d2to35 www.vishay.com vishay sfernice revision: 22-apr-13 1 document number: 51058 for technical questions, contact: sfer@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 surface mount power resistor thick film technology features ? aec-q200 qualified ? 35 w at 25 c case temperature ? surface mounted resistor - to-263 (d 2 pak) style package ? wide resistance range from 0.01 ? to 550 k ? ? non inductive ? resistor isolated from metal tab ? solder reflow secure at 270 c/10 s ? material categorization: for definitions of compliance please see www.vishay.com/doc?99912 notes ? for the asssembly on board, we recommend the lead (pb)-free thermal profile as per j-std-020c ? power dissipation is 3.3 w at an ambient temperature of 25 c when mounted on a double sided copper board using fr4 standard, 70 m of copper, 39 mm x 30 mm x 1.6 mm dimensions in millimeters standard electrical specifications model size resistance range ? rated power p 25 c w limiting element voltage u l v tolerance % temperature coefficient ppm/c critical resistance ? d2to35 to-263 0.01 to 550k 35 500 1, 2, 5, 10 150, 250, 700, 1100 7.14k 10.5 1.6 8.8 1.6 tolerance: 0.3 mm 11.00 1.50 6.50 4.02 4.00 2.40 8.00 2.49 0.26 footprint recommendation for solderable contact area: 1.25 4.5 2.8 2.2 0.3 2 5.08 7.6 7.8 min. 8.7 0.2 5 15.4 8.1 5.15 1.25 10.1 mechanical specifications mechanical protection molded resistive element thick film substrate alumina connections tinned copper weight 2.2 g max. environmental specifications temperature range - 55 c to 175 c flammability iec 60695-11-5 2 applications 30 s separated by 60 s technical specifications power rating and ? thermal resistance ? of the component 35 w at 25 c (case temperature) r th (j - c) : 4.28 c/w temperature coefficient see special feature table standard 150 ppm/c dielectric strength ? iec 60115-1 2000 v rms - 1 min - 10 ma max. (between terminals and board) insulation resistance ?? 10 6 m ? inductance ? 0.1 h dimensions standard package to-263 style (d 2 pak)
d2to35 www.vishay.com vishay sfernice revision: 22-apr-13 2 document number: 51058 for technical questions, contact: sfer@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 special features resistance values ? 0.010 ? 0.045 ? 0.1 ? 0.5 tolerances 1 % at 10 % requirement temperature coefficient (tcr) ? (- 55 c + 150 c) ? iec 60115-1 1100 ppm/c 700 ppm/c 250 ppm/c 150 ppm/c performance tests conditions requirements momentary overload iec 60115-1 4.13 1.7 pr 5 s for r < 2 ? 1.4 pr 5 s for r ? 2 ? us < 1.5 ul (0.25 % + 0.005 ? ) load life iec 60115-1 1000 h, 90/30 pr at + 25 c (1 % + 0.005 ? ) high temperature exposure aec-q200 rev c conditions: mil-std-202 method 108 1000 h, + 175 c, unpowered (0.25 % + 0.005 ? ) temperature cycling pre-conditioning 3 reflows according jestd020d iec 60068-2-14 test na 1000 cycles, - 55 c, + 175 c dwell time - 15 min (0.5 % + 0.005 ? ) moisture resistance aec-q200 rev c conditions: mil-std-202 method 106 10 cycles, 24 h, unpowered (0.5 % + 0.005 ? ) biased humidity aec-q200 rev c conditions: mil-std-202 method 103 1000 h, 85 c, 85% rh (1 % + 0.005 ? ) operational life aec-q200 rev c conditions: pre-conditioning 3 reflows according jestd020d mil-std-202 method 108 1000 h, 90/30, powered, + 125 c (1 % + 0.005 ? ) esd human body model aec-q200 rev c conditions: aec-q200-002 25 kv ad (0.5 % + 0.005 ? ) vibration aec-q200 rev c conditions: mil-std-202 method 204 5 g s for 20 min, 12 cycles test from 10 hz to 2000 hz (0.5 % + 0.005 ? ) mechanical shock aec-q200 rev c conditions: mil-std-202 method 213 100 g s, 6 ms, 3.75 m/s 3 shocks/direction (0.5 % + 0.005 ? ) board flex aec-q200 rev c conditions: aec-q200-005 bending 2 mm, 60 s (0.25 % + 0.01 ? ) terminal strength aec-q200 rev c conditions: aec-q200-006 1.8 kgf, 60 s (0.25 % + 0.01 ? ) assembly specifications for the assembly on board, we recommend the lead (pb)-free thermal prof ile as per j-std-020c tests conditions requirements resistance to soldering heat iec 60115-1 iec 60068-2-58 solder bath method: 270 c/10 s (0.5 % + 0.005 ? ) moisture sensitivity level (msl) ipc/jedec j-std-020c 85 c/85 % rh/168 h level: 1 + pass requirements of tcr overload and dielectic strength after msl
