MMBTA42LT1G The MMBTA42LT1G is an NPN Silicon High Voltage Transistor from ON Semiconductor. It features a 300V collector-emitter voltage and a 500mA continuous collector current, housed in a SOT-23-3 package.
Mfr Part #:

MMBTA42LT1G

Available from 10 distributors
Mfr Name: On Semiconductor
On Semiconductor
The MMBTA42LT1G is an NPN Silicon High Voltage Transistor from ON Semiconductor. It features a 300V collector-emitter voltage and a 500mA continuous collector current, housed in a SOT-23-3 package.
✓ Total Stock: 3,319,433 pcs
$ Price Range: $0.99

MMBTA42LT1G Available from 10 distributors

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MMBTA42LT1G Specifications Quick View

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

MMBTA42LT1G Description

Short technical summary and product information.

The MMBTA42LT1G is a high voltage NPN silicon transistor manufactured by ON Semiconductor. It is designed for applications requiring high voltage handling capabilities, with a maximum collector-emitter voltage of 300V for the MMBTA42/SMMBTA42 variants and 200V for the MMBTA43 variant. The device can handle a continuous collector current of up to 500mA.

 

This transistor features a DC current gain (hFE) of 40 at 30mA and 10V. The collector-emitter saturation voltage is a maximum of 0.5V at 2mA base current and 20mA collector current. It operates over a wide temperature range from -55°C to +150°C.

 

The MMBTA42LT1G is supplied in a compact SOT-23-3 (TO-236) surface mount package, making it suitable for space-constrained designs. The device is Pb-free and Halogen-free, complying with RoHS standards. Its high voltage rating and small package size make it a versatile component for various electronic circuits.

MMBTA42LT1G Quick Information

Product Type: NPN Silicon High Voltage Transistor
Canonical Name: MMBTA42LT1G NPN Silicon High Voltage Transistor
Subcategory: Bipolar (BJT) - Single

MMBTA42LT1G Compliance

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

MMBTA42LT1G Estimated Pricing

Qty Low High
1+ $0.99 $0.99

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

MMBTA42LT1G Features

  • High voltage NPN silicon transistor
  • 300V collector-emitter voltage rating
  • 500mA continuous collector current
  • SOT-23-3 surface mount package
  • Wide operating temperature range

MMBTA42LT1G Applications

  • Suitable for high voltage circuits
  • General purpose amplification
  • Switching applications
  • Compact electronic designs

MMBTA42LT1G FAQs

6 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the MMBTA42LT1G?

The MMBTA42LT1G has a maximum collector-emitter voltage of 300 Vdc.

What is the continuous collector current rating?

The continuous collector current rating is 500 mAdc.

What is the DC current gain (hFE) of the MMBTA42LT1G?

The DC current gain (hFE) is a minimum of 40 at 30mA collector current and 10V VCE.

What is the operating temperature range?

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

What package type is the MMBTA42LT1G supplied in?

The MMBTA42LT1G is supplied in a SOT-23-3 (TO-236) package.

Is the MMBTA42LT1G RoHS compliant?

Yes, the MMBTA42LT1G is RoHS3 Compliant.

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