2SD381 The NEC 2SD381 is an NPN power transistor designed for audio frequency power amplification and low-speed power switching applications. It features a TO-220C package.
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2SD381

Available from 1 distributors
Mfr Name: NEC
NEC
The NEC 2SD381 is an NPN power transistor designed for audio frequency power amplification and low-speed power switching applications. It features a TO-220C package.
✓ Total Stock: 3 pcs
$ Price Range: $0.99

2SD381 Available from 1 distributor

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2SD381 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Manufacturer Name
Junction Temperature
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Storage Temperature

2SD381 Description

Short technical summary and product information.

The 2SD381 from NEC is a silicon NPN power transistor. It is designed for applications such as audio frequency power amplifiers and low-speed power switching.

 

Key electrical characteristics include a collector-emitter voltage of 120V and a continuous collector current of 1.5A. The transistor also offers a low collector saturation voltage, making it efficient for power applications.

 

This component comes in a TO-220C package, which is suitable for through-hole mounting. Its complementary type is the 2SB536.

 

Absolute maximum ratings include a collector-base voltage of 130V and a peak collector current of 3.0A. The operating junction temperature is rated up to 150℃.

2SD381 Quick Information

Product Type: NPN Power Transistor
Canonical Name: 2SD381 NPN Power Transistor
Subcategory: NPN

2SD381 Compliance

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

2SD381 Estimated Pricing

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1+ $0.99 $0.99

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

2SD381 Features

  • NPN power transistor for amplification.
  • 120V collector-emitter voltage rating.
  • 1.5A continuous collector current.
  • Low collector saturation voltage.
  • TO-220C package for power applications.

2SD381 Applications

  • Used in high-voltage switching circuits
  • Suitable for power amplification applications
  • Ideal for RF signal processing
  • Mounts in standard through-hole PCB

2SD381 FAQs

5 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage for the 2SD381?

The maximum collector-emitter voltage (VCEO) for the 2SD381 is 120V.

What is the continuous collector current rating of the 2SD381 transistor?

The continuous collector current (IC) for the 2SD381 is 1.5A.

What package type is the 2SD381 transistor supplied in?

The 2SD381 transistor is supplied in a TO-220C package.

What is the typical DC current gain (hFE) of the 2SD381 at 0.3A?

The minimum DC current gain (hFE) of the 2SD381 at 0.3A is 40, with a typical maximum of 250.

What is the transition frequency (fT) of the 2SD381?

The transition frequency (fT) of the 2SD381 is 45MHz.

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