● 20W 1”x 2” Package (50.1x25.4x10.8mm)
● 1.6kVDC Isolation
● Wide Input 2:1
ECONOLINE
Features
DC/DC-Converter
Regulated
Converters
● Regulated Output
● UL94V-0 Package Material
● Continuous Short Circuit Protection
● Remote ON/OFF-Control for Single Types
● Efficiency to 87%
REC20-
SRW/H
Series
Selection Guide
20 Watt
1” x 2”
Single
Part
Input
Output
Voltage
(VDC)
2.5
Output
Current
(mA)
Efficiency
Number
Voltage
1” x 2”
(VDC)
(%)
83
86
87
REC20-xx2.5SRW/H
REC20-xx3.3SRW/H
REC20-xx05SRW/H
18-36, 36-75
18-36, 36-75
18-36, 36-75
4000
4000
4000
3.3
Output
5
2:1
* add suffix "CTRL" for optional Remote ON/OFF-Control
xx = 18-36Vin = 24
xx = 36-75Vin = 48
Specifications (Core Operating Area)
Designed to meet EN-60950-1
UL-60950-1 Pending
Input Voltage Range
Input Filter
2:1
π type
Output Voltage Accuracy
Line Voltage Regulation
2% max.
0.5% max.
Load Voltage Regulation (10% to 100% full load )
Ripple
Noise
1% max.
110mVp-p max.
200mVp-p max.
Operating Frequency
400kHz typ.
Over Power Protection
Over Voltage Protection
Short Circuit Protection
Transient Response
Works over 120% of rating and recovers automatically
Zener diode clamp
Current limit, auto-recovery
500 us (100% to 50% full load at 1% error band)
87% max.
Derating-Graph
(Ambient Temperature)
Efficiency at Full Load
Isolation Voltage
Rated Working Voltage
(tested for 1 second)
(long term isolation)
1600VDC min.
see Application Notes
Isolation Capacitance
Isolation Resistance
Operating Temperature Range (Natural convection) (with derating)
1000pF
120
100
80
100 MΩ min.
-25°C to +70°C (see Graph)
Storage Temperature Range
-55°C to +105°C
+100°C max.
0.02%/°C
60
Safe Operating Area
Case Temperature
40
20
0
Temperature Coefficient
Relative Humidity
MSL Level 1
95% RH
40
-25
0
25
50
75 100
Case Material
Nickel-Plated Copper with Non-Conductive Base, Six-side Shielded
70
Cooling Method
Natural convection
32g
Operating Temperature (°C)
Package Weight
EMI (Conducted & Radiated Emission)
EN 55022 class A
MTBF (+25°C)
using MIL-HDBK 217F
using MIL-HDBK 217F
>550 x 103 hours
Detailed Information see
Application Notes chapter "MTBF"
(+40°C)
193 x 103 hours
}
July-2006
128
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