SPECIFICATION FOR APPROVAL
REF : 20070821-A
PROD.
NAME
PAGE: 1
ABC'S DWG NO.
ABC'S ITEM NO.
ST1711□□□□L□-□□□
SMD TOROIDAL POWER FILTER
Ⅰ﹒CONFIGURATION
& DIMENSIONS:
2R8
MARKING
INDUCTANCE CODE
A :
A` :
B :
C :
C` :
D :
C`
16.50
17.80
17.30
9.12
10.50
14.80
± 0.4
max.
± 0.4
typ.
max.
typ.
m/m
m/m
m/m
m/m
m/m
m/m
C
A
A`
2.54
1
4
( PCB Pattern )
Ⅱ﹒SCHEMATIC
DIAGRAM:
a
c
1
2
4
3
b
Ⅲ﹒MATERIALS:
a﹒Core:Iron Toroidal Core
b﹒Case:PPS-R7
c﹒Wire:Enamelled Copper Wire ( class F )
d﹒Adhesive:Epoxy Resin
e﹒Remark:Products comply with RoHS'
requirements
Peak Temp:260℃ max.
Max time above 230℃
:50sec
max.
Max time above 200℃
:70sec
max.
Temperature
Rising Area
+4.0
℃
/ sec max.
Preheat Area
150 ~ 200
℃
/ 60 ~ 120sec
Reflow Area
+2.0 ~ 4.0
℃
Forced Cooling Area
-(1.0 ~ 5.0)
℃
/ sec max.
Peak Temp erature:
260℃
5 0sec max.
230℃
250
Temperature (
℃
)
200
150
70sec max.
Ⅳ﹒GENERAL
SPECIFICATION:
a﹒Temp. Rise
:40℃
typ.
b﹒Storage Temp.:-40℃ ----+130℃
c﹒Operating Temp.:-25℃----+130℃
d﹒Resistance To Solder Heat:260℃.10 Secs.
100
50
14.60
0
50
100
150
Time ( seconds )
200
250
2
3
AR-001A
3.20
D
B
14.80