STMicroelectronics BD681 NPN Darlington Transistor, 4 A 100 V HFE:750, 3-Pin SOT-32

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Save 51% when you buy 2000 units

Subtotal (1 tube of 50 units)*

£22.70

(exc. VAT)

£27.25

(inc. VAT)

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In Stock
  • 6,200 unit(s) ready to ship
  • Plus 10,350 unit(s) shipping from 08 October 2025
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Units
Per unit
Per Tube*
50 - 50£0.454£22.70
100 - 450£0.317£15.85
500 - 950£0.275£13.75
1000 - 1950£0.235£11.75
2000 +£0.22£11.00

*price indicative

Alternative

This product is not currently available. Here is our alternative recommendation.

presentation
Bourns BD243C-S NPN Bipolar Transistor, 6 A, 100 V, 3-Pin TO-220
RS Stock No.
656-2273

Each

£1.44

(exc. VAT)

£1.73

(inc. VAT)

RS Stock No.:
102-4093
Mfr. Part No.:
BD681
Brand:
STMicroelectronics
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Brand

STMicroelectronics

Transistor Type

NPN

Maximum Continuous Collector Current

4 A

Maximum Collector Emitter Voltage

100 V

Maximum Emitter Base Voltage

5 V

Package Type

SOT-32

Mounting Type

Through Hole

Pin Count

3

Transistor Configuration

Single

Number of Elements per Chip

1

Minimum DC Current Gain

750

Maximum Collector Base Voltage

100 V

Maximum Collector Emitter Saturation Voltage

2.5 V

Maximum Collector Cut-off Current

0.2mA

Dimensions

7.8 x 2.7 x 10.8mm

Maximum Operating Temperature

+150 °C

Width

2.7mm

Height

10.8mm

Length

7.8mm

Minimum Operating Temperature

-65 °C

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