component
HER203
Public Made by Adomby adom
NH Fast Recovery/High Efficiency Diode, 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.
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HER203
NH · Fast Recovery/High Efficiency Diode · DO-15
HER203 from NH, 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 | NH |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum repetitive peak reverse voltage | V RRM | 200 | V | 1 | |||
| Maximum RMS voltage | V RMS | 140 | V | 1 | |||
| Maximum DC blocking voltage | V DC | 200 | V | 1 | |||
| Maximum average forward rectified current | IF (AV) | 2 | A | see fig.1 | 1 | ||
| Peak forward surge current | I FSM | 60 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL) | 1 | ||
| Maximum instantaneous forward voltage | VF | 1.7 | V | at 2.0 A (Note 1) | 1 | ||
| Maximum instantaneous reverse current | I RRM | 5 | uA | TA=25℃, at rated DC blocking voltage (Note 2) | 1 | ||
| Maximum instantaneous reverse current | I RRM | 100 | uA | TA=100℃, at rated DC blocking voltage (Note 2) | 1 | ||
| Operating junction temperature range | T J | -55 | 150 | ℃ | 1 | ||
| Storage temperature range | T STG | -55 | 150 | ℃ | 1 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | PET | PLASTIC HIGH-EFFICIENCY RECTIFIERS Fig.5-MAX. NON-REPETITIVE SURGE CURRENT Fig.6-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT | 2 |
CAD (KiCad official)
- Symbol:
HER203 - 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: NH datasheet (5 pp, sha256
8d29b97f8075f474, retrieved 2026-10-21, 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).
# HER203
**NH** · Fast Recovery/High Efficiency Diode · DO-15
HER203 from NH, 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 | NH |
| 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 |
|---|---|---|---|---|---|---|---|
| Maximum repetitive peak reverse voltage | V RRM | | | 200 | V | | 1 |
| Maximum RMS voltage | V RMS | | | 140 | V | | 1 |
| Maximum DC blocking voltage | V DC | | | 200 | V | | 1 |
| Maximum average forward rectified current | IF (AV) | | | 2 | A | see fig.1 | 1 |
| Peak forward surge current | I FSM | | | 60 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method at rated TL) | 1 |
| Maximum instantaneous forward voltage | VF | | | 1.7 | V | at 2.0 A (Note 1) | 1 |
| Maximum instantaneous reverse current | I RRM | | | 5 | uA | TA=25℃, at rated DC blocking voltage (Note 2) | 1 |
| Maximum instantaneous reverse current | I RRM | | | 100 | uA | TA=100℃, at rated DC blocking voltage (Note 2) | 1 |
| Operating junction temperature range | T J | -55 | | 150 | ℃ | | 1 |
| Storage temperature range | T STG | -55 | | 150 | ℃ | | 1 |
## Materials and finish
As the datasheet states them (page.json `metadata.appearance`; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | PET | | PLASTIC HIGH-EFFICIENCY RECTIFIERS Fig.5-MAX. NON-REPETITIVE SURGE CURRENT Fig.6-REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT | 2 |
## CAD (KiCad official)
- Symbol: `HER203`
- 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:** [NH datasheet](docs/her203-datasheet.pdf) (5 pp, sha256 `8d29b97f8075f474`, retrieved 2026-10-21, 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/her203-datasheet.pdf)