# 2SB1198SC-R

**PJSEMI** · Bipolar (BJT) · SOT-23-3

2SB1198SC-R from PJSEMI, in a 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 | Base | input | Base terminal of the PNP transistor, with the datasheet giving an absolute maximum emitter-base voltage of -VEBO 5 V. |
| 2 | Emitter | passive | Emitter terminal of the PNP transistor, with the datasheet giving an absolute maximum collector-emitter voltage of -VCEO 80 V and emitter-base voltage of -VEBO 5 V. |
| 3 | Collector | passive | Collector terminal of the PNP transistor, with the datasheet giving an absolute maximum collector-base voltage of -VCBO 80 V and collector current of -IC 500 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PJSEMI |
| Package | SOT-23-3 |
| Category | Transistors/Thyristors |
| 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 |
|---|---|---|---|---|---|---|---|
| DC Current Gain (Gain Group R) | HFE | 180 |  | 390 |  | at VCE = -3 V, IC = -100 mA | 2 |
| Collector Base Cutoff Current | -ICBO |  |  | 500 | nA | at VCB = -50 V | 2 |
| Collector Emitter Cutoff Current | -ICEO |  |  | 5 | μA | at VCE = -64 V | 2 |
| Emitter Base Cutoff Current | -IEBO |  |  | 500 | nA | at VEB = -4 V | 2 |
| Collector Base Breakdown Voltage | -V(BR)CBO | 80 |  |  | V | at IC = -50 μA | 2 |
| Collector Emitter Breakdown Voltage | -V(BR)CEO | 80 |  |  | V | at IC = -2 mA | 2 |
| Emitter Base Breakdown Voltage | -V(BR)EBO | 5 |  |  | V | at IE = -50 μA | 2 |
| Collector Emitter Saturation Voltage | -VCE(sat) |  |  | 0.5 | V | at IC = -500 mA, IB = -50 mA | 2 |
| Base Emitter Saturation Voltage | -VBE(sat) |  |  | 1.2 | V | at IC = -500 mA, IB = -50 mA | 2 |
| Collector Base Voltage | -VCBO |  |  | 80 | V |  | 1 |
| Collector Emitter Voltage | -VCEO |  |  | 80 | V |  | 1 |
| Emitter Base Voltage | -VEBO |  |  | 5 | V |  | 1 |
| Collector Current | -IC |  |  | 500 | mA |  | 1 |
| Maximum Power Dissipation | PD |  |  | 200 | mW |  | 1 |
| Junction Temperature | TJ |  |  | 150 | ℃ |  | 1 |
| Storage Temperature Range | TSTG | -55 |  | 150 | ℃ |  | 1 |

## CAD (KiCad official)

- Symbol: `2SB1198SC-R`
- Footprint: `Package_TO_SOT_SMD:SOT-23-3`
- 3D model: SOT-23-3 (KiCad packages3D, STEP)
- 3D model files: `2sb1198sc-r-etched.step` / `2sb1198sc-r-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `2sb1198sc-r.step` / `2sb1198sc-r.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PJSEMI datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8603387070698577920) (6 pp, sha256 `5b4b8b83418e27c3`, retrieved 2026-10-19, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-haiku-5-5` (text), consensus `claude-sonnet-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/2sb1198sc-r-datasheet.pdf)