Nexperia USA Inc. PUMH20,115

Overview

PUMH20 from Nexperia is an AEC-Q101-qualified NPN/NPN resistor-equipped double transistor (RET) in SOT363-3 (SC-88) package, featuring integrated 2.2 kΩ input bias resistors (R1 = R2) per transistor, 50 V V_CEO, and 100 mA output current-designed for space-constrained digital interface buffering and low-current peripheral driving in automotive control modules.

For engineers reviewing the PUMH20 datasheet, PUMH20 pinout, PUMH20 application, or PUMH20 equivalent, this device serves as a validated dual-transistor logic-level translator with built-in biasing, reducing external component count and simplifying PCB layout for I/O expansion and microcontroller GPIO conditioning.

Technical Context

The PUMH20 integrates two independent NPN transistors, each with matched on-chip base bias resistors (R1 = R2 = 2.2 kΩ, ±30% tolerance), enabling direct TTL/CMOS-compatible switching without external pull-up or base resistors. Its R2/R1 ratio of 0.8–1.2 ensures stable saturation behavior across temperature.

Each transistor operates with V_CEO = 50 V, V_EBO = 10 V, and I_O = 100 mA, supporting robust digital signal inversion and level shifting in 3.3 V/5 V mixed-voltage systems. Thermal resistance is 416 K/W (per device, FR4 PCB), supporting continuous operation up to T_j = 150 °C.

Key Specifications

Pinout & Package

SOT363-3 (SC-88/TSSOP6) surface-mount plastic package: 2.2 mm × 1.35 mm footprint, 0.65 mm pitch, 0.95 mm max height, designed for reflow soldering with standard 0.5 mm pad width and 2.65 mm × 2.35 mm solder land pattern.

Key Features

Applications

Equivalent & Alternatives

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

Compared with PUMD20 and EMH20, the PUMH20 uniquely delivers dual-NPN symmetry with automotive qualification and guaranteed 50 V/100 mA operation-making it the only option for AEC-compliant dual-sink logic buffering in space-constrained modules.

Availability

PUMH20 is available at Aetrix Electronics and suitable for automotive body control modules, industrial PLC I/O expansion, consumer IoT sensor hubs, and medical diagnostic equipment interfaces requiring stable component supply and long-lifecycle support.

Supply support for PUMH20 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 specializing in high-performance, energy-efficient logic, discrete, and MOSFET devices, with manufacturing rooted in process innovation and automotive-grade reliability.

The PUMH20 belongs to Nexperia's Resistor-Equipped Transistor (RET) product line, engineered to replace discrete transistor-resistor combinations in digital interface circuits-reducing size, cost, and assembly complexity in automotive and industrial control systems.

FAQ

Is PUMH20 pin-compatible with PUMD20?

No. PUMH20 (NPN/NPN) and PUMD20 (NPN/PNP) share the same SOT363-3 package and pin numbering, but their internal transistor polarities differ. Swapping them causes incorrect switching behavior-e.g., PUMD20's PNP channel cannot sink current like PUMH20's second NPN. Always verify polarity in schematic capture.

What is the maximum ambient temperature for continuous operation?

The PUMH20 supports continuous operation up to +150 °C ambient temperature when mounted on FR4 PCB with single-sided copper, provided total device power dissipation remains ≤300 mW. Derating begins above 25 °C per the 416 K/W thermal resistance curve in Figure 1.

Can PUMH20 drive a 5 V relay coil directly?

Yes-if the relay coil draws ≤100 mA and has DC resistance ≥50 Ω (ensuring V_CE stays below 50 V). The 150 mV V_CE(sat) guarantees minimal voltage drop, preserving coil energization. Verify coil inrush current does not exceed 100 mA peak, and include flyback diode protection.

Does PUMH20 require external decoupling capacitors?

No. As a discrete transistor array without internal regulators or oscillators, PUMH20 has no power-supply noise sensitivity requiring local decoupling. However, placing a 100 nF ceramic capacitor near the PCB's main 5 V rail improves overall system noise immunity for adjacent analog or RF circuits.