IMT4 is a dual transistor from ROHM, which uses AMT package and has high breakdown voltage.
The IMT4 is a general‑purpose dual transistor that contains two 2SA1514K chips in an AMT (SMT6/SC‑74/SOT‑457) package and offers a high breakdown voltage. The document lists package dimensions, marking codes, and an equivalent circuit for design reference.
Electrical data include absolute maximum ratings, typical and maximum values for collector‑base, collector‑emitter, and emitter‑base voltages, collector current, power dissipation, and temperature limits. Characteristic curves for output, gain, transition frequency, and capacitances are provided, along with usage notes and export control information. This manual is written in Chinese.
| Transition frequency (fT) typical | 140 MHz |
|---|---|
| Current gain (hFE) typical range | 180 – 820 |
The typical transition frequency is 140 MHz at VCE = −6 V and IE = 2 mA.