URA2405LD-20WR2 Datasheet, PDF (3/10 Pages) MORNSUN Science& Technology Ltd. – REGULATED SINGLE/DUAL OUTPUT DC-DC CONVERTER

Case Material
Size
Weight
PCB mounting （Without heat sink）
PCB mounting （With heat sink）
A2S Chassis mounting（Without heat sink）
A2S Chassis mounting（With heat sink）
A4S DIN-Rail mounting（Without heat sink）
A4S DIN-Rail mounting（With heat sink）
PCB mounting （Without heat sink）
PCB mounting （With heat sink）
A2S Chassis mounting（Without heat sink）
A2S Chassis mounting（With heat sink）
A4S DIN-Rail mounting（Without heat sink）
A4S DIN-Rail mounting（With heat sink）
ENVIRONMENTAL SPECIFICATIONS
Item
Test Conditions
Storage Humidity
Non condensing
Operating Temperature
See Temperature Derating Curve (Figure 3)
Storage Temperature
The Max. Case Temperature
Operating Temperature curve range
Lead Temperature
1.5mm from case for 10 seconds
Cooling
Shake
Aluminum Alloy
50.80×25.40×11.80
50.80×25.40×16.30
76.00×31.50×21.20
76.00×31.50×25.10
mm
76.00×31.50×25.80
76.00×31.50×29.70
--
28
--
--
36
--
--
50
--
g
--
58
--
--
70
--
--
78
--
Min.
Typ.
Max.
Unit
5
--
95
%
-40
--
85
-55
--
125
°C
--
--
105
--
--
300
Free air convection
10-55Hz, 10G, 30 Min. along X, Y and Z
EMC SPECIFICATIONS
CE
EMI
RE
ESD
RS
EFT
EMS
Surge
CS
Voltage dips,short
and interruptions
immunity
CISPR22/EN55022 CLASS A（Without External Circuit）/ CLASS B（External Circuit Refer to Figure1-②）
CISPR22/EN55022 CLASS A（Without External Circuit）/ CLASS B（External Circuit Refer to Figure1-②）
IEC/EN61000-4-2 Contact ±4KV
perf. Criteria B
IEC/EN61000-4-3 10V/m
perf. Criteria A
IEC/EN61000-4-4 ±2KV
(External Circuit Refer to Figure1-①)
perf. Criteria B
IEC/EN61000-4-5 ±2KV
(External Circuit Refer to Figure1-①)
perf. Criteria B
IEC/EN61000-4-6 3 Vr.m.s
perf. Criteria A
IEC/EN61000-4-29 0%-70%
perf. Criteria B
EMC RECOMMENDED CIRCUIT
V in
GND
FU SE
MOV
LDM1
LDM2
+
C1
TVS C0
①
②
CY1
Vin
+ Vo
EUT L O A D
GND
CY 2
- Vo
(0V)
(Figure1)
Note:1.In Figure 1,part①is EMS recommended external circuit, part ②is
recommended external circuit(CLASS B). Choose according to requirements.
Recommended external circuit parameters:
Model
URA/B24_LD-20WR2 URA/B48_LD-20WR2
FUSE
Choose according to practical input current
MOV
LDM1
S14K35
56μH
S14K60
TVS
SMCJ48A
SMCJ90A
C0
C1
LDM2
EMI _CY1、CY2
330μF/50V
1μF /50V
4.7μH
1nF/2KV
330μF/100V
1μF /100V
EMC RECOMMENDED CIRCUIT PCB LAYOUT
(Figure 2)
Note: The pad space between input and output (CY1/CY2) must ≥2mm.
The copyright and authority for the interpretation of the products are reserved by MORNSUN
URA_LD-20WR2 & URB_LD-20WR2
2013.11.29-A/3
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