component
1N5377B
Public Made by Adomby adom
SUNMATE Elec Zener Diodes, DO-15. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdown1N5377B
SUNMATE Elec · Zener Diodes · DO-15
1N5377B from SUNMATE Elec, in a DO-15. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.
Pinout
| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | K | passive | Cathode: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | SUNMATE Elec |
| Package | DO-15 |
| Category | Diodes |
| Pins | 2 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Zener voltage tolerance (suffix B) | VZ | -5 | 5 | % | Suffix B = ±5% tolerance | 2 | |
| Nominal zener voltage | VZ | 91 | V | @ IZT 15 mA | 2 | ||
| Maximum zener impedance | ZZT | 75 | Ω | @ IZT | 2 | ||
| Maximum zener impedance at knee | ZZK | 760 | Ω | @ IZK 1.0 mA | 2 | ||
| Maximum reverse leakage current | IR | 0.5 | μA | @ VR 69.2 V | 2 | ||
| Maximum DC zener current | IZM | 52.5 | mA | 2 | |||
| Maximum forward voltage | VF | 1.2 | V | at IF = 1 A | 1 | ||
| DC power dissipation | PD | 5 | W | at TL; lead temperature at 3/8 in (9.5 mm) from body | 1 | ||
| Maximum thermal resistance junction to ambient | RθJA | 45 | K/W | Junction to ambient air | 1 | ||
| Junction temperature range | TJ | -65 | 200 | °C | 1 | ||
| Storage temperature range | Ts | -65 | 200 | °C | 1 |
CAD (KiCad official)
- Symbol:
1N5377B - Footprint:
Diode_THT:D_DO-15_P12.70mm_Horizontal - 3D model: DO-15 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: SUNMATE Elec datasheet (3 pp, sha256
f7c459458ccc3b4b, retrieved 2026-10-15, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins, primarycathode-band convention(convention), consensusoff(agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish. - CAD: KiCad official libraries (CC-BY-SA 4.0).