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
AEC-Q101
Automotive Grade
Collector-Base Voltage (VCBO)
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
ESD Human Body Model
ESD Machine Model
Emitter-Base Voltage (VEBO)
Frequency
Halogen Free
Industrial Grade
Lead Style
Medical Grade
Military Grade
Mounting Type
Operating Temperature
Peak Base Current (IBM)
Peak Collector Current (ICM)
Power
SVHC Present
Standard Package Quantity
Storage Temperature
Supplier Device Package
Tape & Reel
Termination Finish
Thermal Resistance Junction to Ambient (RθJA)
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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