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BD9x Integrated MOSFET DC-DC Buck Converters

ROHM Semiconductor BD9x Integrated MOSFET DC-DC Buck Converters are synchronous buck switching regulators with built-in power MOSFETs. These ICs provide currents in a range from 1A to 6A. ROHM BD9x DC-DC Buck Converters deliver fast transient response by employing a constant on-time control system. This allows high oscillating frequency at low inductance. The devices employ an original constant on-time control method that provides low consumption at light load. This feature makes these devices ideal for equipment that demands minimal standby power consumption.

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Part #

Switching Voltage Regulators 7.0V to 36V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9E303UEFJ-LBH2
ROHM Semiconductor
1: €4.56
157In Stock

Mfr. Part No.
BD9E303UEFJ-LBH2

Mouser Part No
755-BD9E303UEFJ-LBH2

ROHM Semiconductor

Switching Voltage Regulators 7.0V to 36V Input, 3.0A Integrated MOSFET Single Synchronous Buck DC/DC Converter

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Datasheet

157In Stock

Cut Tape

€4.56

€3.47

€3.20

€2.91

Reel

€2.75

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Min.: 1
Mult.: 1

: 250

Switching Voltage Regulators BUCK SWITCHING REG IC

BD9G201UEFJ-ME2
ROHM Semiconductor
1: €2.00
498In Stock

Mfr. Part No.
BD9G201UEFJ-ME2

Mouser Part No
755-BD9G201UEFJ-ME2

ROHM Semiconductor

Switching Voltage Regulators BUCK SWITCHING REG IC

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Datasheet

498In Stock

Cut Tape

€2.00

€1.48

€1.35

€1.21

Reel

€1.02

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Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Multi Output

BD93291EFJ-E2
ROHM Semiconductor
1: €0.98
4,182In Stock

Mfr. Part No.
BD93291EFJ-E2

Mouser Part No
755-BD93291EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Multi Output

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Datasheet

4,182In Stock

Cut Tape

€0.98

€0.72

€0.65

€0.574

Reel

€0.478

View

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Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD95861MUV-E2
ROHM Semiconductor
1: €1.45
9,309In Stock

Mfr. Part No.
BD95861MUV-E2

Mouser Part No
755-BD95861MUV-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

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Datasheet

9,309In Stock

Cut Tape

€1.45

€1.07

€0.972

€0.869

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Reel

€0.724

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators 900 kHz SINGLE CHAN STEP DOWN SWITCHING

BD9870FPS-E2
ROHM Semiconductor
1: €1.63
2,507In Stock
2,000Expected 17/09/2026

Mfr. Part No.
BD9870FPS-E2

Mouser Part No
755-BD9870FPS-E2

ROHM Semiconductor

Switching Voltage Regulators 900 kHz SINGLE CHAN STEP DOWN SWITCHING

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Datasheet

2,507In Stock

2,000Expected 17/09/2026

Cut Tape

€1.63

€1.20

€1.10

€0.98

Reel

€0.851

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Min.: 1
Mult.: 1

: 2,000

Switching Voltage Regulators 2.7V To 5.5 MOSFET DC/DC Conv

BD9B301MUV-LBE2
ROHM Semiconductor
1: €2.86
825In Stock

Mfr. Part No.
BD9B301MUV-LBE2

Mouser Part No
755-BD9B301MUV-LBE2

ROHM Semiconductor

Switching Voltage Regulators 2.7V To 5.5 MOSFET DC/DC Conv

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Datasheet

825In Stock

Cut Tape

€2.86

€2.15

€1.98

€1.78

Reel

€1.51

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators 4.5-18Vin,3A MOSFET DC/DC Converter

BD9C301FJ-E2
ROHM Semiconductor
1: €1.26
7,042In Stock

Mfr. Part No.
BD9C301FJ-E2

Mouser Part No
755-BD9C301FJ-E2

ROHM Semiconductor

Switching Voltage Regulators 4.5-18Vin,3A MOSFET DC/DC Converter

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Datasheet

7,042In Stock

Cut Tape

€1.26

€0.929

€0.839

€0.744

Reel

€0.611

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MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators RECT 650V 15A SM SCHOTTKY

BD9C601EFJ-E2
ROHM Semiconductor
1: €2.00
1,450In Stock

Mfr. Part No.
BD9C601EFJ-E2

Mouser Part No
755-BD9C601EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators RECT 650V 15A SM SCHOTTKY

