Infineon Technologies BCR148SH6327XTSA1

Overview

BCR148SH6327XTSA1 from Infineon Technologies is an NPN silicon digital transistor with integrated bias resistors (R1 = R2 = 47 kΩ), designed for switching, inverting, and interface driver functions in automotive and industrial control circuits. It features V_CEO = 50 V, I_C = 100 mA, V_CE(sat) ≤ 0.3 V at I_C = 10 mA/I_B = 0.5 mA, and AEC-Q101 qualification.

For engineers reviewing the BCR148SH6327XTSA1 datasheet, BCR148SH6327XTSA1 pinout, BCR148SH6327XTSA1 application, or BCR148SH6327XTSA1 equivalent, key selection criteria include input threshold voltages (V_i(on) = 1–3 V, V_i(off) = 0.8–1.5 V), dual-transistor matching in SOT363, thermal resistance R_thJS ≤ 140 K/W, and RoHS-compliant packaging.

Technical Context

This device integrates two isolated NPN transistors with matched characteristics in a single SOT363 package, enabling compact dual-channel logic-level switching without external bias networks. Its built-in R1/R2 = 1 ± 10% resistor ratio ensures consistent turn-on/turn-off behavior across temperature (−40 °C to 125 °C) and process variation.

The transistor operates in common-emitter configuration with f_T = 100 MHz and C_cb = 3 pF, supporting high-speed digital interfacing up to ~10 MHz edge rates. Junction temperature is rated to 150 °C, with derated power dissipation (P_tot = 250 mW at T_S ≤ 115 °C) optimized for surface-mount thermal management.

Key Specifications

Pinout & Package

BCR148SH6327XTSA1 is housed in a RoHS-compliant SOT363 (SC-88) plastic package with six terminals and dual-transistor symmetry. The package supports automated placement and reflow soldering per JEDEC standards.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BCR148SH6327XTSA1, BCR149SH6327XTSA1 offers higher input impedance but loses dual-transistor matching, while NSVD120DP033T1G provides identical biasing in a smaller footprint but lacks automotive qualification and thermal performance - making BCR148SH6327XTSA1 optimal for space-constrained, dual-channel automotive designs.

Availability

BCR148SH6327XTSA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input conditioning, and medical diagnostic equipment requiring stable component supply and long-term lifecycle assurance.

Supply support for BCR148SH6327XTSA1 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

Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification to ISO/TS 16949.

BCR148SH6327XTSA1 belongs to Infineon's BCR series of digital transistors, engineered specifically for automotive-grade signal switching and interface isolation with integrated biasing to reduce design complexity and improve reliability in harsh environments.

FAQ

What is the maximum operating temperature for BCR148SH6327XTSA1?

The junction temperature rating is 150 °C, with derated total power dissipation of 250 mW at substrate temperature (T_S) ≤ 115 °C. Thermal resistance R_thJS is ≤ 140 K/W, and operation beyond 115 °C requires proportional power reduction per the P_tot vs. T_S curve in the datasheet.

Does BCR148SH6327XTSA1 support 3.3 V logic-level drive?

Yes - its V_i(on) range is 1–3 V at I_C = 2 mA/V_CE = 0.3 V, ensuring reliable turn-on from standard 3.3 V microcontroller outputs. Input current is ~70 µA at 3.3 V, well within GPIO sink/source limits.

How are the two transistors isolated inside the SOT363 package?

TR1 and TR2 share a common silicon die but have electrically isolated collector, base, and emitter terminals. No internal connection exists between E1/E2 or C1/C2; isolation is confirmed by <100 nA inter-transistor leakage at rated voltage, meeting AEC-Q101 isolation requirements.

Can BCR148SH6327XTSA1 replace discrete BJT + resistor combinations?

Yes - it replaces two NPN BJTs plus four bias resistors (two per transistor) in dual-channel applications. Layout simplification reduces PCB area by ≥35%, eliminates resistor tolerance stacking errors, and improves thermal tracking between channels due to monolithic integration.