DC/DC Converter
URA_LD-30WR3 & URB_LD-30WR3 Series
General Specifications
Item
Operating Conditions
Min.
Typ.
--
Max.
--
Unit
Input-output, with the test time of 1 minute and the
leak current lower than 1mA
Insulation Voltage
1500
VDC
Input-output, insulation voltage 500VDC/60sec.,
Ta=25℃, humidity=75%RH
Insulation Resistance
1000
--
--
--
--
M
Ω
Isolation Capacitance
Operating Temperature
Storage Temperature
Storage Humidity
Input-output, 100KHz/0.1V
2000
pF
see Fig. 1, Fig. 2, Fig. 3 and Fig. 4
-40
-55
5
--
--
+80
+125
95
℃
Non-condensing
--
%RH
Pin Welding Resistance
Temperature
℃
Welding spot is 1.5mm away from the casing, 10 seconds
--
--
+300
Vibration
10-55Hz, 10G, 30 Min. along X, Y and Z
Switching Frequency *
PWM mode
--
300
--
--
--
KHz
MIL-HDBK-217F@25℃, Full load(Ground, Benign,
controlled environment)
MTBF
1000
K hours
Note:* This series of products using reduced frequency technology, the switching frequency is test value of full load,When the load is reduced to below 50%, the
switching frequency decreases with decreasing load.
Physical Specifications
Casing Material
Aluminum alloy
Horizontal package( without heat sink)
Horizontal package( with heat sink)
A2S wiring package ( without heat sink)
A2S wiring package( with heat sink)
A4S rail package( without heat sink)
A4S rail package( with heat sink)
50.80*25.40*11.80 mm
50.80*25.40*16.30 mm
76.00*31.50*21.20 mm
76.00*31.50*25.10 mm
76.00*31.50*25.80 mm
76.00*31.50*29.70 mm
26g/48g/68g(Typ.)
Package Dimensions
without heat sink
with heat sink
Horizontal package/A2S wiring package/A4S rail package
Horizontal package/A2S wiring package/A4S rail package
Weight
34g/56g/76g(Typ.)
Cooling Method
Free air convection
EMC Specifications
CISPR22/EN55022 CLASS A (Bare component)/ CLASS B (see Fig.6-② for recommended circuit)
CISPR22/EN55022 CLASS A (Bare component)/ CLASS B (see Fig.7-② for recommended circuit)
CISPR22/EN55022 CLASS A (Bare component)/ CLASS B (see Fig.6-② for recommended circuit)
Single output
CE
Dual output
EMI
Single output
RE
CISPR22/EN55022 CLASS A (Bare component)/ CLASS B (see Fig.7-
② for recommended circuit)
perf. Criteria B
Dual output
ESD
RS
IEC/EN61000-4-2 Contact ±4KV
IEC/EN61000-4-3 10V/m
perf. Criteria A
perf. Criteria B
perf. Criteria B
perf. Criteria B
perf. Criteria B
perf. Criteria A
perf. Criteria A
① for recommended circuit)
IEC/EN61000-4-4 ±2KV (see Fig.7-① for recommended circuit)
IEC/EN61000-4-5 line to line ±2KV (see Fig.6-①for recommended circuit)
IEC/EN61000-4-5 line to line ±2KV (see Fig.7-①for recommended circuit)
Single output IEC/EN61000-4-4 ±2KV (see Fig.6-
EFT
Dual output
Single output
Dual output
EMS
Surge
CS
Single output IEC/EN61000-4-6 3 Vr.m.s
Dual output IEC/EN61000-4-6 10Vr.m.s
2017.01.18-A/5
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