MEJ1 Series
www.murata-ps.com
5.2kVDC Isolated 1W DC/DC Converters
SELECTION GUIDE
Order Code
V
3.3
3.3
5
5
5
5
5
12
12
V
3.3
5
3.3
5
mA
%
mVp-p
42
%
kHrs
3653
71.5 3810
MEJ1S0303SC
MEJ1S0305SC
MEJ1S0503SC
MEJ1S0505SC
MEJ1S0509SC
MEJ1S0512SC
MEJ1S0515SC
MEJ1S1203SC
MEJ1S1205SC
MEJ1S1209SC
MEJ1S1212SC
MEJ1S1215SC
MEJ1S1505SC
MEJ1S1509SC
MEJ1S1512SC
MEJ1S1515SC
MEJ1S2405SC
MEJ1S2409SC
MEJ1S2412SC
MEJ1S2415SC
MEJ1D0503SC
MEJ1D0505SC
MEJ1D0509SC
MEJ1D0512SC
MEJ1D0515SC
MEJ1D1203SC
MEJ1D1205SC
MEJ1D1209SC
MEJ1D1212SC
MEJ1D1215SC
MEJ1D1505SC
MEJ1D1509SC
MEJ1D1512SC
MEJ1D1515SC
MEJ1D2405SC
MEJ1D2409SC
MEJ1D2412SC
MEJ1D2415SC
303
200
303
200
111
83
66
303
200
111
83
66
200
111
83
410
400
280
270
265
260
260
110
110
105
105
105
90
85
85
85
55
55
55
55
8.5
9
11
10
8
7
5
7
6
7
6
55
45
40
40
40
40
40
45
40
67
68
66
68
70
71
72
69
71
73
73
73
70
72
72
73
71
72
72
74
67
69
69
72
71
70
72
73
74
73
72
73
73
73
72
73
74
74
70
33
20
24
20
22
22
25
21
FEATURES
6.5
5.5
4.5
4.5
5
6
5
4
3.5
4
5
4
4
4
5
4
4
3.5
6
5
4
4
4
5.5
4.5
4
3.5
4
69
72
74
74
75
72
4117
4082
3939
3816
3412
3461
ꢀBasic/supplementary isolation to
9
UL 609502
12
15
3.3
5
9
12
15
5
ꢀUL60601 (3rd Ed) recognition2
ꢀSingle and dual outputs
74.5 3319
76.5 3218
76.5 3494
Contact Factory
12
12
12
15
15
15
15
24
24
24
24
5
5
5
5
6
5
5
5
6
7
5
5
8
6
6
5
5
6
5
5
5
5
5
5
5
5
5
5
5
5
18
19
16
23
18
20
19
23
17
19
17
19
23
16
15
13
19
18
15
14
11
19
14
13
20
19
17
12
14
40
40
40
45
40
40
35
40
40
40
40
40
35
35
30
35
40
40
35
30
35
40
35
35
35
40
35
35
35
ꢀUL 94V-0 package material
ꢀSIP package style
77
74
76
3150
3048
2963
ꢀ5.2kVDC isolation
9
12
15
5
76.5 2733
76.5 2333
ꢀ3.3V, 5V, 12V, 15V & 24V inputs
ꢀ3.3V, 5V, 9V, 12V & 15V output
ꢀInternal SMD construction
ꢀFully encapsulated with toroidal magnetics
66
200
111
83
75
77
78
78
70
72
74
3353
2940
2987
2517
4511
4012
3492
9
12
15
3.3
5
66
151 280
100 275
ꢀPin compatible with the MEV, NMV, NMK,
5
5
5
5
9
55
42
33
265
260
260
MEJ2, & NMJ series
12
15
3.3
5
74.5 3485
75.5 2844
PRODUCT OVERVIEW
12
12
12
12
12
15
15
15
15
24
24
24
24
151 110
100 110
73
75.5 3317
77 2908
76.5 2911
3461
The MEJ1 series are single and dual output
DC/DC converters in a 7 pin SIP package style
offering an isolation and insulation upgrade path
from the NMV & MEV1 series’. The MEJ1 series
has UL60950 and UL60601 recognition, which
makes it ideal for applications where safety and
miniaturisation are of paramount importance.
9
55
42
33
110
110
110
90
85
85
85
55
55
55
12
15
5
77
75
2713
3274
76.5 3229
77 2872
76.5 2440
76.5 3316
3208
3362
78.5 2697
100
55
4.5
4
9
12
15
5
9
12
15
42
33
3.5
3.5
4.5
3.5
3.5
3.5
100
55
78
78
42
33
55
INPUT CHARACTERISTICS
Parameter
Conditions
Min.
2.97
4.5
Typ.
3.3
5
Max.
3.63
5.5
Units
V
Continuous operation, 3V input types
Continuous operation, 5V input types
Continuous operation, 12V input types
Continuous operation, 15V input types
Continuous operation, 24V input types
3.3V input types
10.8
13.5
21.6
12
15
24
40
24
12
8
13.2
16.5
26.4
Voltage range
5V input types
Input reflected ripple
mA
12V & 15V input types
24V input types
1. Calculated using MIL-HDBK-217 FN2 calculation model with nominal input voltage at full load.
2. See safety approvals section for limitations of use.
3. See ripple & noise test method.
For full details go to
www.murata-ps.com/rohs
All specifications typical at T =25°C, nominal input voltage and rated output current unless otherwise specified.
A
www.murata-ps.com/support
KDC_MEJ1C.A01 Page 1 of 9
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