PT2258(2000) 查看數據表（PDF） - Princeton Technology
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PT2258 Datasheet PDF : 15 Pages
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Princeton Technology Corp.
Tel : 886-2-29162151
Fax: 886-2-29174598
URL: http://www.princeton.com.tw
6-Channel Electronic Volume Controller IC Preliminary
PT2258
20-Pin, SO Package (300 mil)
Symbols
A
A1
B
C
D
E
e
H
h
L
α
Dimensions in Millimeter
Min.
Nom.
Max.
2.35
2.65
0.10
0.30
0.33
0.51
0.23
0.32
12.60
13.00
7.40
7.60
1.27 bsc.
10.00
10.65
0.25
0.75
0.40
1.27
0o
8o
Notes: 1. Dimensioning and tolerancing per ANSI Y14.5-1982.
2. Dimension “D” does not include mold flash , protrusions or gate burrs. Mold Flash,
protrusion or gate burrs shall not exceed 0.15mm (0.006 in) per side.
3. Dimension “E” does not include interlead flash or protrusions. Interlead flash or protrusions
shall not exceed 0.25 mm (0.010 in) per side.
4. The chamfer on the body is optional. It is not present, a visual index feature must be located
within the crosshatched area.
5. “L” is the length of the terminal for soldering to a substrate.
6. “N” is the number of terminal positions. (N=20)
7. The lead width “B” as measured 0.36 mm (0.014 in) or greater above the seating plane, shall
not exceed a maximum value of 0.61 mm (0.24 in).
8. Controlling dimension: MILLIMETER.
9. Refer to JEDEC MS-013 Variation AC
PT2258 pre1.0
15
Updated July 2000
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