MVR1251T-251ML Datasheet, PDF (2/3 Pages) Coilcraft lnc. – VRM/ VRD Power Inductors

Document 420-2
MVR Series – VRM/VRD Power Inductor
Current Derating
120
110
100
90
80
70
60
50
40
30
20
10
0
-40
Isat
Irms
-20 0 20 40 60 80 100
Ambient temperature (°C)
MVRC
MVRT
120 140
Temperature Rise vs Current
80
MVR12xxC
70
MVR12xxT
60
50
40
2.3 µH
0.65 µH
1.10 µH
1.65 µH 0.36 µH
0.25 µH
0.36 µH
0.56 µH
30
20
10
0
0
5
10
15
20
25
30
35
Current (A rms)
L vs Current Comparison – 0.36 μH
0.5
0.4
MVR1251T-361
MVR1247C-361
0.3
0.2
0.1
0.1
1
10
100
Current (A)
ESR vs Frequency Comparison – 0.36 μH
10
9
8
7
6
5
4
3
2
1
0
0.1
MVR1247C-361 MVR1251T-361
1
10
100
Frequency (MHz)
Length
(see table)
Dash
number
0.369
9,38
typ
0.384 _max
9,75
Height
(see table)
Finish
0.223 ±0.012
5,67 ±0,30
Start
0.069 ±0.002
1,75 ±0,05
MVRC
or
MVRT
Internal
code
Part Marking
Recommended
Land Pattern
0.351
8,91
0.336 ±0.010
8,53 ±0,25
0.375
9,53
Dimensions are in
inches
mm
0.100
2,54
Body size
MVR1247
MVR1251
MVR1255
MVR1261
MVR1271
MVR1278
Height (in. / mm)
typ
max
0.171 / 4,35
0.181 / 4,61
0.207 / 5,25
0.232 / 5,90
0.262 / 6,65
0.287 / 7,29
0.185 / 4,70
0.200 / 5,10
0.217 / 5,50
0.240 / 6,10
0.280 / 7,10
0.307 / 7,80
Length(in. / mm)
typ
max
0.448 / 11,37
0.439 / 11,14
0.448 / 11,37
0.448 / 11,37
0.448 / 11,37
0.448 / 11,37
0.453 / 11,50
0.453 / 11,50
0.453 / 11,50
0.453 / 11,50
0.453 / 11,50
0.453 / 11,50
Specifications subject to change without notice.
Please check our website for latest information.
Document 420-2 Revised 10/20/08
© Coilcraft, Inc. 2009