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Taiwan Semiconductor Corporation BC81 Series

3 variants · Taiwan Semiconductor Corporation

About the Taiwan Semiconductor Corporation Taiwan Semiconductor Corporation BC81 Series series

The Taiwan Semiconductor Corporation Taiwan Semiconductor Corporation BC81 Series series groups 3 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common current - collector (Ic) of 500 mA, current - collector cutoff of 100nA (ICBO) and frequency of 100MHz. Variants differ by case, DC current gain (hFE) (Min) @ ic, vce and operating temperature, so you can match the exact case your application requires using the selection guide below. All listed Taiwan Semiconductor Corporation BC81 Series part numbers are active and orderable.

Select a variant by

Case
SC-70, SOT-323 · TO-236-3, SC-59, SOT-23-3
DC current gain (hFE) (Min) @ ic, vce
100 @ 100mA, 1V · 250 @ 100mA, 1V
Operating temperature
-55°C ~ 150°C (TJ) · -55°C~150°C(TJ)
Package
Tape & Reel (TR) · Tape & Reel (TR) Cut Tape (CT)
Power - max
200 mW · 300 mW

Variant comparison

ParameterBC817-16 RFGBC817-40 RFGBC817-40W RFG
CaseTO-236-3, SC-59, SOT-23-3TO-236-3, SC-59, SOT-23-3SC-70, SOT-323
DC current gain (hFE) (Min) @ ic, vce100 @ 100mA, 1V250 @ 100mA, 1V250 @ 100mA, 1V
Operating temperature-55°C~150°C(TJ)-55°C~150°C(TJ)-55°C ~ 150°C (TJ)
PackageTape & Reel (TR)Tape & Reel (TR)Tape & Reel (TR) Cut Tape (CT)
Power - max300 mW300 mW200 mW

Shared specifications

Current - collector (Ic)
500 mA
Current - collector cutoff
100nA (ICBO)
Frequency
100MHz
Mounting type
Surface Mount
Transistor type
NPN
Vce saturation (Max) @ ib, ic
700mV @ 50mA, 500mA
Voltage - collector emitter breakdown
45 V

Request a quote on any Taiwan Semiconductor Corporation BC81 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

Frequently asked questions

How do the Taiwan Semiconductor Corporation Taiwan Semiconductor Corporation BC81 Series variants differ?
Taiwan Semiconductor Corporation BC81 Series part numbers differ by case, DC current gain (hFE) (Min) @ ic, vce, operating temperature and package. Use the selection guide above to pick by case.
How many Taiwan Semiconductor Corporation Taiwan Semiconductor Corporation BC81 Series part numbers are listed?
3 Taiwan Semiconductor Corporation Taiwan Semiconductor Corporation BC81 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Taiwan Semiconductor Corporation Taiwan Semiconductor Corporation BC81 Series?
Request a quote (RFQ) for any Taiwan Semiconductor Corporation BC81 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.

All variants