Resistors Make Possible High Voltage Planar Resistors HVP Series Excellent reliability Ideally suited for medical applications Voltages up to 20kV Resistance values up to 10G Small footprint RoHS compliant Planar construction gives low inductance and capacitance All parts are Pb-free and comply with EU Directive 2011/65/EU (RoHS2) Electrical Data Power rating at 70°C watts Resistance range ohms Limiting element voltage (dc or ac peak) kV TCR (20°C to 70°C) ppm/°C Resistance tolerance % HVP04 HVP06 HVP08 HVP10 HVP15 HVP20 0.4 0.6 0.8 1 1.5 2 1K0 to 250M 1K5 to 1G0 2K0 to 1G0 3K0 to 2G0 4K0 to 5G0 5K0 to 10G 2 5 7.5 10 15 20 100 100, 50, 25 0.5, 1, 5 0.25, 0.5, 1, 5 Values E24 preferred Ambient temperature range °C -55 to 155 Other resistance, tolerance and TCR values are available on request. Size TCR(ppm/°C) HVP04 100 25 50, 100 25 50, 100 25 50, 100 25 50, 100 HVP06 HVP08 HVP10 HVP15 Tolerance (%) 0.25 0.5, 1, 5 - 1K0 to 250M 1K5 to 500M 1K5 to 500M 2K0 to 500M 2K0 to 1G0 3K0 to 1G0 3K0 to 1G0 3K0 to 2G0 4K0 to 1G0 4K0 to 1G0 25 HVP20 1K5 to 1G0 2K0 to 500M 4K0 to 5G0 5K0 to 1G0 50, 100 5K0 to 1G0 5K0 to 10G Physical Data Dimensions (mm) Type L ±0.75 H ±0.5 T ±0.5 P ±0.5 Wt Nom HVP04 10.16 6.35 2 7.62 0.208g HVP06 12.7 6.35 2 10.16 0.251g HVP08 19.05 6.35 2 15.24 0.352g HVP10 25.4 6.35 2 22.86 0.454g HVP15 38.1 6.35 2 35.56 0.654g HVP20 50.8 6.35 2 48.26 0.854g General Note 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 © TT Electronics plc 01.16 High Voltage Planar Resistors Make Possible HVP Series Construction Conductor pads are printed to the rear and front faces of a 96% alumina substrate. A specially selected high voltage thick film resistor ink, based on a ruthenium oxide/glass system, is printed between the front face conductors and then covered in an overglaze before being protected with a special screen printed material which gives excellent high voltage and climatic performance. Marking Type, resistance value and tolerance are legend marked in black ink on the rear of the component. The resistance value conforms to IEC 62. Solvent Resistance The component protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuit boards Terminations Solder coated phosphor bronze leadframe terminations are solder dipped in SnAgCu and meet the following IEC requirements: IEC 68.2.21 – Strength IEC 115-1, Clause 4.17.3.2 – Solderability Packaging Packed in foam within a box. See Ordering Procedure for box quantities. Performance Data Maximum Typical 0.1 0.1 <0.1 Load at rated power: 1000 hours at 70°C Dry heat: 1000 hours at 155°C Shelf life: 12 months at room temperature Derating from power at 70°C Climatic Climatic category - ΔR% ΔR% ΔR% 1 1 0.3 ΔR% 1 Long term damp heat Temperature rapid change Resistance to solder heat ΔR% ΔR% ΔR% HVP04, HVP06, HVP08 HVP10, HVP15, HVP20 Voltage coefficient of resistance ppm/V Zero at 155°C 0.1 -55/155/56 1 0.25 0.25 -2.5 -1.5 0.1 0.02 0.02 -1 -0.5 Application Notes Due to the high voltage which can appear between the resistor body and any adjacent metal part, resistors should be mounted at an adequate distance from other conducting parts. Due to the possibility of surface condensation it is recommended that high voltages are not applied to resistors in areas of high humidity without the application of suitable moisture resistant lacquer Design Flexibility The experience of Welwyn engineers has been used to design this generation of high voltage planar resistors to be suitable for a majority of applications. However, should an application require particular consideration, Welwyn designers are able to provide advice and where applicable, to recommend a nonstandard product. Special sizes, designs etc, can be prototyped at short notice. Ordering Procedure Example: HVP06 at 100 megohms, 50ppm/°C and 1% tolerance and packed in a box with a standard quantity of 160 pieces: B004 HVP15 40/box General Note 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 © TT Electronics plc 01.16