Gausstek Corp.
Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
OUTLINE
The characteristics of this series perform low RDC and carry large current.
Best for power supply applications such as PC, conveyable telephone, and other
FEATURES
Very strong solderability by reflow soldering and soldering iron.
Highly accurate dimensions can be mounted automatically
Terminals are highly resistant to pull forces.
Highly resistant to mechanical shoks and pressure.
Highly reliable in environments of sudden temperature change and humidity.
Superior IDC for DC to DC converter.
PRODUCT IDENTIFICATION
WI 20 C 18 2 J
a
b
c
d
-
-
-
-
-
-
e
f
1U
g
50:565050
a:Type of products - SMD Wire wound inductors with Ferrite Base
b:Dimension
c:Materials
d:Thickness
e:Packing
f:Tolerance
g: Inductance
20:252018 25:322522 32:453232
C - Ferrite Base for high current application.
18 = 2.2mm Max. 22 = 2.6mm Max, 32 = 3.2mm, 50 = 5.0mm
PCS/REEL - 1 = 1000,
J : ±5%
2 = 2000,
G = 400,
I = 500
K : ±10% M : ±20%
1N2 = 0.0012uH, 100N = 0.1uH, 1U = 1.0uH, 1U2 = 1.2uH, 1M = 1000 mH, 1M2 = 1200mH
The Part number of Lead-Free Products will be added "X" after original one as identification. EX: WS03X314G1N8X
APPLICATIONS
Microtelevisions, liquid crystal televisions,video cameras, portable
VCRs, car radios,car stereos, thin tape radios, television tuners,
mobile telephones, radio and other electronic devices.
SHAPES AND DIMENSIONS
in mm
Type
WI20C18
WI25C22
Alias in mm
252018
322522
Alias in inch
1008
1210
A
Max.
2.92
3.70
B
Max.
2.79
2.90
C
Max.
2.2
2.6
D
Ref.
0.7
0.9
E
2.03
2.40
F
0.51
0.51
G
1.52
2.18
WI20C18
&
WI25C22
WI32C32
&
WI50C50
in mm
TYPE
WI32C32
WI50C50
Alias in m
453232
565050
Alias in inch
1812
2220
L
4.5±0.3
5.6±0.3
W
3.2±0.3
5.0±0.3
H
3.2±0.2
5.0±0.2
P
1.4±0.4
1.8±0.3
E
0.9±0.2
1.3±0.2
Gausstek Corp.
Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
Test
Tolerance
Q
Frequency
( ±% )
Min.
(MHz)
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
25
25
25
25
25
25
20
20
20
20
16
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
ELECTRICAL CHARATERISTICS
WI20C18
Part Number
WI20C182
□
- 1U
WI20C182
□
- 1U5
WI20C182
□
- 2U2
WI20C182
□
- 3U3
WI20C182
□
- 4U7
WI20C182
□
- 6U8
WI20C182
□
- 10U
WI20C182
□
- 15U
WI20C182
□
- 22U
WI20C182
□
- 33U
WI20C182
□
- 47U
Tolerance: J = ±5%, K = ±10%
Operating temperature range from -25℃ to 85℃ .
L/Q : Agilent/HP4291 & Agilent/HP16193A
SRF: Agilent/HP4291A
RDC: DIGITAL MULTIMETER CH502BC / HP4338B
IDC for Inductance drp 10% from its value without current
L (µH)
1.00
1.50
2.20
3.30
4.70
6.80
10.00
15.00
22.00
33.00
47.00
SRF
(MHz)
Min.
300
270
140
95
90
68
45
40
25
25
20
RDC
(Ω )Max.
0.34
0.42
0.5
0.65
0.8
1
1.5
2.2
2.7
4
8
IDC (mA)
1500
1400
1200
1000
800
730
700
500
470
400
300
Test Instruments : HP4291A Impedance / Material Analyzer
Gausstek Corp.
