MOLDED WIREWOUND CHIP INDUCTORS
1. PART NO. EXPRESSION :
WI322522-R12KF-
(a)
(b)
(c) (d)
(e)
(f)
WI322522 SERIES
(a) Series code
(b) Dimension code
(c) Inductance code : R12 = 0.12uH
(d) Tolerance code : J = ±5%, K = ±10%, M = ±20%
(e) F : RoHS Compliant
(f) 11 ~ 99 : Internal controlled number
2. CONFIGURATION & DIMENSIONS :
A'
R12
A
I
G
I
C
F
F
E
B
PCB Pattern
Unit:m/m
E
1.0±0.3
F
0.6±0.2
G
1.8 Ref.
H
1.4 Ref.
I
1.0 Ref.
A'
3.2±0.4
A
2.9±0.2
B
2.5±0.2
C
2.2±0.2
3. SCHEMATIC :
4. MATERIALS :
d
(a) Core : DR Ferrite Core
(b) Wire : Enamelled Copper Wire
a
(c) Terminal : Tinned Copper Flat
(d) Capsulate : Epoxy Novolac Molding Compound
c
b
NOTE : Specifications subject to change without notice. Please check our website for latest information.
H
23.02.2011
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 1
MOLDED WIREWOUND CHIP INDUCTORS
5. GENERAL SPECIFICATION :
a) Temp. rise : 20°C Max.
b) Ambient temp. : 100°C Max.
c) Storage temp. : -40°C to +125°C
d) Operating temp. : -40°C to +125°C
e) Terminal strength : 0.5Kg Min.
f) Rated current : Current cause inductance drop within 10%
g) Resistance to solder heat : 260°C for 10secs
h) Resistance to solvent : Per MIL-STD-202F
WI322522 SERIES
6. RECOMMENDED REFLOW SOLDERING PROFILE :
Profile Feature
Preheat & Soak
Temperature min. ( T
smin
)
Temperature max. ( T
smax
)
Time ( T
smin
to T
smax
) ( t
s
)
Average ramp-up rate
( T
smax
to T
p
)
Liquidous temperature ( T
L
)
Time at liquidous ( t
L
)
Peak package body
temperature ( T
p
)
Time ( t
p
) within 5°C of the
specified classification
temperature ( T
c
)
Average ramp-down rate
( T
p
to T
smax
)
Time 25°C to peak
temperature
100°C
150°C
60~120 seconds
30°C/second max.
183°C
60~150 seconds
230°C
150°C
200°C
60~120 seconds
3°C/second max.
217°C
60~150 seconds
250°C
Sn-Pb Eutectic Assembly
Pb-Free Assembly
10 seconds max
10 seconds max
6°C/second max.
6 minutes max.
6°C/second max.
8 minutes max.
NOTE : Specifications subject to change without notice. Please check our website for latest information.
23.02.2011
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 2
MOLDED WIREWOUND CHIP INDUCTORS
7. ELECTRICAL CHARACTERISTICS :
Part No.
WI322522-R12
WI322522-R15
WI322522-R18
WI322522-R22
WI322522-R27
F-
F-
F-
F-
F-
Inductance
( µH )
0.12
0.15
0.18
0.22
0.27
0.33
0.39
0.47
0.56
0.68
0.82
1.00
1.20
1.50
1.80
2.40
2.70
3.30
3.90
4.70
5.60
6.80
8.20
10.00
12.00
15.00
18.00
22.00
27.00
33.00
39.00
47.00
56.00
68.00
82.00
100.00
120.00
150.00
180.00
220.00
Q
Min.
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
30
20
20
20
20
20
Test
Frequency
( MHz )
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
25.2
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
SRF
( MHz )
Min.
500
450
400
350
320
300
250
220
180
160
140
120
100
70
75
50
45
40
37
32
30
28
25
23
20
20
20
20
20
17
16
15
13
12
11
10
8.0
8.0
6.0
6.0
WI322522 SERIES
RDC
( )
Max.
0.220
0.250
0.280
0.320
0.360
0.400
0.450
0.500
0.550
0.600
0.650
0.700
0.750
0.850
0.900
1.000
1.100
1.200
1.300
1.500
1.600
1.800
2.000
2.100
2.500
2.800
3.300
3.700
5.000
5.600
6.400
7.000
8.000
9.000
10.000
11.000
12.000
16.000
17.000
21.000
IDC
( mA )
Max.
