features formerly brand extremely high speed performance blocks high voltages and currents very high bandwidth; ghz compatible small package, minimal pcb area simple, superior circuit protection rohs compliant*, ul recognized tbu c650 and c850 protectors *rohs directive 2002/95/ec jan 27, 2003 including annex. speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. transient blocking units - tbu ? devices bourns ? c650 and c850 series products are high speed bidirectional protection components, constructed using mosfet semiconductor technology, designed to protect against faults caused by short circuits, ac power cross, induction and lightning surges. the tbu ? high speed protector, triggering as a function of the mosfet, blocks surges and provides an effective barrier behind which sensitive electronics are not exposed to large voltages or currents during surge events. the tbu ? device is provided in a surface mount dfn package and meets industry standard requirements such as rohs and pb free solder re? ow pro? les. electrical characteristics (t amb = 25 c) c650 and c850 tbu ? protectors are bidirectional; speci? cations are valid in both directions. symbol parameter min. typ. max. unit i op maximum current through the device that will not cause current blocking cx50-100-wh cx50-180-wh cx50-260-wh 100 180 260 ma i trigger typical current for the device to go from normal operating state to protected state cx50-100-wh cx50-180-wh cx50-260-wh 150 220 330 ma i out maximum current through the device cx50-100-wh cx50-180-wh cx50-260-wh 200 360 520 ma r device series resistance of the tbu ? device c650-100-wh C650-180-WH c650-260-wh c850-100-wh c850-180-wh c850-260-wh 12 8 8 17 11 11 14.5 10 10 19 14 14 t block maximum time for the device to go from normal operating state to protected state 1s i quiescent current through the triggered tbu ? device with 50 vdc circuit voltage 1ma v reset voltage below which the triggered tbu ? device will transition to normal operating state 14 v absolute maximum ratings (t amb = 25 c) symbol parameter value unit v imp maximum protection voltage for impulse faults with rise time 1 sec c650-xxx-wh c850-xxx-wh 650 850 v v rms maximum protection voltage for continuous v rms faults c650-xxx-wh c850-xxx-wh 300 425 v t op operating temperature range -40 to +85 c t stg storage temperature range -65 to +150 c agency approval ul recognized component file # e315805. industry standards description model telcordia gr-1089 port type 1, 3, 5 c650 c850 gr-974 c650 c850 itu-t k.20, k.20e, k.21, k.21e, k.45 c850 *rohs compliant the c650 & c850 series are currently available, but not recommended for new designs. bourns ? tbu-ca series is preferred.
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. typical performance characteristics tbu c650 and c850 protectors v-i characteristics time to block vs. fault current current vs. temperature -i trigger v reset -v reset i trigger +v +i 0.0000001 0.000001 0.00001 0.0001 0.001 0.01 0.1 1 0.1 1 10 100 1000 fault current (a ) time to block (sec) 20 40 60 80 100 120 140 -40 -20 0 20 40 60 80 temperature (c) % of current applications combo voice / xdsl linecards voice linecards mdf, primary protection modules process control equipment test and measurement equipment general electronics
test configuration diagram v1 v2 load tbu c650 and c850 protectors speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. operational characteristics c650 lightning, 650 v c850 lightning, 850 v the graphs below demonstrate the operational characteristics of the tbu ? protector. for each graph the fault voltage, protected side voltage, and current is presented. c650 power fault, 300 vrms, 100 a c850 power fault, 425 vrms, 100 a 1 s/div. 100 v/div. 400 ma/div. ch1 v1 ch2 v2 ch3 current 1 3 2 1 s/div. 100 v/div. 400 ma/div. ch1 v1 ch2 v2 ch3 current 1 3 2 4 ms/div. 100 v/div. 200 ma/div. ch1 v1 ch2 v2 ch3 current 1 2 3 4 ms/div. 100 v/div. 200 ma/div. ch1 v1 ch2 v2 ch3 current 1 2 3
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. tbu c650 and c850 protectors product dimensions 321 pin 1 top view side view bottom view a d be c jj n n h e k k f dimensions: mm (inches) dim. min. typ. max. a 3.90 (.154) 4.00 (.157) 4.10 (.161) b 8.15 (.321) 8.25 (.325) 8.35 (.329) c 0.80 (.031) 0.85 (.033) 0.90 (.035) d 0.000 (.000) 0.025 (.001) 0.050 (.002) e 2.55 (.100) 2.60 (.102) 2.65 (.104) f 1.10 (.043) 1.15 (.045) 1.20 (.047) h 3.45 (.136) 3.50 (.138) 3.55 (.140) j 0.20 (.008) 0.25 (.010) 0.30 (.012) k 0.65 (.026) 0.70 (.028) 0.75 (.030) n 0.20 (.008) 0.25 (.010) 0.30 (.012) recommended pad layout 3.55 (.140) 0.70 (.028) 1.15 (.045) 2.625 (.103) pad # apply 1 in/out 2nc 3 in/out nc = solder to pcb; do not make electrical connection, do not connect to ground. pad designation tbu ? protectors have matte-tin termination ? nish. suggested layout should use non-solder mask de? ne (nsmd). recommended stencil thickness is 0.10-0.12 mm (.004-.005 in.) with stencil opening size 0.025 mm (.0010 in.) less than the device pad size. as when heat sinking any power device, it is recommended that, wherever possible, extra pcb copper area is allowed. for minimum parasitic capacitanc e, do not allow any signal, ground or power signals beneath any of the pads of the device. thermal resistances symbol parameter value unit r th(j-a) junction to leads (package) 116 c/w re ow pro le pro le feature pb-free assembly average ramp-up rate (tsmax to tp) 3 c/sec. max. preheat - temperature min. (tsmin) - temperature max. (tsmax) - time (tsmin to tsmax) 150 c 200 c 60-180 sec. time maintained above: - temperature (tl) - time (tl) 217 c 60-150 sec. peak/classi? cation temperature (tp) 260 c time within 5 c of actual peak temp. (tp) 20-40 sec. ramp-down rate 6 c/sec. max. time 25 c to peak temperature 8 min. max.
