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SMMBTA42LT1G The ON Semiconductor SMMBTA42LT1G is an NPN silicon transistor designed for high voltage applications. It features a 300V collector-emitter voltage and a continuous collector current of 500mA.
Mfr Part #:

SMMBTA42LT1G

Available from 5 distributors
Mfr Name: On Semiconductor
On Semiconductor
The ON Semiconductor SMMBTA42LT1G is an NPN silicon transistor designed for high voltage applications. It features a 300V collector-emitter voltage and a continuous collector current of 500mA.
✓ Total Stock: 306,289 pcs
$ Price Range: $0.51

SMMBTA42LT1G Available from 5 distributors

✓ Authorised
✓ Non-Authorised
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.

SMMBTA42LT1G 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
Supplier Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
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SMMBTA42LT1G Description

Short technical summary and product information.

The ON Semiconductor SMMBTA42LT1G is a high voltage NPN silicon transistor housed in a compact SOT-23-3 package. It is rated for a maximum collector-emitter voltage of 300V and a continuous collector current of 500mA. The device offers a DC current gain (hFE) of up to 40 at 30mA and 10V, with a Vce saturation of 500mV at 2mA and 20mA.

 

This transistor is suitable for various electronic circuits requiring high voltage switching or amplification. Its surface mountable SOT-23-3 package makes it ideal for space-constrained designs. The operating temperature range is -55°C to 150°C.

 

Key electrical characteristics include a collector-emitter breakdown voltage of 300V and a frequency response up to 50MHz. The device is Pb-Free and Halogen Free, complying with RoHS standards.

SMMBTA42LT1G Quick Information

Product Type: NPN Silicon High Voltage Transistor
Canonical Name: SMMBTA42LT1G NPN Silicon High Voltage Transistor
Subcategory: Single

SMMBTA42LT1G Compliance

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

SMMBTA42LT1G Estimated Pricing

Qty Low High
1+ $0.51 $0.51

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

SMMBTA42LT1G Features

  • High voltage NPN silicon transistor
  • 300V collector-emitter voltage rating
  • 500mA continuous collector current
  • Compact SOT-23-3 surface mount package
  • Pb-Free and Halogen Free compliance

SMMBTA42LT1G Applications

  • High-voltage switching circuits.
  • General purpose amplification.
  • Telecom and industrial equipment.
  • LED driver circuits.
  • Power management modules.

SMMBTA42LT1G FAQs

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

300V.

What is the package type?

SOT-23-3 (TO-236-3, SC-59).

What is the operating temperature range?

-55°C to +150°C.

What is the DC current gain (hFE)?

Minimum 40 at 30mA, 10V.

What is the collector-emitter saturation voltage?

500mV at 20mA, 2mA.

Is the part Pb-Free?

Yes, verified Pb-Free.

Is the part Halogen Free?

Yes, verified Halogen Free.

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