KA4xxx series is NEC's NPN type transistor, with a compact package and built-in resistors, complementary to KN4xxx series.
The KA4xxx family are resistor‑built‑in NPN silicon transistors offered by NEC Electronics. The data sheet provides package dimensions, ordering numbers and a summary of key features such as compact SC‑75 packaging.
Electrical specifications include collector‑base and collector‑emitter voltage limits, current ratings, power dissipation, temperature ranges and typical characteristic curves for various operating conditions.
| Collector‑to‑Base Voltage (Vcb) | 60 V |
|---|---|
| Collector‑to‑Emitter Voltage (Vceo) | 50 V |
| Emitter‑to‑Base Voltage (Vebo) | 5 V |
| Collector Current (DC) | 0.1 A |
| Total Power Dissipation (Pd) | 0.2 W |
| Maximum Junction Temperature (Tj) | 150 °C |
| Storage Temperature Range | -55 to +150 °C |
The maximum collector‑to‑base voltage is 60 V.
The device can dissipate up to 0.2 W.
The transistors are rated for storage from –55 °C to +150 °C.