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Datasheet

1,450In Stock

Cut Tape

€2.00

€1.48

€1.34

€1.21

Reel

€1.02

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9D320EFJ-E2
ROHM Semiconductor
1: €0.576
9,585In Stock
15,000Expected 09/11/2026

Mfr. Part No.
BD9D320EFJ-E2

Mouser Part No
755-BD9D320EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

Learn More

Datasheet

9,585In Stock

15,000Expected 09/11/2026

Cut Tape

€0.576

€0.41

€0.368

€0.322

Reel

€0.263

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MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9D321EFJ-E2
ROHM Semiconductor
1: €0.593
7,570In Stock

Mfr. Part No.
BD9D321EFJ-E2

Mouser Part No
755-BD9D321EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

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Datasheet

7,570In Stock

Cut Tape

€0.593

€0.419

€0.377

€0.329

Reel

€0.266

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators SD Switching Reg

BD9G101G-TR
ROHM Semiconductor
1: €1.35
12,881In Stock

Mfr. Part No.
BD9G101G-TR

Mouser Part No
755-BD9G101G-TR

ROHM Semiconductor

Switching Voltage Regulators SD Switching Reg

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Datasheet

12,881In Stock

Cut Tape

€1.35

€0.989

€0.894

€0.794

Reel

€0.662

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Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators Buck Conv Intgtd FET 0.5A 1ch; 6V-24V

BD9G102G-LBTR
ROHM Semiconductor
1: €1.35
7,183In Stock
9,000Expected 14/08/2026

Mfr. Part No.
BD9G102G-LBTR

Mouser Part No
755-BD9G102G-LBTR

ROHM Semiconductor

Switching Voltage Regulators Buck Conv Intgtd FET 0.5A 1ch; 6V-24V

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Datasheet

Product Comments

7,183In Stock

9,000Expected 14/08/2026

Cut Tape

€1.35

€0.998

€0.903

€0.798

Reel

€0.637

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MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators Power Supply IC T/R

BD9161FVM-LBTR
ROHM Semiconductor
1: €1.75
2,994In Stock
NRND

Mfr. Part No.
BD9161FVM-LBTR

Mouser Part No
755-BD9161FVM-LBTR

NRND

ROHM Semiconductor

Switching Voltage Regulators Power Supply IC T/R

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Datasheet

2,994In Stock

Cut Tape

€1.75

€1.72

€1.57

€1.48

Reel

View

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Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9326EFJ-E2
ROHM Semiconductor
1: €1.37
1,315In Stock

Mfr. Part No.
BD9326EFJ-E2

Mouser Part No
755-BD9326EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

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Datasheet

1,315In Stock

Cut Tape

€1.37

€1.01

€0.912

€0.808

Reel

€0.678

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators 7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter

BD9E300UEFJ-LBH2
ROHM Semiconductor
1: €4.35
250In Stock

Mfr. Part No.
BD9E300UEFJ-LBH2

Mouser Part No
755-BD9E300UEFJ-LBH2

ROHM Semiconductor

Switching Voltage Regulators 7.0V to 36V Input, 2.5A Integrated MOSFET Single Synchronous Buck DC/DC Converter

Learn More

Datasheet

250In Stock

Cut Tape

€4.35

€3.31

€3.05

€2.77

Reel

€2.62

View

Min.: 1
Mult.: 1

: 250

Switching Controllers 60V Synchronous Step-down Regulator

BD9611MUV-E2
ROHM Semiconductor
1: €2.31
1,134In Stock
2,500Expected 26/01/2027

Mfr. Part No.
BD9611MUV-E2

Mouser Part No
755-BD9611MUV-E2

ROHM Semiconductor

Switching Controllers 60V Synchronous Step-down Regulator

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Datasheet

1,134In Stock

2,500Expected 26/01/2027

Cut Tape

€2.31

€1.69

€1.56

€1.28

View

Reel

€0.939

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9873CP-V5E2
ROHM Semiconductor
1: €1.54
260In Stock
500Expected 08/10/2026

Mfr. Part No.
BD9873CP-V5E2

Mouser Part No
755-BD9873CP-V5E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

