DC/DC Converters - Through Hole

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MHFS3 / MHFW3 3W Isolated DC-DC Converters

Cosel MHFS3 / MHFW3 3W Isolated DC-DC Converters are single- and dual-output devices in a standard SIP8 footprint that provides 2xMOOP for medical electrical equipment. The series features 3KV_AC I/O isolation voltage, built-in remote on/off, and adjustable external output voltage. Cosel MHF DC-DC converters include multiple safety-agency approvals and come with a five-year warranty.

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Part #

DC/DC Converters - Through Hole 2.97W 18-76Vin 9V 0.33A SIP

MHFS34809
Cosel
1: $26.29
14In Stock

Mfr. Part #
MHFS34809

Mouser Part #
436-MHFS34809

Cosel

DC/DC Converters - Through Hole 2.97W 18-76Vin 9V 0.33A SIP

Learn More

Datasheet

14In Stock

$26.29

$25.32

$24.91

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

2.97 W

18 V

76 V

9 V

330 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 4.5-18Vin 15V .2A SIP

MHFS31215
Cosel
1: $25.35
23In Stock

Mfr. Part #
MHFS31215

Mouser Part #
436-MHFS31215

Cosel

DC/DC Converters - Through Hole 3W 4.5-18Vin 15V .2A SIP

Learn More

Datasheet

23In Stock

$25.35

$24.41

$24.01

$21.74

View

Min.: 1
Mult.: 1

Isolated

1 Output

3 W

4.5 V

18 V

15 V

200 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 2.64W 4.5-18Vin 3.3V 0.8A SIP

MHFS3123R3
Cosel
1: $25.78
5In Stock

Mfr. Part #
MHFS3123R3

Mouser Part #
436-MHFS3123R3

Cosel

DC/DC Converters - Through Hole 2.64W 4.5-18Vin 3.3V 0.8A SIP

Learn More

Datasheet

5In Stock

$25.78

$25.08

$24.93

$24.65

View

Min.: 1
Mult.: 1

Isolated

1 Output

2.64 W

4.5 V

18 V

3.3 V

800 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 2.97W 9-36Vin 9V 0.33A SIP

MHFS32409
Cosel
1: $25.78
12In Stock

Mfr. Part #
MHFS32409

Mouser Part #
436-MHFS32409

Cosel

DC/DC Converters - Through Hole 2.97W 9-36Vin 9V 0.33A SIP

Learn More

Datasheet

12In Stock

$25.78

$24.93

$24.65

$24.38

View

Min.: 1
Mult.: 1

Isolated

1 Output

2.97 W

9 V

36 V

9 V

330 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 2.64W 9-36Vin 3.3V 0.8A SIP

MHFS3243R3
Cosel
1: $25.78
5In Stock

Mfr. Part #
MHFS3243R3

Mouser Part #
436-MHFS3243R3

Cosel

DC/DC Converters - Through Hole 2.64W 9-36Vin 3.3V 0.8A SIP

Learn More

Datasheet

5In Stock

$25.78

$24.90

$24.69

$24.41

View

Min.: 1
Mult.: 1

Isolated

1 Output

2.64 W

9 V

36 V

3.3 V

800 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 18-76Vin 5V 0.6A SIP

MHFS34805
Cosel
1: $26.29
4In Stock
3Expected 9/2/2026

Mfr. Part #
MHFS34805

Mouser Part #
436-MHFS34805

Cosel

DC/DC Converters - Through Hole 3W 18-76Vin 5V 0.6A SIP

Learn More

Datasheet

4In Stock

3Expected 9/2/2026

$26.29

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

3 W

18 V

76 V

5 V

600 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 18-76Vin 12V .25A SIP

MHFS34812
Cosel
1: $25.56
3In Stock

Mfr. Part #
MHFS34812

Mouser Part #
436-MHFS34812

Cosel

DC/DC Converters - Through Hole 3W 18-76Vin 12V .25A SIP

Learn More

Datasheet

3In Stock

$25.56

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

3 W

18 V

76 V

12 V

250 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 18-76Vin 15V 0.2A SIP

MHFS34815
Cosel
1: $25.56
20In Stock

Mfr. Part #
MHFS34815

Mouser Part #
436-MHFS34815

Cosel

DC/DC Converters - Through Hole 3W 18-76Vin 15V 0.2A SIP

Learn More

Datasheet

20In Stock

$25.56

$24.61

$24.21

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

3 W

18 V

76 V

15 V

200 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 2.64W 18-76Vin 3.3V 0.8A SIP

