1 revised: january 25, 2013 08:34 am ?2013 littelfuse, inc specifcations are subject to change without notice. please refer to http://www.littelfuse.com for current information. teccor ? brand thyristors 8 amp alternistor quadrac for led dimmer applications Q6008LTH1LED series Q6008LTH1LED series description main features the quadrac is an internally triggered triac designed for ac switching and phase control applications. it is a triac and diac in a single package, which saves user expense by eliminating the need for separate triac and diac components. Q6008LTH1LED series is designed to meet low load current characteristics typical in led lighting applications. by keeping holding current at 6ma maximum, this quadrac series is characterized and specifed to perform best with led loads. the Q6008LTH1LED series is best suited for led dimming controls to obtain the lowest levels of light output with a minimum probability of fickering. Q6008LTH1LED series is offered in the industry standard to-220ab package with an isolated mounting tab that makes it best suited for adding an external heat sink. symbol value unit i t(rms) 8 a v drm / v rrm 600 v diac v bo 33 to 43 v schematic symbol applications excellent for ac switching and phase control applications such as lighting and motor speed controls. typical applications are ac solid-state switches, light dimmers with led loads, small low current motor in power tools, and low current motors in home/brown goods appliances. internally constructed isolated package is offered for ease of heat sinking with highest isolation voltage. agency approval agency agency file number ? l package : e71639 mt2 mt1 t rohs features ? as l ow as 6ma max holding current ? ul r ecognized to-220ab package ? 11 0 c rated junction temperature ? di/dt performance of 70 a/ s ? quadrac version in cludes intergrated diac ? pr ovides full control of light out put at the extreme low end of load conditions. ? 25 00v ac min isolation between mounting tab and active terminals ? im proves margin of safe operation with less heat sinking required ? en able survivability of typically led load operating characteristics ? si mplicity of circuit design & layout benefts
2 revised: january 25, 2013 08:34 am ?2013 littelfuse, inc specifcations are subject to change without notice. please refer to http://www.littelfuse.com for current information. teccor ? brand thyristors 8 amp alternistor quadrac for led dimmer applications Q6008LTH1LED series absolute maximum ratings symbol parameter value unit i t(rms) rms forward current tc = 80c 8 a i tsm peak non-repetitive surge current tjohmfibmgddmfgf)[ t j jojjbmf 80 a single half cycle; f = 60hz; t j jojjbmf i 2 t i 2 t value for fusing t p = 8.3ms 30 a 2 s di/dt critical rate-of-rise of on-state current f = 60hz; t j =110c 70 a/s i gm peak gate current t j = 110c a t stg storage temperature range p c t j operating junction temperature range -40 to 110 c electrical characteristics (t j = 25c, unless otherwise specifed) C alternistor quadrac symbol test conditions value unit i h i t fnjojjbm max. 6 ma dv/dt v d = v drm ; gate open; t j =110c min. v/s dv/dt(c) ejedfy t(rms) / ms; t j = 110c min. 10 v/s t gt (note 1) typ. 3 s (1) reference test circuit in fgure 7 and waveform in fgure 8; c t = 0.1f with 0.1s rise time. trigger diac specifcations symbol test conditions value unit v bo breakover voltage symmetry max. 3 v v bo breakover voltage, forward and reverse min. 33 v max. 43 [v] dynamic breakback voltage, forward and reverse (note 1) min. v i bo peak breakover current max. ua c t trigger firing capacitance max. 0.1 f (1) reference test circuit in fgure 7 and waveform in fgure 8. static characteristics symbol test conditions value unit v tm i t = 1.41 x i t(rms) a; t p = 380s max. 1. 6 v i drm / i rrm v drm / v rrm t j f max. 10 a t j = 110c thermal resistances symbol parameter value unit r (j-c) junction to case (ac) 2.8 c/w r (j-a) junction to ambient c/w
