How many Diodes Incorporated Diodes Incorporated BC81 Series part numbers are listed?

4 Diodes Incorporated Diodes Incorporated BC81 Series part numbers are listed, each with specifications and a datasheet where available.

Diodes Incorporated BC81 Series

4 variants · Diodes Incorporated

About the Diodes Incorporated Diodes Incorporated BC81 Series series

The Diodes Incorporated Diodes Incorporated BC81 Series series groups 4 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 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 Diodes Incorporated 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 · 160 @ 100mA, 1V · 250 @ 100mA, 1V
Operating temperature: -65°C ~ 150°C (TJ) · -65°C~150°C(TJ)
Package: Tape & Reel (TR) Cut Tape (CT) · Tape & Reel (TR); Cut Tape (CT)
Power - max: 200 mW · 310 mW · 350 mW

Variant comparison

Parameter	BC817-16W-7	BC817-25Q-7-F	BC817-40Q-13-F	BC817-40Q-7-F
Case	SC-70, SOT-323	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3	TO-236-3, SC-59, SOT-23-3
DC current gain (hFE) (Min) @ ic, vce	100 @ 100mA, 1V	160 @ 100mA, 1V	250 @ 100mA, 1V	250 @ 100mA, 1V
Operating temperature	-65°C~150°C(TJ)	-65°C ~ 150°C (TJ)	-65°C~150°C(TJ)	-65°C ~ 150°C (TJ)
Package	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)	Tape & Reel (TR); Cut Tape (CT)	Tape & Reel (TR) Cut Tape (CT)
Power - max	200 mW	350 mW	310 mW	310 mW

Shared specifications

Current - collector (Ic): 500 mA
Current - collector cutoff: 100nA
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 Diodes Incorporated 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 Diodes Incorporated Diodes Incorporated BC81 Series variants differ?: Diodes Incorporated 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 Diodes Incorporated Diodes Incorporated BC81 Series part numbers are listed?: 4 Diodes Incorporated Diodes Incorporated BC81 Series part numbers are listed, each with specifications and a datasheet where available.
How do I get pricing and lead time for Diodes Incorporated Diodes Incorporated BC81 Series?: Request a quote (RFQ) for any Diodes Incorporated BC81 Series part number and we confirm price, availability and lead time per line — including end-of-life and hard-to-find variants.