BUK9Y4R4-40E,115 is out of stock and can be placed on backorder.
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Infineon Technologies
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Unit Price: $0.89000
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onsemi
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Unit Price: $1.58000
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onsemi
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Panjit International Inc.
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N-Channel 40 V 100A (Tc) 147W (Tc) Surface Mount LFPAK56, Power-SO8
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

BUK9Y4R4-40E,115

DigiKey Part Number
1727-1502-2-ND - Tape & Reel (TR)
1727-1502-1-ND - Cut Tape (CT)
1727-1502-6-ND - Digi-Reel®
Manufacturer
Manufacturer Part Number
BUK9Y4R4-40E,115
Description
MOSFET N-CH 40V 100A LFPAK56
Manufacturer Standard Lead Time
26 Weeks
Customer Reference
Detailed Description
N-Channel 40 V 100A (Tc) 147W (Tc) Surface Mount LFPAK56, Power-SO8
Datasheet
 Datasheet
Product Attributes
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Category
Gate Charge (Qg) (Max) @ Vgs
26.8 nC @ 5 V
Mfr
Vgs (Max)
±10V
Series
Input Capacitance (Ciss) (Max) @ Vds
4077 pF @ 25 V
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Power Dissipation (Max)
147W (Tc)
Part Status
Active
Operating Temperature
-55°C ~ 175°C (TJ)
FET Type
Grade
Automotive
Technology
Qualification
AEC-Q101
Drain to Source Voltage (Vdss)
40 V
Mounting Type
Surface Mount
Current - Continuous Drain (Id) @ 25°C
Supplier Device Package
LFPAK56, Power-SO8
Drive Voltage (Max Rds On, Min Rds On)
5V
Package / Case
Rds On (Max) @ Id, Vgs
3.7mOhm @ 25A, 10V
Base Product Number
Vgs(th) (Max) @ Id
2.1V @ 1mA
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
IAUC80N04S6N036ATMA1Infineon Technologies0448-IAUC80N04S6N036ATMA1TR-ND$0.89000Similar
NVMYS2D9N04CLTWGonsemi0488-NVMYS2D9N04CLTWGTR-ND$1.58000Direct
NVMYS3D8N04CLTWGonsemi0488-NVMYS3D8N04CLTWGTR-ND$1.12000Similar
PJQ5544S6-AU_R2_002A1Panjit International Inc.03757-PJQ5544S6-AU_R2_002A1TR-ND$1.95000Similar
In-Stock: 0
1,500 past due; estimated in-stock on 03-Nov-2026
Request Stock Notification
All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$1.28000$1.28
10$0.89800$8.98
100$0.69970$69.97
500$0.56026$280.13
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,500$0.41616$624.24
3,000$0.41125$1,233.75
Tariff Status: Tariff may apply if shipping to the United States. Estimated tariff costs will be calculated and displayed in the shopping cart to help you assess potential expenses.