component
H1MQ
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Yangzhou Yangjie Elec Tech Fast Recovery / High Efficiency Diodes, SOD-123. 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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H1MQ
Yangzhou Yangjie Elec Tech · Fast Recovery / High Efficiency Diodes · SOD-123
H1MQ from Yangzhou Yangjie Elec Tech, in a SOD-123. 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 | Yangzhou Yangjie Elec Tech |
| Package | SOD-123 |
| 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 | VRRM | 1000 | V | Ta=25℃ | 1 | ||
| Average rectified output current | IO | 1 | A | @60Hz Half-sine wave, Resistance load, TL (Fig.1) | 1 | ||
| Forward Surge Current (Non-repetitive) | IFSM | 30 | A | @60Hz Half-sine wave,1 cycle, TJ=25℃ | 1 | ||
| Storage temperature | Tstg | -55 | 150 | ℃ | 1 | ||
| Junction temperature | TJ | -55 | 150 | ℃ | 1 | ||
| Maximum instantaneous forward voltage | VF | 1.7 | V | IF=1.0A | 1 | ||
| Maximum reverse recovery time | TRR | 75 | ns | IF =0.5A，IR =1.0A, Irr =0.25A | 1 | ||
| Maximum DC reverse current | IR | 5 | μA | VRM=VRRM, TJ =25℃ | 1 | ||
| Maximum DC reverse current | IR | 100 | μA | VRM=VRRM, TJ =125℃ | 1 | ||
| Typical junction capacitance | CJ | 7 | pF | VR=4V,f=1Mhz | 1 | ||
| Typical Thermal resistance junction to ambient | RθJ-A | 85 | ℃/W | mounted on P.C.B with 3mm*3mm copper pad areas | 2 | ||
| Typical Thermal resistance junction to lead | RθJ-L | 35 | ℃/W | mounted on P.C.B with 3mm*3mm copper pad areas | 2 |
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 | black | 3. Body color: Black | 3 | |
| contacts | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
CAD (KiCad official)
- Symbol:
H1MQ - Footprint:
Diode_SMD:D_SOD-123F - 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files:
h1mq-etched.step/h1mq-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);h1mq.step/h1mq.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Yangzhou Yangjie Elec Tech datasheet (5 pp, sha256
4bc2dfcdef116431, retrieved 2026-10-23, 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).
# H1MQ
**Yangzhou Yangjie Elec Tech** · Fast Recovery / High Efficiency Diodes · SOD-123
H1MQ from Yangzhou Yangjie Elec Tech, in a SOD-123. 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 | Yangzhou Yangjie Elec Tech |
| Package | SOD-123 |
| 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 | VRRM | | | 1000 | V | Ta=25℃ | 1 |
| Average rectified output current | IO | | | 1 | A | @60Hz Half-sine wave, Resistance load, TL (Fig.1) | 1 |
| Forward Surge Current (Non-repetitive) | IFSM | | | 30 | A | @60Hz Half-sine wave,1 cycle, TJ=25℃ | 1 |
| Storage temperature | Tstg | -55 | | 150 | ℃ | | 1 |
| Junction temperature | TJ | -55 | | 150 | ℃ | | 1 |
| Maximum instantaneous forward voltage | VF | | | 1.7 | V | IF=1.0A | 1 |
| Maximum reverse recovery time | TRR | | | 75 | ns | IF =0.5A，IR =1.0A, Irr =0.25A | 1 |
| Maximum DC reverse current | IR | | | 5 | μA | VRM=VRRM, TJ =25℃ | 1 |
| Maximum DC reverse current | IR | | | 100 | μA | VRM=VRRM, TJ =125℃ | 1 |
| Typical junction capacitance | CJ | | 7 | | pF | VR=4V,f=1Mhz | 1 |
| Typical Thermal resistance junction to ambient | RθJ-A | | 85 | | ℃/W | mounted on P.C.B with 3mm*3mm copper pad areas | 2 |
| Typical Thermal resistance junction to lead | RθJ-L | | 35 | | ℃/W | mounted on P.C.B with 3mm*3mm copper pad areas | 2 |
## 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 | | black | 3. Body color: Black | 3 |
| contacts | | tin | ● Terminals: Tin plated leads, solderable per J-STD-002 and JESD22-B102 | 1 |
## CAD (KiCad official)
- Symbol: `H1MQ`
- Footprint: `Diode_SMD:D_SOD-123F`
- 3D model: SOD-123 (KiCad packages3D, STEP)
- 3D model files: `h1mq-etched.step` / `h1mq-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `h1mq.step` / `h1mq.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [Yangzhou Yangjie Elec Tech datasheet](docs/h1mq-datasheet.pdf) (5 pp, sha256 `4bc2dfcdef116431`, retrieved 2026-10-23, 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/h1mq-datasheet.pdf)