PUMB4 is a PNP double transistor produced by Philips. It has a built-in bias resistor R1 and no mutual interference between transistors. It can simplify circuit design, reduce components and board space.
The document describes the Philips PUMB4, a discrete semiconductor component consisting of two PNP transistors with built-in bias resistors. This design simplifies circuit applications such as interface and driver circuits by reducing external components and board space.
Key features include no mutual interference between the internal transistors and suitability for inverter configurations without external resistors. The device is housed in a plastic surface-mounted package (SOT363/SC-88) with six leads.
| Package Type | SC-88 plastic package (SOT363) |
|---|---|
| Built-in Resistor Value | 10 kΩ typical |
| Collector-Base Voltage | -50 V maximum |
| Output Current (DC) | -100 mA maximum |
| Total Power Dissipation | 200 mW per transistor |
| Storage Temperature | -65 to +150 °C |
The PUMB4 is a PNP resistor-equipped double transistor in an SC-88 plastic package, especially suitable for space reduction in interface and driver circuits.
The device contains a built-in bias resistor with a typical value of 10 kΩ.
The maximum total power dissipation per device is 300 mW when the ambient temperature is below 25 °C.