1800 Series
Axial Lead Inductors
SELECTION GUIDE
Inductance
(1kHz, 0.1V
AC
)
±10%
μH
18472C
18682C
18103C
18153C
18223C
18333C
18473C
18683C
18104C
18154C
18224C
18254C
18334C
18474C
18684C
18105C
18155C
18225C
18335C
18475C
18685C
18106C
4.7
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
150.0
220.0
250.0
330.0
470.0
680.0
1.0mH
1.5mH
2.2mH
3.3mH
4.7mH
6.8mH
10.0mH
DC Current
1
Max.
A
5.35
4.15
3.45
3.00
2.42
2.00
1.65
1.35
1.20
1.10
0.90
0.80
0.73
0.60
0.53
0.44
0.33
0.30
0.22
0.20
0.15
0.13
DC Resistance
Max.
mΩ
9.0
12.0
15.0
18.0
25.0
40.0
55.0
70.0
100.0
165.0
230.0
255.0
335.0
465.0
630.0
1.0Ω
1.5Ω
2.2Ω
3.5Ω
4.6Ω
7.0Ω
12.0Ω
Q @ f kHz
Nom.
Q
112
78
64
55
59
48
55
31
40
47
46
50
58
56
55
94
107
108
143
128
144
143
SRF
Nom.
MHz
36.4
23.6
19.0
15.9
11.8
11.5
8.5
6.6
7.4
4.4
3.5
3.7
3.0
2.2
2.0
1.6
1.3
1.1
0.8
0.7
0.6
0.5
Order Code
f
1000
500
500
500
500
500
500
100
100
100
100
100
100
100
100
50
50
50
50
40
40
40
FEATURES
RoHS compliant
Axial format
Up to 5.35A I
DC
4.7μH to 10mH
Low DC resistance
Compact size
MIL-I-23053/5 class III sleeving
Fully tinned leads
Supplied in packs of 10
Custom & radial parts available
Backward compatible with
Sn/Pb soldering systems
DESCRIPTION
The 1800 Series of inductors are particularly
suited to use with a wide variety of switching
regulators. Offering high current handling with a
low mounting height, the devices are ideal where
space is at a premium.
TYPICAL CORE/WIRE CHARACTERISTICS
Inductance Temperature
Coefficient
430ppm
Resistance Temperature
Coefficient
4000ppm
Curie Temperature
(T
C
)
190°C
Saturation Flux
(B
SAT
)
325mT
ABSOLUTE MAXIMUM RATINGS
Operating free air temperature range
Storage temperature range
0°C to 70°C
-55°C to 125°C
SOLDERING INFORMATION
2
Peak wave solder temperature
Pin finish
All specifications typical at T
A
=25°C
1 Maximum DC current occurs when either the inductance falls to 90% of its nominal value or when its temperature rise reaches 30°C,
whichever is sooner.
2 For further information, please visit www.murata-ps.com/rohs
300˚C for 10 seconds
Bright tin
For full details go to
www.murata-ps.com/rohs
www.murata-ps.com
Technical enquiries - email:
mk@murata-ps.com,
tel:
+44 (0)1908 615232
KMP_1800C_B02
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