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參數(shù)資料
| 型號： | RM4391D |
| 廠商： | RAYTHEON SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Inverting and Step-Down Switching Regulator |
| 中文描述： | 0.375 A SWITCHING REGULATOR, CDIP8 |
| 文件頁數(shù)： | 19/22頁 |
| 文件大小： | 153K |
| 代理商： | RM4391D |
RC4391
PRODUCT SPECIFICATION
19
Mechanical Dimensions
8-Lead Ceramic DIP Package
5
8
1
4
A
b1
b2
c1
D
—
.014
.045
.008
—
.200
.023
.065
.015
.405
—
.36
1.14
.20
—
5.08
.58
1.65
.38
10.29
Symbol
Inches
Min.
Max.
Min.
Max.
Millimeters
Notes
E
e
eA
.220
.310
5.59
7.87
.100 BSC
.300 BSC
2.54 BSC
7.62 BSC
L
Q
s1
.125
.015
.005
90
.200
.060
—
105
3.18
.38
.13
90
5.08
1.52
—
105
3
6
8
4
4
8
2, 8
5, 9
7
a
Notes:
1.
Index area: a notch or a pin one identification mark shall be located
adjacent to pin one. The manufacturer's identification shall not be
used as pin one identification mark.
The minimum limit for dimension "b2" may be .023 (.58mm) for leads
number 1, 4, 5 and 8 only.
Dimension "Q" shall be measured from the seating plane to the base
plane.
This dimension allows for off-center lid, meniscus and glass overrun.
The basic pin spacing is .100 (2.54mm) between centerlines. Each
pin centerline shall be located within
±
.010 (.25mm) of its exact
longitudinal position relative to pins 1 and 8.
Applies to all four corners (leads number 1, 4, 5, and 8).
"eA" shall be measured at the center of the lead bends or at the
centerline of the leads when "
a
" is 90
.
All leads – Increase maximum limit by .003 (.08mm) measured at the
center of the flat, when lead finish applied.
Six spaces.
2.
3.
4.
5.
6.
7.
8.
9.
Note 1
D
E
s1
b2
Q
A
e
b1
L
eA
c1
a
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