Nexperia USA Inc. PUMD14,115

Overview

PUMD14 from Nexperia is a dual NPN/PNP resistor-equipped transistor (RET) in SOT363 (SC-88) package, featuring integrated 47 kΩ input bias resistors (R1), 50 V V_CEO, 100 mA output current per transistor, and AEC-Q101 qualification for automotive use - deployed as compact logic-level peripheral drivers in space-constrained digital control circuits.

For engineers reviewing the PUMD14 datasheet, PUMD14 pinout, PUMD14 application, or PUMD14 equivalent, this device is selected for low-component-count switching of IC inputs, replacement of discrete BJT pairs in level-shifting interfaces, and high-reliability signal conditioning where thermal derating, built-in biasing, and automotive-grade stress qualification are critical selection criteria.

Technical Context

The PUMD14 integrates two complementary silicon transistors - TR1 (NPN) and TR2 (PNP) - each with a dedicated 47 kΩ base-input resistor (R1) and open R2 configuration, enabling direct TTL/CMOS-compatible drive without external bias networks. Its dual-emitter-grounded topology supports independent switching of pull-up/pull-down paths.

It operates across −65 °C to +150 °C ambient, with per-transistor power dissipation limited to 200 mW (FR4 PCB, 25 °C), and exhibits f_T of 230 MHz (TR1) and 180 MHz (TR2), confirming suitability for medium-speed digital switching rather than RF or analog amplification.

Key Specifications

Pinout & Package

SOT363 (TSSOP6) plastic surface-mount package: 2.1 mm × 1.25 mm × 0.95 mm body, 0.65 mm lead pitch, 6-pin layout with dual GND pins for thermal and noise isolation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual RET applications.

Compared with PUMB14 and PUMH14, the PUMD14 uniquely delivers true complementary drive (NPN+PNP) in one package - enabling single-chip push-pull outputs, bidirectional level translation, and reduced interconnect complexity where polarity diversity is essential.

Availability

PUMD14 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input modules, and medical diagnostic equipment requiring stable component supply and long-term lifecycle assurance.

Supply support for PUMD14 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 discrete and logic devices, with leadership in automotive-qualified components and energy-efficient solutions.

The PUMD14 belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered to replace discrete BJT-resistor combinations in digital interface and peripheral driver applications while meeting stringent automotive and industrial reliability standards.

FAQ

What is the function of R2 in the PUMD14?

R2 is internally open (not connected) in the PUMD14, as confirmed in the datasheet's "Quick reference data" and "Test information" sections. This configuration provides a single-bias-resistor topology optimized for standard logic-level drive, where only R1 sets the base current for each transistor. No external R2 connection is required or supported.

Can PUMD14 be used in linear amplifier mode?

No - the PUMD14 is characterized and qualified exclusively for switching operation. Its datasheet specifies parameters like V_CE(sat), h_FE at switching conditions, and AEC-Q101 stress tests, but omits small-signal gain, noise figure, or linearity metrics required for analog amplification. It lacks design validation for linear bias stability or thermal runaway prevention.

How does the dual-GND pin configuration affect PCB layout?

Pins 1 (GND1) and 4 (GND2) are electrically separate emitter returns for TR1 and TR2, respectively. This allows independent grounding to minimize crosstalk between NPN and PNP switching paths. Layout best practice is to route each GND pin directly to its associated power plane or local decoupling capacitor, avoiding shared traces that could couple switching noise.

Is the 47 kΩ R1 value tight enough for precise current setting?

The R1 tolerance is ±28% (33 kΩ to 61 kΩ), as specified in Table 1 and Table 7. This wide tolerance reflects its role as a convenience resistor for logic interfacing - not precision current setting. For accurate current control, external resistors or current-regulating ICs should be used; the built-in R1 ensures functional operation, not metrological accuracy.