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Infineon Technologies BCR133WH6327 — Discrete Semiconductors
Infineon Technologies

BCR133WH6327 NPN Pre-Biased Transistor, 100 mA, 50 V, SC-70

MPNBCR133WH6327
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Infineon BCR133WH6327 NPN Pre-Biased Transistor, 100 mA Ic, 50 V Vce, 10 kΩ R1/R2, 130 MHz ft, SC-70 (SOT-323), Surface Mount, 250 mW.

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BCR133WH6327 datasheet
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Specifications

BCR133WH6327 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, vce30 @ 5mA, 5V
Power - max250 mW
Frequency130 MHz
PackageBulk
CaseSC-70, SOT-323
Resistor - base (R1)10 kOhms
Resistor - emitter base (R2)10 kOhms
Vce saturation (Max) @ ib, ic300mV @ 500µA, 10mA

Product details

Pre-biased NPN in a tiny SC-70 package

The Infineon BCR133WH6327 is an NPN pre-biased transistor — it integrates both a 10 kΩ base resistor (R1) and a 10 kΩ emitter-base resistor (R2) inside the same SC-70 (SOT-323) package. That means two external resistors disappear from the BOM and the board. It is rated for a collector current of 100 mA and a collector-emitter breakdown voltage of 50 V, with a transition frequency of 130 MHz. The 250 mW power dissipation limit suits low-power switching applications like relay drivers, LED indicators, and logic-level interfacing in compact consumer or industrial PCBs.

Frequently asked questions

What is the base resistor value in BCR133WH6327?

The integrated base resistor (R1) is 10 kΩ, and the emitter-base resistor (R2) is also 10 kΩ. This pre-biased configuration eliminates two external components.

What is the maximum collector current of BCR133WH6327?

The maximum collector current (Ic) is 100 mA. This sets the upper load limit for switching applications such as driving small relays, LEDs, or logic inputs.

What are the alternatives for BCR133WH6327?

Pin-compatible alternatives include other Infineon pre-biased NPN transistors in the same SC-70 package with different resistor ratios — for example, the BCR133WH6327 uses 10 kΩ / 10 kΩ; a sibling with 10 kΩ / 47 kΩ (BCR135WH6327) or 2.2 kΩ / 10 kΩ (BCR108WH6327) shifts the base drive threshold. Check the resistor divider that matches your saturation voltage requirement.