50 ghz thin film microwave resistors ch vishay sfernice www.vishay.com for technical questions, contact: sfer@vishay.com document number: 53014 46 revision: 19-mar-10 features ? smd wraparound or flip chip resistor ? small size, down to 20 by 16 mils ? edged trimmed block resistors ? pure alumina substrate (99.5 %) ? various terminations: ? pre-tinned over nickel barrier (wraparound (n) or flip chip (f)) for solder reflow ? gold pad for wire (or ribbon) bonding (one face only) (p) and for glue attach (g) wraparound ? ohmic range: 10r to 500r ? design kits available ? small internal reactance (lc down to 1 10 -24 ) ? tolerance 1 %, 2 %, 5 %, 10 % ? tcr: 100 ppm/c in (- 55 c, + 155 c) temperature range ? compliant to rohs directive 2002/95/ec those miniaturized components are designed in such a way that th eir internal reactance is very small. when correctly mounted and utilized, they function as almost pure resist ors on a very large range of frequency, up to 50 ghz. dimensions in millimeters [inches] note (1) + or - 0.07 mm ** please see document ?vishay green an d halogen-free definitions (5-2008)?: www.vishay.com/doc?99902 case size max. tol. + 0.1 [+ 0.004] min. tol. - 0.1 [- 0.004] dimensions power rating pn mw limiting element voltage v abc d/e max. tol. + 0.1 [+ 0.004] min. tol. - 0.1 [- 0.004] max. tol. + 0.1 [+ 0.004] min. tol. - 0.1 [- 0.004] max. tol. + 0.127 [+ 0.005] min. tol. - 0.127 [- 0.005] min. max. 02016 preferred 0.50 [0.020] 0.39 [0.016] 0.42 [0.02] (1) 0.1 [0.004] 0.2 [0.008] 30 30 0402 preferred 1.00 [0.040] 0.6 [0.023] 0.5 [0.02] 0.15 [0.006] 0.35 [0.014] 50 37 0505 1.27 [0.050] 1.27 [0.050] 0.5 [0.02] 0.25 [0.010] 0.51 [0.020] 125 50 0603 preferred 1.52 [0.060] 0.75 [0.030] 0.5 [0.02] 125 50 0705/0805 1.91 [0.075] 1.27 [0.050] 0.5 [0.02] 200 50 1005 2.54 [0.100] 1.27 [0.050] 0.5 [0.02] 250 75 1206 3.06 [0.120] 1.60 [0.063] 0.5 [0.02] 0.27 [0.011] 0.53 [0.021] 330 75 a d d c (f) and (p) ( n ) a d d c e e b
ch 50 ghz thin film mi crowave resistors vishay sfernice document number: 53014 for technical questions, contact: sfer@vishay.com www.vishay.com revision: 19-mar-10 47 land pattern flip chip terminations in millimeters note ? suggested land pattern: according to ipc-7351 wraparound terminations in millimeters note (1) best tolerance for 100 to 500 in 02016 is 2 % g min. z max. x max. chip size z x g 02016 0.3 0.5 0.2 0402 0.5 0.650 0.4 0505 0.6 1.320 0.510 0603 0.6 0.9 0.760 0705/0805 0.7 1.3 1.14 1005 0.7 1.3 1.780 1206 0.9 1.7 2.1 g min. z max. x max. chip size z max. g min. x max. 0402 1.55 0.15 0.73 0505 1.82 0.10 1.40 0603 2.37 0.35 0.98 0705/0805 2.76 0.74 1.40 1005 3.39 1.37 1.40 1206 3.91 1.85 1.73 tolerance vs. ohmic values ohmic range 10 r < 50 50 r < 100 100 r 500 (1) tolerance 5 %, 10 % 2 %, 5 %, 10 % 1 %, 2 %, 5 %, 10 %
ch vishay sfernice 50 ghz thin film mi crowave resistors www.vishay.com for technical questions, contact: sfer@vishay.com document number: 53014 48 revision: 19-mar-10 preferred models and values vishay/sfernice highly recommend to use the smallest si zes and flip chip version to get the best performances. recommended sizes : ch02016/ch0402/ch0603 recommended terminations : f recommended values : 10r/18r/25r/50r/75r/100r/ 150r/180r/200r/250r/330r/500r those values are available with a moq of 100 pieces. other values can be ordered upon reques t, but higher moq will apply: 1000 pieces for ch02016, 500 pieces for ch0402, 250 pieces for ch0505/ch0603/ch0705/ch0805/ch1005 and 100 pieces for ch1206. design kits are available ex stock in ch02016 and ch0402 size s. there are 20 pieces per re commended value. f termination. 5 % tolerance. those kits are packaged in pieces of tape and delivered in esd bags. packaging standard packaging is waffle pack for sizes as of 0402 and paper tape for size 02016. plastic tape and reel is available for other size s (low conductivity) or paper tape under request. notes (1) 02016 not available with n termination (2) 02016 paper tape only available (3) gold termination for application in hermetic package global part number information new global part numbering: ch0402-50rjf (preferred part number format) global model size ohmic value tolerance termination (1) pac k ag i n g (2) ch 02016 0402 0505 0603 0805 1005 1206 10r to 500r f = 1 % g = 2 % j = 5 % k = 10 % f (flip chip): snag over nickel barrier n (w/a): snag over nickel barrier (except 02016) p (one face): (3) gold bonding pads g (w/a): gold t = tape and reel pt = paper tape leave blank for waffle pack historical part number example: ch 0402 50r 5 % p e2 (will continue to be accepted) ch 0402 50r 5 % p e2 historical model size ohmic value tolerance termination lead (pb)-free version e2: tin/silver e4: gold global part number ordering design kits: chkit-02016 chkit-0402 h0402 - 50r c jf t