Learn More

Datasheet

260In Stock

500Expected 08/10/2026

Cut Tape

€1.54

€1.14

€1.03

€0.92

Reel

€0.847

View

Min.: 1
Mult.: 1

: 500

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

BD9874CP-V5E2
ROHM Semiconductor
1: €1.74
387In Stock

Mfr. Part No.
BD9874CP-V5E2

Mouser Part No
755-BD9874CP-V5E2

ROHM Semiconductor

Switching Voltage Regulators IC Pwr Swtch Reg Integrated FET

Learn More

Datasheet

387In Stock

Cut Tape

€1.74

€1.28

€1.17

€1.04

Reel

€0.929

View

Min.: 1
Mult.: 1

: 500

Switching Voltage Regulators 2.7V-5.5V 6A MOSFET Sngl Sync Buck Conv

BD9A600MUV-E2
ROHM Semiconductor
1: €1.01
980In Stock
21,000On Order

Mfr. Part No.
BD9A600MUV-E2

Mouser Part No
755-BD9A600MUV-E2

ROHM Semiconductor

Switching Voltage Regulators 2.7V-5.5V 6A MOSFET Sngl Sync Buck Conv

Learn More

Datasheet

980In Stock

21,000On Order

Cut Tape

€1.01

€0.726

€0.656

€0.58

Reel

€0.49

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

BD9E100FJ-LBGH2
ROHM Semiconductor
1: €3.04
100In Stock
250Expected 02/12/2026

Mfr. Part No.
BD9E100FJ-LBGH2

Mouser Part No
755-BD9E100FJ-LBGH2

ROHM Semiconductor

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

Learn More

Datasheet

100In Stock

250Expected 02/12/2026

Cut Tape

€3.04

€2.30

€2.11

€1.90

Reel

€1.79

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

BD9E101FJ-LBGH2
ROHM Semiconductor
1: €3.04
139In Stock

Mfr. Part No.
BD9E101FJ-LBGH2

Mouser Part No
755-BD9E101FJ-LBGH2

ROHM Semiconductor

Switching Voltage Regulators Ind Buck Sync 7-36V w/ Integrated FET

Learn More

Datasheet

139In Stock

Cut Tape

€3.04

€2.30

€2.11

€1.90

Reel

€1.78

View

MouseReel Available

Min.: 1
Mult.: 1

: 250

Switching Voltage Regulators 7-26V; 1A MOSFET S. Sync Buck DC/DC

BD9E104FJ-E2
ROHM Semiconductor
1: €0.929
38In Stock
2,500Expected 29/10/2026

Mfr. Part No.
BD9E104FJ-E2

Mouser Part No
755-BD9E104FJ-E2

ROHM Semiconductor

Switching Voltage Regulators 7-26V; 1A MOSFET S. Sync Buck DC/DC

Learn More

Datasheet

38In Stock

2,500Expected 29/10/2026

Cut Tape

€0.929

€0.667

€0.603

€0.531

Reel

€0.442

View

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators 7-28V 3A Int MOSFET Buck DC/DC Conv IC

BD9E302EFJ-E2
ROHM Semiconductor
1: €0.972
2,086In Stock
17,500On Order

Mfr. Part No.
BD9E302EFJ-E2

Mouser Part No
755-BD9E302EFJ-E2

ROHM Semiconductor

Switching Voltage Regulators 7-28V 3A Int MOSFET Buck DC/DC Conv IC

Learn More

Datasheet

2,086In Stock

17,500On Order

Cut Tape

€0.972

€0.70

€0.633

€0.558

View

Reel

€0.449

MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators High Eff. Stepdown Sw Reg 2A 4.5-13.2V

BD9141MUV-E2
ROHM Semiconductor
1: €3.44
52In Stock

Mfr. Part No.
BD9141MUV-E2

Mouser Part No
755-BD9141MUV-E2

ROHM Semiconductor

Switching Voltage Regulators High Eff. Stepdown Sw Reg 2A 4.5-13.2V

Learn More

Datasheet

52In Stock

Cut Tape

€3.44

€2.57

€2.35

€2.11

Reel

€1.82

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MouseReel Available

Min.: 1
Mult.: 1

: 2,500

Switching Voltage Regulators 4.2-18V 100-800kHz 1 Chan Step-Up

BD9306AFVM-TR
ROHM Semiconductor
1: €1.40
691In Stock

Mfr. Part No.
BD9306AFVM-TR

Mouser Part No
755-BD9306AFVM-TR

ROHM Semiconductor

Switching Voltage Regulators 4.2-18V 100-800kHz 1 Chan Step-Up

Learn More

Datasheet

691In Stock

Cut Tape

€1.40

€1.03

€0.937

€0.827

Reel

€0.692

View

MouseReel Available

Min.: 1
Mult.: 1

: 3,000

BD9x Integrated MOSFET DC-DC Buck Converters

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BD9x Integrated MOSFET DC-DC Buck Converters

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