This is a transistor with two resistors integrated, which can simplify circuit design, reduce board space and reduce the number of components.
The MUN2111T1 series is a PNP silicon surface‑mount transistor with an integrated bias resistor network, designed to replace a discrete transistor and external bias resistors. It is housed in an SC‑59 package for low‑power surface‑mount applications and offers reduced board space and component count.
The document provides maximum ratings, detailed electrical characteristics, recommended PCB footprint, soldering guidelines, and package dimensions, helping designers select and implement the device in their circuits.
| Collector‑Base Voltage (V CBO) | 50 V |
|---|---|
| Collector‑Emitter Voltage (V CEO) | 50 V |
| Collector Current (I C) | 100 mA |
| Total Power Dissipation (P P) | 200 mW |
| Thermal Resistance Junction‑to‑Ambient (R eJA) | 625 °C/W |
| Operating Temperature Range | -65 to +150 °C |
| Maximum Soldering Temperature (T L) | 260 °C |
The device is rated for a maximum collector current of 100 mA.
The transistor is housed in an SC‑59 surface‑mount package.
Soldering temperature should not exceed 260 °C for more than 10 seconds.