BSP50 BSP50 is an NPN Darlington transistor from On Semiconductor, rated for 45V collector-emitter breakdown and 800mA collector current, with a minimum DC current gain of 2000.
Mfr Part #:

BSP50

Available from 2 distributors
Mfr Name: On Semiconductor
On Semiconductor
BSP50 is an NPN Darlington transistor from On Semiconductor, rated for 45V collector-emitter breakdown and 800mA collector current, with a minimum DC current gain of 2000.
Total Stock: 64,236 pcs
$ Price Range: $0.24

BSP50 Available from 2 distributors

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Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Non-Authorised Inventory information
64,000 pcs
64000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
236 pcs
236 pcs On Request 1 On Request On Request On Request On Request On Request

BSP50 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Mounting Type
Operating Temperature
Power
Supplier Device Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

BSP50 Description

Short technical summary and product information.

The BSP50 is an NPN Darlington transistor manufactured by On Semiconductor, designed for general-purpose switching and amplification applications. It features a collector-emitter breakdown voltage (Vceo) of 45V and a maximum collector current (Ic) of 800mA, with a power dissipation of 1W.

 

This Darlington pair offers a high DC current gain (hFE) of at least 2000 at Ic=500mA and Vce=10V, enabling high sensitivity with low base drive requirements. The collector-emitter saturation voltage (Vce(sat)) is 1.3V maximum at Ib=500µA and Ic=500mA.

 

The device is housed in a surface-mount SOT-223-4 package (TO-261-4, TO-261AA), suitable for automated assembly. It operates over a junction temperature range of -55°C to 150°C. The BSP50 is RoHS3 compliant, though this status is unverified.

BSP50 Quick Information

Product Type: Darlington Transistor
Canonical Name: BSP50 NPN Darlington Transistor
Subcategory: Single Darlington

BSP50 Compliance

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

BSP50 Estimated Pricing

Qty Low High
1,249+ $0.24 $0.24

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

BSP50 Features

  • NPN Darlington transistor with 45V Vceo.
  • Maximum collector current of 800mA.
  • Power dissipation rated at 1W.
  • Minimum DC current gain of 2000.
  • Surface mount SOT-223-4 package.

BSP50 Applications

  • Medium-power switching and driver circuits.
  • High-gain amplifier stages.
  • Interface between logic and higher-current loads.
  • General purpose relay and solenoid drivers.

BSP50 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the BSP50?

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

What package does the BSP50 come in?

The BSP50 is supplied in a TO-261-4 / TO-261AA (SOT-223-4) surface mount package.

What is the operating temperature range of the BSP50?

The junction operating temperature range is -55°C to 150°C.

Is the BSP50 RoHS compliant?

The BSP50 is listed as RoHS3 compliant, but this status is unverified and should be confirmed.

What is the current gain of the BSP50?

The minimum DC current gain (hFE) is 2000 at Ic=500mA, Vce=10V.

What is the maximum collector current for the BSP50?

The maximum collector current (Ic) is 800mA.

What is the saturation voltage of the BSP50?

The maximum collector-emitter saturation voltage (Vce(sat)) is 1.3V at Ib=500µA, Ic=500mA.

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