component
1N5355BG
Public Made by Adomby adom
onsemi Zener Diodes, DO-201. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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1N5355BG
onsemi · Zener Diodes · DO-201
1N5355BG from onsemi, in a DO-201. 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, indicated by the polarity band; the zener (reverse) voltage for the 1N5355B is 18 V nominal (17.1 V min to 18.9 V max) at IZT = 65 mA. |
| 2 | A | passive | Anode; the forward voltage is 1.2 V max at IF = 1.0 A. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | DO-201 |
| 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 | 17.1 | 18 | 18.9 | V | @ IZT = 65 mA | 3 |
| Maximum Zener Impedance | ZZT | 2.5 | Ω | @ IZT = 65 mA | 3 | ||
| Maximum Zener Impedance (knee) | ZZK | 75 | Ω | @ IZK = 1 mA | 3 | ||
| Leakage Current | IR | 0.5 | µA | @ VR = 13.7 V | 3 | ||
| Maximum Surge Current | Ir | 5.5 | A | TA = 25°C, 8.3 ms square wave | 3 | ||
| Voltage Regulation | ΔVZ | 0.4 | V | VZ measured at 10% and 50% of IZ max | 3 | ||
| Maximum DC Zener Current | IZM | 264 | mA | TL = 25°C at 3/8 in from body | 3 | ||
| Forward Voltage | VF | 1.2 | V | IF = 1.0 A | 2 | ||
| Zener Voltage Tolerance | -5 | 5 | % | B suffix | 2 | ||
| Max Steady State Power Dissipation | PD | 5 | W | TL = 25°C, Lead Length = 3/8 in | 1 | ||
| Power Derating above 25°C | 40 | mW/°C | Derate above 25°C | 1 | |||
| Operating and Storage Temperature Range | TJ, Tstg | -65 | 200 | °C | Max operating temp for DC is 150°C; 200°C for pulsed low duty cycle or non-repetitive | 1 | |
| Junction-to-Lead Thermal Resistance | θJL | 25 | °C/W | 1 | |||
| Maximum Lead Temperature for Soldering | 260 | °C | 1/16 in from case for 10 seconds | 1 |
CAD (KiCad official)
- Symbol:
1N5355BG - Footprint:
Diode_THT:D_DO-201AD_P15.24mm_Horizontal - 3D model: DO-201 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: onsemi datasheet (9 pp, sha256
dc23f821699c111c, retrieved 2026-10-23, tier: manufacturer) - 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).
# 1N5355BG
**onsemi** · Zener Diodes · DO-201
1N5355BG from onsemi, in a DO-201. 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, indicated by the polarity band; the zener (reverse) voltage for the 1N5355B is 18 V nominal (17.1 V min to 18.9 V max) at IZT = 65 mA. |
| 2 | A | passive | Anode; the forward voltage is 1.2 V max at IF = 1.0 A. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| Package | DO-201 |
| 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 | 17.1 | 18 | 18.9 | V | @ IZT = 65 mA | 3 |
| Maximum Zener Impedance | ZZT | | | 2.5 | Ω | @ IZT = 65 mA | 3 |
| Maximum Zener Impedance (knee) | ZZK | | | 75 | Ω | @ IZK = 1 mA | 3 |
| Leakage Current | IR | | | 0.5 | µA | @ VR = 13.7 V | 3 |
| Maximum Surge Current | Ir | | | 5.5 | A | TA = 25°C, 8.3 ms square wave | 3 |
| Voltage Regulation | ΔVZ | | | 0.4 | V | VZ measured at 10% and 50% of IZ max | 3 |
| Maximum DC Zener Current | IZM | | | 264 | mA | TL = 25°C at 3/8 in from body | 3 |
| Forward Voltage | VF | | | 1.2 | V | IF = 1.0 A | 2 |
| Zener Voltage Tolerance | | -5 | | 5 | % | B suffix | 2 |
| Max Steady State Power Dissipation | PD | | | 5 | W | TL = 25°C, Lead Length = 3/8 in | 1 |
| Power Derating above 25°C | | | | 40 | mW/°C | Derate above 25°C | 1 |
| Operating and Storage Temperature Range | TJ, Tstg | -65 | | 200 | °C | Max operating temp for DC is 150°C; 200°C for pulsed low duty cycle or non-repetitive | 1 |
| Junction-to-Lead Thermal Resistance | θJL | | | 25 | °C/W | | 1 |
| Maximum Lead Temperature for Soldering | | | | 260 | °C | 1/16 in from case for 10 seconds | 1 |
## CAD (KiCad official)
- Symbol: `1N5355BG`
- Footprint: `Diode_THT:D_DO-201AD_P15.24mm_Horizontal`
- 3D model: DO-201 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [onsemi datasheet](https://www.onsemi.com/pdf/datasheet/1n5355b-d.pdf) (9 pp, sha256 `dc23f821699c111c`, retrieved 2026-10-23, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text), consensus `claude-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).
[Datasheet PDF](docs/1n5355bg-datasheet.pdf)