d2to35 www.vishay.com vishay sfernice revision: 22-apr-13 3 document number: 51058 for technical questions, contact: sfer@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 choice of the board the user must choose the board according to the working cond itions of the component (power, room temperature). maximum working temperature must not exeed 175 c. the dissipated power is simpl y calculated by the following ratio: p: expressed in w ? t: difference between maximum work ing temperature and r oom temperature or fl uid cooling temperature r th (j - c) : thermal resistance value measured betwee n resistive layer and outer side of the resistor. it is the thermal resistance of the component: 4.28 c/w. r th (c - h) : thermal resistance value measure 4.28 c /w. outer side of the resistor and u pper side of the board. this is the thermal resistance of the solder layer. r th (h - a) : thermal resistance of the board. example: r th (c - h) + r th (h - a) for d2to35 power rating 3.5 w at ambient temperature + 25 c. ? thermal resistance r th (j - c) : 4.28 c/w ? considering equation (1) we have: ? ? t = 175 c - 25 c = 150 c ? r th (j - c) + r th (c - h) + r th (h - a) = ? t/p = 150/3.5 = 42.8 c/w ? r th (c - h) + r th (h - a) = 42.8 c/w - 4.28 c/w = 38.52 c/w single pulse : these informations are for a single pulse on a cold resistor at 25 c (not already used for a dissipation) and for pulses of 100 ms maximum duration. the formula used to calculate e is: with: e (j): pulse energy p (w): pulse power t (s): pulse duration u (v): pulse voltage r (w): resistor the energy calculated must be less: than that allowed by the graph. repetitive or su perimposed pulses : the following formula is used to calculate the equivalent ener gy of a repetitive pulse or the equivalent energy of a pulse on a resistor that is already dissipating power. with: e c (j): equivalent pulse energy e (j): known pulse energy p r : resistor power rating p a : mean power being dissipated the energy calculated must be less than that allowed by the graph and the average power dissipated ( p a ) must not exceed the continuous power of resistor. p ? t r th (j - c) ?? r th (c - h) ?? r th (h - a) ?? ++ --------------------------------------------------------------------------------------------------- 1 ?? = e p x t u 2 r ------- - x t == e c e x 1 p a p r ------ + ?? ?? =
d2to35 www.vishay.com vishay sfernice revision: 22-apr-13 4 document number: 51058 for technical questions, contact: sfer@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 overloads in any case the applied volt age must be lower than the maximum overload voltage of 750 v. the values indicated on the graph below are applicable to resistors in air or mounted onto a board. energy curve power curve power rating the temperature of th e case should be maintained within the limits specified. marking model, style, resistance value (in ? ), tolerance (in %), manufacturing date, vishay sfernice trademark 0.001 0.01 0.1 1 10 100 ener g y in joule s overload duration in s 10 -7 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 100 1000 10 000 100 000 power in w overload duration in s 10 -7 10 -6 10 -5 10 -4 10 -3 10 -2 10 -1 packaging ? reel ?tube ? tape dimensions (mm) for reel: 100 75 50 25 0 rated power in % case temperature in c 120 0 20 40 60 80 100 120 140 160 175 16 10.6 15.8 24 4.9
d2to35 www.vishay.com vishay sfernice revision: 22-apr-13 5 document number: 51058 for technical questions, contact: sfer@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 ordering information d2to 35 c 100 k ? 1 % xxx e3 model style connections resistance value tolerance custom design lead (pb)-free f = 1 % g = 2 % j = 5 % k = 10 % optional on request: shape, etc. sap part numbering guidelines global model size leads ohmic value tolerance packaging lead (pb)-free d2to 035 c = surface mount the first four digits are significant figures and the last digit specifies the number of zeros to follow. ? r designates decimal point. 48r70 = 48.7 ?? 48701 = 48 700 ?? 10002 = 100 000 ?? r0100 = 0.01 ?? r6800 = 0.68 ?? 27000 = 2700 ? = 2.7 k ?? f = 1 % g = 2 % j = 5 % k = 10 % r = reel 500 pieces t = tube 50 pieces e3 = pure tin 035cr20 0 r 3 t d o 2 0ke
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