component
HZ5B1PF
Public Made by Adomby adom
ST(Semtech) Zener Diodes, DO-35. Pinout cross-checked by two models against the datasheet, 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
markdownHZ5B1PF
ST(Semtech) · Zener Diodes · DO-35
HZ5B1PF from ST(Semtech), in a DO-35. 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, marked by the cathode band on the DO-35 glass case; zener voltage VZ is 4.6 V min to 4.8 V max at IZT = 5 mA for HZ5B1PF. |
| 2 | A | passive | Anode terminal of the zener diode; forward voltage is 1 V max at IF = 100 mA. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ST(Semtech) |
| Package | DO-35 |
| 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 | VZ | 4.6 | 4.8 | V | at IZT = 5 mA, Ta = 25℃, tested with pulses tp = 20 ms | 3 | |
| Reverse Leakage Current | IR | 5 | µA | at VR = 1.5 V, Ta = 25℃ | 3 | ||
| Dynamic Resistance | ZZT | 100 | Ω | at IZT = 5 mA, Ta = 25℃ | 3 | ||
| Forward Voltage | VF | 1 | V | at IF = 100 mA, Ta = 25℃ | 3 | ||
| Power Dissipation | Ptot | 500 | mW | Ta = 25℃ | 1 | ||
| Junction Temperature | Tj | 175 | ℃ | Ta = 25℃ | 1 | ||
| Storage Temperature Range | Tstg | -55 | 175 | ℃ | Ta = 25℃ | 1 | |
| Thermal Resistance Junction to Ambient | RθJA | 300 | ℃/W | Valid provided that electrodes are kept at ambient temperature | 1 |
CAD (KiCad official)
- Symbol:
HZ5B1PF - Footprint:
Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal - 3D model: DO-35 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ST(Semtech) datasheet (5 pp, sha256
dea8e423e2307a1e, retrieved 2026-10-23, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text), consensusclaude-sonnet-5-5(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).