PHT www.vishay.com Vishay Sfernice High Stability - High Temperature (230 C) Thin Film Wraparound Chip Resistors, Sulfur Resistant FEATURES Operating temperature range: -55 C +215 C Storage temperature: -55 C +230 C Gold terminations (< 1 m thick) 5 sizes available (0402, 0603, 0805, 1206, 2010) other sizes upon request click logo to get started DESIGN SUPPORT TOOLS Temperature coefficient down to 15 ppm (-55 C +215 C) Models Tolerance down to 0.05 % Available Load life stability: 0.35 % max. after 2000 h at 220 C INTRODUCTION (ambient) at Pn For applications such as down hole applications, the need for parts able to withstand very severe conditions Shelf life stability: 0.7 % typ. (1 % max.) after 15 000 h at (temperature as high as 215 C powered or up to 230 C 230 C un-powered) has leaded Vishay Sfernice to push out the SMD wraparound limit of the thin film technology. Designers might read the application note: Power TCR remains constant after long term storage at 230 C Dissipation Considerations in High Precision Vishay (15 000 h) Sfernice Thin Film Chip Resistors and Arrays Sulfur resistant (per ASTM B809-95 humid vapor test) (P, PRA etc) (High Temperature Application) Material categorization: for definitions of compliance www.vishay.com/doc 53047 in conjunction with this datasheet to help them to properly design their PCBs and please see www.vishay.com/doc 99912 get the best performances of the PHT. Vishay Sfernice R&D engineers will be willing to support any customer design considerations. STANDARD ELECTRICAL SPECIFICATIONS (1)(2) RESISTANCE RATED POWER LIMITING ELEMENT TEMPERATURE (2) TOLERANCE (3) MODEL SIZE RANGE P VOLTAGE COEFFICIENT 215 C % W V ppm/C PHT0402 0402 10 to 130K 0.0189 50 0.05, 0.1, 0.5, 1 10, 15, 25, 30, 50, 55 PHT0603 0603 10 to 320K 0.0375 75 0.05, 0.1, 0.5, 1 10, 15, 25, 30, 50, 55 PHT0805 0805 10 to 720K 0.06 150 0.05, 0.1, 0.5, 1 10, 15, 25, 30, 50, 55 PHT1206 1206 10 to 2.7M 0.1 200 0.05, 0.1, 0.5, 1 10, 15, 25, 30, 50, 55 (4) PHT2010 2010 10 to 7.5M 0.2 300 0.05, 0.1, 0.5, 1 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 Table 2 on next page (3) See Table 1 on next page (4) It is possible to dissipate up to 0.3 W, but there will be an additional drift of 0.1 % after load life CLIMATIC SPECIFICATIONS MECHANICAL SPECIFICATIONS Substrate Alumina Operating temperature range -55 C +215 C Resistive Element Nichrome (NiCr) Passivation Silicon nitride (Si N ) 3 4 Storage temperature range -55 C +230 C Protection Epoxy + silicone Terminations Gold (< 1 m) over nickel barrier PERFORMANCE VS. HUMID SULFUR VAPOR Note 50 C 2 C, 85 % 4 % RH, For other terminations, please consult Test conditions exposure time 500 h Resistance drift < (0.05 % R + 0.05 ), Test results no corrosion products observed Revision: 03-Jan-2019 Document Number: 53050 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 PHT www.vishay.com Vishay Sfernice TABLE 1 - TEMPERATURE COEFFICIENT 10 ppm/C -55 C +155 C Y 15 ppm/C -55 C +215 C 25 ppm/C -55 C +155 C E 30 ppm/C -55 C +215 C 50 ppm/C -55 C +155 C H 55 ppm/C -55 C +215 C TABLE 2 - BEST TOLERANCE AND TCR VS. OHMIC VALUE SERIES RANGE ( ) TOL. ( %) TCR CODE 10 to 50 0.1 0.5 1 Y E H 0402 > 50 to 90K 0.05 0.1 0.5 1 Y E H > 90K to 130K 0.05 0.1 0.5 1 E H 10 to 50 0.1 0.5 1 Y E H 0603 > 50 to 210K 0.05 0.1 0.5 1 Y E H > 210K to 320K 0.05 0.1 0.5 1 E H 10 to 50 0.1 0.5 1 Y E H 0805 > 50 to 480K 0.05 0.1 0.5 1 Y E H > 480K to 720K 0.05 0.1 0.5 1 E H 10 to 50 0.1 0.5 1 Y E H 1206 > 50 to < 1.8M 0.05 0.1 0.5 1 Y E H > 1.8M to 2.7M 0.05 0.1 0.5 1 E H 10 to 50 0.1 0.5 1 Y E H 2010 > 50 to 5M 0.05 0.1 0.5 1 Y E H > 5M to 7.5M 0.05 0.1 0.5 1 E H PHT STABILITY CURVE POWER DERATING CURVE High Temperature Drift vs. Time Power Derating Curve 2.0 10000 1.2 10000 PHT2010 1.8 PHT1206 1.0 1.6 PHT0805 PHT0603 1.4 T = 230 C 1000 0.8 1000 PHT0402 T = 215 C 1.2 T = 200 C T = 185 C 1.0 0.6 0.8 With Pd 100 0.4 100 (T = 230 C) 0.6 j 0.4 0.2 0.2 0 10 0 10 0 4000 8000 12 000 0 50 100 150 200 250 Time (h) Ambient Temperature (C) Note Stability will be dependent on resistivity of resistor. Above curves are worst case. Revision: 03-Jan-2019 Document Number: 53050 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 2nd line Drift (%) 1st line 2nd line 2nd line Rated Power (W) 1st line 2nd line