dc to ac converter
[ Typical performance ]
  • ◆ Mechanical Data  50.8X50.8X12.7mm
  • ◆ Wide Input voltage range(2:1)
  • ◆ Typical Efficiency 80%
  • ◆ Switching frequency 250KHz±30KHz
  • ◆  Short circuit protection,Self-furbish
  • ◆  Input-output isolate
  • ◆  PCB Board in-line type installs
  • ◆   Sine wave output
[ Temperature graph ]
dc to ac converter
[ Input ]
Input voltage range International standard DC voltage Nominal 24V 18~36Vdc  
  2:1 wide range input voltage Nominal 48V 36~72Vdc  
Remote (Positive logic control) ON High level or vacant 3.5Vdc~+Vin  
  OFF

Low level or connect ground

≤0.3Vdc  
Input undervoltage protection Lower than the low-input voltage protection ,Self-furbish
[ Output ]
Voltage accuracy   ±5Vac
Line regulation

Nominal Load,full voltage range

  ±0.5%
Load regulation 20% ~ 100% rated voltage   ±1%
Out undulance   sine wave  
Out frequency   25Hz ±3Hz
Total harmonic distortion   Nom:±2% Max:±5%
Voltage adjust   Non  
Turn-on delay time   Typical value 2S
[ General ]
Efficiency Nominal output,full load 80%(Typical)  
Switching frequency Nominal output,full load 250KHz(Typical)  
Operating temperature   Free air -20℃ ~ +55℃
Storage temperature   -40℃ ~ +105℃
Max case temperature   +90℃
Relative humidity 10%~90%
case material Metal case
Isolation Voltage input and output 500Vdc≤0.5mA/1Minute
  input and case 500Vdc≤0.5mA/1Minute
MTBF 200000Hrs
[ Product Nomination Method ]

Wide range input voltage: 2:1

Power convert mode (Ring generator)
Output Watt
Input voltage
S : Single output
Output voltage
[ Typical product tabulates ]
Output voltage / current
  • VO1
  • VO2
  • VO3
  • V
  • mA
  • V
  • mA
  • V
  • mA
WR10-24S75

24V(18~36V)
48V(36~72V)

75Vac 130
WR10-48S75 75Vac 130
[ Mechanical Date ]
[ Mechanical Date ]
Package Code L x W x H  unit:mm Package No
  50.80X50.80X12.70 200200RC
[ Pin Assignments ]
Pin No 1 2 3 4 5      
Single +Vin REM -Vin +Vout +Vout      
*Note:The power modules such as the definition of the pin does not match with the data sheet ,please refer to the actual item.