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 Values up to 100M Continuous voltages up to 3kV Overload voltages up to 4kV Tolerances to 0.5% Overload voltages up to 4kV Values up to 100M Values up toRobust 1G0 thick film construction Tolerances to 0.5% Tolerances to 0.5% Robust thick film construction TCR to 50ppm/C Robust thick film construction Anti-sulphur version availab le All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2) 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 Watts 0.3 0.5 1 Overload voltage (2s) Volts 1500 3000 4000 Limiting element voltage Volts 1000 2000 3000 Consult factory for DC or AC peak Resistance range Ohms 10K to 1G0 Overload voltage (2s) Volts 1500 3000 4000 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) Tolerance (%) Value Ranges (Ohms) Size TCR (ppm/C) 0.5 1 & 2 5 & 10 Tolerance (%) 50 - 10K to 100M Size TCR (ppm/C) 1206 10K to 10M 0.5 1 & 2 5 & 10 100 10K to 2M 10K to 1G0 50 - 10K to 100M 1206 50 - 10K to 10M 10K to 100M 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 (g) Physical Data L W T A B C Wt. C Dimensions (mm) & Weight (g) 1206 3.20.2 1.60.2 0.60.1 0.350.2 1.95 min 0.350.2 0.010 L W T A B C Wt. T C A B 1206 3.20.2 1.60.2 0.60.1 0.350.2 1.95 min 0.350.2 0.010 T 2010 5.10.2 2.50.2 0.70.1 0.450.2 3.70 min 0.40.25 0.035 L W A A B Wrap-around terminations 2010 5.10.2 2.50.2 0.70.1 0.450.2 3.70 min 0.40.25 0.035 L 2512 6.50.2 3.20.2 0.70.1 0.450.2 5.00 min 0.40.2 0.055 W (3 faces) A Wrap-around terminations 2512 6.50.2 3.20.2 0.70.1 0.450.2 5.00 min 0.40.2 0.055 (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 reserves the right to make changes in product specification without notice or liability. Welwyn Components Limited Bedlington, Northumberland NE22 7AA, UK TT Electronics reserves the right to make changes in product specification without notice or liability. All information is subject to Welwyns own data and is considered accurate at time of going to print. A subsidiary of Telephone: +44 (0) 1670 822181 Facsimile: +44 (0) 1670 829465 Email: info welwyn-tt.com Website: www.welwyn-tt.com 01.11 All information is subject to TT Electronics own data and is considered accurate at time of going to print. TT electronics plc www.ttelectronicsresistors.com 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 10.16 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 Lightning Strike Performance Maximum Continuous Voltage 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.ttelectronicsresistors.com 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 10.16 85 Voltage (V) Peak Voltage (kV)