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參數(shù)資料
| 型號： | STHS4257L1 |
| 廠商： | 意法半導(dǎo)體 |
| 英文描述： | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
| 中文描述： | IEEE 802.3af標(biāo)準(zhǔn)的PoE供電設(shè)備（PD）接口控制器，它集成簽名電阻（集成識別電阻的IEEE802.3af標(biāo)準(zhǔn)PoE電源接口控制器） |
| 文件頁數(shù)： | 14/18頁 |
| 文件大?。?/td> | 173K |
| 代理商： | STHS4257L1 |
Package mechanical data
STHS4257A, STHS4257A1, STHS4257L, STHS4257L1
14/18
4
Package mechanical data
In order to meet environmental requirements, ST offers these devices in ECOPACK
packages. These packages have a Lead-free second level interconnect. The category of
second Level Interconnect is marked on the package and on the inner box label, in
compliance with JEDEC Standard JESD97. The maximum ratings related to soldering
conditions are also marked on the inner box label. ECOPACK is an ST trademark.
ECOPACK specifications are available at: www.st.com.
Figure 9.
SO8 – 8-lead plastic small outline, 150mils width, mechanical drawing
1.
Drawing is not to scale.
Table 6.
SO8 – 8-lead plastic small outline, 150mils width, mechanical data
Symb
mm
inches
Typ
Min
Max
Typ
Min
Max
A
–
1.35
1.75
–
0.053
0.069
A1
–
0.10
0.25
–
0.004
0.010
B
–
0.33
0.51
–
0.013
0.020
C
–
0.19
0.25
–
0.007
0.010
D
–
4.80
5.00
–
0.189
0.197
ddd
–
–
0.10
–
–
0.004
E
–
3.80
4.00
–
0.150
0.157
e
1.27
–
–
0.050
–
–
H
–
5.80
6.20
–
0.228
0.244
h
–
0.25
0.50
–
0.010
0.020
L
–
0.40
0.90
–
0.016
0.035
α
–
0°
8°
–
0°
8°
N
8
8
SO-A
E
8
ddd
B
e
A
D
C
L
A1
α
1
H
h x 45
A2
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PDF描述 |
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| STHS4257A | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
| STHS4257A1 | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
| STHS4257L | IEEE 802.3af PoE Powered Device (PD) Interface Controller with Integrated Signature Resistor(集成識別電阻的IEEE802.3af PoE PD 接口控制器) |
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