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SMTSDR SERIES
MINIATURE SMD CHIP CHOKE COILS
Applications :
．Pagers,Cordless phone.
．High Freq.Communication Products.
．Personal computers.
．Disk Drives and computer peripherals.
．DC power supply circuits.
Shape and Dimensions (Dimensions are in mm) :
Item A B C E Min. F Min. H I J
SMTSDR322515
SMTSDR321618C
SMTSDR322520(C)
SMTSDR453226(C)
SMTSDR575047C
3.2±0.3
3.2±0.3
3.2±0.3
4.5±0.3
5.7±0.3
2.5±0.2
1.6±0.2
2.5±0.2
3.2±0.2
5.0±0.3
1.55±0.3
1.8±0.3
2.0±0.3
2.6±0.3
4.7±0.3
0.7
0.7
0.7
1.0
1.3
0.7
0.7
0.7
1.0
1.7
2.0
1.5
2.0
3.0
5.0
1.5
1.5
1.5
2.0
2.0
1.0
1.0
1.0
1.2
2.0
Features : Product identification :
．These miniature chip inductors wound on a special S M T S D R 4 5 3 2 2 6 C - 1 0 1 K
ferrite core. (1) (2) (3) (4) (5)
．SMTSDR322520 / 453226 / 322515 are high Q value
(1)Type : Surface Mounting Type.
at high frequencies and low DC resistance. (2)Style : SDR Type core, L=4.5mm W=3.2 Ht=2.6.
．SMTSDR321618C / 322520C / 453226C / 565047C (3)C: for Choke use, No C: for general use.
are low DC resistance, high current capacity, and (4)Inductance : 101 for 100uH.
high impedance characteristics. They are excellent (5)Inductance tolerance : J : ±5%; K : ±10%; M : ±20%.
for use as choke coil in DC power supply circuits.
Characteristics : Test equipments :
．Rated Current: It is either the inductance is 10% ．Inductance measured at 0Adc on HP 4284A LCR
lower than its initial value in DC. saturation meter or equivalent.
characteristics or temperature raise becomes ．DCR measured on Chroma 16502 micro-ohmmeter
△T=20℃(Ta=20℃), whichever is lower. or equivalent.
．Operating temp. : -30℃ to 105℃. ．Electrical specifications at 25℃.
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Inductance TEST DCR Rated SRF
Part No. L Freq. (Ω) Current (MHz)
(uH) ( 0.1V) Max. (mA) Max. Min.
SMTSDR322515-1R0M 1.0 1MHz 0.078 1000 100
SMTSDR322515-2R2M 2.2 1MHz 0.126 790 64
SMTSDR322515-4R7M 4.7 1MHz 0.195 650 43
SMTSDR322515-100K 10 1MHz 0.42 400 26
SMTSDR322515-150K 15 1MHz 0.75 300 22
SMTSDR322515-220K 22 1MHz 0.92 250 19
SMTSDR322515-330K 33 1MHz 1.40 200 17
SMTSDR322515-470K 47 1MHz 2.75 170 13
SMTSDR322515-680K 68 1MHz 3.60 130 9
SMTSDR322515-101K 100 1MHz 4.50 100 8
Typical performance curves :
l SMTSDR 322515 series
101
100
4R7
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l SMDSDR 322520 series
Inductance (μH) Quality Factor DCR SRF Rated
Part No. Nominal
Tolerance
Test Spec.
Test (Ω) (MHz) Current
Value (±%) Freq.
Min. Freq. Max. Min. (mA) Max.
