The KN4400 and KN4401 are epitaxial planar NPN transistors intended for general‑purpose and switching applications. The data sheet provides maximum ratings, electrical characteristics, and typical performance curves.
Key specifications include a collector‑base breakdown voltage of 60 V, collector‑emitter voltage of 127 V, collector current up to 600 mA, and a junction temperature rating of 150 °C. Additional parameters such as frequency response (up to 100 MHz) and output capacitance (≈6 pF) are also listed.
| Collector‑Base Voltage (Vcbo) | 60 V |
|---|---|
| Collector Current (Ic) | 600 mA |
| Collector Power Dissipation (Pc) | 625 mW |
| Junction Temperature (Tj) | 150 °C |
| Storage Temperature Range | -55 °C to 150 °C |
| Maximum Frequency | 100 MHz |
| Collector Output Capacitance | ≈6 pF |
The maximum collector current is 600 mA.
The collector‑base breakdown voltage is 60 V.
It can be stored from –55 °C up to 150 °C.
The transistor is rated for frequencies up to 100 MHz.