Shielded SMD Power Inductors
Type 3631 Series
Type 3631 Series
Electrical Characteristics -
3631A Series
Inductance
Code
2R5
5R0
7R5
100
120
150
180
220
250
330
390
500
560
680
750
101
121
151
181
221
271
331
391
471
561
681
821
Inductance
(µH)
2.5
5.0
7.5
10.0
12.0
15.0
18.0
22.0
25.0
33.0
39.0
50.0
56.0
68.0
75.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Test Freq.
(Hz)
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1k
R.D.C. (mΩ)
Max.
24.0
35.0
40.0
54.0
65.0
70.0
82.0
95.0
120.0
145.0
160.0
200.0
240.0
280.0
330.0
400.0
500.0
580.0
750.0
840.0
1000.0
1340.0
1500.0
1980.0
2200.0
2400.0
3000.0
I.D.C. (A)
Max.
5.00
4.00
3.50
3.00
2.80
2.70
2.60
2.40
2.00
1.80
1.65
1.50
1.40
1.30
1.20
1.00
0.90
0.80
0.70
0.65
0.60
0.54
0.50
0.45
0.40
0.35
0.30
The 3631 series of SMD shielded
Power Inductors are designed to
handle high current and have been
designed for use in SMD power
circuits. With the superior ferrite core
material and its low profile construction
we can ensure excellent inductance
characteristics coupled with proven
Tyco Sigma quality.
Key Features
I
I
I
I
I
I
I
Very High Current Capability
Wide Value Range
Available in 6 different styles
Up to 14A
Down to 4mm height
High reliability
Taped and Reeled
Electrical Characteristics -
3631B Series
Inductance
Code
2R5
5R0
7R5
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
Inductance
(µH)
2.5
5.0
7.5
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Test Freq.
(Hz)
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
R.D.C. (mΩ)
Max.
16.0
22.0
25.0
35.0
38.0
42.0
50.0
62.0
68.0
90.0
100.0
130.0
155.0
170.0
185.0
220.0
260.0
320.0
330.0
460.0
520.0
660.0
870.0
I.D.C. (A)
Max.
6.20
4.70
3.80
3.30
3.00
2.80
2.50
2.30
2.00
1.90
1.75
1.60
1.45
1.30
1.20
1.10
1.00
0.90
0.80
0.70
0.65
0.60
0.55
Literature No. 1773153
Issued: 07-06
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
www.tycoelectronics.com
passives.tycoelectronics.com
Shielded SMD Power Inductors
Type 3631 Series
Electrical Characteristics -
3631B Series (continued)
Inductance
Code
471
561
681
821
102
122
152
Inductance
(µH)
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
Tolerance
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Test Freq.
(Hz)
1K
1K
1K
1k
1K
1K
1K
R.D.C. (mΩ)
Max.
970.0
1320.0
1500.0
1700.0
2300.0
2650.0
3500.0
I.D.C. (A)
Max.
0.50
0.45
0.40
0.35
0.30
0.25
0.20
Electrical Characteristics -
3631C Series
Inductance
Code
2R5
4R5
6R5
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
221
271
331
391
471
561
681
821
102
122
152
Inductance
(µH)
2.5
4.5
6.5
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
120.0
150.0
180.0
220.0
270.0
330.0
390.0
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
Test Freq.
(Hz)
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
R.D.C. (mΩ)
Max.
11.4
14.0
18.0
21.0
25.0
36.0
40.0
43.0
48.0
62.0
76.0
85.0
110.0
135.0
150.0
170.0
190.0
240.0
270.0
380.0
400.0
650.0
670.0
850.0
900.0
1000.0
1150.0
1650.0
2000.0
2350.0
I.D.C. (A)
Max.
7.80
6.80
6.50
5.40
4.90
4.50
3.90
3.60
3.40
3.00
2.70
2.50
2.30
2.10
1.90
1.70
1.50
1.40
1.30
1.10
1.00
0.90
0.85
0.80
0.70
0.65
0.60
0.55
0.40
0.36
Environmental Characteristics -
A, B, C, Series
Storage Temp:
Operating Temp:
Rated Current:
Temp. Rise:
-50°C to +125°C
-25°C to +105°C
Base on temp. rise &
∆L/L=10%
typ.
40°C max.
Literature No. 1773153
Issued: 07-06
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
www.tycoelectronics.com
passives.tycoelectronics.com
Shielded SMD Power Inductors
Type 3631 Series
Dimensions
A, B, C Series
Series
3631A
3631B
3631C
A ±0.3
12.7
12.7
12.7
B ±0.3
12.7
12.7
12.7
C ±0.5
5.0
6.0
8.0
D ±0.2
5.0
5.0
5.0
E (typ)
8.1
8.1
8.1
F (ref)
6.0
6.0
6.0
G (ref)
7.0
7.0
7.0
H (ref)
4.0
4.0
4.0
Electrical Characteristics -
3631D Series
Inductance
Code
1R2
2R4
3R5
4R7
6R1
7R6
100
120
150
180
220
270
330
390
470
560
680
820
101
Inductance
(µH)
1.20
2.40
3.50
4.70
6.10
7.60
10.0
12.0
15.0
18.0
22.0
27.0
33.0
39.0
47.0
56.0
68.0
82.0
100.0
Tolerance
±30%
±30%
±30%
±30%
±30%
±30%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Test Freq.
