www.murata-ps.com
3300 Series
Vertical Mount Toroidal Inductors
SELECTION GUIDE
Inductance, L
Order Code
33100C
33150C
33220C
33330C
33470C
33680C
33101C
33151C
33221C
33331C
33471C
33681C
33102C
DC Current
2
Max.
A
7.60
6.20
5.10
4.20
3.50
2.90
2.40
2.00
1.60
1.30
1.10
0.92
0.76
DC Resistance
Max.
mΩ
20
27
33
40
48
57
70
84
102
126
152
183
221
Q @ f MHz
Nom.
Q
3.4
3.3
3.4
3.5
3.4
3.5
3.9
3.8
3.2
3.4
2.6
0.64
0.85
SRF
Typ.
MHz
68
49
37
24
17
16
9.7
7.2
2.0
1.9
1.4
0.9
0.7
±15%
μH
10
15
22
33
47
68
100
150
220
330
470
680
1000
f
1.0
1.0
1.0
1.0
1.0
1.0
0.8
0.8
0.8
0.8
0.8
0.8
0.8
Package
Weight
Typ.
g
20.8
21.3
21.5
22.0
22.5
22.9
23.7
24.9
26.1
27.8
29.5
31.5
34.0
FEATURES
RoHS compliant
Toroidal construction
Up to 7.6A I
DC
Inductance range from 10μH to 1.0mH
Low EMI
UL 94V-0 packaging materials
Low DC resistance
ABSOLUTE MAXIMUM RATINGS
Operating temperature range
Storage temperature range
SOLDERING INFORMATION
1
Peak wave solder temperature
Pin finish
-40°C to 125°C
-40°C to 125°C
260°C
Tin
PRODUCT OVERVIEW
The 3300 series is a range of through-hole power
inductors. Due to the toroidal construction, they
exhibit a very low EMI as stray flux is kept to a
minimum. Typical applications include switching
regulators, and power line filtering.
PACKAGE SPECIFICATIONS
Mechanical Dimensions
29.0 (1.14) Max.
0.75 (0.030)
1
31.0 (1.22) Max.
3.07 (0.121)
24.0 (0.945)
2
16.30±0.5
(0.642±0.020)
4
20.32 (0.8)
3
33330C
XYYWW
0.75 (0.030)
4.1±0.5 (0.161±0.020)
10.16±0.3 (0.4±0.012)
Package weight: See selection guide.
Recommended Footprint Details
1.0 (0.04)
2.54 (0.10)
Pin Connections
1
3
2.54 (0.10)
20.32 (0.8)
Packaging
Supplied in trays (40 pieces per tray)
Unless otherwise stated, all dimensions in mm (inches) ± 0.25 (0.010).
For full details go to
www.murata-ps.com/rohs
Specifications typical at T
A
= 25°C
1 For further information, please visit www.murata-ps.com/rohs
2 The maximum DC current is the value at which the inductance falls to 75% of its nominal value or when its temperature rise reaches
40°C, whichever is sooner.
www.murata-ps.com/support
KMP_3300C_A04
Page 1 of 3
3300 Series
Vertical Mount Toroidal Inductors
INDUCTANCE Vs CURRENT
1000
1mH
Inductance, L (μH)
100
100μH
10
10μH
1
0.0
0.0
0.1
1.0
10.0
100.0
Current, I
DC
(A)
TEMPERATURE Vs CURRENT
60
100μH
10μH
Temperature rise above ambient, t (ºC)
50
1mH
40
30
20
10
0
0.0
2.0
4.0
6.0
8.0
10.0
12.0
Current, I
DC
(A)
INDUCTANCE Vs FREQUENCY
10000
1mH
1000
Inductance, L (μH)
100μH
100
10
10μH
1
10
100
1000
10000
Frequency, (kHz)
www.murata-ps.com/support
KMP_3300C_A04
Page 2 of 3
3300 Series
Vertical Mount Toroidal Inductors
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A.
ISO 9001 and 14001 REGISTERED
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply
the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without
notice.
© 2011 Murata Power Solutions, Inc.
www.murata-ps.com/support
KMP_3300C_A04
Page 3 of 3
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