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ER504_AY_000101
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PANJIT International Fast Recovery / High Efficiency Diodes, DO-201AD. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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ER504_AY_000101
PANJIT International · Fast Recovery / High Efficiency Diodes · DO-201AD
ER504_AY_000101 from PANJIT International, in a DO-201AD. 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 axial lead at the color-band end of the DO-201AD body; the rectifier conducts up to 5.0 A average forward current when this end is negative relative to the anode. |
| 2 | A | passive | Anode, the axial lead at the end opposite the color band; the device blocks reverse voltage (50 to 600 V depending on ER500-ER506 type) when this end is negative relative to the cathode. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | DO-201AD |
| 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 Recurrent Peak Reverse Voltage | VRRM | 400 | V | 1 | |||
| Maximum DC Blocking Voltage | VDC | 400 | V | 1 | |||
| Maximum Average Forward Current | IF(AV) | 5 | A | .375"(9.5mm) lead length at TL=55°C | 1 | ||
| Peak Forward Surge Current | IFSM | 150 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | 1 | ||
| Typical Junction Resistance | RθJA | 20 | °C/W | Junction to ambient, .375"(9.5mm) lead length P.C.B. mounted | 1 | ||
| Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | °C | 1 |
CAD (KiCad official)
- Symbol:
ER504_AY_000101 - Footprint:
Diode_THT:D_DO-201AD_P15.24mm_Horizontal - 3D model: DO-201AD (KiCad packages3D, STEP)
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: PANJIT International datasheet (4 pp, sha256
c44433feab95b755, retrieved 2026-10-22, 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).
# ER504_AY_000101
**PANJIT International** · Fast Recovery / High Efficiency Diodes · DO-201AD
ER504_AY_000101 from PANJIT International, in a DO-201AD. 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 axial lead at the color-band end of the DO-201AD body; the rectifier conducts up to 5.0 A average forward current when this end is negative relative to the anode. |
| 2 | A | passive | Anode, the axial lead at the end opposite the color band; the device blocks reverse voltage (50 to 600 V depending on ER500-ER506 type) when this end is negative relative to the cathode. |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | PANJIT International |
| Package | DO-201AD |
| 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 Recurrent Peak Reverse Voltage | VRRM | | | 400 | V | | 1 |
| Maximum DC Blocking Voltage | VDC | | | 400 | V | | 1 |
| Maximum Average Forward Current | IF(AV) | | | 5 | A | .375"(9.5mm) lead length at TL=55°C | 1 |
| Peak Forward Surge Current | IFSM | | | 150 | A | 8.3ms single half sine-wave superimposed on rated load (JEDEC method) | 1 |
| Typical Junction Resistance | RθJA | | 20 | | °C/W | Junction to ambient, .375"(9.5mm) lead length P.C.B. mounted | 1 |
| Operating and Storage Temperature Range | TJ, TSTG | -55 | | 150 | °C | | 1 |
## CAD (KiCad official)
- Symbol: `ER504_AY_000101`
- Footprint: `Diode_THT:D_DO-201AD_P15.24mm_Horizontal`
- 3D model: DO-201AD (KiCad packages3D, STEP)
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [PANJIT International datasheet](docs/er504-ay-000101-datasheet.pdf) (4 pp, sha256 `c44433feab95b755`, retrieved 2026-10-22, tier: lcsc)
- **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/er504-ay-000101-datasheet.pdf)