(Hz)
100K
100K
100K
100K
100K
100K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
1K
R.D.C. (mΩ)
Max.
8.0
11.5
13.0
15.5
17.0
19.0
20.0
23.0
27.0
36.0
43.0
45.0
60.0
70.0
86.0
100.0
110.0
145.0
180.0
Irms
(A)
9.20
7.80
7.50
6.80
6.60
6.00
5.50
5.20
5.00
4.20
4.00
3.60
3.00
2.80
2.60
2.30
2.10
1.95
1.70
Isat
(A)
9.80
8.00
7.60
7.00
6.80
6.20
5.50
5.00
4.60
3.90
3.70
3.30
2.80
2.70
2.50
2.20
2.10
1.90
1.70
Literature No. 1773153
Issued: 07-06
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
www.tycoelectronics.com
passives.tycoelectronics.com
Shielded SMD Power Inductors
Type 3631 Series
Electrical Characteristics -
3631E Series
Inductance
Code
1R5
3R3
4R7
5R6
6R8
100
150
220
330
470
680
101
Inductance
(µH)
1.5
3.3
4.7
5.6
6.8
10.0
15.0
22.0
33.0
47.0
68.0
100.0
Tolerance
±30%
±30%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Test Freq.
(Hz)
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
100K
R.D.C. (mΩ)
Max.
9.5
15.0
18.0
20.0
23.0
32.0
47.0
67.5
97.0
135.0
200.0
300.0
Irms
(A)
9.20
6.80
6.00
5.40
5.20
4.00
3.50
3.00
2.30
2.00
1.50
1.25
Isat
(A)
9.00
6.50
5.60
5.10
4.70
4.00
3.20
2.60
2.10
1.80
1.50
1.20
Electrical Characteristics -
3631F Series
Inductance
Code
1R1
2R4
3R3
4R5
5R6
7R5
100
150
220
330
470
680
101
Inductance
(µH)
1.1
2.4
3.3
4.5
5.6
7.5
10.0
15.0
22.0
33.0
47.0
68.0
100.0
Tolerance
±30%
±30%
±30%
±30%
±30%
±30%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
Test Freq.
(Hz)
100K
100K
100K
100K
100K
100K
1K
1K
1K
1K
1K
1K
1K
R.D.C. (mΩ)
Max.
6.5
10.0
12.0
13.5
16.0
17.5
19.5
28.5
38.6
57.0
80.0
120.0
150.0
Irms
(A)
10.2
9.2
8.8
8.5
8.0
6.4
6.0
5.2
4.3
3.5
2.9
2.4
2.1
Isat
(A)
14.0
10.5
9.8
9.0
8.5
7.0
6.3
5.0
4.1
3.3
2.8
2.3
2.0
Environmental Characteristics -
D, E, F, Series
Storage Temp:
Operating Temp:
Rated Current:
Temp. Rise:
-40°C to +125°C
-40°C to +125°C (Temp. Rise Included)
Base on temp. rise &
∆L/L=25%
typ.
40°C typ.
Literature No. 1773153
Issued: 07-06
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
www.tycoelectronics.com
passives.tycoelectronics.com
Shielded SMD Power Inductors
Type 3631 Series
Dimensions
D, E, F Series
Series
3631D
3631E
3631F
A ±0.3
12.5
12.5
12.5
B ±0.3
12.5
12.5
12.5
C ±0.5
6.0
4.0
7.5
D ±0.3
5.0
5.0
5.0
E (typ)
7.0
7.0
7.0
F (ref)
6.8
6.8
6.8
G (ref)
5.4
5.4
5.4
H (ref)
2.9
2.9
2.9
Reliability Test -
D, E, F Series
Test Item
Temperature Cycling:
Specification
∆L/L ≤±20%
Test Condition
Room Temp.
15 minutes
Room Temp.
15 minutes
Humidity Resistance Test:
∆L/L ≤±20%
-25± 2°C
30 minutes
85± 2°C
30 minutes
Total: 50 cycles
Temperature: 40± 2°C
Humidity: 90 ~ 95%
Applied Current: Per spec.
Time: 500 hours
Temperature: 85± 2°C
Applied Current: Per spec.
Time: 500 hours
High Temp. Resistance Test:
∆L/L ≤±20%
How to Order
3631
Common Part
A
Style
2R5
Inductance
See Relevant Table for
Inductance Code
K
Tolerance
K - ±10%
L - ±15%
T
Package
3631
A, B, C, D, E or F
T - Taped and Reeled
M - 20%
N - 30%
Literature No. 1773153
Issued: 07-06
Dimensions are shown for
reference purposes only.
Dimensions are in millimetres
unless otherwise specified.
Specifications subject to
change.
www.tycoelectronics.com
passives.tycoelectronics.com
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