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SMMBTA42LT3G The On Semiconductor SMMBTA42LT3G is an NPN bipolar transistor designed for high voltage applications. It offers a 300V collector-emitter voltage and 500mA continuous collector current.
Mfr Part #:

SMMBTA42LT3G

Available from 3 distributors
Mfr Name: On Semiconductor
On Semiconductor
The On Semiconductor SMMBTA42LT3G is an NPN bipolar transistor designed for high voltage applications. It offers a 300V collector-emitter voltage and 500mA continuous collector current.
✓ Total Stock: 384,375 pcs
$ Price Range: $0.51

SMMBTA42LT3G Available from 3 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Flip Electronics ✓
Non-Authorised Inventory information
254,205 pcs
On Request
254205 pcs On Request 1 On Request On Request On Request On Request On Request
Optech Co.,Limited ✓
Non-Authorised Inventory information
121,020 pcs
On Request
121020 pcs On Request 1 On Request On Request On Request On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
9,150 pcs
On Request
9150 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

SMMBTA42LT3G 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
Mounting Type
Operating Temperature
Power
SVHC Present
Supplier Device Package
Supplier Package
Tape & Reel
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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SMMBTA42LT3G Description

Short technical summary and product information.

The SMMBTA42LT3G from onsemi is a high voltage NPN silicon transistor. It is designed for applications requiring a breakdown voltage of up to 300V and can handle a continuous collector current of 500mA.

 

Key electrical characteristics include a minimum DC current gain (hFE) of 40 at 30mA and 10V, and a maximum collector-emitter saturation voltage (Vce(sat)) of 500mV at 2mA collector current and 20mA base current. The transistor operates at a transition frequency of 50MHz.

 

This device has a maximum power dissipation of 225mW and an operating temperature range of -55°C to 150°C. It is supplied in a surface-mount SOT-23-3 (TO-236) package, making it suitable for compact electronic designs.

 

The SMMBTA42LT3G is Pb-free and Halogen-free, complying with RoHS standards. Its S prefix indicates suitability for automotive applications requiring unique site and control change requirements, and it is AEC-Q101 qualified and PPAP capable.

SMMBTA42LT3G Quick Information

Product Type: Bipolar Transistor
Canonical Name: SMMBTA42LT3G NPN Silicon High Voltage Transistor
Subcategory: Single

SMMBTA42LT3G Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected
Lead Free: No

SMMBTA42LT3G Estimated Pricing

Qty Low High
1+ $0.51 $0.51

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

SMMBTA42LT3G Features

  • High voltage NPN silicon transistor.
  • 300V collector-emitter breakdown voltage.
  • 500mA continuous collector current.
  • 225mW maximum power dissipation.
  • Surface mount SOT-23-3 package.

SMMBTA42LT3G Applications

  • High-voltage switching circuits up to 300V.
  • Automotive electronic control modules.
  • General purpose amplification and driver stages.
  • Surface mount design for compact assemblies.

SMMBTA42LT3G FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the SMMBTA42LT3G?

300 Vdc.

What package types is this transistor available in?

Available in TO-236-3, SC-59, and SOT-23-3 packages, with the supplier package being SOT-23-3.

What is the operating temperature range?

-55°C to 150°C.

What is the DC current gain (hFE) of the SMMBTA42LT3G?

Minimum 40 at IC = 30mA and VCE = 10V.

What is the collector-emitter saturation voltage?

Maximum 0.5V at IC = 20mA and IB = 2mA.

What is the power dissipation rating?

Maximum 225 mW at TA = 25°C on FR-5 board.

What is the transition frequency?

50 MHz.

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