Delta Electronics SI84 Leaflet

Page of 1
SMT Power Inductor
SI84 Type
Features
RoHS compliant.
mounting.
Low   profile   (4.0mm   max.   Height)   SMD   type.
Unshielded.
Self-leads,   suitable   for   high   density  
High   energy   storage   and   low   DCR.
Provided   with   embossed   carrier   tape   packing.
Idel   for   power   source   circuits,   DC-DC   converter,DC-AC   inverters  
inductor   applications.
In  addition  to  the  standard versions  shown  here, customized  inductors  
are  available  to meet  your  exact  requirements.
DELTA ELECTRONICS, INC.
 (TAOYUAN PLANT CPBG)
6
Electrical Characteristics:
0.00
0.01
0.10
1.00
10.00
CURRENT (A)
1.00
10.00
100.00
1000.00
IN
D
U
C
T
A
N
C
E
(u
H
)
100
120
150
180
220
270
330
390
470
560
680
820
101
121
151
181
271
331
221
252, SAN YING ROAD, KUEISAN INDUSTRIAL ZONE, TAOYUAN SHIEN, 333, TAIWAN, R.O.C.
TEL: 886-3-3591968; FAX: 886-3-3591991
http://www.deltaww.com
25
 100KHz, 0.1V  for  1.2~4.7uH.  1KHz,1.0V  for  10uH~1000uH.
o
C,
SI84 - 1R2 
1.2
0.008
8.00
SI84 - 2R2 
2.2
0.015
4.50
SI84 - 4R7 
4.7
0.041
2.00
SI84 - 100 
10.0
0.080
1.44
SI84 - 120 
12.0 
0.089
1.39
SI84 - 150 
15.0
0.104
1.24
SI84 - 180 
18.0
0.111
1.12
SI84 - 220 
22.0
0.129
1.07
SI84 - 270 
27.0
0.153
0.94
SI84 - 330 
33.0
0.170
0.85
SI84 - 390 
39.0
0.217
0.74
SI84 - 470 
47.0
0.252
0.68
SI84 - 560
56.0
0.282
0.64
SI84 - 680
68.0
0.332
0.59
SI84 - 820
82.0
0.406
0.54
SI84 - 101
100.0
0.481
0.51
SI84 - 121
120.0
0.536
0.49
SI84 - 151
150.0
0.755
0.40
SI84 - 181
180.0
1.022
0.36
        SI84 - 221
220.0
1.200
0.31
        SI84 - 271
270.0
1.306
0.29
        SI84 - 331
330.0
1.495
0.28
        SI84 - 471
470.0
2.300
0.24
        Si84 - 102
1000.0
5.500
0.17
PART NO.
 L  
(uH)  
1
DCR
(    ) MAX
Irated
(Adc)
2
1. Tolerance  of inductance : 
 
15%  for  1.2~4.7uH,  
 
10%  for  10~1000uH.
2. Irated  is  the  DC  current  which  cause  the  inductance  drop  less  than  10%  of  its  nominal  inductance  without  current  
o
    and the  surface  temperature  of  the  part  increase  less  than  45 C. 
o
o
3. Operating  temperature: -20 C  to  105 C  (including  self-temperature  rise).  
Mechanical Dimension: 
8.0
B
C
8.0
1.4
D
A
UNIT:mm/inch
A = 7.8    0.2 / 0.307    0.008
B = 7.0    0.2 / 0.276    0.008
C = 3.5    0.5 / 0.138    0.020
D = 1.5    0.2 / 0.059    0.008
¡Ó
¡Ó
¡Ó
¡Ó
¡Ó
¡Ó
¡Ó
¡Ó
RECOMMENDED  PAD  PATTERNS