B5WR-XXXXA/DA
B5WR4-XXXXA/DA
B5WR-XXXX/D     B5WR4-XXXX/D      
B5WR-XXXXC/DC
B5WR4-XXXXC/DC P5WR-XXXX/D
B7.5WR-XXXXAM/DAM


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Features:

■ 2:1 Wide Input Range.
■ 5W DIP-24 Package.
■ Input π Filter.

■ Internal SMD - design.

■ High Power Density in a DIP - 24 Package.

■ High Efficiency up to 86%.
■ UL94V-0 Package Material.
■ Continuous Short Circuit Protection, Auto-Restarting.
■ I/O-Isolation 2000Vdc min  .
■ Operating Temperature Range From -40°C to +75°C.
■Meet  CE EN-60950-1 Certified

Note: (1) Add "/H" after Order Code for isolation 4000Vdc min. 

           (2) Metal case could be selected with " M " after P/N

 

 

Description:

           The B5WR-xxxxA/DA series is a wide input voltage range of DC-DC converters offering a single

           and dual regulated output.24-pin DIP and high efficiency allows an operating temperature of 

           -40°C to +75°C

                                                                                                   

Selection Guide
P/N Input Range Output Voltage Output Current Efficiency Typ

B5WR-123.3A

B5WR-1205A/DA

B5WR-1209A/DA

B5WR-1212A/DA

B5WR-1215A/DA

9~18VDC

3.3

5 / ±5

9 / ±9

12 / ±12

15 / ±15

1200mA

1000mA / ±500mA

556mA / ±278mA

420mA / ±210mA

340mA / ±170mA

75%

79%

82%

84%

85%

B5WR-243.3A

B5WR-2405A/DA

B5WR-2409A/DA

B5WR-2412A/DA

B5WR-2415A/DA

18~36VDC

3.3

5 / ±5

9 / ±9

12 / ±12

15 / ±15

1200mA

1000mA / ±500mA

556mA / ±278mA

420mA / ±210mA

340mA / ±170mA

76%

80%

84%

85%

86%

B5WR-483.3A

B5WR-4805A/DA

B5WR-4809A/DA

B5WR-4812A/DA

B5WR-4815A/DA

36~72VDC

3.3

5 / ±5

9 /±9

12 / ±12

15 / ± 15

1200mA

1000mA / ±500mA

556mA / ±278mA

420mA / ±210mA

340mA / ±170mA

77%

81%

83%

84%

85%

Electrical Specifications
Input Filter                                                                                            π type.
Voltage set accuracy   MIN. TYP. MAX.
  ±1% ±2%
Line Regulation Low line to High line @ Max. load     0.3%
Load Regulation 20%~100% load     0.6%

Ripple & Noise

@ 20MHz  BW(Note 1 )

 Vin = Nominal Input     50mVp-p
Operating Temperature Vin = Nominal Input -40°C   +75°C
Storage Temperature   -50°C   +125°C
Short-Circuit Protection

Continuous , Auto-Restarting

Operating Frequency

(Pulse Frequency Modulation ,PFM)

VIN = Nominal Input

 120KHZ
Isolation Test Voltage Tested for 1 second Min MIN. TYP. MAX.
2000Vdc    
Isolation Capacity     45pF  
Isolation Resistance   1GΏ    
Humidity       95%

MTBF

(MIL-HDBK-217F)

     9*105  hours   
Case Temperature Vin = Nominal Input @ Ta= 25°C   45℃    

Physical Specifications
Case Material Non conductive Black Plastic
Potting Material Epoxy(UL94V-0)
Weight 13.0g

All specifications valid at nominal input voltage , full load @ 25°C after warm-up time unless otherwise stated.

Outline Dimensions

Note:

            1. To measure the output ripple & noise with short runs by 0.1uF/50V @ 20MHz nominal input

                and full load. Please see as below :