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參數(shù)資料
| 型號： | HVC |
| 廠商： | TT Electronics / Welwyn |
| 英文描述： | High Voltage Chip Resistors |
| 中文描述： | 高壓貼片電阻 |
| 文件頁數(shù)： | 2/3頁 |
| 文件大小： | 228K |
| 代理商： | HVC |
High Voltage
Chip Resistors
HVC 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 D · 11.05
Welwyn Components
85
Maximum
Typical
Load at rated power:
1000 hours rated load @ 70°C
R%
1206
: 2
1206
: 1
2010/2512
: 1
2010/2512
: 0.25
Shelf life test:
12 months at room temperature
R%
0.1
0.02
Derating from rated power at 70°C
Zero at 155°C
Short term overload:
Lesser of 6.25 x rated power or 1.5 x LEV for 2S
R%
R%
R%
R%
R%
R%
Volts
2
0.2
Lightning strike:
1.2/50μs & 10/700μs - see graph for peak voltage
0.5
0.2
Dry heat:
1000 hours at 155°C
0.5
0.1
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
1206
: -25
1206
: -15
Voltage coefficient of resistance
ppm/V
2010
: -15
2010
: -5
2512
: -5
2512
: -1.5
Performance Data
Construction
Resistive thick film material, overglaze and organic
protection are screen printed on a 96% alumina substrate.
The design and laser adjustment of the resistive element
optimises the limiting element voltage of the resistor.
Terminations
The chips are supplied with wrap-around terminations
suitable for soldering. Consult factory for alternative
termination options.
Solderability
The terminations have an electroplated nickel barrier and tin
finish. This ensures excellent ‘leach’ resistance properties and
solderability.
Marking
The body protection is resistant to all normal cleaning solvents
suitable for printed circuits. The chips are not marked and the
relevant information on type, value, tolerance date code and
quantity are recorded on the reel.
0.1
1
10
100
8
6
4
2
0
Lightning
S
trike Performan
c
e
Re
s
i
s
tan
c
e Value (MOhm
s
)
P
1
20
6
-
1
.2/50
20
1
0-
1
0/700
1
20
6
-
1
0/700
25
1
2-
1
.2/50
20
1
0-
1
.2/50
25
1
2-
1
0/700
0.1
1
10
100
3500
3000
2500
2000
1500
1000
500
0
Maximum Continuou
s
Voltage
Re
s
i
s
tan
c
e Value (MOhm
s
)
V
HVC
1
20
6
HVC25
1
2
HVC20
1
0
Commo
d
ity Chip
Note: maximum peak voltage tested was 6kV; performance beyond this is estimated.
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