Shielded SMD Power Inductors
Type 3631 Series
Key Features
I
Very High Current
Capability
I
Wide Value Range
I
Available in 6 different
styles
I
Up to 14A
I
Down to 4mm height
I
High reliability
I
Taped and Reeled
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.
Electrical Characteristics - 3631A Series
1773153 CIS BI 06/2011
Inductance
Code
Inductance
(μH)
Tolerance
Test Freq.
(Hz)
R.D.C. (mΩ)
Max.
I.D.C. (A)
Max.
2R5
2.5
±20%
1K
24.0
5.00
5R0
5.0
±20%
1K
35.0
4.00
7R5
7.5
±20%
1K
40.0
3.50
100
10.0
±20%
1K
54.0
3.00
120
12.0
±20%
1K
65.0
2.80
150
15.0
±20%
1K
70.0
2.70
180
18.0
±20%
1K
82.0
2.60
220
22.0
±20%
1K
95.0
2.40
250
25.0
±20%
1K
120.0
2.00
330
33.0
±20%
1K
145.0
1.80
390
39.0
±20%
1K
160.0
1.65
500
50.0
±10%
1K
200.0
1.50
560
56.0
±10%
1K
240.0
1.40
680
68.0
±10%
1K
280.0
1.30
750
75.0
±10%
1K
330.0
1.20
101
100.0
±10%
1K
400.0
1.00
121
120.0
±10%
1K
500.0
0.90
151
150.0
±10%
1K
580.0
0.80
181
180.0
±10%
1K
750.0
0.70
221
220.0
±10%
1K
840.0
0.65
271
270.0
±10%
1K
1000.0
0.60
331
330.0
±10%
1K
1340.0
0.54
391
390.0
±10%
1K
1500.0
0.50
471
470.0
±10%
1K
1980.0
0.45
561
560.0
±10%
1K
2200.0
0.40
681
680.0
±10%
1K
2400.0
0.35
821
820.0
±10%
1k
3000.0
0.30
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to: te.com/help
Shielded SMD Power Inductors
Type 3631 Series
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
471
561
681
821
102
122
152
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
470.0
560.0
680.0
820.0
1000.0
1200.0
1500.0
Tolerance
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±20%
±15%
±15%
±15%
±15%
±15%
±15%
±15%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±10%
±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.
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
970.0
1320.0
1500.0
1700.0
2300.0
2650.0
3500.0
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
0.50
0.45
0.40
0.35
0.30
0.25
0.20
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
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
1773153 CIS BI 06/2011
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
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%
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to: te.com/help
Shielded SMD Power Inductors
Type 3631 Series
Environmental Characteristics - A, B, C, Series
Storage Temp:
-50°C to +125°C
Operating Temp:
-25°C to +105°C
Rated Current:
Base on temp. rise & ΔL/L=10% typ.
Temp. Rise:
40°C max.
Dimensions
A, B, C Series
Series
A ±0.3
B ±0.3
C ±0.5
D ±0.2
E (typ)
F (ref)
G (ref)
H (ref)
3631A
12.7
12.7
5.0
5.0
8.1
6.0
7.0
4.0
3631B
12.7
12.7
6.0
5.0
8.1
6.0
7.0
4.0
3631C
12.7
12.7
8.0
5.0
8.1
6.0
7.0
4.0
Electrical Characteristics - 3631D Series
1773153 CIS BI 06/2011
Inductance
Code
Inductance
(μH)
Tolerance
Test Freq.
(Hz)
1R2
1.20
±30%
100K
8.0
9.20
9.80
2R4
2.40
±30%
100K
11.5
7.80
8.00
3R5
3.50
±30%
100K
13.0
7.50
7.60
4R7
4.70
±30%
100K
15.5
6.80
7.00
6R1
6.10
±30%
100K
17.0
6.60
6.80
7R6
7.60
±30%
100K
19.0
6.00
6.20
100
10.0
±20%
1K
20.0
5.50
5.50
120
12.0
±20%
1K
23.0
5.20
5.00
150
15.0
±20%
1K
27.0
5.00
4.60
180
18.0
±20%
1K
36.0
4.20
3.90
220
22.0
±20%
1K
43.0
4.00
3.70
270
27.0
±20%
1K
45.0
3.60
3.30
330
33.0
±20%
1K
60.0
3.00
2.80
390
39.0
±20%
1K
70.0
2.80
2.70
470
47.0
±20%
1K
86.0
2.60
2.50
560
56.0
±20%
1K
100.0
2.30
2.20
680
68.0
±20%
1K
110.0
2.10
2.10
820
82.0
±20%
1K
145.0
1.95
1.90
101
100.0
±20%
1K
180.0
1.70
1.70
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
R.D.C. (mΩ)
Max.
Irms
(A)
Isat
(A)
For email, phone or live chat, go to: te.com/help
Shielded SMD Power Inductors
Type 3631 Series
Electrical Characteristics - 3631E Series
Inductance
Code
Inductance
(μH)
Tolerance
Test Freq.
(Hz)
R.D.C. (mΩ)
Max.
Irms
(A)
Isat
(A)
1R5
1.5
±30%
100K
9.5
9.20
9.00
3R3
3.3
±30%
100K
15.0
6.80
6.50
4R7
4.7
±20%
100K
18.0
6.00
5.60
5R6
5.6
±20%
100K
20.0
5.40
5.10
6R8
6.8
±20%
100K
23.0
5.20
4.70
100
10.0
±20%
100K
32.0
4.00
4.00
150
15.0
±20%
100K
47.0
3.50
3.20
220
22.0
±20%
100K
67.5
3.00
2.60
330
33.0
±20%
100K
97.0
2.30
2.10
470
47.0
±20%
100K
135.0
2.00
1.80
680
68.0
±20%
100K
200.0
1.50
1.50
101
100.0
±20%
100K
300.0
1.25
1.20
R.D.C. (mΩ)
Max.
