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

VRA_ZP-6WR2 & VRB_ZP-6WR2

2013.12.02-A/2

Page 3 of5

EMS

RS

IEC/EN61000-4-3

10V/m

perf. CriteriaA

EFT

IEC/EN61000-4-4

±2KV

perf. CriteriaB （ External Circuit Refer to

Figure 1-①）

IEC/EN61000-4-4

±4KV

perf. CriteriaB （ External Circuit Refer to

Figure3）

Surge

IEC/EN61000-4-5

±2KV

perf. CriteriaB （ External Circuit Refer to

Figure 1-①or Figure3）

CS

IEC/EN61000-4-6

3 Vr.m.s

perf. CriteriaA

Voltage dips,short and interruptions

immunity

IEC/EN61000-4-29

0%-70%

perf. CriteriaB

EMC RECOMMENDED CIRCUIT

LDM2

②

C0

TVS

LDM1

MOV

FUSE

①

C1

V in

GND

+

Vin

GND

+Vo

-Vo

(0V)

EUT

LOAD

CY2

CY1

(Figure 1)

Parameters

Vin: 12V

Vin: 24V

Vin: 48V

FUSE

Choose according to practical input current

MOV

--

S10K35

S10K60

LDM1

--

56

μH

TVS

SMCJ28A

SMCJ48A

SMCJ90A

C0

680

μF/25V

120

μF/50V

120

μF/100V

C1

1

μF/50V

1

μF/100V

LDM2

4.7

μH

CY1

1nF/2000V

CY2

1nF/2000V

Note: 1.In Figure 1,part①is EMS Recommended external circuit, part②is EMI recommended external circuit. Choose according to requirements.

2.

If there is no recommended parameters, the model no require the external component.

EMC RECOMMENDED CIRCUIT PCB LAYOUT

DUAL

SINGLE

(Figure 2)

EMC MODULE RECOMMENDED CIRCUIT

E UT

GND

-Vo

+Vo

-Vin

+Vin

FT-A/ BX1D

Load

-Vo

(0 V)

+Vo

Vin

C

+

-Vin

+Vin

FU SE

Nominal Voltage<48V,C

≥330uF/50V

Nominal Voltage =48V,C

≥330uF/100V

FT-A/BX1D is MORNSUN

’s EFT suppresser

(Figure 3)