首页 > 数据 高频线缆

[USB] USB 2.0 镀金厚度有什么要求

P:2008-03-18 13:52:08

1

各大虾:USB 2.0 镀金厚度有什么要求?

IRS - information retrieval system情报检索系统 (0) 投诉

P:2008-03-19 12:22:00

2

度金,我是不知道,度SN我是知道!

Hot Tin Dip - 连接线。用于低电压电流之绝缘电线,最常见的者为电子设备之内部接线, UL 1007、UL 1015皆属之 (0) 投诉

P:2008-03-19 20:12:06

3

下一个USB的规范,里面有接头镀层厚度的要求

UV curable resin coated fiber - 紫外固化树脂涂覆光纤 (0) 投诉

P:2009-03-31 14:06:06

4

MESFET - metal semiconductor FET金属半导体场效应晶体管 (0) 投诉

P:2009-03-31 16:22:20

5

沒有吧

heavy duty take-up - 大型收线装置 (0) 投诉

P:2009-04-03 15:26:56

6

15μ或30μ

TF - UL 规格 PVC 绝缘单芯灯具用线之一,使用电压 600V,温度 60℃,导体为单 股或 7 股,规格范围 AWG#18~AWG#16。 (0) 投诉

P:2009-04-29 17:09:25

7

USB标准里有写的,好像不是15μ或30μ

optical diameter gauge - 光学线径测量仪 (0) 投诉

P:2009-04-29 20:50:51

8

2.0   30u"

self-extinguishing cable - 自熄电缆,自熄灭电缆 (0) 投诉

P:2009-04-30 10:15:20

9

6.5.4.3 Plug (Male) Contact Materials
Substrate Material: 0.30 + 0.05 mm half-hard phosphor bronze.
Plating: Contacts are to be selectively plated.
A. Option I
1. Underplate: Minimum 1.25 micrometers (50 microinches) nickel. Copper over base material
is optional.
2. Mating Area: Minimum 0.05 micrometers (2 microinches) gold over a minimum of
0.70 micrometers (28 microinches) palladium.
3. Solder Tails: Minimum 3.8 micrometers (150 microinches) bright tin-lead over the
underplate.
B. Option II
1. Underplate: Minimum 1.25 micrometers (50 microinches) nickel. Copper over base material
is optional.
2. Mating Area: Minimum 0.05 micrometers (2 microinches) gold over a minimum of
0.75 micrometers (30 microinches) palladium-nickel.
3. Wire Crimp/Solder Tails: Minimum 3.8 micrometers (150 microinches) bright tin-lead over
the underplate.
C. Option III
1. Underplate: Minimum 1.25 micrometers (50 microinches) nickel. Copper over base material
is optional.
2. Mating Area: Minimum 0.75 micrometers (30 microinches) gold.
3. Solder Tails: Minimum 3.8 micrometers (150 microinches) bright tin-lead over the
underplate.

test method for copper-catalysed oxidative degradation - 铜催化氧化降解试验方法 (0) 投诉

P:2009-04-30 10:17:00

10

是指这一条吗,那应该是0.75um

plastic zone - 塑性区 (0) 投诉

P:2010-03-30 11:56:10

11

USB1.1----插头端子镀金15U"

USB2.0----插头端子镀金30U"

ANMC - American National Metric Council美国国家公制委员会 (0) 投诉

P:2010-04-06 21:28:39

12

去看SPEC吧,好象有几个option吧。

preventive testing - 预防性试验 (0) 投诉

P:2010-04-07 09:16:41

13

Thanks

maximum unspliced length cable - 无接头最大长度电缆 (0) 投诉

P:2020-04-01 14:42:48

14

11

relief angle - 出线角(拉线模的) (0) 投诉

14


你需要登录才能发表,点击登录