NRVB130T1G

1N5819 is a Vishay 40 V / 1 A Schottky barrier rectifier in DO-41 — for low-voltage rectification and polarity protection: DC-DC outputs, freewheeling and reverse-battery guards. 0.6 V maximum forward voltage at 1 A is the selection point: roughly half the drop of a 1N4007, which directly cuts heat in 5–12 V supplies. Selection advice: the bare 1N5819 code is the base part — distributors list it as 1N5819-E3/54, where E3 denotes lead-free and 54 the packaging; quote the full code to get the right packing. The onsemi 1N5819RLG is the same 40 V / 1 A DO-41 footprint from a second manufacturer for supply resilience. 25 A surge, −65 °C to +150 °C. Vishay lists this part as Active through distribution. Parameters verified against Vishay documentation and distributor listings. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

SS14 is a surface-mount Schottky barrier rectifier from Vishay in an SMA (DO-214AC) package, for reverse-polarity protection, freewheeling and low-voltage rectification. The Schottky advantage is low forward voltage drop: less power wasted as heat than a standard PN rectifier, which matters in compact power paths and battery-powered devices. Selection advice: confirm the current and reverse-voltage ratings against your circuit before substituting a different Schottky — the SS1x family spans multiple current ratings in the same SMA footprint, and a lower-rated part in the same package is a common failure cause. As a high-volume commodity diode, require lot traceability against remarked stock. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

MBR0520LT1G is an onsemi Schottky power rectifier — 500 mA, 20 V, forward drop maximum 0.385 V at 0.5 A, SOD-123 package, tape and reel, MSL 1. The 0.385 V forward drop is the selection point: one of the lowest-drop Schottkys in SOD-123 — for reverse-polarity protection and OR-ing on low-voltage rails where every millivolt of drop matters. Selection advice: onsemi lists the MBR0520LT1G as Active. The T1G suffix denotes tape and reel — match it to your assembly process. At 500 mA in SOD-123, verify the copper pour under the pads handles the dissipation at your worst-case ambient. Evidence: onsemi data confirms Active, 500 mA, 20 V, 0.385 V VF, SOD-123, tape and reel. Match the full MBR0520LT1G code. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

1N4001 is an onsemi standard rectifier diode — VRRM 50 V, 1 A average rectified current, DO-41 axial package. The 1N400x family is the selection point: the cheapest diode on earth for mains-frequency rectification and reverse-polarity protection — a jellybean part every lab stocks by the thousand. Selection advice: the 1N4001 is the 50 V bottom grade of the 1N4001–1N4007 family (50 V to 1000 V, same DO-41 package) — for mains work always specify the 1N4007 (1000 V); the 1N4001 suits low-voltage rails only. For switching supplies above a few kHz use a fast-recovery type instead — standard recovery overheats at high frequency. onsemi lists the 1N4001 as Active. Evidence: distributor data confirms onsemi 1N4001 Active, 50 V, 1 A, DO-41. Match the full 1N4001 code — siblings look identical. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

1N4148 is the industry-standard high-speed switching diode — 100 V repetitive reverse voltage, 200 mA average forward current, 4 ns reverse recovery — in a DO-35 axial glass package. The 4 ns trr is the selection point: fast enough for megahertz switching, clamping and reverse-polarity steering in signal paths, where a 1N4007’s microsecond-scale recovery would distort or overheat. Selection advice: the bare 1N4148 code is the base part — onsemi ships it as 1N4148-T50A (ammo pack) or 1N4148-T50R (reel), so quote the suffixed code to get the right packing. For SMD boards the electrical equivalents are LL4148 (SOD-80) and 1N4148W (SOD-123), the same die in surface-mount packages. 1N914 is the older JEDEC number most vendors treat as interchangeable, but 1N4148’s leakage specification is tighter — stay with 1N4148 for precision clamping. Active through distribution. Parameters trace to the manufacturer datasheet; state quantity, packing and date-code requirements in your RFQ — we reconfirm the offered lot before quotation and reply within 24 hours.

