CH340E

CH340C is a WCH CH340C USB-to-serial UART bridge in 16-pin SOP — USB 2.0 full-speed device, hardware full-duplex UART from 50 bps to 2 Mbps, with built-in crystal (no external crystal needed), -20 to +70 °C. The SOP-16 package with full modem signals is the selection point: RTS, DTR, DCD, RI, DSR and CTS for hardware flow control, unlike the smaller MSOP-10 CH340E which exposes fewer signals. Selection advice: choose CH340C over CH340G when you want to drop the 12 MHz crystal and its capacitors from the BOM — same SOP-16 footprint, fewer parts. Software-compatible with CH340G/CH341 drivers, and the 5 V / 3.3 V supply support suits both logic levels. Ideal for development boards, MCU programming interfaces and legacy serial upgrades. Evidence: WCH CH340 datasheet and distributor listings confirm built-in crystal, 50 bps-2 Mbps, SOP-16 and USB 2.0 full speed. Match the full CH340C code. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

ASM3142 is an ASMedia USB 3.1 Gen 2 xHCI host controller in QFN-64 — for adding 10 Gbps USB ports via PCI Express: bridges PCIe Gen3 x2 to two USB 3.1 Gen 2 ports, 10 Gbps per port with Multiple INs, integrated PCIe/USB PHYs, in-box OS driver support. It gives motherboards, add-in cards and embedded platforms a two-port SuperSpeed+ upgrade without a chipset change, and the integrated PHYs cut the external component count versus discrete solutions. Selection advice: firmware loads from an external SPI ROM — include the ROM footprint even if unused at first; for a single-port or Gen1-only design the ASM1142 is the lower-cost sibling. Ranked #3 on the Chuangxin Index March 2026 inventory-growth list (16,345 units, +9,989.51% MoM). Parameters verified against ASMedia documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

ADM2483BRWZ is an Analog Devices iCoupler isolated RS-485/RS-422 transceiver in wide-body SOIC-16, tube — for isolated serial links in industrial automation, motor control and data acquisition. 2500 VRMS magnetic isolation with 500 kbps half-duplex RS-485 is the selection point: signal isolation without optocouplers. Selection advice: the BRWZ suffix denotes the 16-lead wide-body SOIC in tube packing — for tape and reel, check the REEL-suffixed code. Important distinction from the ADM2587EBRWZ-REEL7 on this site: the ADM2483 does not integrate isolated power — you must provide an isolated supply for the bus side, while the ADM2587 includes isoPower and needs none. 3 V or 5 V operation; −40 °C to +85 °C. ADI lists this part as Active through distribution. Parameters verified against distributor and manufacturer documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

ADM2587EBRWZ-REEL7 is an Analog Devices isoPower isolated RS-485/RS-422 transceiver in 20-lead wide-body SOIC, tape and reel — for isolated field buses where board space is tight: one chip replaces the transceiver plus the isolated DC-DC module. Integrated isolated power with 2500 VRMS signal isolation and 500 kbps is the selection point: no external isolated supply needed, unlike the ADM2483BRWZ on this site. Selection advice: the REEL7 suffix denotes tape and reel on a 7-inch reel — for tube packing, check the non-REEL ordering code. ±15 kV ESD and up to 256 nodes on one bus suit long multipoint lines. 3.3 V or 5 V operation; −40 °C to +85 °C. ADI lists this part as Active through distribution. Parameters verified against distributor and manufacturer documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

ADUM1201ARZ is an Analog Devices ADuM1201 dual-channel digital isolator in 8-lead narrow-body SOIC — 1/1 channel direction configuration, 1 Mbps data rate, 2500 Vrms isolation, 2.7 to 5.5 V supplies with 3 V/5 V level translation, tube packing (ARZ; ARZ-RL7 is the reel version), -40 to +105 °C. The 1/1 direction is the selection point: one channel each way for full-duplex signals like UART Tx/Rx or single-wire buses, using iCoupler magnetic coupling instead of LEDs — no optocoupler aging and 25 kV/µs transient immunity. Selection advice: for two channels in the same direction choose ADuM1200, not ADuM1201; match the ARZ code for tube packing. For SPI or high-speed data isolation choose a higher-rate iCoupler grade. Analog Devices lists this code as Active. Evidence: ADuM1200/ADuM1201 datasheet and DigiKey listings confirm 1 Mbps, 1/1 direction, 2500 Vrms, 8-SOIC tube packing and -40 to +105 °C. Match the full ADUM1201ARZ code for direction and packing. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