450
450
450
450
450
450
450
450
450
450
450
400
390
370
454
320
290
260
250
220
200
180
170
150
140
130
120
110
153
70
65
60
55
50
45
40
70
65
60
50
WI322522-R33 F-
WI322522-R39 F-
WI322522-R47
WI322522-R56
WI322522-R68
WI322522-R82
WI322522-1R0
WI322522-1R2
WI322522-1R5
WI322522-1R8
WI322522-2R4
WI322522-2R7
WI322522-3R3
WI322522-3R9
WI322522-4R7
WI322522-5R6
WI322522-6R8
WI322522-8R2
WI322522-100
WI322522-120
WI322522-150
WI322522-180
WI322522-220
WI322522-270
WI322522-330
WI322522-390
WI322522-470
WI322522-560
WI322522-680
WI322522-820
WI322522-101
WI322522-121
WI322522-151
WI322522-181
WI322522-221
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
F-
Inductance tolerance : J : ±5%
K : ±10%
M : ±20%
NOTE : Specifications subject to change without notice. Please check our website for latest information.
23.02.2011
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 3
MOLDED WIREWOUND CHIP INDUCTORS
8. PACKAGING INFORMATION :
( 1 ) CONFIGURATION
T
WI322522 SERIES
COVER TAPE
2.0±0.5
N
ØC
ØC
B
A
D
G
EMBOSSED CARRIER
* CARRIER TAPE WIDTH : D
P:4m/m
4 m/m
R12
R12
R12
R12
R12
R12
R12
( 2 ) DIMENSIONS
A
178
B
21±0.8
C
13
D
8
G
10
+0
N
50
-0
R12
Unit:m/m
T
12.5
( 3 ) Q'TY & G.W. PER PACKAGE
Packing : 2000pcs/reel
NOTE : Specifications subject to change without notice. Please check our website for latest information.
23.02.2011
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 4
MOLDED WIREWOUND CHIP INDUCTORS
9. RELIABILTY TEST :
WI322522 SERIES
TEST ITEM
SPECIFICATION
TEST CONDITION / TEST METHOD
ELECTRICAL PERFORMANCE TEST
INDUCTANCE L
Q
SELF RESONANCE
FREQUENCY SRF
DC RESISTANCE RDC
REFER TO STANDARD
ELECTRICAL
CHARACTERISTIC LIST
Q-METER : HP4342A,
HP4194A,
HPE4991A
HPE4991A
IMPEDANCE ANALYZER :
WHEATSTONE BRIDGE :
DIGITAL MULITMETER :
HP4194A,
YEW-2755
502BC
APPLIED THE CURRENT TO COILS, THE
RATED CURRENT IDC
INDUCTANCE CHANGE SHALL BE LESS THAN 10%
TO INITIAL VALUE & TEMPERATURE RISE SHALL
NOT BE MORE THAN 20°C
1. APPLIED THE ALLOWED DC CURRENT FOR
TEMPERATURE
RISE TEST
20°C MAX
10 MINUTES
2. TEMPERATURE MEASURE BY DIGITAL
SURFACE THERMOMETER
AFTER TEST, INDUCTORS
OVER LOAD TEST
SHALL BE NO EVIDENCE
OF ELECTRICAL AND
MECHANICAL DAMAGE
AFTER TEST, INDUCTORS
WITHSTANDING
VOLTAGE TEST
SHALL BE NO EVIDENCE
OF ELECTRICAL AND
MECHANICAL DAMAGE
INSULATION
RESISTANCE TEST
1000 MOHM MIN.
250 VDC APPLIED BETWEEN INDUCTOR TERMINAL
AND CASE
AC VOLTAGE OF 1000VAC APPLIED BETWEEN
INDUCTORS TERMINAL AND CASE FOR 1 MINUTE
APPLIED 2 TIMES OF RATED ALLOWED DC
CURRENT TO INDUCTOR FOR A PERIOD OF
5 MINUTES
MECHANICAL PERFORMANCE TEST
1. INDUCTORS SHALL BE
VIBRATION TEST
( LOW FREQUENCY )
NO EVIDENCE OF
ELECTRICAL AND
MECHANICAL DAMAGE
2. INDUCTANCE SHALL
SHOCK TEST
NOT CHANGE MORE
THAN ±5%
RESISTANCE TO
SOLDERING HEAT
3. Q SHALL NOT CHANGE
MORE THAN ±20%
1. AMPLITUDE :1.5 m/m
2. FFREQUENCY :10 -- 55 -- 10 HZ / 1MIN
3. DIRECTION :X, Y, Z
4. DURATION :2 HRS / X, Y, Z
INDUCTORS SHALL BE DROPPED 10 TIMES FROM
A HEIGHT OF 1m ONTO 3cm WOODEN BOARD
TEMP :260±5°C
TIME :10±1.0 SEC
NOTE : Specifications subject to change without notice. Please check our website for latest information.
23.02.2011
SUPERWORLD ELECTRONICS (S) PTE LTD
PG. 5
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