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HomeProductsDiscrete Semiconductor ProductsTransistors - Bipolar (BJT) - SingleBD681STU
onsemi
Image may be representation.
See specifications for product details.

BD681STU - onsemi

Manufacturer Part Number
BD681STU
Manufacturer
onsemi
Allelco Part Number
32D-BD681STU
ECAD Model
Parts Description
TRANS NPN DARL 100V 4A TO126-3
Detailed Description
Package
TO-225AA, TO-126-3
Data sheet
BD681STU.pdf
RoHs Status
ROHS3 Compliant
In stock: 3740

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Quantity

Specifications

BD681STU Tech Specifications
onsemi - BD681STU technical specifications, attributes, parameters and parts with similar specifications to onsemi - BD681STU

Product Attribute Attribute Value  
Manufacturer onsemi  
Voltage - Collector Emitter Breakdown (Max) 100 V  
Vce Saturation (Max) @ Ib, Ic 2.5V @ 30mA, 1.5A  
Transistor Type NPN - Darlington  
Supplier Device Package TO-126-3  
Series -  
Power - Max 40 W  
Package / Case TO-225AA, TO-126-3  
Product Attribute Attribute Value  
Package Tube  
Operating Temperature 150°C (TJ)  
Mounting Type Through Hole  
Frequency - Transition -  
DC Current Gain (hFE) (Min) @ Ic, Vce 750 @ 1.5A, 3V  
Current - Collector Cutoff (Max) 500µA  
Current - Collector (Ic) (Max) 4 A  
Base Product Number BD681  

Parts Introduction

Manufacturer Part Number

BD681STU

Manufacturer

onsemi

Introduction

This is a bipolar junction transistor (BJT) from onsemi, designed for power amplifier and switching applications.

Product Features and Performance

Rated for up to 40W of power

Collector-emitter breakdown voltage of up to 100V

Collector current rating of up to 4A

High current gain of at least 750 at 1.5A collector current

Low collector-emitter saturation voltage of max 2.5V at 30mA, 1.5A

Product Advantages

Robust and reliable power handling capability

High current gain for efficient power amplification

Low saturation voltage for low power dissipation

Key Technical Parameters

Power Rating: 40W

Collector-Emitter Breakdown Voltage: 100V

Collector Current (Max): 4A

DC Current Gain: 750 minimum

Collector-Emitter Saturation Voltage: 2.5V maximum

Quality and Safety Features

RoHS3 compliant

Thermally efficient TO-126-3 package

Compatibility

Through-hole mounting

Compatible with various power amplifier and switching applications

Application Areas

Power amplifiers

Switching circuits

Motor controls

Industrial electronics

Product Lifecycle

This product is an active, standard part from onsemi. Replacement or upgraded options may become available in the future.

Key Reasons to Choose

Robust power handling

High current gain for efficient amplification

Low saturation voltage for low power dissipation

RoHS compliance for environmental responsibility

Parts with Similar Specifications

The three parts on the right have similar specifications to onsemi BD681STU

Product Attribute BD681STU BD680ASTU BD681S BD680G
Part Number BD681STU BD680ASTU BD681S BD680G
Manufacturer onsemi Fairchild Semiconductor Fairchild Semiconductor onsemi
Supplier Device Package TO-126-3 TO-126-3 TO-126-3 TO-126
DC Current Gain (hFE) (Min) @ Ic, Vce 750 @ 1.5A, 3V 750 @ 2A, 3V 750 @ 1.5A, 3V 750 @ 1.5A, 3V
Series - - - -
Package / Case TO-225AA, TO-126-3 TO-225AA, TO-126-3 TO-225AA, TO-126-3 TO-225AA, TO-126-3
Mounting Type Through Hole Through Hole Through Hole Through Hole
Current - Collector (Ic) (Max) 4 A 4 A 4 A 4 A
Frequency - Transition - - - -
Voltage - Collector Emitter Breakdown (Max) 100 V 80 V 100 V 80 V
Base Product Number BD681 - BD681 BD680
Transistor Type NPN - Darlington PNP - Darlington NPN - Darlington PNP - Darlington
Package Tube Bulk Bulk Bulk
Operating Temperature 150°C (TJ) 150°C (TJ) 150°C (TJ) -55°C ~ 150°C (TJ)
Vce Saturation (Max) @ Ib, Ic 2.5V @ 30mA, 1.5A 2.8V @ 40mA, 2A 2.5V @ 30mA, 1.5A 2.5V @ 30mA, 1.5A
Current - Collector Cutoff (Max) 500µA 500µA 500µA 500µA
Power - Max 40 W 14 W 40 W 40 W

BD681STU Datasheet PDF

Download BD681STU pdf datasheets and onsemi documentation for BD681STU - onsemi.

Environmental Information
onsemi REACH.pdf onsemi RoHS.pdf
PCN Design/Specification
Logo 17/Aug/2017.pdf
PCN Packaging
Mult Devices 24/Oct/2017.pdf
PCN Obsolescence/ EOL
Mult Devices EOL 12/Apr/2019.pdf
PCN Assembly/Origin
Mult Devices Mold change 19/Mar/2019.pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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onsemi

BD681STU

onsemi
32D-BD681STU

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