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HVC 데이터시트(Datasheet) 2 Page - Welwyn Components Limited

부품명 HVC
상세내용  High Voltage Chip Resistors
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제조사  WELWYN [Welwyn Components Limited]
홈페이지  http://www.welwyn-tt.com/
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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%
2
0.2
Lightning strike: 1.2/50µs & 10/700µs - see graph for peak voltage
∆R%
0.5
0.2
Dry heat: 1000 hours at 155°C
∆R%
0.5
0.1
Long term damp heat
∆R%
1
0.25
Temperature rapid change
∆R%
0.25
0.05
Resistance to solder heat
∆R%
0.25
0.05
Voltage proof
Volts
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 Strike Performance
Resistance Value (MOhms)
1206-1.2/50
1206-10/700
2010-1.2/50
2010-10/700
2512-1.2/50
2512-10/700
0.1
1
10
100
3500
3000
2500
2000
1500
1000
500
0
Maximum Continuous Voltage
Resistance Value (MOhms)
HVC1206
HVC2512
HVC2010
Commodity Chip
Note: maximum peak voltage tested was 6kV; performance beyond this is estimated.




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