FEATURES
s
Radial Format
s
Up to 5.35A IDC
s
4.7H to 10mH
s
Low DC Resistance
s
Compact Size
s
Fully Tinned Leads
s
MIL-I-23053/5 Class III Sleeving
s
Supplied in packs of 10
s
Custom & Axial Parts Available
DESCRIPTION
The 1800R Series of inductors are
particularly suited to use with a wide variety
of switching regulators. Offering high current
handling with a small footprint, the devices
are ideal where space is at a premium.
1 Tolerance 15%
Specifications typical at T
A
=25C
Operating free air temperature range
0C to 70C
Storage temperature range
55C to 125C
ABSOLUTE MAXIMUM RATINGS
SELECTION GUIDE
Nominal Self
DC
DC Current
Nominal Q
Resonant
Inductance
Resistance
Continuous
at f kHz
Frequency
10% (at 1kHz)
m
A
Q
f
MHz
O rder Code
H
MAX
MAX
18R472
4.7
1
9
5.35
106
1000
35.1
18R682
6.8
12
4.15
73
500
26.3
18R103
10
15
3.45
59
500
23.8
18R153
15
18
3.00
55
500
17.0
18R223
22
25
2.42
51
500
14.1
18R333
33
40
2.00
48
500
11.5
18R473
47
55
1.65
46
500
9.85
18R683
68
70
1.35
27
100
8.29
18R104
100
100
1.20
40
100
7.40
18R154
150
165
1.10
40
100
5.58
18R224
220
230
0.90
39
100
4.00
18R254
250
255
0.80
40
100
3.85
18R334
330
335
0.73
49
100
3.57
18R474
470
465
0.60
50
100
2.81
18R684
680
630
0.53
48
100
2.43
18R105
1mH
1.0
0.44
92
50
1.82
18R155
1.5mH
1.5
0.33
106
50
1.60
18R225
2.2mH
2.2
0.30
106
50
1.41
18R335
3.3mH
3.5
0.22
139
50
1.04
18R475
4.7mH
4.6
0.20
126
40
0.87
18R685
6.8mH
7.0
0.15
143
40
0.71
18R106
10mH
12
0.13
142
40
0.58
Inductance
Resistance
Curie
Saturation
Temperature
Temperature
Temperature
Flux
Coefficient
Coefficient
T
C
B
SAT
430ppm
4000ppm
190C
325mT
TYPICAL CORE CHARACTERISTICS
1800R SERIES
Radial Lead Inductors
www.dc-dc.com
1800R SERIES
Radial Lead Inductors
C&D Technologies (NCL) Ltd
Tanners Drive, Blakelands North
Milton Keynes MK14 5BU, England
Tel: +44 (0)1908 615232
Fax:+44 (0)1908 617545
email: info@cdtechno-ncl.com
www: http://www.dc-dc.com
C&D Technologies (NCL), Inc.
8917 Glenwood Avenue, Raleigh
NC 27612, USA
Tel: +1 (919) 571-9405
Fax: +1 (919) 571-9262
email: info@us.cdtechno-ncl.com
C&D Technologies (NCL) Limited reserve the right to alter or improve the
specification, internal design or manufacturing process at any time, without
notice. Please check with your supplier or visit our web site to ensure that
you have the current and complete specification for your product before use.
C&D Technologies (NCL) Limited 2000
NMP 1800R.2
No part of this publication may be copied, transmitted or stored in a
retrieval system or reproduced in any way including, but not limited to,
photography, photocopy, magnetic or other recording means, without prior
written permission from C&D Technologies (NCL) Limited.
Instructions for use are available from www.dc-dc.com
MECHANICAL DIMENSIONS
Recommended Footprint Details
13.70 max
7.200.30
1.20+0.15/0
0.600.10
All dimensions in mm
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