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belfuse.com/power-solutions

BCD.00791 Rev. AN, 10-Aug-2021

Page 4 of 18

RCM Series

150 / 300 W DC-DC Converters

© 2021 Bel Power Solutions & Protection

Electrical Input Data

General conditions:

- T

Table 2a: Input data of RCM150 models

Model

24RCM150

110RCM150

Unit

Characteristics

Conditions

min

typ

max

min

typ

max

V

i cont

Operating input voltage continuous

I

T

16.8

(24)

45.0

50.4

(110)

137.5

V

V

i 2s

for ≤ 2 s

without shutdown

14.4

52.5

43.2

154

V

i nom

Nominal input voltage

24, (36)

(72), (96), 110

V

i abs

Input voltage limits

3 s without damage

0

55

0

165

I

i

Typical input current

V

6.8

1.5

A

P

i 0

No-load input power

V

2.5

4

6

W

P

i SD

Idle input power

V

0.7

1.5

1.5

C

i

40

10

µF

R

i

Input resistance

100

100

mΩ

I

inr p

Peak inrush current

V

75

100

A

t

inr d

Duration of inrush current

0.5

0.5

ms

t

on

Start-up time

0 → V

1000

1000

Start-up time after removal of shutdown

V

V

300

300

Table 2b: Input data of RCM300 models

Model

24RCM300

110RCM300

Unit

Characteristics

Conditions

min

typ

max

min

typ

max

V

i cont

Operating input voltage continuous

I

T

16.8

(24)

45.0

50.4

(110)

137.5

V

V

i 2s

for ≤ 2 s

without shutdown

14.4

52.5

43.2

154

V

i nom

Nominal input voltage

24, (36)

(72), (96), 110

V

i abs

Input voltage limits

3 s without damage

0

55

0

165

I

i

Typical input current

V

13.9

A

P

i 0

No-load input power

V

4

6

6

W

P

i SD

Idle input power

V

1.5

1.5

C

i

6

12

µF

R

i

Input resistance

140

140

mΩ

I

inr p

Peak inrush current

V

120

150

A

t

inr d

Duration of inrush current

0.5

0.5

ms

t

on

Start-up time

0 → V

1000

1000

Start-up time after removal of shutdown

V

V

300

300

1

Not smoothed by the inrush current limiter at start-up (for inrush current calculation)

2

Typ. value at V