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. tbu c650 and c850 protectors typical part marking how to order c 650 - 180 - wh form factor c = one tbu ? protector in the device impulse voltage rating 650 = 650 v 850 = 850 v iop indicator 100 = 100 ma 180 = 180 ma 260 = 260 ma pin 1 marking number c65a = c650-100-wh c65b = C650-180-WH c65c = c650-260-wh c85a = c850-100-wh c85b = c850-180-wh c85c = c850-260-wh manufacturing date code* - 1st digit indicates the year? 6-month period. - 2nd digit indicates the week number in the 6-month period. - 3rd & 4th digits indicate specific lot for the week. 6-month period codes: a = jan-jun 2009 c = jan-jun 2010 e = jan-jun 2011 b = jul-dec 2009 d = jul-dec 2010 f = jul-dec 2011 example: arbc - 1st digit ??= jan-jun 2009 - 2nd digit ??= week 18; week of april 27 - 3rd & 4th digits ?c?= lot specific information manufacturer? trademark* *transition from fultec trademark and lot code to bourns trademark and date code in 2009. packaging speci cations (per eia468-b) b a d c n f g (measured at hub) user direction of feed k 0 b 0 p 2 d 1 center lines of cavity embossment t d p 0 top cover tape e w p a 0 dimensions: mm (inches) device a b c d g n min. max. min. max. min. max. min. max. ref. ref. c650, c850 326 (12.835) 330.25 (13.002) 1.5 (.059) 2.5 (.098) 12.8 (.504) 13.5 (.531) 20.2 (.795) - 16.5 (.650) 102 (4.016) device a 0 b 0 d d 1 e f min. max. min. max. min. max. min. max. min. max. min. max. c650, c850 4.2 (.165) 4.4 (.173) 8.45 (.333) 8.65 (.341) 1.5 (.059) 1.6 (.063) 1.5 (.059) - 1.65 (.065) 1.85 (.073) 7.4 (.291) 7.6 (.299) device k 0 p p 0 p 2 t w min. max. min. max. min. max. min. max. min. max. min. max. c650, c850 1.1 (.043) 1.3 (.051) 7.9 (.311) 8.1 (.319) 3.9 (.159) 4.1 (.161) 1.9 (.075) 2.1 (.083) 0.25 (.010) 0.35 (.014) 15.7 (.618) 16.3 (.642) quantity: 3000 pieces per reel
speci cations are subject to change without notice. customers should verify actual device performance in their speci c applications. tbu c650 and c850 protectors reference application the c-series devices are general use protectors used in a wide variety of applications. the following diagram is one common con guration example of c-series device placement. a cost-effective protection solution combines bourns tbu protection devices with a pair of movs or bourns gdts. the gure below demonstrates the operational characteristics of the circuit. equip. ovp line tbu device tbu device ovp v1 v2 line common con guration diagram c850 with g5200as 4000 v lightning 10/700 ?ec, 150 a 1 ms/div. 200 ma/div. ch1 v1 ch2 v2 ch3 current 1 3 2 ?bu?is a registered trademark of bourns, inc. in the u.s., taiwan and european community. rev. 12/10 asia-paci c: tel: +886-2 2562-4117 ?fax: +886-2 2562-4116 europe: tel: +41-41 768 5555 ?fax: +41-41 768 5510 the americas: tel: +1-951 781-5500 ?fax: +1-951 781-5700 www.bourns.com
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