SMTSDR322520 -
1R0
□
1.0 M 1MHz
20 1MHz 0.50 100 445
SMTSDR322520 -
1R2
□
1.2 M 1MHz
20 1MHz 0.60 100 425
SMTSDR322520 -
1R5
□
1.5 M,K 1MHz
20 1MHz 0.60 75 400
SMTSDR322520 -
1R8
□
1.8 M,K 1MHz
20 1MHz 0.70 60 390
SMTSDR322520 -
2R2
□
2.2 M,K 1MHz
20 1MHz 0.80 50 370
SMTSDR322520 -
2R7
□
2.7 M,K 1MHz
20 1MHz 0.90 43 320
SMTSDR322520 -
3R3□ 3.3 M,K 1MHz
20 1MHz 1.0 38 300
SMTSDR322520 -
3R9
□
3.9 M,K 1MHz
20 1MHz 1.1 35 290
SMTSDR322520 -
4R7
□
4.7 M,K 1MHz
20 1MHz 1.2 31 270
SMTSDR322520 -
5R6□ 5.6 M,K 1MHz
20 1MHz 1.3 28 250
SMTSDR322520 -
6R8
□
6.8 M,K 1MHz
20 1MHz 1.5 25 240
SMTSDR322520 -
8R2
□
8.2 M,K 1MHz
20 1MHz 1.6 23 225
SMTSDR322520 -
100
□
10 K,J 1MHz
35 1MHz 1.8 20 190
SMTSDR322520 -
120
□
12 K,J 1MHz
35 1MHz 2.0 18 180
SMTSDR322520 -
150
□
15 K,J 1MHz
35 1MHz 2.2 16 170
SMTSDR322520 -
180
□
18 K,J 1MHz
35 1MHz 2.5 15 165
SMTSDR322520 -
220
□
22 K,J 1MHz
35 1MHz 2.8 14 150
SMTSDR322520 -
270□ 27 K,J 1MHz
35 1MHz 3.1 13 125
SMTSDR322520 -
330
□
33 K,J 1MHz
40 1MHz 3.5 12 115
SMTSDR322520 -
390
□
39 K,J 1MHz
40 1MHz 3.9 11 110
SMTSDR322520 -
470
□
47 K,J 1MHz
40 1MHz 4.3 11 100
SMTSDR322520 -
560
□
56 K,J 1MHz
40 1MHz 4.9 10.0 85
SMTSDR322520 -
680
□
68 K,J 1MHz
40 1MHz 5.5 9.0 80
SMTSDR322520 -
820
□
82 K,J 1MHz
40 1MHz 6.2 8.5 70
SMTSDR322520 -
101
□
100 K,J 1MHz
40 796kHz
7.0 8.0 80
SMTSDR322520 -
121□ 120 K,J 1MHz
40 796kHz
8.0 7.5 75
SMTSDR322520 -
151
□
150 K,J 1MHz
40 796kHz
9.3 7.0 70
SMTSDR322520 -
181
□
180 K,J 1MHz
40 796kHz
10.2 6.0 65
SMTSDR322520 -
221□ 220 K,J 1MHz
40 796kHz
11.8 5.5 65
SMTSDR322520 -
271
□
270 K,J 1MHz
40 796kHz
12.5 5.0 65
SMTSDR322520 -
331
□
330 K,J 1MHz
40 796kHz
13.0 5.0 65
SMTSDR322520 -
391
□
390 K,J 1MHz
50 796kHz
22.0 5.0 50
SMTSDR322520 -
471
□
470 K,J 1kHz 50 796kHz
25.0 5.0 45
SMTSDR322520 -
561
□
560 K,J 1kHz 50 796kHz
28.0 5.0 (REF.)
40
Typical performance curves :
561
101
560
220
100
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l SMDSDR 453226 series
Inductance(uH) Quality Factor DCR SRF Rated
Part No. Nominal
Tolerance
Test Spec. Test (Ω) (MHz) Current
Value (±%) Freq. Min. Freq. Max. Min. (mA) Max.
SMTSDR453226 -1R0□ 1.0 M 1MHz 20 1MHz 0.20 120 500
SMTSDR453226 -1R2
□
1.2 M 1MHz 20 1MHz 0.20 100 500
SMTSDR453226 -1R5
□
1.5 M 1MHz 20 1MHz 0.30 85 500
SMTSDR453226 -1R8□ 1.8 M 1MHz 20 1MHz 0.30 75 500
SMTSDR453226 -2R2
□
2.2 M 1MHz 20 1MHz 0.30 62 500
SMTSDR453226 -2R7
□
2.7 M 1MHz 20 1MHz 0.32 53 500
SMTSDR453226 -3R3
□
3.3 M 1MHz 20 1MHz 0.35 47 500
SMTSDR453226 -3R9
□
3.9 M 1MHz 20 1MHz 0.38 41 500
SMTSDR453226 -4R7
□
4.7 M,K 1MHz 30 1MHz 0.40 38 500
SMTSDR453226 -5R6
□
5.6 M,K 1MHz 30 1MHz 0.47 33 500
SMTSDR453226 -6R8
□
6.8 M,K 1MHz 30 1MHz 0.50 31 450
