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BC817-40 NPN general purpose transistor in SOT-23 package. 45V VCEO, 800mA collector current, 310mW power dissipation.
Mfr Part #:

BC817-40

Available from 1 distributors
Mfr Name: Diotec Semiconductor
Diotec Semiconductor
NPN general purpose transistor in SOT-23 package. 45V VCEO, 800mA collector current, 310mW power dissipation.
✓ Total Stock: 21,000 pcs
$ Price Range: $0.02 - $0.11

BC817-40 Available from 1 distributor

✓ Authorised
✓ Non-Authorised
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21,000 pcs
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21000 pcs On Request 1 On Request On Request On Request On Request On Request
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BC817-40 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Conflict Minerals
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Halogen Free
Industrial Grade
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Style
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
Weight
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BC817-40 Description

Short technical summary and product information.

The BC817-40 is an NPN general purpose bipolar junction transistor from Diotec Semiconductor. It is designed for signal processing, switching, and amplification applications.

 

Key electrical ratings include a collector-emitter voltage (VCEO) of 45 V, a maximum collector current of 800 mA, and a power dissipation of 310 mW when mounted on a PCB with a 3 mm² copper pad. The DC current gain (hFE) ranges from 250 to 630 at 100 mA, 1 V. The transition frequency is typically 100 MHz.

 

The device is housed in a surface-mount SOT-23-3 (TO-236, SC-59) package, weighing approximately 0.01 g. It is supplied in tape and reel packaging with a standard quantity of 3000 pieces. The marking code is 6C or 6CT.

 

The BC817-40 is RoHS3 compliant, REACH unaffected, and has an MSL of 1 (unlimited). It is also compliant with conflict minerals requirements.

BC817-40 Quick Information

Product Type: Bipolar Junction Transistor
Series: BC817
Canonical Name: BC817-40 NPN General Purpose Transistor
Subcategory: General Purpose Transistor

BC817-40 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected
Lead Free: Yes

BC817-40 Estimated Pricing

Qty Low High
1+ $0.11 $0.11
10+ $0.08 $0.08
100+ $0.07 $0.07
500+ $0.06 $0.06
1,000+ $0.05 $0.05
3,000+ $0.04 $0.04
9,000+ $0.02 $0.02
45,000+ $0.02 $0.02

Estimated market price range - modelled values for guidance only, not live distributor offers.

BC817-40 Features

  • NPN general purpose bipolar transistor.
  • 45V collector-emitter voltage rating.
  • 800mA maximum collector current.
  • 310mW power dissipation capability.
  • Surface mount SOT-23-3 package.

BC817-40 Applications

  • Signal processing and amplification circuits.
  • Switching applications up to 800mA.
  • General purpose transistor replacement.
  • Low power driver and interface stages.

BC817-40 FAQs

6 frequently asked questions generated from this part’s specifications.
What is the collector-emitter voltage (VCEO) of the BC817-40?

45 V.

What is the maximum collector current?

800 mA.

What is the power dissipation?

310 mW when mounted on a PCB with a 3 mm² copper pad.

What package is the BC817-40 available in?

SOT-23-3 (TO-236, SC-59) surface mount package.

What is the operating temperature range?

-55°C to 150°C (junction temperature).

Is the BC817-40 RoHS compliant?

Yes, RoHS3 compliant.

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