Technical Data 10931
Effective July 2019
WCL3225
Wire wound chip inductor
Applications
Product features
•
Industrial connectivity (IoT)
•
Computing/gaming consoles
•
Smart meters
•
Industrial equipment
•
Machine-to-machine (M2M)
•
Mobile phones
•
Wearable devices
•
Wireless LAN
•
Wireless communiations
•
1210 (3225 metric) package
Bluetooth
•
•
High Q value
WiFi
•
•
Tight inductance tolerance
Antenna
•
•
Inductance range from 0.12 uH to 560 uH
•
Moisture sensitivity level (MSL): 1
•
RF transciever modules
Environmental data
•
Operating temperature range: -40 °C to +85 °C
•
Solder reflow temperature:
J-STD-020 (latest revision) compliant
HALOGEN
Pb HF
FREE
WCL3225
Wire wound chip inductor
Technical Data 10931
Effective July 2019
Product specifications
Part number
OCL
(uH) ±5%
I Rated
(mA)
maximum
OCL
Test frequency
(MHz)
Test
voltage
(mV)
DCR (Ω)
maximum
@ +25°C
SRF
(MHz)
minimum
Q
minimum
Q
Test frequency
(MHz)
WCL3225-R12-R
0.12
450
25.2
500
0.20
850
20
25.2
WCL3225-R27-R
0.27
450
25.2
500
0.20
700
20
25.2
WCL3225-R33-R
0.33
450
25.2
500
0.30
520
20
25.2
WCL3225-R47-R
0.47
450
25.2
500
0.30
480
20
25.2
WCL3225-R82-R
0.82
450
25.2
500
0.30
350
20
25.2
WCL3225-1R0-R
1.0
450
7.96
500
0.30
320
12
7.96
WCL3225-1R2-R
1.2
450
7.96
500
0.30
210
12
7.96
WCL3225-1R5-R
1.5
450
7.96
500
0.40
200
12
7.96
WCL3225-1R8-R
1.8
450
7.96
500
0.50
195
12
7.96
WCL3225-2R2-R
2.2
450
7.96
500
0.60
175
12
7.96
WCL3225-2R7-R
2.7
420
7.96
500
0.70
120
12
7.96
WCL3225-3R3-R
3.3
380
7.96
500
1.10
80
12
7.96
WCL3225-3R9-R
3.9
360
7.96
500
1.20
75
12
7.96
WCL3225-4R7-R
4.7
350
7.96
500
1.30
60
12
7.96
WCL3225-5R6-R
5.6
320
7.96
500
2.00
50
12
7.96
WCL3225-6R8-R
6.8
310
7.96
500
1.50
35
12
7.96
WCL3225-8R2-R
8.2
305
7.96
500
1.60
35
12
7.96
WCL3225-100-R
10
300
2.52
500
1.00
30
10
2.52
WCL3225-120-R
12
265
2.52
500
1.20
25
10
2.52
WCL3225-150-R
15
225
2.52
500
2.00
22
10
2.52
WCL3225-180-R
18
210
2.52
500
2.10
22
10
2.52
WCL3225-220-R
22
200
2.52
500
2.40
20
10
2.52
WCL3225-270-R
27
180
2.52
500
2.70
18
10
2.52
WCL3225-330-R
33
160
2.52
500
2.90
15
10
2.52
WCL3225-390-R
39
150
2.52
500
4.70
16
10
2.52
WCL3225-470-R
47
140
2.52
500
5.20
10
10
2.52
WCL3225-560-R
56
125
2.52
500
5.60
8.0
10
2.52
WCL3225-680-R
68
110
2.52
500
4.70
5.0
10
2.52
WCL3225-820-R
82
100
2.52
500
5.60
5.0
10
2.52
WCL3225-101-R
100
95
0.796
500
6.80
5.0
8
0.796
WCL3225-121-R
120
85
0.796
500
7.90
4.0
8
0.796
WCL3225-151-R
150
80
0.796
500
9.00
4.0
8
0.796
WCL3225-181-R
180
70
0.796
500
14.5
3.0
8
0.796
WCL3225-221-R
220
65
0.796
500
16.5
2.6
8
0.796
WCL3225-271-R
270
60
0.796
500
18.0
2.5
8
0.796
WCL3225-331-R
330
55
0.796
500
19.0
2.3
8
0.796
WCL3225-391-R
390
45
0.796
500
21.5
2.2
8
0.796
WCL3225-471-R
470
40
0.796
500
22.5
2.0
8
0.796
WCL3225-561-R
560
30
0.796
500
28.0
1.5
8
0.796
1. Test frequency and voltage at +25 °C. Test voltage is for both OCL and Q.
2. Resistance to soldering heat: +260 ±5 °C for 10 ± 1 second
3. At low temperature resistance (-40 ±2°C) the inductance change is within ±5% and the Q within ±10%
4. At high temperature resistance (+85 ±5°C) the inductance change is within ±5% and the Q within ±10%
5. At high temperature load (+85 ±2°C) the inductance change is within ±5% and the Q within ±10%
2
www.eaton.com/electronics
6. Insulation Resistance: ≥ 500 MΩ with an input voltage of 100 V ±15 Vdc
7 Temperature Characteristics: From -40 °C to +85 °C the inductance is within ±5%
8. Rated I: When rated I is applied to the product, self-temperature rise will be 20 °C or less.
9. Part Number Definition: WCL2520-xxx-R
WCL2520 = Product code and size
xxx= inductance value in uH, R= decimal point,
If no R is present then last character equals number of zeros
-R suffix = RoHS compliant
Technical Data 10931
WCL3225
Wire wound chip inductor
Effective July 2019
Dimensions (mm)
Recommended pad layout
F
Schematic
G
H
H
C
A
D
E
Part Number
A
B
C
D
E
F
G
H
WCL3225-xxx-R
3.5 max
2.9 max
2.25 max
0.50 ref
2.1 ref
2.54
1.78
1.02
Part marking: xxx= =Inductance value in uH, R=decimal point. If no R is present then last character equals number of zeros
All soldering surfaces to be coplanar within 0.1 millimeters
Tolerances are ±0.2 millimeters unless stated otherwise
Pad layout tolerances are ±0.1 millimeters unless stated otherwise
Do not route traces or vias underneath the inductor
Packaging information (mm)
Drawing not to scale
Supplied in tape and reel packaging, 2000 parts per 7” diameter reel
W ±0.30
F±0.05
E1±0.10
E2 Min
P0±0.10
P1±0.10
P2±0.05
D0+0.10/-0
D1+0.10/-0
A0
B0
K0
T Max
8.00
3.50
1.75
6.25
4.00
4.00
2.00
1.50
0.65
2.96±0.05
3.60±0.10
2.4 ±0.10
0.23
www.eaton.com/electronics
3
WCL3225
Wire wound chip inductor
Technical Data 10931
Effective July 2019
Inductance vs frequency
15
Inductance˄uH˅
12
WCL3225-100-R
9
6
WCL3225-4R7-R
3
0
WCL3225-1R5-R
1
10
100
1000
10000
Frequency [MHz]
Q vs frequency
40
30
Q
WCL3225-4R7-R
WCL3225-1R5-R
20
WCL3225-100-R
10
0
1
10
100
Frequency [MHz]
4
www.eaton.com/electronics
1000
Technical Data 10931
WCL3225
Wire wound chip inductor
Effective July 2019
Solder reflow profile
TP
TC -5 °C
tP
Max. ramp up rate = 3° C/s
Max. ramp down rate = 6 °C/s
Temperature
TL
Preheat
A
T smax
Package
Thickness
Volume
mm3
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