SMTSDR453226 -8R2□ 8.2 M,K 1MHz 30 1MHz 0.56 27 450
SMTSDR453226 -100
□
10 K,J 1MHz 35 1MHz 0.56 23 400
SMTSDR453226 -120
□
12 K,J 1MHz 35 1MHz 0.62 21 380
SMTSDR453226 -150□ 15 K,J 1MHz 35 1MHz 0.73 19 360
SMTSDR453226 -180
□
18 K,J 1MHz 35 1MHz 0.82 17 340
SMTSDR453226 -220
□
22 K,J 1MHz 35 1MHz 0.94 15 320
SMTSDR453226 -270
□
27 K,J 1MHz 35 1MHz 1.1 14 300
SMTSDR453226 -330
□
33 K,J 1MHz 35 1MHz 1.2 12 270
SMTSDR453226 -390
□
39 K,J 1MHz 35 1MHz 1.4 11 240
SMTSDR453226 -470
□
47 K,J 1MHz 35 1MHz 1.5 10 220
SMTSDR453226 -560
□
56 K,J 1MHz 35 1MHz 1.7 9.3 200
SMTSDR453226 -680□ 68 K,J 1MHz 35 1MHz 1.9 8.4 180
SMTSDR453226 -820
□
82 K,J 1MHz 35 1MHz 2.2 7.5 170
SMTSDR453226 -101
□
100 K,J 1MHz 40 796kHz 2.5 6.8 160
SMTSDR453226 -121
□
120 K,J 1MHz 40 796kHz 3.0 6.2 150
SMTSDR453226 -151
□
150 K,J 1MHz 40 796kHz 3.7 5.5 130
SMTSDR453226 -181
□
180 K,J 1MHz 40 796kHz 4.5 5.0 120
SMTSDR453226 -221
□
220 K,J 1MHz 40 796kHz 5.4 4.5 110
SMTSDR453226 -271
□
270 K,J 1MHz 40 796kHz 6.8 4.0 100
SMTSDR453226 -331□ 330 K,J 1MHz 40 796kHz 8.2 3.6 95
SMTSDR453226 -391
□
390 K,J 1MHz 40 796kHz 9.7 3.3 90
SMTSDR453226 -471
□
470 K,J 1kHz 40 796kHz 11.8 3.0 80
SMTSDR453226 -561□ 560 K,J 1kHz 40 796kHz 14.5 2.7 70
SMTSDR453226 -681
□
680 K,J 1kHz 40 796kHz 17.0 2.5 65
SMTSDR453226 -821□ 820 K,J 1kHz 40 796kHz 20.5 2.2 60
SMTSDR453226 -102□ 1000 K,J 1kHz 40 252kHz 25.0 2.0 55
SMTSDR453226 -122□ 1200 K,J 1kHz 40 252kHz 30.0 1.8 50
SMTSDR453226 -152□ 1500 K,J 1kHz 40 252kHz 37.0 1.6 45
SMTSDR453226 -182□ 1800 K,J 1kHz 40 252kHz 45.0 1.5 35
SMTSDR453226 -222
□
2200 K,J 1kHz 40 252kHz 50.0 1.3 30
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Typical performance curves :
222 102
331
100
8R2
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l SMTSDR321618C series
Inductance
Tolerance Test DCR SRF Rated
Part No. L Freq. (Ω) (MHz) Current
(μH) (±%) (MHz) Max. Min. (mA) Max.
SMTSDR321618C -
R22
□
0.22 M 1MHz 0.140 250 850
SMTSDR321618C -
R47
□
0.47 M 1MHz 0.210 180 700
SMTSDR321618C -
1R0
□
1.0 M 1MHz 0.364 100 510
SMTSDR321618C -
2R2
□
2.2 M 1MHz 0.533 50 430
SMTSDR321618C -
4R7
□
4.7 M,K 1MHz 0.845 31 340
SMTSDR321618C -
100□ 10 K,J 1MHz 1.690 20 230
SMTSDR321618C -
220
□
22 K,J 1MHz 3.900 14 160
SMTSDR321618C -
470
□
47 K,J 1MHz 10.40 10 100
SMTSDR321618C -
SMTSDR322520C -
101
□
1R0
□
100
1.0 K,J
M 1MHz
1MHz 15.60
0.078 7
100 80
1000
SMTSDR322520C -
2R2
□
2.2 M 1MHz 0.126 64 790
SMTSDR322520C -
4R7
□
4.7 M 1MHz 0.195 43 450
SMTSDR322520C -
100
□
10 M 1MHz 0.572 26 300
SMTSDR322520C -
SMTSDR322520C -
220
□
470
□
22
47 M,K
M,K 1MHz
1MHz 0.923
1.69 19
12 250
170
SMTSDR322520C -
101
□
100 K,J 1MHz 4.55 8 100
SMTSDR322520C -
