● 20W 2”x 2” Package (50.8x11.40x50.8mm)
● 1.6kVDC Isolation
● Wide Input 2:1 & 4:1
ECONOLINE
Features
DC/DC-Converter
Regulated
Converters
● Regulated Output
● Built-in Class A Input Filter
● Continuous Short Circuit Protection
● Vout Trim and ON/OFF Control Function
● Efficiency to 87%
REC20-
S_D_TRWB
(Z)/H
Selection Guide
Series
Part
Number
Input
Voltage
Output
Voltage
Output
Current
Efficiency
12/24/48V
2:1
(VDC)
(VDC)
3.3
5
(mA)
4000
(%)
20 Watt
2” x 2”
Single, Dual &
Triple Output
REC20-xx3.3SRWB/H
REC20-xx05SRWB/H
REC20-xx12SRWB/H
REC20-xx15SRWB/H
REC20-xx24SRWB/H
REC20-xx05DRWB/H
REC20-xx12DRWB/H
REC20-xx15DRWB/H
9-18, 18-36, 36-75
9-18, 18-36, 36-75
9-18, 18-36, 36-75
9-18, 18-36, 36-75
9-18, 18-36, 36-75
9-18, 18-36, 36-75
9-18, 18-36, 36-75
9-18, 18-36, 36-75
76/78/76
78/81/82
81/86/84
82/85/85
83/88/87
77/82/83
81/84/85
82/85/84
79/83/83
77/81/84
24/48V
82/83
4000
12
1670
15
1330
24
833
5
2000
12
833
15
660
REC20-xx0512TRWB/H 9-18, 18-36, 36-75
REC20-xx0515TRWB/H 9-18, 18-36, 36-75
4:1
5/ 12
5/ 15
2500/ 300
2500/ 250
REC20-xx3.3SRWBZ/H
REC20-xx05SRWBZ/H
REC20-xx12SRWBZ/H
REC20-xx15SRWBZ/H
REC20-xx24SRWBZ/H
REC20-xx05DRWBZ/H
REC20-xx12DRWBZ/H
REC20-xx15DRWBZ/H
10-40, 18-75
10-40, 18-75
10-40, 18-75
10-40, 18-75
10-40, 18-75
10-40, 18-75
10-40, 18-75
10-40, 18-75
3.3
5
4000
4000
1670
1330
833
84/85
12
15
24
5
82/82
Designed to meet EN-60950-1
UL-60950-1 Pending
82/82
82/82
2000
833
81/81
12
15
82/83
660
82/82
2:1
4:1
* add suffix "CTRL" for optional Remote ON/OFF-Control
xx = 9-18Vin = 12
xx = 18-36Vin = 24
xx = 36-75Vin = 48
xx = 10-40Vin = 24
xx = 18-75Vin = 48
Derating-Graph
(Ambient Temperature)
Specifications (Core Operating Area)
Input Voltage Range
Input Filter
2:1 & 4:1
π type
120
2:1 Range
Output Voltage Accuracy
Line Voltage Regulation
2% max.
0.5% max.
1%/ 5%
0.5% max.
3% max.
100
Single & Dual
80
Triple
Single
Dual
Safe Operating Area
60
Load Voltage Regulation
(10% to 100% full load )
4:1 Range
40
40%
Triple
3%/ 5%
<0.2% Vout +20mVp-p max.
<0.5% Vout +50mVp-p max.
20
0
Ripple
Noise (measured with 100nF output capacitor)
-25
0
25
50
75 100
70
Trim
10%
200kHz typ.
250kHz typ.
Is 2:1 Range
Is 4:1 Range
Operating Frequency
2:1
4:1
Operating Temperature (°C)
continued on next page
www.recom-international.com
December-2006
1