BC817-40W-7 The BC817-40W-7 is a 45V NPN small signal transistor from Diodes Incorporated in a SOT-323 package. It features a maximum collector current of 500mA and a DC current gain of 250 minimum.
Mfr Part #:

BC817-40W-7

Available from 2 distributors
Mfr Name: Diodes Incorporated
Diodes Incorporated
The BC817-40W-7 is a 45V NPN small signal transistor from Diodes Incorporated in a SOT-323 package. It features a maximum collector current of 500mA and a DC current gain of 250 minimum.
✓ Total Stock: 46,020 pcs
$ Price Range: $0.05 - $0.28

BC817-40W-7 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
30,000 pcs
30000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
16,020 pcs
16020 pcs On Request 1 On Request On Request On Request On Request On Request

BC817-40W-7 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
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 Finish
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
Weight

BC817-40W-7 Description

Short technical summary and product information.

The BC817-40W-7 is an NPN small signal transistor designed for switching and amplifier applications. It is part of the BC817 series from Diodes Incorporated, offering a collector-emitter breakdown voltage of 45V and a continuous collector current rating of 500mA.

 

Key electrical characteristics include a minimum DC current gain (hFE) of 250 at 100mA and 1V, a transition frequency of 100MHz, and a collector-emitter saturation voltage of 700mV maximum. The device is qualified to AEC-Q101 standards for automotive reliability.

 

The transistor is housed in a surface-mount SOT-323 package with gull-wing leads and matte tin termination. It is RoHS3 compliant, halogen-free, and has a moisture sensitivity level of 1. The standard packaging is tape and reel with 3000 pieces per reel.

BC817-40W-7 Quick Information

Product Type: Bipolar Transistor - Single
Series: BC817-40W
Canonical Name: BC817-40W-7 NPN Small Signal Transistor
Subcategory: NPN Small Signal Transistor

BC817-40W-7 Compliance

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

BC817-40W-7 Estimated Pricing

Qty Low High
1+ $0.28 $0.28
10+ $0.17 $0.17
100+ $0.11 $0.11
500+ $0.08 $0.08
1,000+ $0.07 $0.07
3,000+ $0.05 $0.05

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

BC817-40W-7 Features

  • NPN transistor with 45V collector-emitter breakdown voltage.
  • Maximum continuous collector current of 500mA.
  • DC current gain (hFE) of 250 minimum at 100mA.
  • Transition frequency of 100MHz for switching applications.
  • Surface-mount SOT-323 package with matte tin finish.

BC817-40W-7 Applications

  • Ideal for general-purpose switching and amplification.
  • Suitable for automotive electronics due to AEC-Q101 qualification.
  • Used in low-frequency signal processing circuits.
  • Can be used in portable devices due to small SOT-323 package.

BC817-40W-7 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the collector-emitter breakdown voltage of the BC817-40W-7?

The minimum collector-emitter breakdown voltage (VCEO) is 45V at 10mA.

What package is the BC817-40W-7 available in?

It is available in a surface-mount SOT-323 package.

What is the operating temperature range?

The junction temperature range is -65°C to 150°C.

Is the BC817-40W-7 RoHS compliant?

Yes, it is RoHS3 compliant and lead-free per the datasheet.

What is the DC current gain (hFE) of the BC817-40W-7?

The minimum hFE is 250 at Ic=100mA, Vce=1V.

What is the transition frequency of this transistor?

The typical transition frequency is 100MHz at Vce=5V, Ic=10mA.

What is the ESD rating?

The device is rated for 4kV HBM and 400V MM.

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