The PUMB11 is a PNP transistor from Philips Semiconductors that has built-in bias resistors R1 and R2 (typical 10 kΩ each) that eliminate the need for external resistors, simplifying circuit design and reducing component count and board space. It is particularly suitable for space reduction in interface and driver circuits, and for inverter circuit configurations that do not require external resistors.
The Philips PUMB11 is a PNP resistor-equipped double transistor housed in an SC-88 (SOT363) plastic package. It features two transistors with built-in bias resistors (R1 and R2, typically 10 kΩ each), eliminating the need for external resistors and reducing board space. The device is particularly suitable for interface and driver circuits, as well as inverter circuit configurations.
| Package Type | SC-88 (SOT363) |
|---|---|
| Collector-Base Voltage (VCBO) | 50 V |
| Collector-Emitter Voltage (VCEO) | 50 V |
| Emitter-Base Voltage (VEBO) | 10 V |
| Output Current (DC) | 100 mA |
| Total Power Dissipation (Per Transistor) | 200 mW |
| Total Power Dissipation (Per Device) | 300 mW |
| Input Resistor (R1) | 10 kΩ (Typical) |
| Thermal Resistance (Junction to Ambient) | 416 K/W |
They simplify circuit design and reduce the number of components and board space.
The typical value for both R1 and R2 is 10 kΩ.
The maximum collector-emitter voltage (VCEO) is 50 V.
The maximum DC output current is 100 mA.