component
1N459A
Public Made by Adomby adom
onsemi Diodes - General Purpose, DO-35. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
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1N459A
onsemi · Diodes - General Purpose · DO-35
1N459A from onsemi, 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum Repetitive Reverse Voltage | VRRM | 200 | V | 1 | |||
| Average Rectified Forward Current | IF(AV) | 500 | mA | 1 | |||
| Non-repetitive Peak Forward Surge Current | IFSM | 1 | A | Pulse Width = 1.0 second | 1 | ||
| Non-repetitive Peak Forward Surge Current | IFSM | 4 | A | Pulse Width = 1.0 microsecond | 1 | ||
| Storage Temperature Range | TSTG | -65 | 200 | °C | 1 | ||
| Operating Junction Temperature | TJ | 175 | °C | 1 | |||
| Power Dissipation | PD | 500 | mW | 1 | |||
| Thermal Resistance, Junction to Ambient | RθJA | 300 | °C/W | 1 | |||
| Breakdown Voltage | VR | 200 | V | IR = 100µA | 1 | ||
| Forward Voltage | VF | 1 | V | IF = 3mA | 1 | ||
| Reverse Leakage | IR | 5 | µA | VR = 175V, TA = 150°C | 1 | ||
| Total Capacitance | CT | 6 | pF | VR = 0, f = 1.0MHz | 1 |
CAD (KiCad official)
- Symbol:
1N459A - 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: onsemi datasheet (2 pp, sha256
694dc485424f1235, 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).
# 1N459A
**onsemi** · Diodes - General Purpose · DO-35
1N459A from onsemi, 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: the banded/marked end per the datasheet; pad 1 of the KiCad diode footprint. |
| 2 | A | passive | Anode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | onsemi |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum Repetitive Reverse Voltage | VRRM | | | 200 | V | | 1 |
| Average Rectified Forward Current | IF(AV) | | | 500 | mA | | 1 |
| Non-repetitive Peak Forward Surge Current | IFSM | | | 1 | A | Pulse Width = 1.0 second | 1 |
| Non-repetitive Peak Forward Surge Current | IFSM | | | 4 | A | Pulse Width = 1.0 microsecond | 1 |
| Storage Temperature Range | TSTG | -65 | | 200 | °C | | 1 |
| Operating Junction Temperature | TJ | | | 175 | °C | | 1 |
| Power Dissipation | PD | | | 500 | mW | | 1 |
| Thermal Resistance, Junction to Ambient | RθJA | | | 300 | °C/W | | 1 |
| Breakdown Voltage | VR | 200 | | | V | IR = 100µA | 1 |
| Forward Voltage | VF | | | 1 | V | IF = 3mA | 1 |
| Reverse Leakage | IR | | | 5 | µA | VR = 175V, TA = 150°C | 1 |
| Total Capacitance | CT | | | 6 | pF | VR = 0, f = 1.0MHz | 1 |
## CAD (KiCad official)
- Symbol: `1N459A`
- 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:** [onsemi datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589991227710992384) (2 pp, sha256 `694dc485424f1235`, retrieved 2026-10-15, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins`, primary `cathode-band convention` (convention), consensus `off` (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/1n459a-datasheet.pdf)