AC/DC Converter

LD12-20Bxx Series

2015.03.06-B/0

Page 2 of 7

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Temperature Drift Coefficient

--

±0.02

--

%/°C

Stand-by Power Consumption

--

--

0.3

W

Short Circuit Protection

Continuous, self-recovery

Over-current Protection

≥

110%Io self-recovery

Over-voltage Protection

Zener clamp diode

Min. Load

0--

--

%

Hold-up Time

115VAC input

--

24

--

ms

230VAC input

--

120

--

Note: *Parallel line test method is adopted to test the ripple and noise, please see

General Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Isolation Voltage

Input-output

Test time: 1min

4000

--

--

VAC

Operating Temperature

-25

--

+70

°C

Storage Temperature

-25

--

+105

Storage Humidity

--

--

95

%RH

Welding Temperature

Wave-soldering

260±5℃; time:5~10s

Manual-welding

360±10℃; time:3~5s

Switching Frequency

--

100

--

kHz

Power Derating

(+55℃~+70℃)

3.3

--

--

%/°C

(-25℃~0℃)

1--

--

Safety Standard

IEC60950/EN60950/UL60950

Safety-regulated Certification

EN60950/UL60950

Safety Class

CLASS I I

MTBF

MIL-HDBK-217F@25°C > 300,000 h

Physical Specifications

Casing Material

Black flame-retardant and heat-resistant plastic (UL94-V0)

Package

Dimensions

Horizontal package

53.80*28.80*23.50mm

A2 chassis package

96.10*54.00*32.00mm

A4 Din-Rail package

96.10*54.00*36.60mm

A2S chassis package

76.00*31.50*32.30mm

A4S Din-Rail package

76.00*31.50*36.90mm

Weight

Horizontal package/ A2 chassis package/ A4 Din-Rail

package/ A2S chassis package/ A4S Din-Rail package

60g/110g/150g/80g/100g(Typ.)

Cooling method

Free air convection

EMC Specifications

EMI

CE

CISPR22/EN55022, CLASS B

RE

CISPR22/EN55022, CLASS B

EMS

ESD

IEC/EN61000-4-2

±6KV /±8KV

Perf. Criteria B

RS

IEC/EN61000-4-3

10V/m

perf. Criteria A

EFT

IEC/EN61000-4-4

±4KV

perf. Criteria B

Surge

IEC/EN61000-4-5

±2KV

perf. Criteria B

IEC/EN61000-4-5

±4KV/6KV (See Fig. 2 for recommended circuit)

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

Immunities of voltage dip, drop and

short interruption

IEC/EN61000-4-11

0%-70%

perf. Criteria B