SMD
Power Inductors and Transformers
8409-XX
INDUCTORS: low inductance with high current when wired in
parallel or higher inductance with lower current when wired in series
TRANSFORMERS: (1:1) electrical isolation and a wide voltage
transformation
• Extended temperature range –40°C to +85°C
• Isolation voltage: 300 Vdc
MECHANICAL AND SCHEMATIC (All dimensions in inches)
SUGGESTED PAD LAYOUT
SCHEMATICS
ELECTRICAL SPECIFICATIONS @ 25˚C
Parallel Ratings
Series Ratings
Rated
Inductance Nominal
OCL1
OCL1
Nominal
±±25
Part
Number
DCR4
@±0˚C
(Ω typ.)
DCR4
@±0˚C
(Ω typ.)
Isat.±
(A)
Irms.3
(A)
Isat.±
(A)
Irms.3
(A)
(µH)
±±25
(µH)
(µH)
8409-01
8409-0±
8409-03
8409-04
8409-02
8409-06
8409-07
8409-08
8409-09
8409-10
8409-11
8409-1±
8409-13
8409-14
8409-12
8409-16
8409-17
0.33
0.68
1.0
2.0
5.0
0.284
0.675
1.26
1.98
5.06
18.8
12.5
9.38
7.50
4.69
3.75
3.13
2.68
2.34
2.08
1.79
1.50
1.29
1.04
0.85
0.75
0.60
10.9
9.4
0.0033
0.0045
0.0058
0.0090
0.021
0.032
0.047
0.054
0.078
0.111
0.162
0.240
0.342
0.695
0.842
0.950
1.174
1.14
2.70
5.06
9.38
6.25
4.69
3.75
2.34
1.88
1.56
1.34
1.17
1.04
0.89
0.75
0.65
0.52
0.43
0.38
0.30
5.47
4.68
4.11
3.37
2.17
1.75
1.45
1.35
1.12
0.94
0.78
0.64
0.54
0.38
0.34
0.32
0.29
0.0132
0.0180
0.0233
0.035
0.084
0.129
0.188
0.218
0.313
0.443
0.649
0.961
1.367
2.778
3.366
3.800
4.697
8.22
6.74
4.34
3.50
2.89
2.69
2.24
1.89
1.56
1.28
1.07
0.75
0.68
0.64
0.58
7.90
20.22
31.60
45.50
61.94
80.90
102.38
139.4
197.5
265.8
409.5
611.8
790.0
1215
8.0
7.90
10.0
15.0
20.0
25.0
33.0
50.0
68.0
100.0
150.0
200.0
300.0
11.38
15.48
20.22
25.60
34.84
49.38
66.44
102.38
152.9
197.5
303.7
1. Measured @ 100kHz, 0.250Vrms, 0.0Adc
Parallel (1,4 – 3,2); Series (1–3) tie (2–4)
2. Peak current for approximately 30% roll-off
3. RMS current, delta temp. of 40°C ambient
temperature of 85°C
4. Values @ 20°C, Maximum DCR is +15% of typical value
5. Turns Ratio: (1-2):(4-3) 1:1
229 Colonnade Road, Nepean, Ontario, Canada K2E 7K3
Tel: (613) 226-1626 Fax: (613) 226-7124 www.filtran.com
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