component
KTD1304-RTK
Public Made by Adomby adom
KEC Semicon Bipolar (BJT), SOT-23. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
Open in new tab ↗
Loads when you scroll to it. Unloads after 5 minutes in the background.
Symbol & Footprint
Schematic Symbol
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
PCB Footprint
Open full view ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Datasheet
Open in new tab ↗Loads when you scroll to it. Unloads after 5 minutes in the background.
Contents
README
markdownKTD1304-RTK
KEC Semicon · Bipolar (BJT) · SOT-23
KTD1304-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 epitaxial planar NPN transistor, with a rated emitter-base voltage VEBO of 12 V. |
| 2 | BASE | passive | Base terminal of the NPN transistor, with a rated base current IB of 30 mA. |
| 3 | COLLECTOR | passive | Collector terminal of the NPN transistor, with rated collector-base voltage VCBO of 25 V, collector-emitter voltage VCEO of 20 V, and collector current IC of 300 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 | 0.1 | μA | VCB=25V, IE=0 | 1 | ||
| Emitter Cut-off Current | IEBO | 0.1 | μA | VEB=12V, IC=0 | 1 | ||
| DC Current Gain hFE1 (FOR) | hFE1 | 200 | 800 | VCE=2V, IC=4mA | 1 | ||
| DC Current Gain hFE2 (REV) | hFE2 | 20 | VCE=2V, IC=4mA | 1 | |||
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.25 | V | IC=100mA, IB=10mA | 1 | ||
| Base-Emitter Saturation Voltage | VBE(sat) | 1 | V | IC=100mA, IB=10mA | 1 | ||
| Collector-Base Voltage | VCBO | 25 | V | 1 | |||
| Collector-Emitter Voltage | VCEO | 20 | V | 1 | |||
| Emitter-Base Voltage | VEBO | 12 | V | 1 | |||
| Collector Current | IC | 300 | mA | 1 | |||
| Base Current | IB | 30 | mA | 1 | |||
| Collector Power Dissipation | PC | 200 | mW | 1 | |||
| Junction Temperature | Tj | 150 | 1 | ||||
| Storage Temperature Range | Tstg | -55 | 150 | 1 |
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 | PC | Base Current IB 30 mA Collector Power Dissipation PC 200 mW | 1 |
CAD (KiCad official)
- Symbol:
KTD1304-RTK - Footprint:
Package_TO_SOT_SMD:SOT-23 - 3D model: SOT-23 (KiCad packages3D, STEP)
- 3D model files:
ktd1304-rtk-etched.step/ktd1304-rtk-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ktd1304-rtk.step/ktd1304-rtk.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: KEC Semicon datasheet (2 pp, sha256
2ed8f7afe6dee9da, retrieved 2026-10-17, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).