component
ZTX657STZ
Public Made by Adomby adom
Diodes Incorporated Bipolar Transistors - BJT, TO-92. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownZTX657STZ
Diodes Incorporated · Bipolar Transistors - BJT · TO-92
ZTX657STZ from Diodes Incorporated, in a TO-92. 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 | C | passive | Collector, with VCEO of 300 V, VCBO of 300 V and continuous collector current IC of 0.5 A (peak 1 A) for the ZTX657. |
| 2 | B | passive | Base, with emitter-base voltage VEBO limited to 5 V. |
| 3 | E | passive | Emitter, the common terminal of the NPN transistor, with total power dissipation Ptot of 1 W at Tamb=25°C. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | TO-92 |
| Category | Triode/MOS Tube/Transistor |
| Pins | 3 |
CAD (KiCad official)
- Symbol:
ZTX657STZ - Footprint:
Package_TO_SOT_THT:TO-92_Inline - 3D model: TO-92 (KiCad packages3D, STEP)
- 3D model files:
ztx657stz-etched.step/ztx657stz-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ztx657stz.step/ztx657stz.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (2 pp, sha256
a65b3fc65a622ea3, retrieved 2026-10-27, tier: lcsc) - 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).