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DC DC Power Supply > Module Type > 25W~600W > 300W (4:1 input) > CHB300W
Power Supply CHB300W
Features : * 300W Isolated Output
* Efficiency to 92%
* Fixed Switching Frequency
* Input Under Voltage Protection
* Over Temperature Protection
* Over Voltage/Current Protection
* Remote On/Off
* Industry Standard Half-Brick Package
* Fully Isolated 1500VDC
* CE Mark Meets 2004/108/EC
* Safety Meets UL60950-1, EN60950-1 and IEC60950-1
Model No. : CHB300W
Input Voltage Range (24V) 9-36V
(48V) 18-75V
Input Surge Voltage (24V) 50Vdc max.
(48V) 100Vdc max.
Voltage Accuracy ±1.5% max.
Short Circuit Protection Continuous
Efficiency See Table
Operating Case Temperature -40°C to 100°C
Storage temperature -55C ~ +105C
MTBF MIL-HDBK-217F, GB, 25°C, Full Load---600Khrs typ.
Case Material Aluminum Baseplate with Plastic Case
Dimensions 57.9x61.0x12.7 mm
Weight 114g
300 WATT 4:1 INPUT RANGE DC-DC CONVERTERS
Model No.

Input Voltage (VDC)

Output Voltage (VDC) Output Current (A) INPUT CURRENT (mA) % EFF.
(2) (3)
CHB300W-24S05 9-36 5 60 14120 88 88.5
CHB300W-24S12 12 25 13740 91 91
CHB300W-24S15 15 20 13740 91 91
CHB300W-24S24 24 12.5 14200

88

88
CHB300W-24S28 28 10.7 14120

88.5

88.5
CHB300W-24S48 48 6.25 14200 88 88
CHB300W-48S05 18-75 5 60 6940 89 90
CHB300W-48S12 12 25 6940 92 90
CHB300W-48S24 15 20 6800 92 92
CHB300W-48S24 24 12.5 6980 90 89
CHB300W-48S28 28 10.7 6940 91 89.5
CHB300W-48S48 48 6.25 7020 90 89
 
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--- E-Star Power Development Co., Ltd. & E-Shin Power International Co., Ltd.