component
1N4736A
Public Made by Adomby adom
Nexperia Zener Diodes, DO-41. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
main
1N4736A
Nexperia · Zener Diodes · DO-41
1N4736A from Nexperia, in a DO-41. 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 | cathode | passive | Cathode terminal of the voltage regulator diode, identified by the marking band on the glass body. |
| 2 | anode | passive | Anode terminal of the voltage regulator diode, shown as 'a' on the graphic symbol. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | DO-41 |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward current | IF | 500 | mA | 2 | |||
| Total power dissipation | Ptot | 1000 | mW | Tamb = 50 °C | 2 | ||
| Junction temperature | Tj | -65 | 200 | °C | 2 | ||
| Storage temperature | Tstg | -65 | 200 | °C | 2 | ||
| Thermal resistance from junction to tie-point | Rth(j-t) | 110 | K/W | lead length 4 mm | 3 | ||
| Forward voltage | VF | 1.2 | V | IF = 200 mA | 3 | ||
| Working voltage tolerance (series) | VZ | -5 | 5 | % | 1 | ||
| Differential resistance | rdif | 3.5 | Ω | at Itest = 37 mA | 4 | ||
| Differential resistance | rdif | 700 | Ω | at IZ = 1 mA | 4 | ||
| Reverse current | IR | 10 | µA | VR = 4 V; Tj = 25 °C | 4 | ||
| Working current | IZ | 133 | mA | Tj = 25 °C | 4 | ||
| Non-repetitive peak reverse current | IZSM | 660 | mA | half sine wave 1/120 s superimposed on Itest | 4 | ||
| Working voltage (nominal) | VZ | 6.8 | V | Itest = 37 mA; measured in clips 10 mm from body, still air at 25 °C | 4 | ||
| Test current | Itest | 37 | mA | 4 |
CAD (KiCad official)
- Symbol:
1N4736A - Footprint:
Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal - 3D model: DO-41 (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (10 pp, sha256
65bff8381f8f1f77, retrieved 2026-10-16, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-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).
# 1N4736A
**Nexperia** · Zener Diodes · DO-41
1N4736A from Nexperia, in a DO-41. 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 | cathode | passive | Cathode terminal of the voltage regulator diode, identified by the marking band on the glass body. |
| 2 | anode | passive | Anode terminal of the voltage regulator diode, shown as 'a' on the graphic symbol. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | DO-41 |
| 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 |
|---|---|---|---|---|---|---|---|
| Forward current | IF | | | 500 | mA | | 2 |
| Total power dissipation | Ptot | | | 1000 | mW | Tamb = 50 °C | 2 |
| Junction temperature | Tj | -65 | | 200 | °C | | 2 |
| Storage temperature | Tstg | -65 | | 200 | °C | | 2 |
| Thermal resistance from junction to tie-point | Rth(j-t) | | | 110 | K/W | lead length 4 mm | 3 |
| Forward voltage | VF | | | 1.2 | V | IF = 200 mA | 3 |
| Working voltage tolerance (series) | VZ | -5 | | 5 | % | | 1 |
| Differential resistance | rdif | | | 3.5 | Ω | at Itest = 37 mA | 4 |
| Differential resistance | rdif | | | 700 | Ω | at IZ = 1 mA | 4 |
| Reverse current | IR | | | 10 | µA | VR = 4 V; Tj = 25 °C | 4 |
| Working current | IZ | | | 133 | mA | Tj = 25 °C | 4 |
| Non-repetitive peak reverse current | IZSM | | | 660 | mA | half sine wave 1/120 s superimposed on Itest | 4 |
| Working voltage (nominal) | VZ | | 6.8 | | V | Itest = 37 mA; measured in clips 10 mm from body, still air at 25 °C | 4 |
| Test current | Itest | | 37 | | mA | | 4 |
## CAD (KiCad official)
- Symbol: `1N4736A`
- Footprint: `Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal`
- 3D model: DO-41 (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Nexperia datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8588895554675871744) (10 pp, sha256 `65bff8381f8f1f77`, retrieved 2026-10-16, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-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/1n4736a-datasheet.pdf)