MHFS3483R3
Cosel
1: $25.56
17In Stock

Mfr. Part #
MHFS3483R3

Mouser Part #
436-MHFS3483R3

Cosel

DC/DC Converters - Through Hole 2.64W 18-76Vin 3.3V 0.8A SIP

Learn More

Datasheet

17In Stock

$25.56

$24.76

$24.26

$23.38

View

Min.: 1
Mult.: 1

Isolated

1 Output

2.64 W

18 V

76 V

3.3 V

800 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 4.5-18Vin 6W 15V 0.4A

MHFS61215
Cosel
1: $37.14
6In Stock

Mfr. Part #
MHFS61215

Mouser Part #
436-MHFS61215

Cosel

DC/DC Converters - Through Hole 4.5-18Vin 6W 15V 0.4A

Learn More

Datasheet

6In Stock

$37.14

$36.41

$36.40

$36.15

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

4.5 V

18 V

15 V

400 mA

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 9-36Vin 6W 5V 1.2A

MHFS62405
Cosel
1: $37.14
2In Stock
12Expected 9/11/2026

Mfr. Part #
MHFS62405

Mouser Part #
436-MHFS62405

Cosel

DC/DC Converters - Through Hole 9-36Vin 6W 5V 1.2A

Learn More

Datasheet

2In Stock

12Expected 9/11/2026

$37.14

$36.41

$36.40

$36.15

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

9 V

36 V

5 V

1.2 A

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 9-36Vin 5.94W 9V 0.66A

MHFS62409
Cosel
1: $38.37
1In Stock

Mfr. Part #
MHFS62409

Mouser Part #
436-MHFS62409

Cosel

DC/DC Converters - Through Hole 9-36Vin 5.94W 9V 0.66A

Datasheet

1In Stock

$38.37

$38.36

$37.85

$37.51

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

4.5 V

18 V

9 V

660 mA

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 9-36Vin 6W 12V 0.5A

MHFS62412
Cosel
1: $36.45
1In Stock
7Expected 11/4/2026

Mfr. Part #
MHFS62412

Mouser Part #
436-MHFS62412

Cosel

DC/DC Converters - Through Hole 9-36Vin 6W 12V 0.5A

Learn More

Datasheet

1In Stock

7Expected 11/4/2026

$36.45

$36.41

$36.40

$36.15

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

9 V

36 V

12 V

500 mA

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 9-36Vin 6W 15V 0.4A

MHFS62415
Cosel
1: $37.14
27In Stock

Mfr. Part #
MHFS62415

Mouser Part #
436-MHFS62415

Cosel

DC/DC Converters - Through Hole 9-36Vin 6W 15V 0.4A

Learn More

Datasheet

27In Stock

$37.14

$35.57

$35.23

$34.79

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

9 V

36 V

15 V

400 mA

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 18-76Vin 6W 12V 0.5A

MHFS64812
Cosel
1: $37.14
10In Stock

Mfr. Part #
MHFS64812

Mouser Part #
436-MHFS64812

Cosel

DC/DC Converters - Through Hole 18-76Vin 6W 12V 0.5A

Learn More

Datasheet

10In Stock

$37.14

$36.23

$36.15

$35.81

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

18 V

76 V

12 V

500 mA

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 18-76Vin 6W 15V 0.4A

MHFS64815
Cosel
1: $37.14
18In Stock

Mfr. Part #
MHFS64815

Mouser Part #
436-MHFS64815

Cosel

DC/DC Converters - Through Hole 18-76Vin 6W 15V 0.4A

Learn More

Datasheet

18In Stock

$37.14

$36.41

$36.40

$36.15

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

18 V

76 V

15 V

400 mA

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 18-76Vin 5.28W 3.3V 1.6A

MHFS6483R3
Cosel
1: $37.14
8In Stock

Mfr. Part #
MHFS6483R3

Mouser Part #
436-MHFS6483R3

Cosel

DC/DC Converters - Through Hole 18-76Vin 5.28W 3.3V 1.6A

Learn More

Datasheet

8In Stock

$37.14

$36.41

$36.40

$36.15

View

Min.: 1
Mult.: 1

Isolated

1 Output

6 W

18 V

76 V

3.3 V

1.6 A

3 kV

SIP-8

26 mm (1.024 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Medical

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 4.5-18Vin +/-15V or 30V 0.1A SIP

