BC857ALT1G BC857ALT1G is a PNP general purpose transistor from onsemi with a maximum collector-emitter voltage of -45V and continuous collector current of -100mA. It is housed in a surface-mount SOT-23-3 package.
Mfr Part #:

BC857ALT1G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
BC857ALT1G is a PNP general purpose transistor from onsemi with a maximum collector-emitter voltage of -45V and continuous collector current of -100mA. It is housed in a surface-mount SOT-23-3 package.
Total Stock: 53,140 pcs
$ Price Range: $0.26

BC857ALT1G Available from 3 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
47,137 pcs
47137 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
6,000 pcs
6000 pcs On Request 1 On Request On Request 21+20+ On Request On Request
Non-Authorised Inventory information
3 pcs
$0.26
Qty Price
0+ 0.26
3 pcs $0.26
QtyPrice
0+ 0.26
1 On Request On Request On Request On Request On Request

BC857ALT1G Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Collector-Base Voltage (VCBO)
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Emitter-Base Voltage (VEBO)
Frequency
Halogen Free
Mounting Type
Operating Temperature
Power
SVHC Present
Storage Temperature
Supplier Device Package
Tape & Reel
Thermal Resistance (Junction to Ambient) (Nominal @ Alumina substrate)
Thermal Resistance (Junction to Ambient) (Nominal @ FR -5 board)
Total Device Dissipation (Maximum @ FR -5 Board, TA = 25 °C)
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage

BC857ALT1G Description

Short technical summary and product information.

The BC857ALT1G is a PNP silicon general purpose transistor from onsemi, part of the BC857ALT1G Series. It is designed for general purpose switching and amplification applications.

 

Key electrical specifications include a maximum collector-emitter voltage (VCEO) of -45V, a maximum collector-base voltage (VCBO) of -50V, and a maximum continuous collector current of -100mA. The device offers a DC current gain (hFE) of 125 minimum at Ic = -2mA and Vce = -5V, and a transition frequency (ft) of 100MHz. The maximum Vce saturation voltage is 650mV at Ib = -5mA and Ic = -100mA.

 

The transistor is surface mount packaged in a SOT-23-3 (TO-236) case. It has a maximum power dissipation of 300mW on an alumina substrate and 225mW on an FR-5 board at 25°C. The operating temperature range is -55°C to 150°C.

BC857ALT1G Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Series: BC857ALT1G Series
Canonical Name: BC857ALT1G PNP General Purpose Transistor
Subcategory: Single PNP

BC857ALT1G Compliance

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

BC857ALT1G Estimated Pricing

Qty Low High
1+ $0.24 $0.24
10+ $0.10 $0.10
100+ $0.05 $0.05
500+ $0.04 $0.04
1,000+ $0.03 $0.03
3,000+ $0.03 $0.03

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

BC857ALT1G Features

  • PNP silicon general purpose transistor.
  • Maximum collector-emitter voltage of -45V.
  • Continuous collector current rating of -100mA.
  • Transition frequency of 100 MHz.
  • Surface mount SOT-23-3 (TO-236) package.

BC857ALT1G Applications

  • Used in general purpose switching circuits.
  • Suitable for signal amplification stages.
  • Ideal for low-power consumer electronics.
  • Applicable in portable and battery-powered devices.

BC857ALT1G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage (VCEO) of the BC857ALT1G?

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

What is the maximum continuous collector current for the BC857ALT1G?

The maximum continuous collector current is -100mA.

What is the package type for the BC857ALT1G?

The BC857ALT1G is available in a surface mount SOT-23-3 (TO-236) package.

What is the operating temperature range of the BC857ALT1G?

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

Is the BC857ALT1G RoHS compliant?

The datasheet states the device is Pb-Free, Halogen Free/BFR Free and RoHS Compliant.

What is the transition frequency (ft) of the BC857ALT1G?

The transition frequency (ft) is 100 MHz.

What is the DC current gain (hFE) of the BC857ALT1G?

The minimum DC current gain (hFE) is 125 at Ic = -2mA and Vce = -5V.

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