RM12 Inductors
800
700
DC Current mA.
600
500
400
300
200
100
0
Single Inductor Current Capacity
1 dc. mA. Rated
1 dc. mA. Saturation
100000
10000
Impedance (Z) Kilohms
1000
100
10
1
Single Inductor Frequency Response
Impedance for 39mH
Impedance for 82mH
Impedance for 150mH
Impedance for 270mH
Impedance for 560mH
39 47 56 68 82 100 120 150180 220 270 330 390 470 560
Inductance, mH
10 30 46 60 70 90 120 176 239 334 500 700 900
18 33 50 63 85 100 133 200 300 400 600 800 1000
Frequency,kHz
7
Mechanical Data
Mass 72gm approx.
31 x 31 plan x 25mm height
2
8
PCB Foot Print
12 11
1
2
3
10
9
O1,3
+0,1
4
Ground O 1,3
+0,1
8
7
5 6
Part Numbering System
Example
- RM
Style
RM
Pinned Bobbin
Size
12
• Inductance Range
39mH to 560mH
12 155 S
Form
S
- single
C
- common mode
D
- differential
• Temperature
Range -20 to 120°C
• Core Material Curie
Temperature >
150°C
Inductance Value
Extended Range
824 = 82mH
125 = 120mH
185 = 180mH
275 = 270mH
Preferred values
105 = 100mH
155 = 150mH
225 = 220mH
Specials
394 = 39mH 335 = 330mH
474 = 47mH 395 = 390mH
554 = 56mH 475 = 470mH
684 = 68mH 555 = 560mH
Example RM12155S =
RM12 150mH fixed single inductor with pinned bobbin.
Other values & package styles available on request.
rm
12
induct
ors
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