E Reportedly Clears Nvidia Qualification: What Next-Gen HBM Means for Memory Buyers
Samsung's 12-layer HBM4E has reportedly passed Nvidia's qualification tests — but neither company has confirmed it, and no order has been announced. What "reportedly qualified" actually means, the three stages between a test pass and a supply contract, and what memory buyers should watch next.
7 min readRead guide MARKET ALERTAmerica's Chip Supply Chain Is More Exposed to China Than It Looks, SIA Finds: A Buyer's Upstream-Risk Guide
The SIA's new supply-chain report finds the US chip industry's China exposure is far larger than headquarters data suggests — the SIA estimates China at about 95% of global gallium supply and about 85% of tungsten, and nearly a third of the upstream categories it analyzed rate as high risk. What component buyers should ask their suppliers now.
7 min readRead guide MARKET ALERTTSMC Taps GlobalFoundries for $2B of US-Made Silicon Interposers: What the CoWoS Bottleneck Means for Buyers
GlobalFoundries signed a $2 billion, five-year deal to build silicon interposers for TSMC's CoWoS packaging in the US, with volume ramp targeted for H1 2028. Why packaging — not wafer supply — is now the binding constraint on AI chips, the 2026–2028 capacity timeline, and what buyers should put on their planning calendars.
7 min readRead guide MARKET ALERTIntel, Qualcomm Reportedly Raise CPU Prices Up to 20% on TSMC Costs — AMD Said to Be Next: A Buyer's Price-Hike Playbook
Intel has reportedly raised PC CPU prices for a third time since late 2025, with Panther Lake up to 20% in the latest reported round; Qualcomm reportedly raised Snapdragon X about 10% in October; AMD is reportedly preparing its own. The reported common thread is TSMC wafer costs — and January 2027 increases are already rumored. Here's the buyer's playbook.
7 min readRead guide MARKET ALERTDDR4 Prices Reportedly Up 24% in Three Months, Outpacing DDR5: The Price-Inversion Buyer's Guide
Barclays data (via Wccftech) put DDR4 contract prices up 24% in three months — rising faster than DDR5. Worse, Barclays reportedly says new supply agreements are dropping price floors and ceilings. If your products are locked on DDR4, here's the buyer's playbook.
7 min readRead guide MARKET ALERTABF Substrate Shortage: Prices Up 25%+ in 2027, Lead Times 48–56 Weeks — A Buyer's Bottleneck Guide
Morgan Stanley says ABF substrates enter sustained undersupply from 2027, with prices up 25%+ and lead times already at 48–56 weeks. One company supplies the overwhelming majority of the key film (Mitrade put its share at more than 95% in August 2026). If your products use advanced packaging, here's the buyer's playbook.
7 min readRead guide MARKET ALERTTSMC Q3 Profit Jumps 69%, Q4 Guidance +55–61%: What Foundry Allocation Means for Component Buyers
TSMC just posted a sixth straight record quarter, with Q4 guidance reportedly implying revenue growth of 55–61% year-on-year. But Wei's no-sign-of-slowdown message on AI demand sits next to caution on 2027. For component buyers, the message is about allocation, not just price. Here's the playbook.
8 min readRead guide MARKET ALERTSmartphone Shipments Crash 22% in Q3 (IDC) as Memory Prices Surge 350%: The Demand-Destruction Buyer's Guide
IDC's preliminary figures put global smartphone shipments down 22% in Q3 2026 — the worst quarterly drop on record — with IDC putting memory prices up roughly 350% year-on-year. Apple and Samsung are reportedly cutting orders. The shortage is now destroying its own demand. Here's what it means for component buyers.
8 min readRead guide MARKET ALERTIntel Foundry's Comeback: Tesla Said to Pick 14A for Terafab — A Second-Source Buyer's Guide
Tesla is reported to have picked Intel 14A for Terafab — but KeyBanc's October roundup still lists Terafab among the customers evaluating Intel's nodes, and no customer has confirmed a win. KeyBanc puts 18A yields at roughly 85% and says Intel has reportedly won business from six large chip firms on 18A-P/14A, with three more still evaluating. Intel Foundry is becoming a real second source. Here's how to qualify it — and what the yield claims don't tell you.
8 min readRead guide MARKET ALERTRTX 5090 Shortages and the GB202-to-RTX-Pro Reports: The Allocation-Arbitrage Buyer's Guide
The RTX 5090 was reported missing from NVIDIA's US Marketplace listings, with street prices reported at roughly $4,800 to more than $8,000 — while the RTX Pro 6000 card built on the full GB202 die sells for $16,000 (TechPowerUp, August 12, 2026). NVIDIA says it isn't discontinued. Here's what allocation arbitrage means for GPU buyers.
8 min readRead guide MARKET ALERTSamsung Locks Up Substrate Capacity: $251M LTA, 6.78 Trillion Won Expansion — The Substrate Lock-Up Buyer's Guide
Samsung Electro-Mechanics signed a $251M substrate LTA for 2027 and is spending 6.78 trillion won on new substrate capacity. The new capacity is years from production on SEMCO's own announced schedule. If you're not in a long-term agreement, you're exposed to a spot market that thins as more capacity gets committed. Here's the playbook.
