# KBT2907AC

**Kodenshi AUK** · Bipolar Transistors - BJT · SOT-23

KBT2907AC from Kodenshi AUK, in a SOT-23. 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 | B | input | Base of the PNP transistor; VEBO max -5 V. |
| 2 | E | passive | Emitter of the PNP transistor; VEBO max -5 V relative to base. |
| 3 | C | passive | Collector of the PNP transistor; VCBO and VCEO -60 V, IC -0.6 A DC (-1.2 A pulse). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Kodenshi AUK |
| Package | SOT-23 |
| 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 voltage | VCBO |  |  | -60 | V | Ta=25 C | 2 |
| Collector-Emitter voltage | VCEO |  |  | -60 | V | Ta=25 C | 2 |
| Emitter-base voltage | VEBO |  |  | -5 | V | Ta=25 C | 2 |
| Collector current (DC) | IC |  |  | -0.6 | A | Ta=25 C | 2 |
| Collector current (Pulse) | ICP |  |  | -1.2 | A | Single pulse, tp=300 us | 2 |
| Collector dissipation | PC |  |  | 350 | mW | Package mounted on 99.5% alumina 10x8x0.6mm | 2 |
| Operating junction temperature range | TJ | -55 |  | 150 | C |  | 2 |
| Storage temperature range | Tstg | -55 |  | 150 | C |  | 2 |
| Collector-Base breakdown voltage | BVCBO | -60 |  |  | V | IC=-10uA, IE=0 | 3 |
| Collector-Emitter breakdown voltage | BVCEO | -60 |  |  | V | IC=-1mA, IB=0 | 3 |
| Emitter-Base breakdown voltage | BVEBO | -5 |  |  | V | IE=-10uA, IC=0 | 3 |
| Collector cut-off current | ICBO |  |  | -20 | nA | VCB=-60V, IE=0 | 3 |
| Collector cut-off current | ICEX |  |  | -50 | nA | VCE=-30V, VEB=-0.5V | 3 |
| DC current gain | hFE | 100 |  |  | - | VCE=-10V, IC=-10mA | 3 |
| Collector-Emitter saturation voltage | VCE(sat) |  |  | -0.4 | V | IC=-150mA, IB=-15mA | 3 |
| Transition frequency | fT | 200 |  |  | MHz | VCE=-5.0V, IC=-20mA, f=100MHz | 3 |
| Collector output capacitance | Cob |  |  | 8 | pF | VCB=-10V, IE=0, f=1MHz | 3 |
| Turn-on time | ton |  |  | 45 | ns | VCC=-30Vdc, IC=-150mAdc, IB1=-15mAdc | 3 |
| Delay time | td |  |  | 10 | ns | VCC=-30Vdc, IC=-150mAdc, IB1=-15mAdc | 3 |
| Rise time | tr |  |  | 40 | ns | VCC=-30Vdc, IC=-150mAdc, IB1=-15mAdc | 3 |
| Turn-off time | toff |  |  | 100 | ns | VCC=-6.0Vdc, IC=-150mAdc, IB1=IB2=-15mAdc | 3 |
| Storage time | ts |  |  | 80 | ns | VCC=-6.0Vdc, IC=-150mAdc, IB1=IB2=-15mAdc | 3 |
| Fall time | tf |  |  | 30 | ns | VCC=-6.0Vdc, IC=-150mAdc, IB1=IB2=-15mAdc | 3 |

## CAD (KiCad official)

- Symbol: `KBT2907AC`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `kbt2907ac-etched.step` / `kbt2907ac-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `kbt2907ac.step` / `kbt2907ac.glb` are the bare package body.

## Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

- **Datasheet:** [Kodenshi AUK datasheet](docs/kbt2907ac-datasheet.pdf) (6 pp, sha256 `f6f3b206ab3cc343`, retrieved 2026-10-22, tier: lcsc)
- **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/kbt2907ac-datasheet.pdf)