1N4733A is an onsemi 5.1 V Zener diode, 1 W maximum power dissipation, axial-lead DO-41 (DO-204AL) package — 5.1 V nominal Zener voltage at 49 mA test current, 7 Ω maximum Zener impedance, 10 µA maximum reverse leakage at 1 V, temperature coefficient −0.01 to +0.04 %/°C, color band marking the cathode. The 5.1 V value is the selection point: it is the natural shunt reference and overvoltage clamp for 5 V logic rails — a one-part overvoltage crowbar, reference or transient clamp where a precision IC reference would be overkill. Selection advice: the bare 1N4733A code is the general through-hole form; the -A suffix is ammo pack and -T is tape and reel — match the suffix to your insertion equipment. Note that only the -T50R variant is listed obsolete per PDN PD24582X; the exact code 1N4733A remains Active. onsemi lists 1N4733A as Active. Evidence: onsemi 1N4728A–1N4761A datasheet and distributor listings confirm 5.1 V, 1 W, 49 mA, DO-41 and Active status. Match the full 1N4733A code. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

onsemi lists 1N4742A as Active — a Zener diode, VZ typ 12 V at IZT 21 mA, P max 1 W, axial-lead DO-41 package. The 12 V Zener voltage is the selection point: a simple, robust shunt reference and overvoltage clamp for 12 V rails, gate protection and signal limiting. Selection advice: the 1N47xx family spans 3.3 V to 100 V in the same DO-41 package — a wrong-voltage sibling looks identical, so match the full 1N4742A code. Verify your bias current keeps the diode in breakdown within its 1 W dissipation limit. Parameters verified against the onsemi official product page. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

1N5817 is a JEDEC-registered Schottky rectifier diode — 20 V reverse voltage, 1 A average rectified current, forward drop maximum 0.45 V at 1 A, DO-41 axial package, −65 °C to +125 °C. The low forward drop is the selection point: roughly half the loss of a PN diode at 1 A — the default Schottky for reverse-polarity protection and low-voltage rectification. Selection advice: lifecycle note — onsemi lists its axial 1N5817 variants as Obsolete, but the 1N5817 is a multi-source JEDEC number; for ongoing production specify a current-production 1N5817 from an active manufacturer. Voltage-grade siblings 1N5818 (30 V) and 1N5819 (40 V) share the package — pick the grade that covers your rail with margin, since Schottky leakage rises with voltage and temperature. Evidence: onsemi/Vishay datasheets confirm 20 V, 1 A, 0.45 V VF, DO-41. Match the full order code on your BOM. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

2N2222A is an onsemi NPN silicon small-signal switching transistor — 40 V collector-emitter voltage, 600 mA continuous collector current, DC current gain of 100 to 300 at 150 mA, 250 MHz transition frequency, in TO-92, -55 to +150 °C. The high gain-bandwidth and fast switching are the selection point: the classic general-purpose NPN for signal amplification, fast switching and driver stages in commercial and industrial designs. Selection advice: the PNP complement is the 2N2907A for push-pull pairs; do not confuse the 2N2222 (30 V) with the 2N2222A (40 V) — the A suffix is the higher-voltage grade. The 625 mW dissipation limits continuous high-current use, so size the load or add a driver for power switching. Evidence: onsemi 2N2222A datasheet and distributor listings confirm 40 V, 600 mA, hFE 100-300, 250 MHz and TO-92. Match the full 2N2222A code — the A suffix matters for voltage rating. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

2N3906 is a JEDEC-registered PNP small-signal transistor in TO-92-3 — VCEO minimum 40 V, continuous collector current 0.2 A, hFE 100 to 300, transition frequency minimum 250 MHz, 625 mW dissipation, −55 °C to +150 °C junction. The 2N3906 is the selection point: the default PNP for small-signal switching and amplification — the complement to the 2N3904 NPN — stocked by every distributor for decades. Selection advice: lifecycle note — onsemi lists its 2N3906RLRAG TO-92 variant as Obsolete (last-time buy was 2012), but the 2N3906 is a multi-source JEDEC number; for ongoing production, specify a current-production 2N3906 from an active manufacturer and confirm the exact order code on the BOM rather than the bare JEDEC number. For switching duty check the 70 ns turn-on / 300 ns turn-off times against your frequency. Evidence: DigiKey and distributor data confirm onsemi 2N3906RLRAG Obsolete status and the 40 V / 0.2 A / 250 MHz parameters. Match the full order code on your BOM. State quantity, packing and date-code requirements in your RFQ; we reconfirm the offered lot before quotation and reply within 24 hours.

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