Infineon Technologies BC847PNH6433XTMA1

Overview

BC847PNH6433XTMA1 from Nexperia is a dual NPN/PNP silicon small-signal transistor array in SOT363 (SC74) package, configured as galvanically isolated complementary pair for AF input and driver stages. It delivers h_FE = 200–450 at I_C = 2 mA, V_CE = 5 V; V_CEO = 45 V (NPN), 65 V (PNP); and V_CE(sat) ≤ 300 mV at I_C = 10 mA, I_B = 0.5 mA.

For engineers reviewing the BC847PNH6433XTMA1 datasheet, BC847PNH6433XTMA1 pinout, BC847PNH6433XTMA1 application, or BC847PNH6433XTMA1 equivalent, key selection criteria include complementary pairing in one package, AEC-Q101 qualification for automotive use, low V_CE(sat), high h_FE consistency, and thermal resistance R_thJS ≤ 140 K/W.

Technical Context

This device integrates two electrically isolated transistors - one NPN (BC847PN) and one PNP (BC846PN) - sharing no internal connection, enabling push-pull, phase-splitter, or complementary switching topologies without external isolation. Its design supports linear amplification and digital switching with matched gain and saturation characteristics across both elements.

The transistor pair operates within a junction temperature range of −65 °C to 150 °C, with maximum power dissipation of 250 mW at T_S ≤ 115 °C. Thermal performance is characterized by R_thJS ≤ 140 K/W, and it meets AEC-Q101 stress testing requirements for automotive under-hood applications.

Key Specifications

Pinout & Package

SOT363 (SC74) 6-pin plastic surface-mount package with gull-wing leads, 0.65 mm pitch, and moisture sensitivity level (MSL) 1. Pin 1 marked with dot or bevel; lead finish is 100% matte tin.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar complementary transistor array applications.

Compared with BC847BPN,115, BC847PNH6433XTMA1 offers identical electrical behavior and AEC-Q101 qualification but with distinct reel packaging and traceability marking. MBT3904DW1T1G lacks the PNP transistor entirely, limiting its use to non-complementary topologies and requiring redesign for true replacement.

Availability

BC847PNH6433XTMA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and portable audio front-end designs requiring stable component supply, AEC-Q101 compliance, and space-constrained dual-transistor integration.

Supply support for BC847PNH6433XTMA1 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 efficient manufacturing.

BC847PNH6433XTMA1 belongs to Nexperia's BC846/BC847PN family of AEC-Q101-qualified complementary transistor arrays designed specifically for automotive signal conditioning, driver stages, and space-sensitive dual-polarity switching applications.

FAQ

What is the pin 1 orientation for BC847PNH6433XTMA1 in tape-and-reel packaging?

Pin 1 is identified by a dot or beveled edge on the package body. In SOT363 tape-and-reel, pin 1 is located at the leftmost position of the front row when the component faces upward with markings visible; orientation is not fixed in reel for symmetric types, so visual verification is required during placement.

Does BC847PNH6433XTMA1 support 5 V logic-level drive directly?

Yes - with V_BE(ON) = 580–820 mV at I_C = 2–10 mA, the NPN and PNP bases can be driven directly from 5 V microcontroller GPIOs using appropriate base resistors (e.g., 10 kΩ for ~0.5 mA base current), ensuring full saturation without level-shifting circuitry.

How does the galvanic isolation benefit circuit layout?

Galvanic isolation eliminates shared substrate or internal traces between NPN and PNP elements, allowing independent ground referencing, separate thermal paths, and elimination of latch-up risk in mixed-polarity bias networks - critical for noise-sensitive analog and safety-critical automotive domains.

Is BC847PNH6433XTMA1 suitable for Class AB audio output stages?

It is appropriate for low-power Class AB driver stages (≤100 mW output), given its f_T = 250 MHz, low distortion at I_C = 10 mA, and matched h_FE. However, it is not rated for speaker-level power delivery; use is limited to pre-driver or line-level buffering where thermal limits and voltage headroom align with 45/65 V V_CEO.