Fixed Input, Unregulated single Output DC DC Converter WRFxxxxH Series
Product Category: High Isolation Anti-surge and Anti-static DC-DC
Input: 5,12,15,24,etc Output: 5,9,12,etc
Power: 0.1,0.25,0.5,0.75,1,2,3 Isolation Voltage: 3000
Package: SIP Traffic Watch: times
Remarks:
Product Description
Features:
● Low cost, small size.
● high power density. 
●3KV high galvantic isolation. 
● No heat sink required.
● Fixed input, signle output voltage.
● Rated 0.1W-2W output
● industrial standard pin-out
● PCB Mounted type.
● Short circuit protection
 
Applications:
● Electric Power System, Power monitoring,voltage conversion.
● dual power isolation in digital communication ports of RS232/485, CAN bus. 
● power supply isolation in intelligent control, security equipments, telecom,etc.
● safety isolation in ground loop elimination, medical equipments and instrument. 
● Isolation & power supply for analogue electric circuit ( Transmitter & sensors). 
● Power supply isolation & transfer for safety monitoring and smart building system. 
● Ground loop interference control. 
● Battery power supply, voltage transfer, power distribution. 
● PLC, DCS,PC isolation regulated power supply.
●Specialy for electrical power RS485 communication isolation electric load management terminal.
●RS485/RS232/RS422/USB/IEEE1394 interface.
●Isolation static(>8KV)
 
SUNYUAN DC-DC Converters Application Guide

Specification:

OUTPUT SPECIFICATIONS                                             

Items:

Testing condition

Min

Typ

Max

Output accuracy:

 full load from 0-100%

±2%

Output power:

2W

Line regulation:

Input voltage from low to full load

+/- 0,5 % max.,  (3.3 VDC output +/- 1 % max )

Load regulation:

No load to full load

+/- 0,5 % typ., +/- 1 % max.

Ripple and noise:

20MHz BW

30mVp-p

Temperature drift:

±0.02 %/°C

Minimum load

10%

Switching frequency

60K HZ

Short circuit protection

Continuous >30seconds, Automatic Recovery

 

 

INPUT SPECIFICATIONS

Items:

Testing condition

Min

Typ

Max

Input voltage range

5VDC nominal input

4.75-5.25VDC

12VDC nominal input

  10.8-13.2VDC 

15VDC nominal input

13.5-16.5VDC

24VDC nominal input

21.6-26.4VDC

Filter

Ceramic Capacitors

 

 

COMMON SPECIFICATIONS

Items

Min

Typ.

Max

Operating temperature range

-25°C

+71°C

Storage temperature range

-55°C

+105°C

Humidity

<90%

Cooling

Free Air Convection

Isolation voltage (VDC)

Input to Output

3,000

Isolation resistance (ohms)

109

Isolation capacitance (pF)

60

Leak Current

1mA

Efficiency (%)

See Product List

68

75

Case material

Non-conductive black plastic

Potting material

Epoxy Resin UL94-V0

Packing material

Tube

Dimension (mm / inch)

 SIP:19.60*6.00*10.00 (0.77*0.23*0.39)

DIP:20.40*10.0*8.20  (0.80*0.39*0.32)

Weight (g)

10

MTBF (Hrs)

>1,000,000

Typcial Connection Diagram:

Dimension and PIN Definition:
 

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