ch 50 ghz thin film mi crowave resistors vishay sfernice document number: 53014 for technical questions, contact: sfer@vishay.com www.vishay.com revision: 19-mar-10 49 typical high frequency perfo rmance electrical model the complex impedance of the chip resistor is given by the following equations: the resistor is purely resistive when r = (l/c) 1/2 = z o . the smaller the lc product the greater the frequency range over which the resistor looks approximately resistive. this can be seen on the graphs relevant to 02016 (r = 100 , lc = 1 x 10 -24 ), 0402 (r = 129 , lc = 15 x 10 -24 ) and 1206 (r = 200 , lc = 100 x 10 -24 ). note ? the external reactance (lc and cg) depends on the pcb material, the layout and assembly technology. it does affect the hf performance and needs to be estima ted. the external reactance can be utilized to compensate the internal one. internal impedance curve for 02016 size c r lc cg cg c: internal sh u nt capacitance l: internal ind u ctance r: resistance lc: external connection ind u ctance c g : external capacitance to gro u nd lc l z = r 1 + j x l /r 1 + j r/x c = arc tg r x c [z] = r 1 + (x l /r) 2 w ith x l = 2 fl: reactance of the internal ind u ctance w ith xc = i/2 fc: reactance of the internal capacitance f = fre qu ency 1 + (r/x c ) 2 1/2 x l (x c + x l ) + r 2 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor (f and p terminations) c = 0.01 pf l = 0.1 nh 1000 500 250 200 150 100 75 50 25 10
ch vishay sfernice 50 ghz thin film mi crowave resistors www.vishay.com for technical questions, contact: sfer@vishay.com document number: 53014 50 revision: 19-mar-10 internal impedance curve for 0402 size 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor n termination ( w raparo u nd) c = 0.03 pf l = 0.5 nh 1000 500 250 200 150 100 75 50 25 10 129 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor (f and p terminations) c = 0.01 pf l = 0.2 nh 1000 500 250 200 150 100 75 50 25 10 129
ch 50 ghz thin film mi crowave resistors vishay sfernice document number: 53014 for technical questions, contact: sfer@vishay.com www.vishay.com revision: 19-mar-10 51 internal impedance curve for 0603/0505 size 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor n termination ( w raparo u nd) c = 0.05 pf l = 0.4 nh 1000 500 250 200 150 100 75 50 25 10 8 9 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor (f and p terminations) c = 0.01 pf l = 0.3 nh 1000 500 250 200 150 100 75 50 25 10 173
ch vishay sfernice 50 ghz thin film mi crowave resistors www.vishay.com for technical questions, contact: sfer@vishay.com document number: 53014 52 revision: 19-mar-10 internal impedance curve for 0805 size 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor n termination ( w raparo u nd) c = 0.05 pf l = 1 nh 1000 500 250 200 150 100 75 50 25 10 141 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor (f and p terminations) c = 0.02 pf l = 0.5 nh 1000 500 250 200 150 100 75 50 25 10 15 8
ch 50 ghz thin film mi crowave resistors vishay sfernice document number: 53014 for technical questions, contact: sfer@vishay.com www.vishay.com revision: 19-mar-10 53 internal impedance curve for 1005 size 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor n termination ( w raparo u nd) c = 0.05 pf l = 1.5 nh 1000 500 250 200 150 100 75 50 25 10 173 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor (f and p terminations) c = 0.02 pf l = 0.7 nh 1000 500 250 200 150 100 75 50 25 10 1 8 7
ch vishay sfernice 50 ghz thin film mi crowave resistors www.vishay.com for technical questions, contact: sfer@vishay.com document number: 53014 54 revision: 19-mar-10 internal impedance curve for 1206 size 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor n termination ( w raparo u nd) c = 0.05 pf l = 2 nh 1000 500 250 200 150 100 75 50 25 10 0 0.2 0.4 0.6 0. 8 1.0 1.2 1.4 1.6 1. 8 2.0 0.1 1 10 100 f (ghz) izi/r impedance as a f u nction of fre qu ency for a chip resistor (f and p terminations) c = 0.03 pf l = 1 nh 1000 500 250 200 150 100 75 50 25 10
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