Nexperia USA Inc. PUMB13-QX

Overview

PUMB13-Q from Nexperia is a PNP/PNP resistor-equipped double transistor (RET) in SOT363-3 (SC-88) package, featuring integrated bias resistors R1 = 4.7 kΩ and R2 = 47 kΩ, −50 V V_CEO, −100 mA I_O, and AEC-Q101 qualification for automotive use - deployed as compact logic-level interface drivers in space-constrained control circuits.

For engineers reviewing the PUMB13-Q datasheet, PUMB13-Q pinout, PUMB13-Q application, or PUMB13-Q equivalent, this page delivers verified electrical parameters, validated dual-transistor circuit role, thermal derating data, and automotive-grade reliability context - critical for digital input control, peripheral driver replacement, and BOM simplification in embedded automotive modules.

Technical Context

This dual PNP RET integrates two matched PNP transistors with on-chip base bias networks (R1 = 4.7 kΩ, R2/R1 = 10 typ), enabling direct TTL/CMOS-level input drive without external resistors. Each transistor operates with open-base V_CEO = −50 V and supports −100 mA continuous output current under T_amb ≤ 25 °C.

The device uses a common-emitter configuration per channel, with independent inputs (I1, I2) and outputs (O1, O2), grounded emitters (GND1, GND2), and no internal interconnection between transistor sections - allowing fully independent switching control of two loads with shared ground reference.

Key Specifications

Pinout & Package

SOT363-3 (TSSOP6) plastic surface-mounted package: 1.3 mm × 2.2 mm footprint, 0.65 mm pitch, 0.95 mm max height, designed for reflow soldering on FR4 PCBs with standard 0.5 mm solder pads.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual PNP resistor-equipped transistor applications.

Compared with PUMD13-Q and PUMH13-Q, PUMB13-Q uniquely supports dual independent PNP sinking channels with −50 V blocking and AEC-Q101 compliance - making it the sole option for compact, qualified dual high-side switch emulation in 12/24 V automotive domains.

Availability

PUMB13-Q is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input stages, consumer appliance UI control, and medical diagnostic status indication requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for PUMB13-Q includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Nexperia is a global semiconductor expert focused on high-volume, high-reliability essential semiconductors - delivering discrete, logic, and MOSFET solutions optimized for automotive, industrial, and mobile applications.

PUMB13-Q belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered to replace discrete transistor-resistor combinations in digital interface and load-driving applications where space, reliability, and qualification are critical.

FAQ

What is the maximum allowable junction temperature for continuous operation?

The PUMB13-Q has a maximum junction temperature (T_j) of 150 °C, validated per AEC-Q101 stress testing. Operation above this limit risks permanent degradation of h_FE and increased leakage. Derating begins at T_amb > 25 °C per the 417 K/W per-device R_th(j-a) curve - full 300 mW rating applies only at 25 °C ambient on standard FR4 PCB.

Can PUMB13-Q be used in high-frequency switching applications?

No - the device is optimized for DC and low-frequency digital switching (≤100 kHz). Its f_T is 180 MHz typical but measured at I_C = −10 mA and V_CE = −5 V; practical switching speed is limited by R1/R2 time constants and V_CE(sat) recovery. For >1 MHz operation, discrete transistors with lower C_c (3 pF) and faster V_BE turn-off are recommended.

Is there any internal connection between the two transistors' bias networks?

No - the R1 and R2 resistors are physically and electrically isolated per transistor channel. Pin 2 (I1) connects only to TR1's base via its dedicated R1/R2 network, and Pin 5 (I2) connects only to TR2's base via an identical, independent network. This enables true independent control without crosstalk or shared bias dependency.

How does the R2/R1 ratio affect switching behavior?

The R2/R1 ratio (8–12, typ 10) sets the internal feedback factor that stabilizes the transistor's operating point against β variation and temperature drift. A higher ratio increases base current shunting, improving saturation consistency but slightly raising input threshold voltage - critical for reliable turn-on across −40 °C to +150 °C automotive temperature ranges.