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

Page 12 of 18

RCM Series

150 / 300 W DC-DC Converters

© 2021 Bel Power Solutions & Protection

Electromagnetic Compatibility (EMC)

Electromagnetic Immunity

Table 6: Electromagnetic immunity (type tests). Corresponds or Exceeds EN50121-3-2:2016 and AREMA

Phenomenon

applied

Waveform

Source

imped.

Test procedure

In

oper.

Perf.

Electrostatic

discharge (to case)

IEC/EN

61000-4-2

4

contact discharge 6000 V

p

1/50 ns

330 Ω

150 pF

10 pos. & 10

neg. discharges

yes

A

air discharge

8000 V

p

Electromagnetic

field

IEC/EN

61000-4-3

x

antenna

20 V/m

AM 80% / 1 kHz

N/A

80 – 800 MHz

yes

A

antenna

20 V/m

AM 80% / 1 kHz

N/A

800 – 1000 MHz

yes

A

20 V/m

1400 – 2000 MHz

5 V/m

2000 – 2700 MHz

3 V/m

5100 – 6000 MHz

Electrical fast

transients/burst

IEC/EN

61000-4-4

3

capacitive, o/c

±2000 V

p

burstsof 5/50ns;

2.5/5 kHz over 15 ms;

burst period: 300 ms

50 Ω

60 s positive

60 s negative

transients per

coupling mode

yes

A

3

i/c, +i/–i

direct coupling

Surges

IEC/EN

61000-4-5

3

i/c

±2000 V

p

1.2 / 50 µs

42 Ω

0.5 μF 5 pos. & 5 neg.

surges per

coupling mode

yes

A

+i/–i

±1000 V

p

i/c, +i/–i

±2000 V

p

12 Ω

9 μF

B

Conducted

disturbances

IEC/EN

61000-4-6

3

i, o, signal wires

10 VAC

(140 dBµV) AM 80% / 1 kHz

150 Ω 0.15 – 80 MHz

yes

A

Power frequency

magnetic field

IEC/EN

61000-4-8

3

300 A/m

60 s in all 3 axis

yes

A

1

i = input, o = output, c = case

2

A = normal operation, no deviation from specs.; B = normal operation, temporary loss of function or deviation from specs possible