WIRE WOUND INDUCTORS
Series
FERRITE BASE / LARGE CURRENT
WI - C
Tolerance
( ±% )
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
J,K
ELECTRICAL CHARATERISTICS
WI25C22
Part Number
WI25C222
□
- 1U
WI25C222
□
- 1U5
WI25C222
□
- 2U2
WI25C222
□
- 3U3
WI25C222
□
- 4U7
WI25C222
□
- 6U8
WI25C222
□
- 10U
WI25C222
□
- 15U
WI25C222
□
- 22U
WI25C222
□
- 33U
WI25C222
□
- 47U
WI25C222
□
- 68U
WI25C222
□
- 100U
WI25C222
□
- 150U
WI25C222
□
- 220U
WI25C222
□
- 330U
WI25C222
□
- 470U
WI25C222
□
- 680U
L (µH)
1.00
1.50
2.20
3.30
4.70
6.80
10.00
15.00
22.00
33.00
47.00
68.00
100.00
150.00
220.00
330.00
470.00
680.00
Test
Q Min. Frequency
(MHz)
20
20
20
20
20
20
15
15
15
15
15
15
15
15
15
15
15
15
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2,52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
SRF
(MHz)
Min.
100.0
80.0
68.0
54.0
43.0
33.0
28.0
19.0
16.0
12.0
10.0
9.0
6.0
5.0
4.0
3.5
2.8
2.0
RDC
(Ω ) Max.
0.08
0.13
0.13
0.16
0.20
0.27
0.36
0.56
0.77
1.10
1.64
2.80
3.70
6.10
8.40
12.3
22
28
IDC (mA)
1500
1125
970
837
675
600
520
480
310
270
210
189
145
120
100
80
75
65
Tolerance: J = ±5%, K = ±10%
Operating temperature range from -25℃ to 85℃ .
L/Q : Agilent/HP4291A & Agilent/HP16193A (Over 1MHz)
Agilent/HP4285A & Agilent/HP16193A ((Under 1MHz)
SRF: Agilent/HP4291A
RDC: DIGITAL MULTIMETER CH502BC / HP4338B
IDC for Inductance drp 10% from its value without current
Test Instruments : HP4291A Impedance / Material Analyzer
Gausstek Corp.
Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
Test
Frequency
(MHz)
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
ELECTRICAL CHARATERISTICS
WI32C32
Part Number
L (µH)
Tolerance
( ±% )
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
Q Min.
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
20
20
20
20
20
20
20
SRF
(MHz)
Min.
200.0
155.0
130.0
100.0
80.0
55.0
45.0
40.0
35.0
30.0
28.0
25.0
22.0
21.0
20.0
18.0
17.0
15.0
14.0
12.0
11.5
10.5
9.0
8.5
7.0
6.5
6.0
5.5
5.0
4.5
4.0
RDC
(Ω )Max.
0.11
0.12
0.15
0.16
0.18
0.20
0.22
0.24
0.27
0.30
0.35
0.40
0.50
0.60
0.70
0.80
0.90
1.20
1.40
1.60
1.90
2.20
2.60
3.50
4.00
4.50
6.50
7.50
9.00
11.00
13.00
IDC (mA)
1050
1000
950
900
850
800
750
700
650
650
600
600
550
500
450
400
370
330
300
280
260
240
220
200
180
160
140
120
120
100
90
WI32C32IK - 1U
1.00
WI32C32IK - 1U2
1.20
WI32C32IK - 1U5
1.50
WI32C32IK - 1U8
1.80
WI32C32IK - 2U2
2.20
WI32C32IK - 2U7
2.70
WI32C32IK - 3U3
3.30
WI32C32IK - 3U9
3.90
WI32C32IK - 4U7
4.70
WI32C32IK - 5U6
5.60
WI32C32IK - 6U8
6.80
WI32C32IK - 8U2
8.20
WI32C32IK - 10U
10.00
WI32C32IK - 12U
12.00
WI32C32IK - 15U
15.00
WI32C32IK - 18U
18.00
WI32C32IK - 22U
22.00
WI32C32IK - 27U
27.00
WI32C32IK - 33U
33.00
WI32C32IK - 39U
39.00
WI32C32IK - 47U
47.00
WI32C32IK - 56U
56.00
WI32C32IK - 68U
68.00
WI32C32IK - 82U
82.00
WI32C32IK - 100U
100.00
WI32C32IK - 120U
120.00
WI32C32IK - 150U
150.00
WI32C32IK - 180U
180.00
WI32C32IK - 220U
220.00
WI32C32IK - 270U
270.00
WI32C32IK - 330U
330.00
Tolerance: J = ±5%, K = ±10%
Operating temperature range from -25
℃
to 85℃ .
