PWP TTELEC | Alldatasheet
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Excellent pulse withstand capability Energy ratings 5J to 70J Excellent reliability Ideally suited for medical applications Custom design service available RoHS compliant 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. PWP Series Energy rating (10msec pulse, 25˚C) joules 6 11 13 33 50 70 Power rating at 70˚C watts 0.4 0.6 0.8 1 1.5 2 Resistance range ohms 100 to 200K Limiting element voltage (dc or ac rms) volts √(P.R) TCR (20˚C to 70˚C) ppm/oC PWP04, 06, 08: 100: PWP10, 15, 20 <200R: 200: > 200R: 100 Resistance tolerance % 1, 5 Standard values E24 preferred Ambient temperature range ˚C 55 to 155 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. Type, resistance value and tolerance are legend marked in black ink on the rear of the component. The resistance value conforms to IEC 62. The component protection and marking are resistant to all normal industrial cleaning solvents suitable for printed circuit boards Solder coated phosphor bronze leadframe terminations are solder dipped in SnAgCu and meet the Pulse Withstanding Planar Resistors LW H 7 min P 0.5 0.25 0.7 Make Possible Resistors All Pb-free parts comply with EU Directive 2011/65/EU (RoHS2) 07.14 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. © TT Electronics plc www.ttelectronicsresistors.com
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. Load at rated power: 1000 hours at 70˚C R% 1 0.25 Dry heat: 1000 hours at 155˚C R% 1 0.25 Shelf life: 12 months at room temperature R% 0.3 <0.1 Derating from power at 70˚C Zero at 155˚C Climatic R% 1 0.3 Climatic category 55/155/56 Long term damp heat R% 1 0.3 Temperature rapid change R% 0.25 0.02 Resistance to solder heat R% 0.25 0.02 Pulse Withstanding Planar Resistors PWP Series Data based on testing performed at 100R using Single Pulse conditions, i.e. with mean power negligible compared to rated power. The maximum allowed R is 1%. 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. Load at rated power: 1000 hours at 70˚C R% 1 0.25 Dry heat: 1000 hours at 155˚C R% 1 0.25 Shelf life: 12 months at room temperature R% 0.3 <0.1 Derating from power at 70˚C Zero at 155˚C Climatic R% 1 0.3 Climatic category 55/155/56 Long term damp heat R% 1 0.3 Temperature rapid change R% 0.25 0.02 Resistance to solder heat R% 0.25 0.02 Pulse Withstanding Planar Resistors PWP Series Data based on testing performed at 100R using Single Pulse conditions, i.e. with mean power negligible compared to rated power. The maximum allowed R is 1%. Duration of Pulse (ms) Single Pulse Energy Capacity 1000 100 0.1 0.01 0.1 1 10 100 PWP20 PWP15 PWP10 PWP08 PWP06 PWP04 Energy (J) Maximum Single Pulse Power 1,000,000 100,000 10,000 1,000 100 0.01 0.1 1 10 100 PWP20 PWP15 PWP10 PWP08 PWP06 PWP04 Duration of Pulse (ms) Peak Power (W) Make Possible 07.14 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. © TT Electronics plc www.ttelectronicsresistors.com
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. The experience of TT electronics engineers has been used to design this generation of pulse withstanding planar resistors to be suitable for th e majority of applications. However, should an appl ication require particular consideration, TT electronics designers are able to provide advice and, where applicable, t o recommend a non standard product. Special sizes, designs etc, can be prototyped at short notice. Ordering Procedure Example: PWP10 at 200 ohms and 5% tolerance and packed in a box of 160 pieces: Type Value (use IEC62 code) Tolerance (use IEC62 code) F 1% J 5% Packing B048 Bulk Pack PWP04 480 / box Standard B036 PWP06 360 / box B024 PWP08 240 / box B016 PWP10 160 / box B012 PWP15 120 / box B008 PWP20 80 / box Pulse Withstanding Planar Resistors PWP Series Pulse Withstanding Planar Resistors PWP Series Make Possible 07.14 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. © TT Electronics plc www.ttelectronicsresistors.com