221
□
220 K,J 1MHz 10.92 5.5 70
SMTSDR322520C -
331□ 330 K,J 1MHz 13.00 4.5 60
SMTSDR322520C -
SMTSDR322520C -
391
□
471
□
390
470 K,J
K,J 1MHz
1MHz 22.10
24.70 4
3.7 60
60
SMTSDR322520C -
SMTSDR453226C -
561
□
1R0
□
560
1.0 K,J
M 1MHz
1MHz 28.60
0.08 3.4
100 60
1080
SMTSDR453226C -
1R5
□
1.5 M 1MHz 0.09 85 1000
SMTSDR453226C -
2R2
□
2.2 M 1MHz 0.11 60 900
SMTSDR453226C -
3R3
□
3.3 M 1MHz 0.13 47 800
SMTSDR453226C -
SMTSDR453226C -
4R7
□
6R8
□
4.7
6.8 M,K
M,K 1MHz
1MHz 0.15
0.20 35
30 750
720
SMTSDR453226C -
100
□
10 K,J 1MHz 0.24 23 650
SMTSDR453226C -
150□ 15 K,J 1MHz 0.32 20 570
SMTSDR453226C -
220
□
22 K,J 1MHz 0.60 15 420
SMTSDR453226C -
330
□
33 K,J 1MHz 1.0 12 310
SMTSDR453226C -
470
□
47 K,J 1MHz 1.1 10 280
SMTSDR453226C -
680
□
68 K,J 1MHz 1.7 8.4 220
SMTSDR453226C -
101
□
100 K,J 1MHz 2.2 6.8 190
SMTSDR453226C -
151
□
150 K,J 1MHz 3.5 5.5 130
SMTSDR453226C -
SMTSDR453226C -
221
□
331
□
220
330 K,J
K,J 1MHz
1MHz 4.0
6.8 4.5
3.6 110
100
SMTSDR453226C -
471
□
470 K,J 1MHz 8.5 3.0 90
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l SMTSDR575047C series
Inductance
Tolerance
Test
DCR SRF Rated
Part No. L Freq. (Ω) (MHz) Current
(μH) (±%) (MHz) Max. Min. (mA) Max.
SMTSDR575047C -R12
□
0.12 M 1MHz 0.0098 450 6000
SMTSDR575047C -
SMTSDR575047C -R27
□
R47
□
0.27
0.47 M
M 1MHz
1MHz 0.0140
0.0182 300
200 5300
4800
SMTSDR575047C -1R0□
1.0 M 1MHz 0.0270 150 4000
SMTSDR575047C -1R5
□
1.5 M 1MHz 0.0310 110 3700
SMTSDR575047C -2R2
□
2.2 M 1MHz 0.0410 80 3200
SMTSDR575047C -3R3
□
3.3 M 1MHz 0.0500 40 2900
SMTSDR575047C -4R7
□
4.7 M 1MHz 0.0574 30 2700
SMTSDR575047C -6R8
□
6.8 M 1MHz 0.1040 25 2000
SMTSDR575047C -100
□
10 M,K 1MHz 0.1300 20 1700
SMTSDR575047C -150
□
15 M,K 1MHz 0.210 17 1400
SMTSDR575047C -220□
22 M,K 1MHz 0.266 15 1200
SMTSDR575047C -330
□
33 M,K 1MHz 0.448 12 900
SMTSDR575047C -470
□
47 M,K 1MHz 0.560 10(REF.) 800
SMTSDR575047C -680□
68 M,K 1MHz 0.938 7.6 640
SMTSDR575047C -101
□
100 M,K 100kHz 1.204 6.5(REF.) 560
SMTSDR575047C -151
□
150 M,K 100kHz 2.660 5.0(REF.) 420
SMTSDR575047C -221
□
220 M,K 100kHz 3.360 4.0 320
SMTSDR575047C -331
□
330 M,K 100kHz 6.160 3.1 270
SMTSDR575047C -471
□
470 M,K 100kHz 7.560 2.4 240
SMTSDR575047C -681
□
680 M,K 100kHz 11.34 1.9 190
SMTSDR575047C -102
□
1000 M,K 10kHz 14.42 1.7 150
SMTSDR575047C -222
□
2200 M,K 10kHz 30.10 1.2 100
SMTSDR575047C -472
□
4700 M,K 10kHz 61.04 0.8 70
SMTSDR575047C -103
□
10000 M,K 10kHz 140.0 0.5 50
* Due to the limited space, the catalogue shows the typical specifications only. For more specific details ( characteristics graph, reliability, and others),
kindly invite you to access 3L official website www.3lcoil.com for better known.