1N4934-T
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Diodes Incorporated Diodes - Fast Recovery Rectifiers, DO-41. Unpolarised two-terminal part: the datasheet prints no pin numbers, so pins 1 and 2 follow the library convention, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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README
markdown1N4934-T
Diodes Incorporated · Diodes - Fast Recovery Rectifiers · DO-41
1N4934-T from Diodes Incorporated, 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 | 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 | Diodes Incorporated |
| 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 |
|---|---|---|---|---|---|---|---|
| Peak Repetitive Reverse Voltage | VRRM | 100 | V | 1 | |||
| Working Peak Reverse Voltage | VRWM | 100 | V | 1 | |||
| DC Blocking Voltage | VR | 100 | V | Note 7: short duration pulse test | 1 | ||
| RMS Reverse Voltage | VR(RMS) | 70 | V | 1 | |||
| Average Rectified Output Current | IO | 1 | A | @ TA = +75C; leads at ambient 9.5mm from case (Note 4) | 1 | ||
| Non-Repetitive Peak Forward Surge Current | IFSM | 30 | A | 8.3ms single half sine-wave superimposed on rated load | 1 | ||
| Forward Voltage Drop | VFM | 1.2 | V | @ IF = 1.0A | 1 | ||
| Peak Reverse Current | IRM | 5 | A | @ TA = +25C, at rated DC blocking voltage (Note 7) | 1 | ||
| Peak Reverse Current | IRM | 100 | A | @ TA = +100C, at rated DC blocking voltage (Note 7) | 1 | ||
| Reverse Recovery Time | tRR | 200 | ns | Note 6: IF = 0.5A, IR = 1A, Irr = 0.25A | 1 | ||
| Typical Thermal Resistance Junction to Ambient | RJA | 100 | °C/W | 1 | |||
| Operating and Storage Temperature Range | TJ, TSTG | -65 | 150 | C | 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 |
|---|---|---|---|---|
| contacts | tin | Terminals: Finish - Bright Tin. Plated Leads Solderable per MILSTD-202, Method 208 Polarity: Cathode Band | 1 |
CAD (KiCad official)
- Symbol:
1N4934-T - 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: Diodes Incorporated datasheet (3 pp, sha256
767587c6c78c6558, retrieved 2026-10-21, tier: manufacturer) - 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).