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Infineon Technologies BCR 142T E6327 — Discrete Semiconductors
Infineon Technologies

Infineon BCR 142T E6327 NPN Pre-Biased Transistor, 100 mA

MPNBCR 142T E6327
End of Life

Infineon BCR 142T E6327 NPN pre-biased digital transistor, 100 mA collector current, 50 V Vce, 150 MHz transition frequency, built-in 22 kΩ base and 47 kΩ emitter-base resistors, SC-75 SMD package.

BCR 142T E6327 datasheet
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Specifications

BCR 142T E6327 Technical Specifications
ParameterValue
Mounting typeSurface Mount
FET typeNPN - Pre-Biased
Voltage - collector emitter breakdown50 V
Current - collector (Ic)100 mA
Current - collector cutoff100nA (ICBO)
DC current gain (hFE) (Min) @ ic, vce70 @ 5mA, 5V
Power - max250 mW
Frequency150 MHz
PackageTape & Reel (TR)
CaseSC-75, SOT-416
Resistor - base (R1)22 kOhms
Resistor - emitter base (R2)47 kOhms
Vce saturation (Max) @ ib, ic300mV @ 500µA, 10mA

Product details

Pre-biased NPN for space-constrained switching

The BCR 142T E6327: The Infineon BCR 142T is an NPN pre-biased digital transistor in a SC-75 (SOT-416) surface-mount package. It integrates a 22 kOhm base resistor (R1) and a 47 kOhm emitter-base resistor (R2), eliminating the need for external bias components in low-current switching and driver applications. Rated for 100 mA collector current and 50 V collector-emitter breakdown, it suits relay drivers, LED switches, and logic-level interface circuits where board space is at a premium.

Built-in resistors simplify the BOM

The DC current gain (hFE) is a minimum of 70 at 5 mA, 5 V, which means a 100 µA base current from the logic pin can saturate the transistor with 10 mA of collector load. The 300 mV Vce saturation at 500 µA base, 10 mA collector confirms low on-state voltage drop for efficient switching.

Switching speed and leakage

Transition frequency is 150 MHz. Collector cutoff current is 100 nA maximum.

Active and available to source

No direct pin-compatible replacement is listed, but the BCR 142 family includes other pre-biased NPN variants in different resistor ratios or packages — verify the resistor values match your drive requirements before substituting.

Frequently asked questions

What is the collector current rating of BCR 142T E6327?

The maximum collector current (Ic) is 100 mA. The part is designed for low-current switching and driver applications within this limit.

What is the difference between BCR 142T and BCR 142W?

The BCR 142T and BCR 142W share the same base resistor values (22 kOhms / 47 kOhms) and electrical ratings, but differ in package. The BCR 142T uses the SC-75 (SOT-416) package, while the BCR 142W typically uses a larger SOT-323 or SOT-23 footprint. Verify the package outline before substituting.