MHFW31215
Cosel
1: $25.56
3In Stock

Mfr. Part #
MHFW31215

Mouser Part #
436-MHFW31215

Cosel

DC/DC Converters - Through Hole 3W 4.5-18Vin +/-15V or 30V 0.1A SIP

Learn More

Datasheet

3In Stock

$25.56

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

2 Output

3 W

4.5 V

18 V

15 V

100 mA

- 15 V

100 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 9-36Vin +/-15V or 30V 0.1A SIP

MHFW32415
Cosel
1: $25.56
17In Stock

Mfr. Part #
MHFW32415

Mouser Part #
436-MHFW32415

Cosel

DC/DC Converters - Through Hole 3W 9-36Vin +/-15V or 30V 0.1A SIP

Learn More

Datasheet

17In Stock

$25.56

$25.32

$24.91

$23.88

View

Min.: 1
Mult.: 1

Isolated

2 Output

3 W

9 V

36 V

15 V

100 mA

- 15 V

100 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 9-36Vin 5V 0.6A SIP

MHFS32405
Cosel
1: $25.77
103Expected 12/21/2026

Mfr. Part #
MHFS32405

Mouser Part #
436-MHFS32405

Cosel

DC/DC Converters - Through Hole 3W 9-36Vin 5V 0.6A SIP

Learn More

Datasheet

103Expected 12/21/2026

$25.77

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

3 W

9 V

36 V

5 V

600 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3.12W 9-36Vin +/-12V or 24V 0.13A SIP

MHFW32412
Cosel
1: $25.77
27On Order

Mfr. Part #
MHFW32412

Mouser Part #
436-MHFW32412

Cosel

DC/DC Converters - Through Hole 3.12W 9-36Vin +/-12V or 24V 0.13A SIP

Learn More

Datasheet

27On Order

$25.77

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

2 Output

3.12 W

9 V

36 V

12 V

130 mA

- 12 V

130 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3.12W18-76Vin +/-12V or 24V 0.13A SIP

MHFW34812
Cosel
1: $23.35
2Expected 1/19/2027

Mfr. Part #
MHFW34812

Mouser Part #
436-MHFW34812

Cosel

DC/DC Converters - Through Hole 3.12W18-76Vin +/-12V or 24V 0.13A SIP

Learn More

Datasheet

2Expected 1/19/2027

$23.35

$22.59

$22.21

$21.74

View

Min.: 1
Mult.: 1

Isolated

2 Output

3.12 W

18 V

76 V

12 V

130 mA

- 12 V

130 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 4.5-18Vin 5V 0.6A SIP

MHFS31205
Cosel
1: $25.77
Non-Stocked Lead-Time 24 Weeks

Mfr. Part #
MHFS31205

Mouser Part #
436-MHFS31205

Cosel

DC/DC Converters - Through Hole 3W 4.5-18Vin 5V 0.6A SIP

Learn More

Datasheet

Non-Stocked Lead-Time 24 Weeks

$25.77

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

3 W

4.5 V

18 V

5 V

600 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 2.97W 4.5-18Vin 9V 0.33A SIP

MHFS31209
Cosel
1: $25.77
Lead-Time 24 Weeks

Mfr. Part #
MHFS31209

Mouser Part #
436-MHFS31209

Cosel

DC/DC Converters - Through Hole 2.97W 4.5-18Vin 9V 0.33A SIP

Learn More

Datasheet

Lead-Time 24 Weeks

$25.77

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

2.97 W

4.5 V

18 V

9 V

330 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

DC/DC Converters - Through Hole 3W 4.5-18Vin 12V 0.25A SIP

MHFS31212
Cosel
1: $25.77
Lead-Time 24 Weeks

Mfr. Part #
MHFS31212

Mouser Part #
436-MHFS31212

Cosel

DC/DC Converters - Through Hole 3W 4.5-18Vin 12V 0.25A SIP

Learn More

Datasheet

Lead-Time 24 Weeks

$25.77

$24.81

$24.41

$23.88

View

Min.: 1
Mult.: 1

Isolated

1 Output

3 W

4.5 V

18 V

12 V

250 mA

4.2 kV

SIP-8

22 mm (0.866 in)

12 mm (0.472 in)

9.5 mm (0.374 in)

Industrial

+ 85 C

- 40 C

MHFS3 / MHFW3 3W Isolated DC-DC Converters

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