The copyright and authority for the interpretation of the products are reserved by MORNSUN

WRE_S-3WR2 & WRF_S-3WR2

2013.07.26-A/3

Page 4 of 7

SINGLE

(Figure 2)

Note: The pad space between input and output GND (CY) must

≥2mm.

EMC MODULE APPLICATION CIRCUIT

E UT

GND

C trl

-Vo

+Vo

-Vin

+Vin

FT- A /B X 1D

Lo ad

-Vo

(0V)

+Vo

Vin

Cd

D1

R

C t rl

C

+

-Vin

+Vin

FU SE

FT-A/BX1D is MORNSUN

’s EFT suppresser

For Nominal Voltage<48V, C

≥330uF/50V

For Nominal Voltage =48V, C

≥330uF/100V

(Figure 3)

EMC MODULE RECOMMENDED CIRCUIT PCB LAYOUT

DUAL

SINGLE

(Figure 4)

EMI TEST WAVEFORM (RECOMMENDED CIRCUIT REFER TO FIGURE 1-②)

WRE2415S-3WR2 CE(Class B, Positive line)

WRE2415S-3WR2 CE(Class B, Negative line)