DC/DC Converter

URF_LP-10WR3 Series

2014.07.14-A/0

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10W,Ultra wide input isolated & regulated

DC-DC converter

FEATURES

Wide range of input voltage (4:1)

Efficiency up to87%

No-load power consumption as low as 0.2W

Isolation voltage :3K VDC

Operating temperature range: -40℃ to +85℃

Input

under-voltage

protection,

output

over-voltage protection, short circuit protection,

output over-current protection

Meet CISPR22/EN55022 CLASS A

International standard pin-out

A2S (wring mounting) and A4S (TS35 rail mounting)

products featuring anti-reverse

connection for

input

URF_LP-10WR3 series products are of 10W output power, extremely wide range of voltage input of 9-36VDC, 18-75VDC, isolation voltage of

3000VDC, Input under-voltage protection, output over-voltage protection 、 output short circuit protection and output over-current

protection

with the bare component in compliance with CISPR22/EN55022 CLASS A; these products are widely used in fields such as

industrial control, electric power, instruments and communication.

Selection Guide

Input Voltage (VDC)

Output

@ Full Load

Max. Capacitive

Load(μF)

Nominal

(Range)

Output Voltage

(VDC)

Output Current (mA)

(Max./Min.)

URF2403LP-10WR3

24

(9-36)

40

3.3

2400/120

77/79

5400

URF2405LP-10WR3

5

2000/100

80/82

5400

URF2409LP-10WR3

9

1111/56

83/85

680

URF2412LP-10WR3

12

833/42

84/86

470

URF2415LP-10WR3

15

667/33

85/87

330

URF2424LP-10WR3

24

416/21

85/87

100

URF4803LP-10WR3

48

(18-75)

80

3.3

2400/120

77/79

5400

URF4805LP-10WR3

5

2000/100

80/82

5400

URF4812LP-10WR3

12

833/42

84/86

470

URF4815LP-10WR3

15

667/33

85/87

330

URF4824LP-10WR3

24

416/21

85/87

100

Notes：

①

Part No. with suffix of “A2S” means chassis mounting and suffix of “A4S” means DIN-Rail mounting (e.g. URF2405LP-10WR3A2S means chassis mounting;

URF2405LP-10WR3A4S means DIN-Rail mounting);

②

Absolute maximum rating without damage on the converter, but it isn't recommended;

③

Efficiency is measured In nominal input voltage and rated output load;A2S (wiring) and A4S (rail) Model due to input reverse polarity protection, minimum

efficiency greater than Min.-2 is qualified.

Input Specifications

Item

Operating Conditions

Min.

Typ.

Max.

Unit

Input Current (full load / no-load)

24VDC input

--

508/5

--

mA

48VDC input

--

254/4

--

Reflected Ripple Current

24VDC input

--

40--

48VDC input

--

30

--

Input impulse Voltage(1sec. max.)

24VDC input

-0.7

--

50

VDC

48VDC input

-0.7

--

100

Starting Voltage

24VDC input

--

--

9

48VDC input

--

--

18

Input under-voltage Protection

24VDC input

5.5

6.5

--

48VDC input

14.0

15.5

--