component
ZTX694B
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
markdownZTX694B
Diodes Incorporated · Bipolar Transistors - BJT · TO-92
ZTX694B 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; VCEO 120 V, VCBO 120 V, continuous IC 0.5 A, peak ICM 1 A. |
| 2 | B | input | Base; emitter-base voltage VEBO max 5 V. |
| 3 | E | passive | Emitter; common terminal of the NPN transistor. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Diodes Incorporated |
| Package | TO-92 |
| 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 | 120 | V | 1 | |||
| Collector-Emitter Voltage | VCEO | 120 | V | 1 | |||
| Emitter-Base Voltage | VEBO | 5 | V | 1 | |||
| Peak Pulse Current | ICM | 1 | A | 1 | |||
| Continuous Collector Current | IC | 0.5 | A | 1 | |||
| Practical Power Dissipation | Ptotp | 1.5 | W | Device mounted on P.C.B. with copper equal to 1 inch square minimum | 1 | ||
| Power Dissipation | Ptot | 1 | W | Tamb=25°C | 1 | ||
| Power Dissipation Derating | Ptot | 5.7 | mW/°C | derate above 25°C | 1 | ||
| Operating and Storage Temperature Range | Tj:Tstg | -55 | 200 | °C | 1 | ||
| Collector-Base Breakdown Voltage | V(BR)CBO | 120 | V | IC=100µA | 1 | ||
| Collector-Emitter Breakdown Voltage | V(BR)CEO | 120 | V | IC=10mA* | 1 | ||
| Emitter-Base Breakdown Voltage | V(BR)EBO | 5 | V | IE=100µA | 1 | ||
| Collector Cut-Off Current | ICBO | 0.1 | µA | VCB=100V | 1 | ||
| Emitter Cut-Off Current | IEBO | 0.1 | µA | VEB=4V | 1 | ||
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.25 | V | IC=100mA, IB=0.5mA* | 1 | ||
| Collector-Emitter Saturation Voltage | VCE(sat) | 0.5 | V | IC=400mA, IB=5mA* | 1 | ||
| Base-Emitter Saturation Voltage | VBE(sat) | 0.9 | V | IC=1A, IB=10mA* | 1 | ||
| Base-Emitter Turn-On Voltage | VBE(on) | 0.9 | V | IC=1A, VCE=2V* | 1 | ||
| Static Forward Current Transfer Ratio | hFE | 500 | IC=100mA, VCE=2V* | 1 | |||
| Static Forward Current Transfer Ratio | hFE | 400 | IC=200mA, VCE=2V* | 1 | |||
| Static Forward Current Transfer Ratio | hFE | 150 | IC=400mA, VCE=2V* | 1 | |||
| Transition Frequency | fT | 130 | MHz | IC=50mA, VCE=5V, f=50MHz | 1 | ||
| Input Capacitance | Cibo | 200 | pF | VEB=0.5V, f=1MHz | 1 | ||
| Output Capacitance | Cobo | 9 | pF | VCB=10V, f=1MHz | 1 | ||
| Turn-On Time | ton | 80 | ns | IC=100mA, IB1=10mA, IB2=10mA, VCC=50V | 1 | ||
| Turn-Off Time | toff | 2900 | ns | IC=100mA, IB1=10mA, IB2=10mA, VCC=50V | 1 | ||
| Thermal Resistance, Junction to Ambient 1 | Rth(j-amb)1 | 175 | °C/W | 1 | |||
| Thermal Resistance, Junction to Ambient 2 | Rth(j-amb)2 | 116 | °C/W | 1 | |||
| Thermal Resistance, Junction to Case | Rth(j-case) | 70 | °C/W | 1 |
CAD (KiCad official)
- Symbol:
ZTX694B - Footprint:
Package_TO_SOT_THT:TO-92_Inline - 3D model: TO-92 (KiCad packages3D, STEP)
- 3D model files:
ztx694b-etched.step/ztx694b-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);ztx694b.step/ztx694b.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Diodes Incorporated datasheet (3 pp, sha256
e734f06b59cf8eaf, retrieved 2026-10-22, tier: manufacturer) - 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).