High Voltage

Chip Resistors

HVC Series

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

∆R%

1206: 2

1206: 1

2010/2512: 1

2010/2512: 0.25

∆R%

0.1

0.02

Derating from rated power at 70°C

Zero at 155°C

∆R%

2

0.2

∆R%

0.5

0.2

∆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.