Infineon Technologies BCR 153L3 E6327

Overview

BCR 153L3 E6327 from Infineon Technologies is a PNP silicon digital transistor with integrated bias resistors (R1 = R2 = 2.2 kΩ), designed for low-power switching, interface, and driver circuits in compact consumer and industrial electronics. It features V_CEO = 50 V, I_C = 100 mA, V_CE(sat) ≤ 0.3 V at I_C = 20 mA/I_B = 1 mA, and f_T = 200 MHz - enabling fast logic-level signal inversion in space-constrained PCB layouts.

For engineers reviewing the BCR 153L3 E6327 datasheet, BCR 153L3 E6327 pinout, BCR 153L3 E6327 application, or BCR 153L3 E6327 equivalent, key selection criteria include its built-in resistor ratio (R1/R2 = 0.9–1.1), guaranteed h_FE ≥ 20 at 20 mA, thermal resistance R_thJS ≤ 60 K/W, and SC75 package compatibility with high-density SMT assembly.

Technical Context

This digital transistor integrates two matched resistors to simplify base drive design, eliminating external bias components in single-transistor switch configurations. Its PNP topology supports active-low control logic, with Vi(on) = 0.8–2.5 V and Vi(off) = 0.8–1.5 V ensuring robust noise margin against TTL/CMOS logic thresholds.

The SC75 package delivers enhanced thermal performance (R_thJS ≤ 60 K/W) versus comparable SOT-23 variants, supporting continuous operation up to T_S = 135 °C. Pulse load capability extends peak power handling via duty-cycle-dependent derating, validated per Infineon's permissible pulse load curves.

Key Specifications

Pinout & Package

BCR 153L3 E6327 is housed in an SC75 (SOT-416) surface-mount package: 1.6 mm × 0.8 mm footprint, 0.5 mm pitch, 0.4 mm max height, JEDEC-compliant for automated placement and reflow.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BCR153F and BCR153T, the BCR153L3 offers superior thermal management (R_thJS ≤ 60 K/W) and higher junction temperature tolerance (T_S ≤ 135 °C), making it optimal for compact, thermally demanding applications where reliability under sustained load is critical.

Availability

BCR 153L3 E6327 is available at Aetrix Electronics and suitable for LED driver circuits, microcontroller interface modules, relay driver modules, and power supply sequencing applications requiring stable component supply and long-term manufacturability.

Supply support for BCR 153L3 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 ICs, and discrete power devices, with global R&D and manufacturing infrastructure.

The BCR153 series belongs to Infineon's digital transistor product line, engineered specifically for replacing discrete BJT + resistor combinations in cost- and space-sensitive logic interface and switching applications.

FAQ

Is BCR 153L3 E6327 pin-compatible with standard SOT-23 transistors?

No - BCR 153L3 E6327 uses the SC75 (SOT-416) package, which has a 0.5 mm pin pitch and 1.6 mm × 0.8 mm footprint, differing from SOT-23's 0.95 mm pitch and 2.9 mm × 1.3 mm size. Direct replacement requires PCB layout revision and stencil adjustment.

What is the maximum allowable base drive voltage for reliable operation?

The input forward voltage rating is Vi(fwd) = 20 V, but practical operation should limit base-emitter voltage to ≤ 5 V to avoid exceeding the 100 µA ICBO leakage spec at VEB = 10 V. For TTL/CMOS interfacing, Vi(on) ≤ 2.5 V ensures safe, saturated switching without overstress.

Does BCR 153L3 E6327 support PWM switching at 100 kHz?

Yes - with f_T = 200 MHz and V_CE(sat) ≤ 0.3 V, the device supports clean 100 kHz PWM switching of loads up to 20 mA. Rise/fall times are typically < 5 ns under 10 mA drive, confirmed by Infineon's AC characterization at 100 MHz test conditions.

Can BCR 153L3 E6327 replace a general-purpose PNP BJT like BC807?

Only in fixed-bias switching roles - BCR 153L3 E6327 integrates R1/R2 and lacks adjustable gain or linear amplification capability. It cannot substitute for BC807 in analog amplifier or variable-current source applications due to absence of external base control and nonlinear input voltage thresholds.