UMF28N is a power management circuit with dual transistors 2SA1774 and DTC124XE housed in a UMT package. It features a power switching circuit and compact packaging, which helps to reduce mounting cost and area.
The UMF28N is a dual power‑management transistor offered by ROHM in a UMT6 (SC‑88) package. It integrates two transistors (2SA1774 and DTC124XE) in a single package, reducing mounting cost and board area.
The document lists absolute maximum ratings, electrical characteristics, and typical application circuits. It also includes packaging dimensions, ordering information, and legal notices for use in various electronic equipment.
| Collector‑base voltage (Vcbo) | -60 V |
|---|---|
| Collector‑emitter voltage (Vceo) | -50 V |
| Collector current (Ic) | 150 mA |
| Power dissipation (Po) | 150 mW (total) |
| Junction temperature (Tj) | 150 °C |
| Storage temperature (Tstg) | -55 °C to +150 °C |
| Supply voltage (Veco) | 50 V |
| Input voltage (Vin) | -10 V to +40 V |
| Output current (Io) | 100 mA |
| Package type | UMT6 (SC‑88) |
The UMF28N can handle up to 150 mA of collector current.
It is supplied in a UMT6 (SC‑88) package.
The device is rated for a collector‑base voltage of -60 V.