# KTC9015S-C-RTK

**KEC Semicon** · Bipolar (BJT) · SOT-23

KTC9015S-C-RTK from KEC Semicon, 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 | EMITTER | passive | Emitter terminal of the PNP transistor, with emitter current IE rated at 150 mA maximum in the absolute maximum ratings. |
| 2 | BASE | passive | Base terminal of the PNP transistor, with emitter-base voltage VEBO rated at -5 V in the absolute maximum ratings. |
| 3 | COLLECTOR | passive | Collector terminal of the PNP transistor, with collector-base voltage VCBO and collector-emitter voltage VCEO each rated at -50 V and collector current IC rated at -150 mA. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | KEC Semicon |
| Package | SOT-23 |
| 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 |
|---|---|---|---|---|---|---|---|
| Collector Cut-off Current | ICBO |  |  | -50 | nA | VCB=-50V, IE=0 | 1 |
| Emitter Cut-off Current | IEBO |  |  | -100 | nA | VEB=-5V, IC=0 | 1 |
| DC Current Gain | hFE | 100 |  | 600 |  | VCE=-5V, IC=-1mA | 1 |
| Collector-Emitter Saturation Voltage | VCE(sat) |  | -0.1 | -0.3 | V | IC=-100mA, IB=-10mA | 1 |
| Transition Frequency | fT | 60 |  |  | MHz | VCE=-10V, IC=-1mA, f=100MHz | 1 |
| Collector Output Capacitance | Cob |  | 4 | 7 | pF | VCB=-10V, IE=0, f=1MHz | 1 |
| Noise Figure | NF |  | 1 | 10 | dB | VCE=-6V, IC=-0.1mA, Rg=10k, f=1kHz | 1 |
| Collector-Base Voltage | VCBO |  |  | -50 | V |  | 1 |
| Collector-Emitter Voltage | VCEO |  |  | -50 | V |  | 1 |
| Emitter-Base Voltage | VEBO |  |  | -5 | V |  | 1 |
| Collector Current | IC |  |  | -150 | mA |  | 1 |
| Emitter Current | IE |  |  | 150 | mA |  | 1 |
| Collector Power Dissipation | PC |  |  | 350 | mW | Package mounted on 99.5% Alumina (10×8×0.6) | 1 |
| Junction Temperature | Tj |  |  | 150 | °C |  | 1 |
| Storage Temperature Range | Tstg | -55 |  | 150 | °C |  | 1 |

## CAD (KiCad official)

- Symbol: `KTC9015S-C-RTK`
- Footprint: `Package_TO_SOT_SMD:SOT-23`
- 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files: `ktc9015s-c-rtk-etched.step` / `ktc9015s-c-rtk-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `ktc9015s-c-rtk.step` / `ktc9015s-c-rtk.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [KEC Semicon datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8586179863577841664) (2 pp, sha256 `39b558ad2c469094`, 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/ktc9015s-c-rtk-datasheet.pdf)