Data Sheet
File Name:RSDW20,RDDW20-SPEC 2018-08-06
RSDW20 & RDDW20 series
All dimensions in mm(inch)
Tolerance:x.x 0.5mm( 0.02")
±±x.xx
x.xxx
x.xx 0.25mm( 0.010")±±
Pin size is:0.5 0.05mm (0.02 0.002") ±"±
※F models(9~36Vin) and G models(18~75Vin):
※H models(43~160Vin):
Mechanical Specification
Side View
Side View
Plug Assignment
Pin-Out
Pin-Out
Pin No.
Pin No.
1
1
2
2
3
3
4
4
5
5
-Vin
-Vin
-Vin
-Vin
-Vout
-Vout
+Vout
+Vout
Trim
Trim
+Vout
+Vout
Common
Common
-Vout
-Vout
RSDW20F/G
(Single output)
RSDW20H
(Single output)
RDDW20F/G
(Dual output)
RDDW20H
(Dual output)
20W 2"x1" Package Reliable Railway DC-DC Converter
In order to trim the voltage up or down one needs to connect the trim resistor either between the trim pin and -Vo for trim-up and between trim pin and
+Vo for trim-down. The output voltage trim range is 10%. This is shown in Figures 1 and 2:±
Figure 1. Trim-up Voltage Setup
R trim-up
R trim-down
R-Load
R-Load
+Vin +Vin
+Vo +Vo
Trim
Trim
-Vo -Vo
-Vin -Vin
Figure 2. Trim-down Voltage Setup
External Output Trimming
6
6
Remote ON/OFF
Remote ON/OFF
Remote ON/OFF
Remote ON/OFF
+Vin
+Vin
+Vin
+Vin
25.4(1)
2.5(0.1)
50.8(2)
1(0.04)
45.72(1.8)
Bottom View
5.6(0.22 min.)
5.6(0.22 min.)
621
5.08(0.2)
15.24(0.6)
5.1(0.2)
10.2(0.4)
10.2(0.4)
2.5(0.1)
3
54
10.16(0.4)10.16(0.4)
Bottom View
5.08
(0.2)
25.4(1)
10.16(0.4)10.16(0.4)
50.8(2)
20.32(0.8)
15.2(0.6)
126
543
10.16(0.4)
7.62(0.3)
1(0.04)






