ZTX694B Datasheet & Equivalents
NPN
TO-92
General Purpose
DIODES
VCEO
120V
Ic Max
500mA
Pd Max
1.5W
hFE Gain
400
Quick Reference
The ZTX694B is a NPN bipolar junction transistor in a TO-92 package, manufactured by DIODES. It supports a breakdown voltage of 120V and continuous collector current of 500mA. It is widely used in switching and amplification circuits.
Technical Specifications
| Parameter | Value | Description |
|---|---|---|
| Manufacturer | DIODES | Original Manufacturer |
| Package | TO-92 | Physical mounting |
| Transistor Type | BJT | Bipolar Junction Transistor |
| Category | Single | Configuration |
| Collector-Emitter Voltage (VCEO) | 120V | Max breakdown voltage |
| Collector Current (Ic) | 500mA | Max current handling |
| Power Dissipation (Pd) | 1.5W | Max thermal limit |
| DC Current Gain (hFE) | 400 | Base signal amplification ratio |
| Transition Frequency (fT) | 130MHz | Max operating frequency |
| Saturation Voltage (VCEsat) | 250mV | Voltage drop when fully ON |
| Emitter-Base Voltage (Vebo) | 5V | Max emitter-base breakdown |
| Collector Cutoff Current | 100nA | Leakage current when OFF |
| Operating Temp | -55℃~+200℃ | Safe junction temperature range |
Equivalent Transistors & Alternatives
| Part | Type | Package | VCEO | IC | hFE | Pd | Manufacturer / Datasheet |
|---|---|---|---|---|---|---|---|
| KTC1027-Y-AT/P | NPN | TO-92 | 120V | 800mA | 80 | 1W | KEC 📄 PDF |
| ZTX605 | NPN | TO-92 | 120V | 1A | 2000 | 1W | DIODES 📄 PDF |
| ZTX455 | NPN | TO-92 | 140V | 1A | 100 | 1W | DIODES 📄 PDF |
| ZTX455STZ | NPN | TO-92 | 140V | 1A | 100 | 1W | DIODES 📄 PDF |
| 2N5551 | NPN | TO-92 | 160V | 600mA | 250 | 625mW | DIOTEC 📄 PDF |
| 2N5551 | NPN | TO-92 | 160V | 600mA | 240 | 625mW | HXY MOSFET 📄 PDF |
| 2N5550TFR-HXY | NPN | TO-92 | 160V | 600mA | 200 | 625mW | HXY MOSFET 📄 PDF |
| KSP8099TF-HXY | NPN | TO-92 | 160V | 600mA | 200 | 625mW | HXY MOSFET 📄 PDF |
| NTE194-HXY | NPN | TO-92 | 160V | 600mA | 200 | 625mW | HXY MOSFET 📄 PDF |
| NTE297-HXY | NPN | TO-92 | 160V | 600mA | 200 | 625mW | HXY MOSFET 📄 PDF |
| ZTX694B-HXY | NPN | TO-92 | 160V | 600mA | 200 | 625mW | HXY MOSFET 📄 PDF |
| 2N5551TA | NPN | TO-92 | 160V | 600mA | 80 | 625mW | onsemi 📄 PDF |
| 2N5551TFR | NPN | TO-92 | 160V | 600mA | 80 | 625mW | onsemi 📄 PDF |
| 2N5551 | NPN | TO-92 | 160V | 600mA | 80 | 625mW | ST(Semtech) 📄 PDF |
| 2SC2383-Y | NPN | TO-92 | 160V | 1A | 320 | 700mW | YFW 📄 PDF |
| KSC2383OTA | NPN | TO-92 | 160V | 1A | 60 | 900mW | onsemi 📄 PDF |
| ZTX657STZ | NPN | TO-92 | 300V | 500mA | 50 | 1W | DIODES 📄 PDF |
| KSP42BU | NPN | TO-92 | 300V | 500mA | 40 | 625mW | onsemi 📄 PDF |
| KSP42TA | NPN | TO-92 | 300V | 500mA | 40 | 625mW | onsemi 📄 PDF |
| MPSA42 | NPN | TO-92 | 300V | 500mA | 40 | 1.5W | BLUE ROCKET 📄 PDF |