DC/DC Converter
E_D-2WR2 & F_D-2WR2 series
Operating Temperature
Storage Temperature
Casing Temperature Rise
Pin Welding Resistance Temperature
Storage Humidity
Switching Frequency
MTBF
Ta=25℃
Welding spot is 1.5mm away from the casing, 10 seconds
Non-condensing
100% load, nominal input voltage
MIL-HDFK-217F@25℃
Derating if the temperature
≥85℃
(see Fig. 2)
-40
-55
--
--
--
--
3500
--
--
25
--
--
100
--
85
125
--
300
95
--
--
%RH
KHz
K hours
℃
Physical Specifications
Casing Material
Dimensions
Weight
Cooling Method
Black flame-retardant heat-proof epoxy resin (UL94-V0)
20.32*10.16*8.20mm
2.8g(Typ.)
Free convection
EMC Specifications
EMI
EMS
CE
RE
ESD
E_D-2WR2
F_D-2WR2
CISPR22/EN55022
CISPR22/EN55022
IEC/EN61000-4-2
IEC/EN61000-4-2
CLASS B (see Fig. 4 for recommended circuit)
CLASS B (see Fig. 4 for recommended circuit)
Contact
Contact
±6KV
±8KV
perf. Criteria B
perf. Criteria B
Product Characteristic Curve
Output Voltage
Accuracy
(%)
Output Power Percent(%)
+15%
+10%
+5%
0
-5%
-10%
Tolerance Envelope Cur ve
120
100
80
60
40
20
0
Ma x .
Ty p
.
M i n.
+2.5%
-2.5%
-7.5%
Temperature Derating Curve
Safe Operating Area
10% 20%
40%
60%
80%
100%
Output Current Percent(%)
(Nominal Input Voltage)
-40
0
40
Fig. 2
85 105 120
Ambient Temp.(
℃
)
Fig. 1
100
95
Efficiency Vs Input Voltage (Full Load)
100
90
80
Efficiency Vs Output Load(Vin=5V)
Efficiency(%)
90
F0505D-2WR2
Efficiency(%)
85
80
75
70
65
60
4.5 4.6 4.7 4.8 4.9
5
5.1 5.2 5.3 5.4 5.5
F0505D-2WR2
70
60
50
40
30
10
20
Input Voltage (V)
Output Current Percentage (%)
30
40
50
60
70
80
90
100
2015.04.20-A/1
Page 3 of 5
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