8 min readRead guide MARKET ALERTApple Plays the China Card on Memory Prices — and the Cited Reports Show No Discount: The Leverage Buyer's Guide
Apple and Tesla are citing Chinese memory (CXMT, YMTC) to pressure Samsung and SK hynix on prices. None of the reports cited here describes a discount from playing it: Chinese supply is constrained, priced at market, and politically fenced. Here's why the "China card" is mostly theater — and what actually gives component buyers leverage in 2026.
8 min readRead guide MARKET ALERTThe MLCC Price Wave: Passives Are the Next Memory — A Buyer's Guide to the 2026 Capacitor Squeeze
MLCC makers have raised prices in round after round through 2026 — Yageo reportedly up to around 50% in one report, SEMCO +30% on one business line from August — and TrendForce estimates a Q4 X5R hike of 25–30% still to come. Here's the full price-wave timeline and what buyers should do before the next round.
8 min readRead guide MARKET ALERTTSMC's 2027 Wafer Hike Is a Floor, Not Your Number: The Foundry Pass-Through Buyer's Guide
TSMC has reportedly finalized 3–6% wafer price increases from January 2027 — this guide's argument is that the range is a floor for budgeting, not your number. With 8-inch capacity tight across the ecosystem, silicon wafer prices rising sharply in reported 2027 agreements, and other foundries reportedly moving the same way, here's how the hike is expected to pass through to your 2027 chip prices, and how to budget for it now.
8 min readRead guide MARKET ALERTRAMageddon Hits India: Shipments Crash 20% to a Decade Low — The Demand-Destruction Buyer's Guide
India's smartphone shipments fell 20% YoY in Q3 2026 to a decade low as record memory prices destroyed the budget segment — sub-₹20,000 shipments crashed 47%. Samsung reclaimed the top spot on what Counterpoint called relatively measured price hikes and proactive management of rising memory costs — our reading is that making its own memory helped it manage those costs. Here's what demand destruction at the price-band level means for component buyers.
8 min readRead guide MARKET ALERTOne Price a Day: Huaqiangbei's GPU Frenzy and the Rumor Premium — A Channel Buyer's Guide
On-the-ground reporting from Huaqiangbei (21st Century Business Herald reporting via ITHome, October 24; National Business Daily's October 25 visit, published October 27) puts RTX 5090 channel quotes at roughly ¥51,000–60,000 depending on merchant and day — about 3.2–4× the reported launch range (a ratio of quote ranges across merchants and months, not a single transaction price) — amid an unconfirmed discontinuation rumor Nvidia denies. Merchants quoted in the reporting describe single-item quotes moving by several hundred yuan within a day, sometimes from one day to the next. These are merchant-reported channel quotes, not independently verified transaction prices. Here's how to buy in a rumor-priced market without paying the panic premium.
8 min readRead guide MARKET ALERTForecasters Date the DRAM Peak to 2028 — The Cycle-Timing Buyer's Guide
Memory stocks sold off sharply in the five days to October 15 — SK hynix fell 26%, Samsung 22% and Micron about 11% (CNBC) — as investors price a 2028–29 glut. Counterpoint forecasts DRAM −23% in 2028 — but still 230% above 2025. The shortage is real now and the peak has a forecast date. Here's how to time contracts against both.
9 min readRead guide MARKET ALERTThe DRAM Roadmap Forks: Micron Rejects 4F², Korea Hedges, CXMT Bets — A Buyer's Guide
Micron unveiled a 10-year DRAM roadmap that excludes 4F² entirely — after more than 20 years of study, it will not commercialise the cell, citing process complexity, higher cost and fundamental scaling limits — while Samsung and SK hynix develop 4F² and 3D DRAM in parallel and CXMT bets its server launch on 4F². Which bet pays off will shape your 2029 memory costs. Here's how buyers should read the fork.
8 min readRead guide MARKET ALERT"Sold Out Through 2029": SK hynix's Record Quarter and the Allocation Era — A Buyer's Guide
SK hynix posted a record Q3 — revenue past 100 trillion won, an 80% operating margin (79.7% unrounded) — and told investors its DRAM and HBM output is effectively sold out through 2029, counting signed long-term agreements plus demand still under negotiation. For conventional memory buyers, allocation is now official policy. Here's what to do about it.
8 min readRead guide MARKET ALERTHelios Is Running at Meta — and AMD Plans to Invest $1 Billion in Meta
AMD's Helios racks are installed and testing at Meta, and AMD will invest $1 billion in Meta's equity offering. Buyers should qualify second platforms early.
5 min readRead guide MARKET ALERTSamsung Confirms It Too: Prices Up 20%, 2027 HBM Sold Out
Samsung's record Q3 came with the call that matters: DRAM prices up 20% on flat shipments, 2027 HBM sold out, and LTAs heading for 60–70% of capacity by 2030.
5 min readRead guide BUYER GUIDEHow to Buy Memory When DRAM and NAND Split
DRAM contract prices set another record in October 2026 while the NAND benchmark went flat after 21 monthly gains. This guide shows how to buy each side.
6 min readRead guide