Infineon Technologies BCR 169F E6327

Overview

BCR 169F E6327 from Infineon Technologies is a PNP silicon digital transistor with integrated bias resistor (R1 = 4.7 kΩ), designed for switching, inverting, interface, and driver circuits in automotive and industrial control systems. 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, h_FE = 120–630, and RoHS-compliant SOT23 package.

For engineers reviewing the BCR 169F E6327 datasheet, BCR 169F E6327 pinout, BCR 169F E6327 application, or BCR 169F E6327 equivalent, key selection criteria include built-in R1 tolerance (3.2–6.2 kΩ), AEC-Q101 qualification, thermal resistance R_thJS ≤ 240 K/W, and guaranteed V_i(off) ≤ 0.8 V at I_C = 100 µA for reliable logic-level interfacing.

Technical Context

This digital transistor integrates a PNP bipolar junction transistor with a monolithic 4.7 kΩ base bias resistor (R1), eliminating external component count in level-shifting and low-side switch applications. Its common-emitter configuration supports direct TTL/CMOS drive without pull-up resistors.

Designed for automotive-grade reliability, it meets AEC-Q101 stress testing requirements and operates across –65 °C to +150 °C junction temperature range. The SOT23 package enables high-density PCB layouts while maintaining thermal performance up to 200 mW at T_S ≤ 102 °C.

Key Specifications

Pinout & Package

BCR 169F E6327 uses the standard SOT23 surface-mount package (JEDEC TO-236AB), with 3-pin configuration optimized for automated assembly and thermal dissipation via solder pad exposure.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BC807-40 and MMBT3906LT1G, BCR 169F E6327 delivers plug-and-play logic interfacing with guaranteed R1 tolerance and AEC-Q101 validation-reducing qualification effort and improving system-level noise immunity in safety-critical switching paths.

Availability

BCR 169F E6327 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC I/O modules, consumer appliance power sequencing, and medical sensor interface circuits requiring stable component supply and long-term lifecycle support.

Supply support for BCR 169F E6327 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 infrastructure.

BCR 169F E6327 belongs to Infineon's BCR series of digital transistors, engineered specifically for automotive and industrial switching applications where integration, reliability, and AEC-Q101 compliance are mandatory.

FAQ

What is the function of the built-in resistor R1 in BCR 169F E6327?

R1 is a monolithically integrated 4.7 kΩ base bias resistor that provides fixed current limiting to the transistor base. It enables direct connection to logic outputs (e.g., 3.3 V or 5 V MCU GPIO) without external components, ensuring predictable turn-on behavior and eliminating resistor placement errors in high-volume manufacturing.

Is BCR 169F E6327 suitable for 24 V automotive applications?

Yes - its 50 V V_CEO rating provides 100% margin above nominal 24 V systems and accommodates load-dump transients up to ISO 7637-2 Pulse 5a (±60 V). Combined with AEC-Q101 qualification and –65 °C to +150 °C operating range, it meets full automotive environmental requirements.

How does thermal resistance R_thJS ≤ 240 K/W impact PCB layout?

This value reflects junction-to-solder-point thermal resistance under JEDEC-standard mounting conditions. To achieve rated 200 mW power dissipation, ensure ≥ 10 mm² exposed copper pad connected to Pin 1 (Emitter) and Pin 3 (Collector), with ≥ 2 internal ground/power planes, per Infineon Application Note AN077 guidelines.

Can BCR 169F E6327 replace a standard PNP transistor like BC807 in existing designs?

Only with schematic and layout revision: BCR 169F E6327 has integrated R1 and different pinout (E-B-C vs. E-C-B for BC807). Direct substitution will cause incorrect biasing or open-circuit operation. Use only when redesigning for reduced component count and verified logic-drive compatibility.