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2SC4381 The Sanken 2SC4381 is an NPN triple diffused planar transistor rated for 150V collector-emitter voltage and 2A collector current. It comes in a TO-220F full pack package and dissipates up to 25W.
Mfr Part #:

2SC4381

Available from 1 distributors
Mfr Name: Sanken
Sanken
The Sanken 2SC4381 is an NPN triple diffused planar transistor rated for 150V collector-emitter voltage and 2A collector current. It comes in a TO-220F full pack package and dissipates up to 25W.
✓ Total Stock: 20 pcs
$ Price Range: $0.89

2SC4381 Available from 1 distributor

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✓ Non-Authorised
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20 pcs
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2SC4381 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Automotive Grade
Current
DC Current Gain (hFE) (Min) @ Ic, Vce
Frequency
Mounting Type
Operating Temperature
Power
Supplier Device Package
Transistor Type
Vce Saturation (Max) @ Ib, Ic
Voltage
Weight
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2SC4381 Description

Short technical summary and product information.

The Sanken 2SC4381 is a silicon NPN triple diffused planar transistor designed for audio output driver and general purpose applications. It features a collector-emitter voltage rating of 150V and a collector current rating of 2A, with a maximum power dissipation of 25W. The device offers a minimum DC current gain (hFE) of 60 at 700mA and 10V, and a typical transition frequency of 15MHz.

 

This transistor is housed in a TO-220-3 Full Pack (TO-220F) through-hole package, providing easy mounting and good thermal performance. The maximum junction temperature is 150°C, and the storage temperature range is -55°C to +150°C. The device is RoHS compliant and has a complementary PNP part, the 2SA1667.

 

Typical applications include audio output drivers and general purpose switching and amplification circuits. The through-hole package makes it suitable for PCB designs requiring manual or automated insertion.

2SC4381 Quick Information

Product Type: Bipolar Junction Transistor (BJT)
Canonical Name: Sanken 2SC4381 NPN Triple Diffused Planar Transistor
Subcategory: Single NPN

2SC4381 Compliance

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

2SC4381 Estimated Pricing

Qty Low High
1,000+ $0.89 $0.89

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

2SC4381 Features

  • NPN triple diffused planar transistor.
  • 150V collector-emitter voltage rating.
  • 2A collector current capability.
  • 25W power dissipation in TO-220F.
  • RoHS compliant and through-hole mount.

2SC4381 Applications

  • Audio output driver circuits.
  • General purpose switching applications.
  • Signal amplification in power stages.
  • Complementary pair with 2SA1667.

2SC4381 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum collector-emitter voltage of the 2SC4381?

The maximum collector-emitter voltage (VCEO) is 150V.

What is the maximum collector current of the 2SC4381?

The maximum collector current (IC) is 2A.

What is the power dissipation rating of the 2SC4381?

The maximum power dissipation is 25W.

What package is the 2SC4381 available in?

The 2SC4381 is available in a TO-220-3 Full Pack (TO-220F) through-hole package.

What is the operating junction temperature range of the 2SC4381?

The maximum junction temperature is 150°C, and the storage temperature range is -55°C to +150°C.

Is the 2SC4381 RoHS compliant?

Yes, the 2SC4381 is RoHS3 compliant per the manufacturer page.

What is the minimum DC current gain (hFE) of the 2SC4381?

The minimum DC current gain (hFE) is 60 at Vce=10V and Ic=700mA.

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