MMBTA42 The CJ MMBTA42 is an NPN high voltage amplifier transistor in a SOT-23 package. It offers a 300V collector-emitter voltage and is suitable for amplification and switching applications.
Mfr Part #:

MMBTA42

Available from 2 distributors
Mfr Name: CJ
CJ
The CJ MMBTA42 is an NPN high voltage amplifier transistor in a SOT-23 package. It offers a 300V collector-emitter voltage and is suitable for amplification and switching applications.
✓ Total Stock: 22,803 pcs
$ Price Range: $0.42

MMBTA42 Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
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21,000 pcs
21000 pcs On Request 1 On Request On Request On Request On Request On Request
Non-Authorised Inventory information
1,803 pcs
1803 pcs On Request 1 On Request On Request On Request On Request On Request

MMBTA42 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Tape & Reel

MMBTA42 Description

Short technical summary and product information.

The MMBTA42 from CJ is an NPN epitaxial planar bipolar junction transistor designed for medium power amplification and switching applications. It features a high collector-emitter breakdown voltage of 300V and a collector current of up to 0.2A.

 

This transistor is ideal for use as a high voltage amplifier. It comes in a compact SOT-23 package, suitable for surface mount designs. The device also has a complementary PNP type available, the MMBTA92.

 

Key electrical characteristics include a collector-emitter saturation voltage of 0.5V (typical) and a DC current gain (hFE) ranging from 25 to 40 depending on the collector current. The transition frequency (fT) is 50MHz minimum at 10mA collector current and 20V collector-emitter voltage.

MMBTA42 Quick Information

Product Type: Transistor
Canonical Name: MMBTA42 NPN High Voltage Amplifier Transistor
Subcategory: NPN

MMBTA42 Compliance

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

MMBTA42 Estimated Pricing

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1+ $0.42 $0.42

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

MMBTA42 Features

  • NPN high voltage amplifier transistor.
  • 300V collector-emitter breakdown voltage.
  • 0.2A maximum collector current.
  • SOT-23 surface mount package.
  • Ideal for amplification and switching.

MMBTA42 Applications

  • Used in high voltage amplifier circuits.
  • Suitable for medium power amplification.
  • Applicable for switching functions.
  • Complementary PNP type available.

MMBTA42 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the MMBTA42?

The MMBTA42 has a maximum collector-emitter voltage (VCEO) of 300V.

What is the maximum collector current of the MMBTA42 transistor?

The MMBTA42 transistor has a maximum DC collector current (IC) of 0.2A.

What package type is the MMBTA42 transistor supplied in?

The MMBTA42 transistor is supplied in a SOT-23 package.

What is the typical DC current gain (hFE) of the MMBTA42 at 1mA?

The typical DC current gain (hFE) of the MMBTA42 at 1mA collector current is 25.

What is the transition frequency of the MMBTA42?

The transition frequency (fT) of the MMBTA42 is a minimum of 50MHz.

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