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參數(shù)資料
| 型號： | PWC |
| 廠商： | TT Electronics / Welwyn |
| 英文描述： | Pulse Withstanding Chip Resistors |
| 中文描述： | 脈沖耐貼片電阻 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 474K |
| 代理商： | PWC |
Pulse Withstanding
Chip Resistors
PWC Series
Welwyn Components Limited
Bedlington, Northumberland NE22 7AA, UK
Telephone: +44 (0) 1670 822181 · Facsimile: +44 (0) 1670 829465 · Email: info@welwyn-tt.com · Website: www.welwyn-tt.com
Issue G · 03.06
Performance Data
Size
Maximum
Typical
Load at rated power:
1000 hours at 70°C
R%
R%
1
0.25
Shelf life test:
12 months at room temperature
0.1
0.02
Derating from rated power at 70°C
Zero at 155°C
Overload:
6.25 x rated power for 2 seconds
R%
R%
R%
R%
R%
Volts
1
0.1
Dry heat:
1000 hours at 155°C
1
0.2
Long term damp heat
1
0.25
Temperature rapid change
0.25
0.05
Resistance to solder heat
0.25
0.05
Voltage proof
500
Pulse Performance Data
1.2/50
μ
s Lightning Surge
10
100
1000
10000
1
10
100
1000
10000
100000
1000000
10000000
Value (ohms)
P
0805
1206
2010
2512
10/700
μ
s Lightning Surge
10
100
1000
10000
1
10
100
1000
10000
100000
1000000
10000000
Value (ohms)
P
0805
1206
2010
2512
Lightning Surge
Resistors are tested in accordance with
IEC 60 115-1 using both 1.2/50μs and
10/700μs pulse shapes. The limit of
acceptance is a shift in resistance of less
than 1% from the initial value.
Note: A 0.01 Ohm addition to be added to the performance of all resistors <10 Ohms.
Welwyn Components
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