PVHT www.vishay.com Vishay Sfernice High Stability - Very High Temperature (270 C) Thin Film Wraparound Chip Resistors, Sulfur Resistant FEATURES Operating temperature range: -55 C +250 C Storage temperature: -55 C +270 C Gold terminations (< 1 m thick) 5 sizes available (0402, 0603, 0805, 1206, 2010) other sizes upon request Temperature coefficient down to 5 ppm/C typical, 10 ppm/C maximum (-55 C +270 C) Tolerance down to 0.05 % INTRODUCTION Load life stability: 0.8 % typical (1 % max.) after 2000 h at For applications such as down hole applications, the need 250 C (ambient) at Pn for parts able to withstand very severe conditions Shelf life stability: 1.5 % typical after 8000 h (temperature as high as 250 C powered or up to 270 C un-powered) has led Vishay Sfernice to push out the limit of SMD wraparound the thin film technology. 0.02 % upon request Designers might read the application note Power TCR remains constant after long term storage at 270 C Dissipation Considerations in High Precision Vishay Sulfur resistant (per ASTM B809-95 humid vapor test) Sfernice Thin Film Chip Resistors and Arrays (P, PRA etc) (High Temperature Application) Material categorization: for definitions of compliance www.vishay.com/doc 53047 in conjunction with this please see www.vishay.com/doc 99912 datasheet to help them to properly design their board and get the best performances of the PVHT. Vishay Sfernice research and development engineers will be willing to support any customer design considerations. STANDARD ELECTRICAL SPECIFICATIONS (1)(2) RESISTANCE RATED POWER LIMITING ELEMENT TEMPERATURE TOLERANCE (3) MODEL SIZE RANGE P VOLTAGE COEFFICIENT 250 C % W V ppm/C PVHT0402 0402 39 to 45K 0.031 50 0.05, 0.1, 0.5, 1 5, 10, 15, 25, 30, 50, 55 PVHT0603 0603 39 to 108K 0.062 75 0.05, 0.1, 0.5, 1 5, 10, 15, 25, 30, 50, 55 PVHT0805 0805 39 to 240K 0.100 150 0.05, 0.1, 0.5, 1 5, 10, 15, 25, 30, 50, 55 PVHT1206 1206 39 to 900K 0.165 200 0.05, 0.1, 0.5, 1 5, 10, 15, 25, 30, 50, 55 PVHT2010 2010 39 to 2.5M 0.2 300 0.05, 0.1, 0.5, 1 5, 10, 15, 25, 30, 50, 55 Notes (1) For power handling improvement, please refer to application note 53047 Power Dissipation Considerations in High Precision Vishay Sfernice Thin Film Chip Resistors and Arrays (High Temperature Applications) www.vishay.com/doc /53047 and consult Vishay Sfernice (2) See derating curve on next page (3) See Table 1 on next page CLIMATIC SPECIFICATIONS MECHANICAL SPECIFICATIONS Substrate Alumina Operating temperature range -55 C +250 C Resistive Element Thin Film Passivation Silicon nitride (Si N ) 3 4 Storage temperature range -55 C +270 C Protection Epoxy + Silicone Terminations Gold (< 1 m) over nickel barrier PERFORMANCE VS. HUMID SULFUR VAPOR Caution: 50 C 2 C, 85 % 4 % RH, Test conditions exposure time 500 h Performances obtained with following mounting conditions: Resistance drift < (0.05 % R + 0.05 ), Test board material: alumina Test results no corrosion products observed Solder paste: PbSnAg (93.5/5/1.5) Revision: 13-Nov-15 Document Number: 53060 1 For technical questions, contact: sferthinfilm vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 PVHT www.vishay.com Vishay Sfernice TABLE 1 - TEMPERATURE COEFFICIENT 5 ppm/C 0 C +70 C Z 10 ppm/C -55 C +270 C 10 ppm/C -55 C +155 C Y 15 ppm/C -55 C +270 C 25 ppm/C -55 C +155 C E 30 ppm/C -55 C +270 C 50 ppm/C -55 C +155 C H 55 ppm/C -55 C +270 C TABLE 2 SERIES RANGE () TOL. ( %) TCR CODE 0402 From 39 to 45K 0.05, 0.1, 0.5, 1 Z Y E H 0603 From 39 to 108K 0.05, 0.1, 0.5, 1 Z Y E H 0805 From 39 to 240K 0.05, 0.1, 0.5, 1 Z Y E H 1206 From 39 to 900K 0.05, 0.1, 0.5, 1 Z Y E H 2010 From 39 to 2.5M 0.05, 0.1, 0.5, 1 Z Y E H POWER DERATING CURVE 0.08 0.25 0.20 0.06 0.15 0.04 0.10 0.02 0.05 0 0 0 50 100 150 200 250 300 0 50 100 150 200 250 300 Ambient Temperature (C) Ambient Temperature (C) PVHT0402 Power Derating Curve PVHT0805 Power Derating Curve 0.150 0.35 0.30 0.125 0.25 0.100 0.20 0.075 0.15 0.050 0.10 0.025 0.05 0 0 0 50 100 150 200 250 300 0 50 100 150 200 250 300 Ambient Temperature (C) Ambient Temperature (C) PVHT0603 Power Derating Curve PVHT1206 Power Derating Curve Revision: 13-Nov-15 Document Number: 53060 2 For technical questions, contact: sferthinfilm vishay.com THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc 91000 Rated Power (W) Rated Power (W) Rated Power (W) Rated Power (W)