Irms
(A)
Isat
(A)
Electrical Characteristics - 3631F Series
Inductance
Code
Inductance
(μH)
Tolerance
Test Freq.
(Hz)
1R1
1.1
±30%
100K
6.5
10.2
14.0
2R4
2.4
±30%
100K
10.0
9.2
10.5
3R3
3.3
±30%
100K
12.0
8.8
9.8
4R5
4.5
±30%
100K
13.5
8.5
9.0
5R6
5.6
±30%
100K
16.0
8.0
8.5
7R5
7.5
±30%
100K
17.5
6.4
7.0
100
10.0
±20%
1K
19.5
6.0
6.3
150
15.0
±20%
1K
28.5
5.2
5.0
220
22.0
±20%
1K
38.6
4.3
4.1
330
33.0
±20%
1K
57.0
3.5
3.3
470
47.0
±20%
1K
80.0
2.9
2.8
680
68.0
±20%
1K
120.0
2.4
2.3
101
100.0
±20%
1K
150.0
2.1
2.0
Environmental Characteristics - D, E, F Series
Storage Temp:
-40°C to +125°C
Operating Temp:
1773153 CIS BI 06/2011
-40°C to +125°C (Temp. Rise Included)
Rated Current:
Base on temp. rise & ΔL/L=25% typ.
Temp. Rise:
40°C typ.
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to: te.com/help
Shielded SMD Power Inductors
Type 3631 Series
Electrical Characteristics - 3631G Series
Inductance
Code
Inductance
(μH)
DC Resistance
(milli Ohm max)
Rated Current
(A max)
1R2
2R4
1.2
7.0
9.80
2.4
11.5
8.00
3R5
3.5
13.5
7.50
4R7
4.7
15.8
6.80
6R1
6.1
17.6
6.60
7R6
7.6
20.0
5.90
100
10
21.6
5.40
120
12
24.3
4.90
150
15
27.0
4.50
180
18
39.2
3.90
220
22
43.2
3.60
270
27
45.9
3.40
330
33
64.8
3.00
390
39
72.9
2.75
470
47
100
2.50
560
56
110
2.35
680
68
140
2.10
820
82
180
1.95
101
100
220
1.70
121
120
250
1.60
151
150
280
1.42
181
180
450
1.30
221
220
390
1.16
271
270
560
1.06
331
330
640
0.95
391
390
700
0.88
471
470
980
0.79
561
560
1070
0.73
681
680
1460
0.67
821
820
1640
0.60
102
1000
1820
0.55
Environmental Characteristics - G Series
1773153 CIS BI 06/2011
Inductance Measuring Frequency:
1,0-8.2μH (7,96MHz) 10μH (1KHz 1Vrms)
Inductance Tolerance:
J ±5%, K ±10%, L ±15%, M ±20%, N ±30%
Inductance Drop:
20% typ. or temperature rise
Δt ≤ 40°C at rated current
Operating Temperature Range:
-40°C to +85°C
Electrical Specifications:
at 25°C
Dimensions are in millimeters
and inches unless otherwise
specified. Values in brackets
are standard equivalents.
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
For email, phone or live chat, go to: te.com/help
Shielded SMD Power Inductors
Type 3631 Series
Dimensions
D, E, F, G Series
Series
A ±0.3
B ±0.3
C ±0.5
D ±0.3
E (typ)
F (ref)
G (ref)
H (ref)
3631D
12.5
12.5
6.0
5.0
7.0
6.8
5.4
2.9
3631E
12.5
12.5
4.0
5.0
7.0
6.8
5.4
2.9
3631F
12.5
12.5
7.5
5.0
7.0
6.8
5.4
2.9
3631G
12.0
12.0
8.0 max
4.9±0.2
2.0
7.4
5.4
2.6
Reliability Test D, E, F Series
Test Item
Specification
Test Condition
Temperature Cycling:
ΔL/L ≤±20%
Room Temp.
15 minutes
-25± 2°C
30 minutes
Room Temp.
15 minutes
85± 2°C
30 minutes
Total: 50 cycles
Humidity Resistance Test:
ΔL/L ≤±20%
Temperature: 40± 2°C
Humidity: 90 ~ 95%
Applied Current: Per spec.
Time: 500 hours
High Temp. Resistance Test:
ΔL/L ≤±20%
Temperature: 85± 2°C
Applied Current: Per spec.
Time: 500 hours
How to Order
3631
A
2R5
K
T
Common Part
Style
Inductance
Tolerance
Package
K - ±10%
3631
A, B, C, D,
E, F or G
See Relevant Table
for Inductance Code
L - ±15%
M - 20%
T - Taped and
Reeled
N - 30%
TE Connectivity, TE connectivity (logo) and TE (logo) are trademarks.
Other logos, product and Company names mentioned herein may be trademarks of their respective owners.
While TE has made every reasonable effort to ensure the accuracy of the information in this datasheet, TE does not guarantee that it is error-free, nor does TE make any other
representation, warranty or guarantee that the information is accurate, correct, reliable or current. TE reserves the right to make any adjustments to the information contained herein
at any time without notice. TE expressly disclaims all implied warranties regarding the information contained herein, including, but not limited to, any implied warranties of merchantability or fitness for a particular purpose. The dimensions in this datasheet are for reference purposes only and are subject to change without notice. Specifications are subject to change
without notice. Consult TE for the latest dimensions and design specifications.
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