Infineon Technologies BCR169WH6327XTSA1

Overview

BCR169WH6327XTSA1 from Infineon Technologies is a PNP silicon digital transistor with integrated 4.7 kΩ bias resistor (R1), designed for low-power switching, 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 AEC-Q101 qualification.

For engineers reviewing the BCR169WH6327XTSA1 datasheet, BCR169WH6327XTSA1 pinout, BCR169WH6327XTSA1 application, or BCR169WH6327XTSA1 equivalent, key selection criteria include input threshold voltage (V_i(on)/V_i(off)), thermal resistance (R_thJS ≤ 105 K/W), SOT323 package footprint, and guaranteed DC current gain across temperature.

Technical Context

This device integrates a single PNP bipolar junction transistor with monolithically embedded base bias resistor R1 (4.7 kΩ ±30%), enabling direct logic-level drive without external bias components. Its common-emitter configuration supports saturated switching with fast turn-on/off due to f_T = 200 MHz and low C_cb = 3 pF.

Designed for automotive-grade reliability, it operates over T_j = –65 °C to 150 °C and meets AEC-Q101 stress test requirements. The SOT323 package provides optimized thermal performance (P_tot = 250 mW at T_S ≤ 124 °C) and surface-mount compatibility with standard reflow profiles.

Key Specifications

Pinout & Package

SOT323 package: 3-pin, surface-mount, plastic molded case with gull-wing leads; footprint compatible with JEDEC MO-178AA; moisture sensitivity level (MSL) 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BC807-40W and NSV11201MT1G, BCR169WH6327XTSA1 uniquely combines AEC-Q101 qualification, integrated biasing, and 150 °C junction rating-making it the only choice for thermally demanding automotive switching where component count and reliability are jointly critical.

Availability

BCR169WH6327XTSA1 is available at Aetrix Electronics and suitable for automotive body electronics, industrial sensor interfaces, and consumer appliance control panels requiring stable component supply and long-term lifecycle support.

Supply support for BCR169WH6327XTSA1 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 ICs, and discrete devices, with global manufacturing and quality certification to ISO/TS 16949.

BCR169WH6327XTSA1 belongs to Infineon's BCR family of digital transistors, engineered specifically for simplified, high-reliability switching in automotive and industrial control systems where integration, qualification, and thermal robustness are essential.

FAQ

What is the maximum allowable junction temperature for continuous operation?

The absolute maximum junction temperature is 150 °C, as specified in the Absolute Maximum Ratings table. Operation must remain within this limit under all conditions-including ambient temperature, power dissipation, and PCB thermal design-to ensure reliability and AEC-Q101 compliance. Derating curves in the datasheet define permissible power versus case temperature.

Is BCR169WH6327XTSA1 pin-compatible with other SOT323 PNP transistors?

No-it is not pin-compatible with standard PNP BJTs like BC807-40W because Pin 1 is Base (with internal R₁), whereas conventional SOT323 PNP transistors assign Pin 1 to Emitter. Substitution requires schematic and layout revision to accommodate the integrated bias topology.

Does this part support pulse operation beyond its DC power rating?

Yes-pulse operation is supported per the P_tot(max)/P_tot(DC) vs. pulse width (t_p) curves. At t_p = 100 µs and duty cycle D = 0.02, peak power can reach ~5× DC rating (1.25 W), provided thermal limits and safe operating area (SOA) are respected per Application Note AN077.

How does the built-in resistor affect input drive requirements?

The 4.7 kΩ R₁ sets the base current when driven from a voltage source: I_B ≈ (V_IN − V_BE)/R₁. With V_i(on) = 0.5–1.1 V, a 3.3 V logic signal delivers ~0.5–0.6 mA I_B, sufficient for full saturation at I_C ≤ 10 mA. No external resistor is needed for basic switching.