BC817-40W,115 NPN general-purpose transistor with 45V collector-emitter voltage and 500mA collector current in a SOT323 surface-mount package.
Mfr Part #:

BC817-40W,115

Available from 2 distributors
Mfr Name: Nexperia USA Inc.
Nexperia USA Inc.
NPN general-purpose transistor with 45V collector-emitter voltage and 500mA collector current in a SOT323 surface-mount package.
Total Stock: 5,167,269 pcs
$ Price Range: $0.03 - $0.19

BC817-40W,115 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
5,167,020 pcs
5167020 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
249 pcs
249 pcs On Request 1 On Request On Request On Request On Request On Request

BC817-40W,115 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Collector-Base Voltage (VCBO)
Collector-Emitter Voltage (VCEO)
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
DC Current Gain (hFE) (Minimum/Maximum @ Vce=1 V, Ic=100 mA)
Emitter-Base Voltage (VEBO)
Frequency
Junction Temperature (TJ)
Mounting Type
Operating Temperature
Peak Base Current (IBM)
Peak Collector Current (ICM)
Power
Power Dissipation (Maximum @ FR 4 PCB, single-sided copper, 1 cm² mounting pad; Tamb≤25 °C)
Storage Temperature
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

BC817-40W,115 Description

Short technical summary and product information.

The BC817-40W,115 is an NPN general-purpose transistor from Nexperia, part of the BC817W series. It features a maximum collector-emitter voltage of 45V and a continuous collector current of 500mA, with a peak collector current of 1A. The transistor offers a DC current gain (hFE) range of 250 to 600 at 100mA and 1V, making it suitable for a variety of switching and amplification applications.

 

The device is housed in a compact SOT323 (SC-70) surface-mount package, enabling space-efficient designs. It has a maximum power dissipation of 200mW on a standard footprint and 290mW with a 1cm² pad. The operating temperature range is -65°C to 150°C, and the junction temperature can reach up to 150°C.

 

Typical applications include general-purpose switching and amplification in consumer electronics, industrial controls, and automotive systems. The transistor is RoHS3 compliant and has an MSL of 1 (unlimited).

BC817-40W,115 Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Series: BC817W
Canonical Name: BC817-40W,115 NPN General-Purpose Transistor
Subcategory: General-Purpose Transistor

BC817-40W,115 Compliance

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

BC817-40W,115 Estimated Pricing

Qty Low High
1+ $0.19 $0.19
10+ $0.10 $0.10
100+ $0.06 $0.06
500+ $0.04 $0.04
1,000+ $0.04 $0.04
3,000+ $0.03 $0.03

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

BC817-40W,115 Features

  • NPN general-purpose transistor in SOT323 package.
  • Maximum collector-emitter voltage of 45V.
  • Continuous collector current up to 500mA.
  • DC current gain range 250 to 600.
  • RoHS3 compliant with MSL 1 unlimited.

BC817-40W,115 Applications

  • Ideal for general-purpose switching circuits.
  • Suitable for signal amplification stages.
  • Used in consumer and industrial electronics.
  • Compact design for space-constrained PCBs.

BC817-40W,115 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type of the BC817-40W,115?

The BC817-40W,115 is available in a SOT323 (SC-70) surface-mount package.

What is the operating temperature range?

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

Is the BC817-40W,115 RoHS compliant?

Yes, it is marked as RoHS3 compliant, though this is unverified.

What is the maximum collector-emitter voltage?

The maximum collector-emitter voltage (VCEO) is 45V.

What is the maximum collector current?

The maximum continuous collector current is 500mA, with a peak current of 1A.

What is the DC current gain (hFE) range?

The DC current gain (hFE) ranges from 250 to 600 at Vce=1V and Ic=100mA.

What is the transition frequency of this transistor?

The typical transition frequency (ft) is 100 MHz.

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