ADUM1201ARZ-RL7 is an Analog Devices iCoupler dual-channel digital isolator in SOIC-8, tape and reel — for isolating high-speed logic signals: SPI lines, UART and general-purpose data across ground domains. 2500 VRMS magnetic isolation with 1 Mbps and 25 kV per microsecond transient immunity is the selection point: optocoupler-free isolation in an 8-pin package. Selection advice: the RL7 suffix denotes tape and reel on a 7-inch reel — for tube packing, check the non-RL7 ordering code. Both channels run the same direction (1/1) — for opposite-direction pairs such as TX plus RX, the ADUM1201 is not the part; check the channel-direction code in the ADUM120x family before ordering. 2.7 V to 5.5 V on each side allows mixed-voltage isolation; −40 °C to +105 °C. ADI lists this part as Active through distribution. Parameters verified against distributor and manufacturer documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

CP2102N-A02-GQFN24 is a Silicon Labs USB 2.0 full-speed to UART bridge in QFN-24, tube — for service ports, console interfaces and USB-to-serial cables on embedded boards. 3 Mbps UART with integrated USB transceiver and clock is the selection point: USB connectivity with minimal external components. Selection advice: the GQFN24 suffix denotes the 24-pin QFN package in tube packing — for tape and reel, check the TR-suffixed ordering code. The A02 code denotes the device revision — match it if your firmware was qualified against a specific revision. Against the FTDI FT232RL on this site: the CP2102N is the cost-optimized Silicon Labs alternative with a smaller QFN footprint; the FT232R adds bit-bang modes and an internal EEPROM for custom descriptors. 3.0 V to 3.6 V supply, −40 °C to +85 °C. Parameters verified against distributor and manufacturer documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

DP83848IVVX/NOPB is a Texas Instruments DP83848I industrial-temperature 10/100 Mbps Ethernet PHY transceiver — 48-pin LQFP (7 × 7 mm), MII/RMII/SNI MAC interfaces, auto-MDIX, energy-detect mode, JTAG, 3.3 V, tape-and-reel packing of 1000, -40 to +85 °C. The industrial temperature range is the selection point: the I grade covers factory automation and outdoor equipment where commercial-grade PHYs fail, with auto-MDIX eliminating crossover-cable concerns. Selection advice: this is a PHY only — it needs an external MAC (MCU or switch) and a magnetics module. The V suffix is the 48-LQFP package; NOPB is the lead-free RoHS variant. For Gigabit Ethernet choose a different PHY family, since this is strictly 10/100. TI lists this code as Active. Evidence: TI DP83848I datasheet and distributor listings confirm 10/100 Mbps PHY, 48-LQFP, MII/RMII, -40 to +85 °C and 1000/reel packing. Match the full DP83848IVVX/NOPB code for temperature grade and package. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

DP83867ERGZR is a Texas Instruments 10/100/1000BASE-T Gigabit Ethernet PHY in 48-pin VQFN (7x7mm) — for industrial Ethernet nodes where deterministic latency and diagnostics matter: PLCs, machine vision cameras and grid automation. RGMII and SGMII MAC interfaces, IEEE 1588 start-of-frame detection for time-sensitive networking, cable diagnostics, and 8kV IEC 61000-4-2 ESD protection. Selection advice: the E variant covers -40 to +105°C — for commercial 0 to +70°C the CS code costs less, and the IR code targets -40 to +85°C industrial; for 10/100 Mbps only the DP83848 on this site is the economical choice. 457mW full-power draw suits fanless enclosures. Parameters verified against TI documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

DP83TC812RRHARQ1 is a Texas Instruments AEC-Q100 Grade 1 100BASE-T1 automotive Ethernet PHY in 36-pin VQFN (6x6mm) — for zonal E/E architectures replacing CAN with Ethernet: zone controllers, ADAS sensor fusion and infotainment backbones. IEEE 802.3bw compliant, TC-10 sleep/wake under 20µA, integrated low-pass filter passing Level IV emissions, and MII/RMII/RGMII MAC interfaces with 1.8V/2.5V/3.3V I/O. Heat evidence: automotive Ethernet is the fastest-growing in-vehicle networking segment — OEMs are shifting from domain to zonal architectures, and 100BASE-T1 is the volume PHY for camera/radar links. Selection advice: the R variant includes RGMII — for SGMII-only designs the S variant costs less; the integrated LPF eliminates external magnetics filtering. AEC-Q100 Grade 1 (-40 to +125°C) with ±8kV IEC ESD on MDI pins. Parameters verified against Texas Instruments documentation. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.