09 March 2021

Mechanical Details

DSF/FSO

Models & Ratings

2.41 (61.2)

0.508

(12.9)

Customer mounting holes

ø3.2mm - 4 places

0.20

(5.0)

0.43

(10.9)

1.02

(25.9)

1.25

(31.8)

0.82

(20.9)

0.20

(5.1)

2.21 (56.1)

0.63

(15.9)

-VIN

-VOUT

INH

DIS

+VOUT

+VIN

0.24 (6.2) ±0.04 (1.0)

0.75

(19.20)

1.45

(36.8)

0.15

(3.9)

0.75

(18.9)

1.06

(26.9)

0.19

(4.9)

Ø 0.13 (3.2)

in 2 places

1.37 (34.9)

0.19

(4.9)

0.51

(12.9)

0.71

(17.9)

0.90

(22.9)

1.10

(27.9)

DIS

+VOUT

-VIN

+VIN

INH

-VOUT

1.25

(31.9)

1.57 (39.9)

0.75

(19.2)

0.508

(12.9)

-VIN

-VIN

-VOUT

-VOUT

INH

DIS

+VOUT

+VOUT

+VIN

+VIN

0.18

(4.7)

0.65

(16.4)

0.84

(21.4)

2.09

(53.2)

0.18

(4.7)

Ø 0.13 (3.2) in 4 places

2.09 (53.2)

+VOUT

+VOUT

-VIN

-VIN

+VIN

+VIN

-VOUT

-VOUT

0.45

(11.4)

1.43

(36.4)

1.63

(41.4)

0.65

(16.4)

1.04

(26.4)

1.24

(31.4)

1.63

(41.4)

1.83

(46.4)

0.19

(4.7)

2.09

(53.2)

0.19

(4.7)

2.09

(53.2)

Mounting holes 0.126 (3.2)

4 places

2.28

(57.9)

2.28 (57.9)

0.45

(11.4)

1.63

(41.4)

1.83

(46.4)

0.64

(16.4)

2.28

(57.9)

0.75

(19.2)

0.508

(12.9)

2.28 (57.9)

0.75

(19.2)

0.508

(12.9)

DSF200LV - Surge protection and filter

DSF100 - Surge protection and filter

DSF500 - Surge protection

FSO461 - Filter

Notes

Notes

1. For input voltages above 18 V, maximum load is 500 W.

2. FSO461 has filter circuitry only. To be used with DSF500 for conducted

immunity compliance.

3. DSF500 has surge protection only. To meet stated EMC performance it must be

used with FSO461.

Output Power

Input Voltage

Output

Typical Efficiency

Model Number

Voltage

Max Current

100 W

10-33 VDC

<36 VDC

3.7 A

98%

DSF100

30 - 54 W

10-18 VDC

<36 VDC

3.0 A

92%

DSF200 LV

126 - 230 W

18-33 VDC

<36 VDC

7.0 A

93%

280 - 500 W

10-33 VDC

<36 VDC

28.0 A(1)

98%

DSF500(3)

500 W

0-100 VDC

Vin -

Iin x 0.013

28.0 A

99%

FSO461(2)

1. All dimensions in inches (mm).

2. Weights: DSF100: 0.11 lbs (50 g)

DSF200LV: 0.18 lbs (80 g)

DSF500: 0.36 lbs (160 g)

FSO461: 0.36 lbs (160 g)

3. Tolerance ±0.011 (±0.3). If using multiple modules, please consider variations

in module tolerances.

4. Pin diameter 0.04 (1.0)

5. Pin Material: Copper - tin alloy

Finish: 2.5 μ copper and 2.5 μ Sn (tin)