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DC DC42V43V44V volt to DC12V3A vehicle step-down power supply module switching power transformer

discount 70% in 2018-07-19 to 2018-07-21
price: USD$ 38.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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◆◆◆Imported chip, stable and reliable, glue filling process, waterproof, dustproof, earthquake resistant◆◆◆

▲▲▲Overheat protection, short circuit protection, over current protection▲▲▲


1.Module type:JB55T12A3

2.Module volume:Long 46*, wide 32*, high 18mm


4.Input voltage:DC15V-55V(the input voltage is higher than the output voltage 3V)

5.Output voltage and current:12V3A(MAX)

6.Conversion efficiency:Highest 90%

7.Static power dissipation:12mAAbout

8.Working temperature:Industrial grade (-40)To +85

9.Protection function:Overheat protection (short circuit, overcurrent)

10.Output ripple:70mVAbout

11.Minimum pressure difference:3V

12.Connection mode:Red line: input positive pole Black line: input and output common negative electrode Yellow line: output positive pole


         ★★★Notice: no reverse connection, no overload★★★