component
US1MH
Public Made by Adomby adom
DIYI Elec Tech Diodes - Fast Recovery Rectifiers, SMA. 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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PCB Footprint
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Datasheet
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README
markdownUS1MH
DIYI Elec Tech · Diodes - Fast Recovery Rectifiers · SMA
US1MH from DIYI Elec Tech, in a SMA. 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 | DIYI Elec Tech |
| Package | SMA |
| 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 | 1000 | V | 1 | ||||
| Maximum RMS Voltage | VRMS | 700 | V | 1 | |||
| Maximum DC Blocking Voltage | VDC | 1000 | V | 1 | |||
| Average Rectified Output Current | I(AV) | 1 | A | 1 | |||
| Forward Voltage | VFM | 1.7 | V | @IF=1.0A | 1 | ||
| Peak Reverse Current | IR | 5 | uA | At Rated DC Blocking Voltage | 1 | ||
| Peak Reverse Current | IR | 75 | uA | At Rated DC Blocking Voltage | 1 | ||
| Maximum Reverse Recovery Time | Trr | 50 | ns | IF=0.5A,IR=1.0A,IRR=0.25A | 1 | ||
| Rating for fusing | I t | 3.74 | A s 2 | t<8.3ms | 1 | ||
| TJ Operating and Storage Temperature Range | TJ, TSTG | -55 | 150 | ℃ | 1 |
CAD (KiCad official)
- Symbol:
US1MH - Footprint:
Diode_SMD:D_SMA - 3D model: SMA (KiCad packages3D, STEP)
- 3D model files:
us1mh-etched.step/us1mh-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);us1mh.step/us1mh.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: DIYI Elec Tech datasheet (3 pp, sha256
d94e86ff76f27366, 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).