SPECIFICATION FOR APPROVAL
REF :
PROD.
NAME
PAGE: 1
SMD TOROIDAL POWER FILTER
ABC'S DWG NO.
ABC'S ITEM NO.
ST2412□□□□L□-□□□
Ⅰ﹒CONFIGURATION
& DIMENSIONS:
A :
A` :
B :
C :
C` :
D :
20.96 ± 0.3
22.00 max.
23.50 ± 0.4
10.00 typ.
11.80 max.
21.50 typ.
m/m
m/m
m/m
m/m
m/m
m/m
100
Marking
Inductance code
D
B
C`
C
A`
A
21.5
1
4
1
4
2.54
2
3
2
3
( PCB Pattern )
FIG. A
FIG. B
b
Ⅱ﹒SCHEMATIC
DIAGRAM:
1
1 2
FIG. A
3 4
2
FIG. B
4
21.5
a
3
c
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 Temperature:
260℃
50sec 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.
AR-001A
100
50
0
50
100
150
Time ( seconds )
200
250