Infineon Technologies BCR119WE6327HTSA1

Overview

BCR119WE6327HTSA1 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 BCR119WE6327HTSA1 datasheet, BCR119WE6327HTSA1 pinout, BCR119WE6327HTSA1 application, or BCR119WE6327HTSA1 equivalent, key selection criteria include built-in R1 tolerance (3.2–6.2 kΩ), thermal resistance R_thJS ≤ 105 K/W, SOT-323 package footprint, and guaranteed operation up to T_j = 150 °C in automotive ambient environments.

Technical Context

This device integrates a single NPN bipolar junction transistor with a monolithically embedded 4.7 kΩ base bias resistor (R1), enabling direct logic-level drive without external components. Its common-emitter configuration supports DC switching with h_FE stable across −40 °C to +125 °C and V_CE(sat) ≤ 0.3 V under specified I_C/I_B conditions.

The SOT-323 package provides compact surface-mount compatibility and thermal performance optimized for PCB-constrained applications. Electrical behavior is characterized at T_A = 25 °C with pulse test conditions (t < 300 µs, duty cycle < 2%), and thermal derating curves confirm P_tot = 250 mW at T_S ≤ 124 °C.

Key Specifications

Pinout & Package

BCR119WE6327HTSA1 uses the SOT-323 (SC-70) plastic surface-mount package: 2.1 mm × 1.25 mm × 0.95 mm body, gull-wing leads, tape-and-reel packaging (3,000 pcs/reel, ø180 mm).

Key Features

Applications

Equivalent & Alternatives

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

Compared with BC847BW,115, BCR119WE6327HTSA1 reduces component count and qualifies for automotive use; versus NSV11200MT1G, it offers smaller SOT-323 footprint and tighter R1 tolerance but slightly higher thermal resistance.

Availability

BCR119WE6327HTSA1 is available at Aetrix Electronics and suitable for automotive lighting control, industrial PLC output stages, consumer appliance motor drives, and HVAC blower regulation requiring stable component supply and AEC-Q101 compliance.

Supply support for BCR119WE6327HTSA1 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.

BCR119WE6327HTSA1 belongs to Infineon's BCR family of digital transistors, engineered specifically for robust, low-component-count switching in automotive and industrial environments where reliability, thermal resilience, and AEC-Q101 compliance are mandatory.

FAQ

What is the maximum continuous collector current for BCR119WE6327HTSA1?

The absolute maximum DC emitter current I_E is 100 mA, and the device is rated for continuous operation at this level only when the soldering point temperature T_S remains ≤124 °C. Derating applies above that temperature per the published P_tot vs. T_S curve, with total power dissipation limited to 250 mW at T_S = 124 °C.

Does BCR119WE6327HTSA1 require an external base resistor?

No - it integrates a monolithic 4.7 kΩ base resistor (R1) with guaranteed tolerance of 3.2–6.2 kΩ. This enables direct connection to 3.3 V or 5 V logic outputs without external bias components, simplifying layout and reducing bill-of-materials count in digital switching applications.

Is BCR119WE6327HTSA1 suitable for PWM-driven loads?

Yes - with f_T = 150 MHz and V_CE(sat) ≤ 0.3 V at I_C = 10 mA, it supports clean switching at PWM frequencies up to 20 kHz. Its fast turn-on/off characteristics and low saturation voltage minimize switching losses and thermal stress during high-duty-cycle operation in motor and LED drivers.

How does the AEC-Q101 qualification impact design validation?

AEC-Q101 qualification confirms that BCR119WE6327HTSA1 has passed accelerated stress tests including high-temperature operating life (HTOL), temperature cycling (TC), and human-body-model ESD (≥2 kV). This eliminates the need for additional qualification testing in automotive applications, shortening time-to-market for engine control, lighting, and body electronics designs.