Mfr Part #:

BUK7Y12-40EX

N-Channel MOSFET with 40V drain-source voltage and 52A continuous drain current. Features low on-resistance of 12mΩ and AEC-Q101 automotive qualification.

✓ Total Stock: 16,355 pcs

$ Price Range: $0.23 - $1.05

BUK7Y12-40EX Available from 2 distributors

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
PROSOFT ELECTRONICS ✓ Non-Authorised Inventory information	15,000 pcs On Request	15000 pcs	On Request	1	On Request	On Request	25+	On Request	On Request
Rayichip ✓ Non-Authorised Inventory information	1,355 pcs On Request	1355 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

BUK7Y12-40EX Description

Short technical summary and product information.

The BUK7Y12-40EX is a standard level N-channel MOSFET from Nexperia, utilizing TrenchMOS technology. It is designed for high-performance automotive applications and is qualified to AEC-Q101 standard. The device offers a drain-source voltage of 40V and a continuous drain current of 52A at 25°C case temperature. With a maximum on-state resistance of 12mΩ at 10V gate drive, it provides efficient power switching. The MOSFET is housed in an LFPAK56 (Power-SO8) surface-mount package, suitable for thermally demanding environments with an operating junction temperature range of -55°C to 175°C. Typical applications include 12V automotive systems, motor control, lamp and solenoid control, and transmission control.

BUK7Y12-40EX Quick Information

Product Type: MOSFET

Series: BUK7Y12-40E

Canonical Name: BUK7Y12-40EX N-Channel MOSFET

Subcategory: N-Channel MOSFET

BUK7Y12-40EX Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BUK7Y12-40EX Estimated Pricing

Qty	Low	High
1+	$1.05	$1.05
10+	$0.66	$0.66
100+	$0.43	$0.43
500+	$0.33	$0.33
1,000+	$0.28	$0.28
1,500+	$0.26	$0.26
3,000+	$0.23	$0.23
9,000+	$0.23	$0.23

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

BUK7Y12-40EX Features

N-Channel MOSFET with 40V drain-source voltage.
Continuous drain current rating of 52A at 25°C.
Low on-resistance of 12mΩ maximum at 10V gate drive.
AEC-Q101 qualified for automotive applications.
Surface mount LFPAK56 package for compact design.

BUK7Y12-40EX Applications

Ideal for 12V automotive power systems.
Used in motor, lamp, and solenoid control.
Suitable for transmission control modules.
High performance power switching applications.

BUK7Y12-40EX FAQs

7 frequently asked questions generated from this part’s specifications.

What is the drain-source voltage rating?

40V maximum.

What is the maximum drain current?

52A at 25°C case temperature.

What is the on-resistance?

12mΩ maximum at 15A drain current and 10V gate drive.

What is the operating temperature range?

-55°C to 175°C junction temperature.

What package is it available in?

SC-100, SOT-669 (LFPAK56, Power-SO8) surface mount package.

Is it RoHS compliant?

RoHS3 Compliant (unverified).

Is it automotive qualified?

Yes, AEC-Q101 qualified.

Category	Transistors - FETs, MOSFETs - Single
Manufacturer Name	Nexperia USA Inc.
AEC Qualified	Yes
Automotive Grade	Yes
Current	52 A
Drain to Source Voltage (Vdss)	40 V
Drive Voltage (Max Rds On, Min Rds On)	10 V
FET Type	N-Channel
Gate Charge (Qg) (Max) @ Vgs	15 nC
Input Capacitance (Ciss) (Max) @ Vds	1039 pF
Lead Style	Gull Wing
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 175°C
Power Dissipation (Max)	65 W
Rds On (Max) @ Id, Vgs	12mOhm @ 15A, 10V
Storage Temperature	-55°C ~ 175°C
Supplier Device Package	LFPAK56, Power-SO8
Tape & Reel	Yes
Technology	MOSFET (Metal Oxide)
Vgs (Max)	±20 V
Vgs(th) (Max) @ Id	4 V