High Voltage Resistors High Voltage Welwyn Components Chip Resistors Welwyn Components Chip Resistors High Voltage HVC Series Chip Resistors Continuous voltages up to 3kV HVC Series HVC Series Overload voltages up to 4kV Continuous voltages up to 3kV Continuous voltages up to 3kV Values up to 100M Overload voltages up to 4kV Overload voltages up to 4kV Tolerances to 0.5% Values up to 100M Values up to 1G0 Robust thick film construction Tolerances to 0.5% Tolerances to 0.5% TCR to 50ppm/C Robust thick film construction 100% screened by automated optical inspection 100% screened by high voltage overload Anti-sulphur version availab le AllAll Pb-Pb-frfreeee partsparts ccomplyomply withwith EUEU DirDirectivectivee 2011/65/EU2011/65/EU amended amended b yb y(EU) (EU) 2015/863 2015/863 (R (RoHS3)oHS3) Electrical Data 1206 2010 2512 Notes Electrical Data Power rating 70C watts 0.3 0.5 1 1206 2010 2512 Notes Limiting element voltage volts 1000 2000 3000 DC or AC peak Power rating 70C 1 watts 0.3 0.5 1 volts 1500 3000 4000 Maximum overload voltage (2s) Limiting element voltage volts 1000 2000 3000 Consult factory for DC or AC peak Resistance range1 ohms 10K to 1G0 volts 1500 3000 4000 Maximum overload voltage (2s) out of range values Consult factory for See table of Resistance range ohms 10K to 1G0 Resistance tolerance % 0.5,1,2,5,10 out of range values value ranges See table of TCR ppm/C 50, 100 Resistance tolerance % 0.5,1,2,5,10 value ranges Ambient temperature range C -55 to +155 TCR ppm/C 50, 100 Values E24 & E96 preferred Any value to order Ambient temperature range C -55 to +155 Thermal Impedance C/W 200 80 70 Values E24 & E96 preferred Any value to order Thermal Impedance C/W 200 80 70 Value Ranges (ohms) Note 1: 100% high voltage screened in ohmic range 300K to 40M Tolerance (%) Value Ranges (ohms) Size TCR (ppm/C) 0.5 1 & 2 5 & 10 Tolerance (%) 50 - 10K to 100M Size TCR (ppm/C) 1206 0.5 1 & 2 10K to 10M 5 & 10 100 10K to 2M 10K to 1G0 50 - 10K to 100M 50 - 10K to 100M 1206 10K to 10M 2010 & 2512 10K to 100M 100 10K to 2M 10K to 1G0 100 10K to 10M 10K to 1G0 50 - 10K to 100M 2010 & 2512 10K to 100M 100 10K to 10M 10K to 1G0 Physical Data Dimensions (mm) & Weight (mg) Physical Data L W T max A B min C Wt. C Dimensions (mm) & Weight (mg) 3.20.2 1.60.2 0.7 0.350.2 1.95 0.350.2 8.5 1206 L W T max A B min C Wt. T C A 3.20.2 1.60.2 0.7 0.350.2 1.95 0.350.2 8.5 1206 B 5.10.3 2.50.2 0.8 3.7 0.40.25 36 T 2010 0.450.2 L W A A B Wrap-around terminations 36 5.10.3 2.50.2 0.8 3.7 0.40.25 2010 0.450.2 0.450.2 55 6.50.3 3.20.2 0.8 5 0.40.2 L 2512 W A (3 faces) Wrap-around terminations 6.50.3 3.20.2 0.8 0.450.2 5 0.40.2 55 2512 (3 faces) General Note Welwyn Components reserves the right to make changes in product specification without notice or liability. A subsidiary of All information is subject to Welwyns own data and is considered accurate at time of going to print. GenerGeneralal Not Notee TT electronics plc BI Technologies IRC Welwyn Welwyn Components Wreserveselwyn the Components right to make changes Limited in product Bedlington, specification Northumberland without notice NE22 or 7AA, liabilit UKy. TT Electronics reserves the right to make changes in product specification without notice or liability. A subsidiary of All information is subject to Welwyns own data and is considered accurate at time of going to print. 01.11 Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com All information is subject to TT Electronics own data and is considered accurate at time of going to print. TT electronics plc www.ttelectronics.com/resistors Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK 84 TT Electronics plc Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 01.11 11.18 84High Voltage High Voltage Chip Resistors Chip Resistors HVC Series Welwyn Components HVC Series Construction Solderability Resistive thick film material, overglaze and organic The terminations have an electroplated nickel barrier and tin protection are screen printed on a 96% alumina substrate. finish. This ensures excellent leach resistance properties and The design and laser adjustment of the resistive element solderability. optimises the limiting element voltage of the resistor. Marking Terminations The body protection is resistant to all normal cleaning solvents The chips are supplied with wrap-around terminations suitable for printed circuits. The chips are not marked and the suitable for soldering. Consult factory for alternative relevant information on type, value, tolerance date code and termination options. quantity are recorded on the reel. Performance Data Maximum Typical 1206: 2 1206: 1 Load at rated power: 1000 hours rated load 70C R% 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 70C Zero at 155C Short term overload: Lesser of 6.25 x rated power or Maximum overload voltage R% 2 0.2 Lightning strike: 1.2/50s & 10/700s - see graph for peak voltage R% 0.5 0.2 Dry heat: 1000 hours at 155C 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 Resistance to sulphur-bearing gas (AS version only): ASTM-B-809 0.25 0.05 Voltage proof volts 500 1206: -25 1206: -15 Voltage coefficient of resistance ppm/V 2010: -15 2010: -5 2512 100M: -5 2512 100M: -1.5 2512 >100M: -15 2512 >100M: -8 Maximum Continuous Voltage Lightning Strike Performance 3500 8 3000 6 2500 4 2000 1500 2 1000 0 0.01 0.1 1 10 100 1000 500 Resistance Value (M ) 0 0.01 0.1 1 10 100 1000 1206-1.2/50s 1206-10/700s 2010-1.2/50s 2010-10/700s Resistance Value (M ) 2512-1.2/50s 2512-10/700s HVC1206 HVC2010 HVC2512 Commodity Chip Note: maximum peak voltage tested was 6kV performance beyond this is estimated. General Note BI Technologies IRC Welwyn TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to TT Electronics own data and is considered accurate at time of going to print. www.ttelectronics.com/resistors 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 07.11 TT Electronics plc 11.18 85 Voltage (V) Peak Voltage (kV)