Nexperia USA Inc. NHUMD3F

Overview

NHUMD3 from Nexperia is an AEC-Q101-qualified resistor-equipped double transistor (RET) in SOT363 (SC-88) package, integrating one NPN and one PNP silicon transistor with built-in 10 kΩ base resistors (R1 = R2 = 10 kΩ). It delivers 100 mA output current per transistor, supports 80 V collector-emitter breakdown voltage, and operates across −55 °C to +150 °C ambient range - used for digital logic interfacing and load switching in automotive body control modules.

For engineers reviewing the NHUMD3 datasheet, NHUMD3 pinout, NHUMD3 application, or NHUMD3 equivalent, this page provides verified pin functions, thermal resistance data (Rth(j-a) = 358 K/W per device), DC current gain (hFE = 50 min at IC = 10 mA), VI(on)/VI(off) thresholds, and validated alternatives to BC846/BC856 discrete pairs in space-constrained PCB layouts.

Technical Context

The NHUMD3 integrates complementary NPN and PNP transistors on a single die with monolithically embedded bias resistors - eliminating external base resistors required by discrete BC846/BC856 pairs. Its dual-transistor topology enables push-pull or level-shifting configurations without inter-device matching drift.

Each transistor features independent emitter-grounded configuration (GND1 and GND2 pins), with input (I1/I2) and output (O1/O2) terminals routed to dedicated pins. The built-in R1/R2 network sets fixed base current paths, enabling direct microcontroller GPIO drive without additional passive components.

Key Specifications

Pinout & Package

SOT363 (SC-88) 6-pin 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 defined solder paste stencil (0.5 mm × 0.5 mm pads, 0.6 mm spacing).

Key Features

Applications

Equivalent & Alternatives

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

Compared with BC846/BC856 discrete pairs, NHUMD3 reduces bill-of-materials and layout complexity while maintaining AEC-Q101 compliance; versus NHUMD2, it offers lower VI(on) for reliable 3.3 V logic compatibility at the expense of slightly reduced noise immunity.

Availability

NHUMD3 is available at Aetrix Electronics and suitable for automotive body electronics, industrial programmable logic controllers, consumer appliance control boards, and medical diagnostic equipment requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for NHUMD3 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 essential efficiency technologies, delivering high-performance, reliable discrete and logic devices for automotive, industrial, and consumer markets.

NHUMD3 belongs to Nexperia's Resistor-Equipped Transistor (RET) family - engineered specifically to replace discrete BJT pairs in digital switching applications where space, reliability, and AEC-Q101 compliance are critical.

FAQ

What is the maximum allowable junction temperature for NHUMD3?

The absolute maximum junction temperature (T_j) is 150 °C, as specified in Table 6 (Limiting Values). This rating applies under continuous DC operation with proper PCB thermal design - e.g., FR4 board with single-sided 1 oz copper and standard SOT363 footprint. Derating begins above 25 °C ambient per Fig. 1's 350 mW total power dissipation curve.

Can NHUMD3 replace BC846 and BC856 in existing designs without layout changes?

No - NHUMD3 uses SOT363 (6-pin) packaging while BC846/BC856 are typically in SOT23 (3-pin) packages. Direct replacement requires PCB redesign to accommodate the 6-pin footprint and revised routing for GND1/GND2 separation and complementary I/O assignment. However, it eliminates four external resistors and improves thermal coupling between transistors.

How does the built-in resistor ratio affect switching performance?

The R2/R1 ratio is fixed at 1.0 for NHUMD3 (10 kΩ/10 kΩ), ensuring matched base drive strength for both NPN and PNP transistors. This symmetry enables balanced rise/fall times in push-pull configurations and prevents shoot-through during transitions - unlike discrete pairs where resistor tolerance mismatches can cause timing skew.

Is NHUMD3 suitable for linear amplifier applications?

No - NHUMD3 is optimized for saturated switching, not linear operation. Its datasheet specifies parameters only under switching conditions (e.g., V_CEsat, h_FE at I_C = 10 mA), with no small-signal gain (h_fe) or frequency response data provided for analog use. The integrated resistors also prevent bias point adjustment required for Class-A or AB amplifiers.