L/Q' SRF : HP4286A RF Impedance Analyzer
L/Q : HP4284A LF Impedance Analyzer
RDC: DIGITAL MULTIMETER HP4338B / CH502BC
IDC : HP4284A & HP42841A
Test Instruments : HP4291A Impedance / Material Analyzer
Gausstek Corp.
Series
WIRE WOUND INDUCTORS
FERRITE BASE / LARGE CURRENT
WI - C
Tolerance (
±% )
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
K
ELECTRICAL CHARATERISTICS
WI50C50
Part Number
L (µH)
Q Min.
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
20
20
20
20
20
20
20
20
20
20
20
20
20
Test
Frequency
(MHz)
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
7.96
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
2.52
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.796
0.252
SRF (MHz)
RDC (Ω )Max.
Min.
95.0
70.0
55.0
47.0
42.0
37.0
34.0
32.0
29.0
26.0
24.0
22.0
19.0
17.0
16.0
14.0
13.0
11.5
10.5
9.5
8.5
7.8
7.0
6.4
6.0
5.4
4.8
4.4
3.9
3.6
3.2
2.9
2.6
2.4
2.2
2.0
1.8
0.030
0.035
0.040
0.050
0.060
0.070
0.080
0.090
0.110
0.130
0.150
0.180
0.210
0.250
0.300
0.360
0.430
0.520
0.620
0.720
0.850
1.000
1.200
1.400
1.600
1.900
2.200
2.800
3.400
4.200
4.900
5.800
7.000
8.500
10.000
13.000
15.000
IDC (mA)
1800
1700
1600
1400
1300
1200
1120
1050
950
880
810
750
690
630
580
530
480
440
400
370
340
310
290
270
250
230
210
190
170
155
140
130
120
110
100
90
85
WI50C50GK - 1U
1.00
WI50C50GK - 1U2
1.20
WI50C50GK - 1U5
1.50
WI50C50GK - 1U8
1.80
WI50C50GK - 2U
2.20
WI50C50GK - 2U7
2.70
WI50C50GK - 3U3
3.30
WI50C50GK - 3U9
3.90
WI50C50GK - 4U7
4.70
WI50C50GK - 5U6
5.60
WI50C50GK - 6U8
6.80
WI50C50GK - 8U2
8.20
WI50C50GK - 10U
10.00
WI50C50GK - 12U
12.00
WI50C50GK - 15U
15.00
WI50C50GK - 18U
18.00
WI50C50GK - 22U
22.00
WI50C50GK - 27U
27.00
WI50C50GK - 33U
33.00
WI50C50GK - 39U
39.00
WI50C50GK - 47U
47.00
WI50C50GK - 56U
56.00
WI50C50GK - 68U
68.00
WI50C50GK - 82U
82.00
WI50C50GK - 100U
100.00
WI50C50GK - 120U
120.00
WI50C50GK - 150U
150.00
WI50C50GK - 180U
180.00
WI50C50GK - 220U
220.00
WI50C50GK - 270U
270.00
WI50C50GK - 330U
330.00
WI50C50GK - 390U
390.00
WI50C50GK - 470U
470.00
WI50C50GK - 560U
560.00
WI50C50GK - 680U
680.00
WI50C50GK - 820U
820.00
WI50C50GK - 1M
1000
Tolerance: J = ±5%, K = ±10%
Operating temperature range from -25℃ to 85℃ .
L/Q' SRF : HP4286A RF Impedance Analyzer
L/Q : HP4284A LF Impedance Analyzer
RDC: DIGITAL MULTIMETER HP4338B / CH502BC
IDC : HP4284A & HP42841A
Test Instruments : HP4291A Impedance / Material Analyzer
