Infineon Technologies BCR119SH6433XTMA1

Overview

BCR119SH6433XTMA1 from Infineon Technologies is an NPN silicon digital transistor with integrated 4.7 kΩ base resistor, designed for switching, inverter, interface, and driver circuits in automotive and industrial control systems. It features V_CEO = 50 V, I_E = 100 mA, h_FE = 120–630, V_CE(sat) ≤ 0.3 V at I_C = 10 mA/I_B = 0.5 mA, and AEC-Q101 qualification.

For engineers reviewing the BCR119SH6433XTMA1 datasheet, BCR119SH6433XTMA1 pinout, BCR119SH6433XTMA1 application, or BCR119SH6433XTMA1 equivalent, this part serves as a RoHS-compliant, thermally robust, dual-transistor-matched digital switch optimized for space-constrained PCBs requiring stable gain and low saturation voltage across −40 °C to 125 °C.

Technical Context

This device integrates two electrically isolated NPN transistors in a single SOT363 (SC-88) package with matched characteristics-enabling precise differential switching or complementary logic functions. Its built-in R₁ = 4.7 kΩ base resistor eliminates external bias components and ensures consistent turn-on behavior.

The BCR119SH6433XTMA1 operates with f_T = 150 MHz, C_cb = 3 pF, and thermal resistance R_thJS ≤ 140 K/W, supporting high-speed digital interfacing while maintaining junction temperature ≤ 150 °C under continuous 250 mW dissipation at T_S ≤ 115 °C.

Key Specifications

Pinout & Package

BCR119SH6433XTMA1 uses the SOT363 (SC-88) surface-mount package: 6-pin, 2.1 mm × 2.0 mm footprint, 0.95 mm height, lead-free (RoHS compliant), tape-and-reel packaging (3,000 pcs/reel).

Key Features

Applications

Equivalent & Alternatives

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

Compared with BCR119SH6433XTMA1, the BCR116 variant trades dual-transistor precision for smaller footprint and lower unit cost, while the NSVD2003 offers more channels at the expense of thermal and automotive compliance - making the BCR119S optimal for AEC-Q101–mandated dual-switch designs.

Availability

BCR119SH6433XTMA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC input stages, USB-C power delivery interfaces, and smart home relay drivers requiring stable component supply across extended temperature ranges and long production lifecycles.

Supply support for BCR119SH6433XTMA1 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 and IATF 16949.

The BCR119S series belongs to Infineon's digital transistor product line, engineered specifically for automotive and industrial signal switching applications demanding AEC-Q101 reliability, matched dual-transistor performance, and compact SMT integration.

FAQ

What is the maximum operating temperature for BCR119SH6433XTMA1?

The junction temperature limit is 150 °C, and the device is rated for continuous operation at T_S ≤ 115 °C with P_tot = 250 mW. Derating curves in the datasheet show linear reduction to zero dissipation at 150 °C ambient board temperature, confirming suitability for under-hood automotive environments.

Can BCR119SH6433XTMA1 replace discrete BJT + base resistor combinations?

Yes - its integrated 4.7 kΩ base resistor enables direct replacement of NPN transistors like BC847 with external 4.7 kΩ bias networks. Pin compatibility is not maintained, but functional equivalence is achieved with reduced layout area and fewer solder joints, improving manufacturing yield and long-term reliability.

Is the dual-transistor structure internally isolated or shared-emitter?

The two NPN transistors are fully electrically isolated - each has independent emitter (E1/E2), base (B1/B2), and collector (C1/C2) terminals. The SOT363 package contains two separate die with no shared substrate connection, enabling true differential or floating-emitter configurations.

Does BCR119SH6433XTMA1 support PWM-driven loads?

Yes - with f_T = 150 MHz and V_CE(sat) ≤ 0.3 V, it supports PWM frequencies up to 10 MHz for low-duty-cycle digital control. For 100 Hz–20 kHz motor or LED dimming, its thermal resistance (R_thJS ≤ 140 K/W) ensures stable operation without heatsinking under typical 250 mW average power conditions.