SMT Power Inductor
SIR85 Type
Features
RoHS compliant.
Low profile (4.9mm max. Height) SMD type.
Magnetically shielded, suitable for high density mounting.
High energy storage and low DCR.
Provided with embossed carrier tape packing.
Idel for power source circuits,
In addition to the standard versions shown here, customized inductors are available to meet your exact requirements.
Mechanical Dimension:
|
| RECOMMENDED PAD PATTERNS |
C | B | 7.5 |
|
| 4.0 |
| A | 10 2.0 |
UNIT:mm/inch
A= 7.8¡Ó 0.35 / 0.307¡Ó
0.014
B= 7.0¡Ó0.35 / 0.276¡Ó 
0.014
C= 4.5¡Ó0.4 / 0.177¡Ó 
0.016
Electrical Characteristics: 25oC, 100KHz, 0.1V
PART NO. | L 1 | DCR | Irated 2 | |
(uH) | ( ) MAX | (Adc) | ||
| ||||
SIR85 - 100 | 10 | 0.070 | 1.65 | |
SIR85 - 120 | 12 | 0.070 | 1.57 | |
SIR85 - 150 | 15 | 0.080 | 1.39 | |
SIR85 - 180 | 18 | 0.100 | 1.29 | |
SIR85 - 220 | 22 | 0.130 | 1.12 | |
SIR85 - 270 | 27 | 0.160 | 1.06 | |
SIR85 - 330 | 33 | 0.180 | 0.97 | |
SIR85 - 390 | 39 | 0.180 | 0.91 | |
SIR85 - 470 | 47 | 0.270 | 0.80 | |
SIR85 - 560 | 56 | 0.290 | 0.76 |
(uH)
1000.00
271
221
181
151
121
100.00 101
820
680
560
470
390
330
270
SIR85 - 680 | 68 | 0.330 | 0.68 |
SIR85 - 820 | 82 | 0.430 | 0.62 |
|
|
|
|
SIR85 - 101 | 100 | 0.490 | 0.55 |
|
|
|
|
SIR85 - 121 | 120 | 0.680 | 0.49 |
|
|
|
|
SIR85 - 151 | 150 | 0.940 | 0.44 |
|
|
|
|
SIR85 - 181 | 180 | 1.000 | 0.40 |
|
|
|
|
SIR85 - 221 | 220 | 1.180 | 0.36 |
|
|
|
|
SIR85 - 271 | 270 | 1.300 | 0.33 |
INDUCTANCE
10.00
1.00
220
180
150.
120
100
0.01 | 0.10 | 1.00 | 10.00 |
CURRENT (A)
1. Tolerance of inductance: 
20% for 10~27uH, 
15% for 33~82uH, 
10% for 100~270.
2.Irated is the DC current which cause the inductance drop 10% typical of its nominal inductance without current and the surface temperature of the part increase less than 45oC.
3.Operating temperature :
DELTA ELECTRONICS, INC.
(TAOYUAN PLANT CPBG) 252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL:
http://www.deltaww.com
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