Infineon Technologies BCR 166F E6327

Overview

BCR 166F E6327 from Infineon Technologies is a PNP silicon digital transistor with integrated bias resistors (R1 = 4.7 kΩ, R2 = 47 kΩ), designed for switching, inverting, interfacing, 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 ≥ 70, and AEC-Q101 qualification.

For engineers reviewing the BCR 166F E6327 datasheet, BCR 166F E6327 pinout, BCR 166F E6327 application, or BCR 166F E6327 equivalent, this part serves as a pre-biased PNP switch optimized for low-power logic-level interface and load driving where space-constrained SOT23 packaging and guaranteed DC gain are critical.

Technical Context

This device integrates two on-chip resistors to form a single-transistor inverter/driver stage, eliminating external base bias components. Its R1/R2 ratio of 0.1 ensures stable saturation under varying temperature conditions (–40°C to 125°C) and supports reliable turn-on/turn-off behavior with V_i(on) ≤ 1.4 V and V_i(off) ≥ 0.4 V.

The SOT23 package delivers R_thJS ≤ 240 K/W, enabling operation up to T_J = 150°C. Electrical performance is specified per AEC-Q101 stress testing, confirming suitability for automotive body electronics, LED drivers, and microcontroller-peripheral interface applications requiring robust thermal and reliability validation.

Key Specifications

Pinout & Package

SOT23 plastic surface-mount package (3-pin, standard JEDEC MO-215); compact footprint (2.9 mm × 1.3 mm × 1.0 mm) with gull-wing leads. RoHS-compliant, lead-free termination.

Key Features

Applications

Equivalent & Alternatives

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

Compared with BCR166F E6327, BCR169F offers higher gain and lower input threshold for marginal drive conditions, while NSVBC166FDT5G trades 10 V headroom for alternate supply-chain assurance-neither is drop-in compatible without voltage margin review.

Availability

BCR 166F E6327 is available at Aetrix Electronics and suitable for automotive body electronics, industrial PLC outputs, consumer appliance power sequencing, and medical diagnostic equipment interface requiring stable component supply and AEC-Q101 validation.

Supply support for BCR 166F 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 AG is a German semiconductor manufacturer specializing in power management, automotive electronics, and industrial control ICs, with global manufacturing and quality certification infrastructure.

The BCR166F E6327 belongs to Infineon's BCR series of digital transistors, engineered specifically for automotive-grade, space-constrained switching applications where reliability, pre-bias integration, and thermal resilience are mandatory.

FAQ

What is the maximum continuous collector current for BCR 166F E6327?

The maximum continuous collector current is 100 mA at T_S ≤ 102°C for the SOT23 package. Derating applies above this case temperature, with total power dissipation dropping linearly to zero at 150°C junction temperature. Pulse operation allows higher peak currents per the permissible pulse load curves in the datasheet.

Is BCR 166F E6327 pin-compatible with BCR166W?

Yes - both share identical pin configuration (Emitter/Base/Collector on pins 1/2/3) and SOT23 mechanical outline. However, BCR166W uses SOT323 packaging with different thermal resistance (R_thJS ≤ 105 K/W) and higher P_tot (250 mW), so PCB layout and thermal design must be verified separately.

Does BCR 166F E6327 require external base resistors?

No - it integrates R1 = 4.7 kΩ and R2 = 47 kΩ internally. This eliminates the need for external biasing components, simplifying design and improving board-level reliability. The fixed R1/R2 ratio ensures consistent switching thresholds across temperature and process variation.

What does AEC-Q101 qualification mean for this part?

AEC-Q101 qualification confirms that BCR 166F E6327 has passed accelerated stress tests including temperature cycling, high-temperature reverse bias, and ESD (HBM ≥ 2 kV), making it suitable for non-safety-critical automotive applications such as lighting, HVAC, and body control modules per industry reliability standards.