component
2SA1037AKT146Q
Public Made by Adomby adom
ROHM Semicon Bipolar Transistors - BJT, TO-236-3(SOT-23-3). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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2SA1037AKT146Q
ROHM Semicon · Bipolar Transistors - BJT · TO-236-3(SOT-23-3)
2SA1037AKT146Q from ROHM Semicon, in a TO-236-3(SOT-23-3). 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 | Emitter | passive | Emitter terminal of the PNP transistor; VEBO rating is -6 V. |
| 2 | Base | passive | Base terminal of the PNP transistor; emitter-base voltage limited to -6 V and collector-base voltage to -60 V. |
| 3 | Collector | passive | Collector terminal; VCEO -50 V, continuous IC -150 mA (ICP -200 mA at 1 ms single pulse). |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | TO-236-3(SOT-23-3) |
| Category | Transistors |
| Pins | 3 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Collector-base breakdown voltage | BVCBO | -60 | V | IC = -50μA | 2 | ||
| Collector-emitter breakdown voltage | BVCEO | -50 | V | IC = -1mA | 2 | ||
| Emitter-base breakdown voltage | BVEBO | -6 | V | IE = -50μA | 2 | ||
| Collector cut-off current | ICBO | -100 | nA | VCB = -60V | 2 | ||
| Emitter cut-off current | IEBO | -100 | nA | VEB = -6V | 2 | ||
| Collector-emitter saturation voltage | VCE(sat) | -500 | mV | IC = -50mA, IB = -5mA | 2 | ||
| DC current gain | hFE | 120 | 390 | - | VCE = -6V, IC = -1mA | 2 | |
| Output capacitance | Cob | 4 | 5 | pF | VCB = -12V, IE = 0A, f = 1MHz | 2 | |
| Collector-base voltage | VCBO | -60 | V | 2 | |||
| Collector-emitter voltage | VCEO | -50 | V | 2 | |||
| Emitter-base voltage | VEBO | -6 | V | 2 | |||
| Collector current | IC | -150 | mA | 2 | |||
| Collector current (pulse) | ICP | -200 | mA | Pw=1ms, Single Pulse | 2 | ||
| Power dissipation (2SA1037AK) | PD | 200 | mW | Each terminal mounted on a reference land | 2 | ||
| Junction temperature | Tj | 150 | ℃ | 2 | |||
| Range of storage temperature | Tstg | -55 | 150 | ℃ | 2 |
CAD (KiCad official)
- Symbol:
2SA1037AKT146Q - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
- 3D model files:
2sa1037akt146q-etched.step/2sa1037akt146q-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);2sa1037akt146q.step/2sa1037akt146q.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: ROHM Semicon datasheet (15 pp, sha256
ab1344a75ab1ce3f, retrieved 2026-10-31, tier: manufacturer) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-sonnet-5-5(text+vision), consensusclaude-opus-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).
# 2SA1037AKT146Q
**ROHM Semicon** · Bipolar Transistors - BJT · TO-236-3(SOT-23-3)
2SA1037AKT146Q from ROHM Semicon, in a TO-236-3(SOT-23-3). 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 | Emitter | passive | Emitter terminal of the PNP transistor; VEBO rating is -6 V. |
| 2 | Base | passive | Base terminal of the PNP transistor; emitter-base voltage limited to -6 V and collector-base voltage to -60 V. |
| 3 | Collector | passive | Collector terminal; VCEO -50 V, continuous IC -150 mA (ICP -200 mA at 1 ms single pulse). |
## Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | ROHM Semicon |
| Package | TO-236-3(SOT-23-3) |
| Category | Transistors |
| Pins | 3 |
## Electrical characteristics
Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Collector-base breakdown voltage | BVCBO | -60 | | | V | IC = -50μA | 2 |
| Collector-emitter breakdown voltage | BVCEO | -50 | | | V | IC = -1mA | 2 |
| Emitter-base breakdown voltage | BVEBO | -6 | | | V | IE = -50μA | 2 |
| Collector cut-off current | ICBO | | | -100 | nA | VCB = -60V | 2 |
| Emitter cut-off current | IEBO | | | -100 | nA | VEB = -6V | 2 |
| Collector-emitter saturation voltage | VCE(sat) | | | -500 | mV | IC = -50mA, IB = -5mA | 2 |
| DC current gain | hFE | 120 | | 390 | - | VCE = -6V, IC = -1mA | 2 |
| Output capacitance | Cob | | 4 | 5 | pF | VCB = -12V, IE = 0A, f = 1MHz | 2 |
| Collector-base voltage | VCBO | | | -60 | V | | 2 |
| Collector-emitter voltage | VCEO | | | -50 | V | | 2 |
| Emitter-base voltage | VEBO | | | -6 | V | | 2 |
| Collector current | IC | | | -150 | mA | | 2 |
| Collector current (pulse) | ICP | | | -200 | mA | Pw=1ms, Single Pulse | 2 |
| Power dissipation (2SA1037AK) | PD | | | 200 | mW | Each terminal mounted on a reference land | 2 |
| Junction temperature | Tj | | | 150 | ℃ | | 2 |
| Range of storage temperature | Tstg | -55 | | 150 | ℃ | | 2 |
## CAD (KiCad official)
- Symbol: `2SA1037AKT146Q`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: TO-236-3(SOT-23-3) (KiCad packages3D, STEP)
- 3D model files: `2sa1037akt146q-etched.step` / `2sa1037akt146q-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sa1037akt146q.step` / `2sa1037akt146q.glb` are the bare package body.
## Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- **Datasheet:** [ROHM Semicon datasheet](docs/2sa1037akt146q-datasheet.pdf) (15 pp, sha256 `ab1344a75ab1ce3f`, retrieved 2026-10-31, tier: manufacturer)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-5-5` (text+vision), consensus `claude-opus-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/2sa1037akt146q-datasheet.pdf)