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

Specifications subject to change without notice.

LD12-20BXX

A/2-2012

Page2 of 5

LD12-20B03

10000

LD12-20B05

10000

LD12-20B12

5400

LD12-20B15

2700

Maximum capacitive load (

µF)

LD12-20B24

1500

COMMON SPECIFICATIONS

Operating

-40℃～+70℃

(55℃～70)

℃

3.3% / ℃

Power derating

(-40℃～0)

℃

1% / ℃

Storage

-40℃～+105℃

Temperature ranges

Case temperature

+90

max

℃

(Vin=230VAC)

50ms(typ)

Hold-up time

(Vin=115VAC)

10ms(typ)

Humidity

95%(max)

Temperature coefficient

±0.02%/℃

Switching frequency

100KHz(typ)

I/O-isolation voltage

4000VAC/1Min

CE

CISPR22/EN55022, CLASS B(without external circuit)

EMI

RE

CISPR22/EN55022, CLASS B(without external circuit)

ESD

IEC/EN 61000-4-2

Contact

±6KV /Air ±8KV

perf. Criteria B

RS

IEC/EN 61000-4-3

10V/m

perf. Criteria A

EFT

IEC/EN 61000-4-4

±4KV(without external circuit)

perf. Criteria B

IEC/EN 61000-4-5

±2KV(without external circuit)

perf. Criteria B

Surge

IEC/EN 61000-4-5

±4KV/±6KV

(with typical applications Figure 3)

perf. Criteria B

CS

IEC/EN61000-4-6

10 Vr.m.s

perf. Criteria A

PFM

IEC/EN61000-4-8

10A/m

perf. Criteria A

EMC

EMS

Voltage dips、short and

interruptions immunity

IEC/EN61000-4-11

0%-70%

perf. Criteria B

Safety standards

IEC60950/EN60950/UL60950

Safety approvals

EN60950/UL60950

Safety class

CLASS Ⅱ

Case material

UL94V-0

Install

PCB mounting,

Chassis mounting with Screw Terminals,

DIN-Rail mounting

Cooling

Free air convection

MTBF

>300,000H @25℃

Package

PCB mounting

Chassis mounting with Screw Terminals

DIN-Rail mounting

53.8x28.8x23.5mm

96.1X54.0X32.0mm

96.1X54.0X36.6mm

Weight

60g(PCB mounting)

110g(Chassis mounting with Screw Terminals)

150g(DIN-Rail mounting)

Note:

1.

Ripple and Noise were measured by the method of anear measure;

2.

All specifications measured at Ta=25

°C, humidity<75%, nominal input voltage and rated output load unless otherwise specified.

PARALLEL LINES MEASURE

AC-DC

+Vo

-Vo

FUSE

L

N

25 . 4 mm

2 5 . 4 mm

C1

C2

1 2 . 7 mm

Co pp er she et

C on ne ct

Osc illo gra ph Pro be

Load

L

N

C1: 1

μF (ceramic capacitor)

C2: 10

μF (electrolytic capacitor)