3 revised: january 25, 2013 08:34 am ?2013 littelfuse, inc specifcations are subject to change without notice. please refer to http://www.littelfuse.com for current information. teccor ? brand thyristors 8 amp alternistor quadrac for led dimmer applications Q6008LTH1LED series figure 1: normaliz ed dc holding current vs. junction temperature junction temperature (t j ) -- c ratio of i h /i h (t j = 25c) 0. 0 0. 5 1. 0 1. 5 2. 0 -4 0- 15 10 35 60 85 110 t j = 25c 0 5 10 15 20 25 30 35 40 45 0.7 0.8 0.9 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 instantaneous on-state voltage (v t ) ? volts instantaneous on-state current (i t ) ? amps 0 2 4 6 8 10 12 0246 81 0 rm s on -state cu rre nt [i t( rm s) ] - (a mp s) a verage on -state po wer di ssi pa ti on [p d(av ) ] - (watts ) current waveform: sinusoidal load: resistive or inductive conduction angle: 360 70 80 90 100 110 120 02 46 81 01 2 rm s on -state cu rre nt [i t( rm s) ] - am ps ma xi mum al lo wa bl e c ase te mp erat ur e (t c ) - c current waveform: sinusoidal load: resistive or inductive conduction angle: 180 figure 2: on-state cur rent vs. on-state voltage (typical) figure 3: power dissipation vs. rms on-state current (t ypical) figure 4: maximum allo wable case temperature vs. rms on-state current figure 5: surg e peak on-state current vs. number of cycles 1 10 100 1000 11 0 100 1000 surge current duration -- full cycles peak surge (non-repetitive) on-state current (i tsm ) ? amps supply frequency: 60hz sinusoidal load: resistive rms on-state current: [i t(rms) ]: maximum rated value at specifc case temperature notes: 1. gate control may be lost during and immediately following surge current interval. 2. overload may not be repeated until junction temperature has returned to steady-state rated value.
4 revised: january 25, 2013 08:34 am ?2013 littelfuse, inc specifcations are subject to change without notice. please refer to http://www.littelfuse.com for current information. teccor ? brand thyristors 8 amp alternistor quadrac for led dimmer applications Q6008LTH1LED series -8% -6% -4% -2% 0% 2% 4% 6% -4 0- 20 02 04 06 08 01 00 120 140 ju nc ti on te mp erat ur e (t j ) -- c v bo ch a nge -- % figure 6: diac v bo change vs. junction temperature d.u.t. mt2 mt1 c t = 0.1 f t v c 120 v 60 hz r l ?v+ ?v- v c +v bo -v bo figure 7: test circuit figure 8: test circuit waveform
5 revised: january 25, 2013 08:34 am ?2013 littelfuse, inc specifcations are subject to change without notice. please refer to http://www.littelfuse.com for current information. teccor ? brand thyristors 8 amp alternistor quadrac for led dimmer applications Q6008LTH1LED series soldering parameters refow condition pb C free assembly pre heat - temperature min (t s(min) ) 150c - temperature max (t s(max) ) 200c - time (min to max) (t s ) 60 C 180 secs average ramp up rate (liquidus temp) (t l ) to peak 5c/second max t s(max) to t l - ramp-up rate 5c/second max refow - temperature (t l ) (liquidus) 217c - temperature (t l ) 60 C 150 seconds peak temperature (t p ) 260c +0/-5 time within 5c of actual peak temperature (t p ) 20 C 40 seconds ramp-down rate 5c/second max time 25c to peak temperature (t p ) 8 minutes max. do not exceed 280c environmental specifcations test specifcations and conditions high temperature voltage blocking mil-std-750: method 1040, condition a rated v drm (vac-peak), 110c, 1008 hours temperature cycling mil-std-750: method 1051 -40c to 150c, 15-minute dwell, 100 cycles biased temperature & humidity eia/jedec: jesd22-a101 320vdc, 85c, 85%rh, 1008 hours high temp storage mil-std-750: method 1031 150c, 1008 hours low-temp storage -40c, 1008 hours thermal shock mil-std-750: method 1056 0c to 100c, 5-minute dwell, 10-second transfer, 10 cycles autoclave (pressure cooker test) eia/jedec: jesd22-a102 121c, 100%rh, 2atm, 168 hours resistance to solder heat mil-std-750: method 2031 260c, 10 seconds solderability ansi/j-std-002, category 3, test a lead bend mil-std-750: method 2036, condition e physical specifcations terminal finish 1005 matte tin-plated body material ul recognized epoxy meeting fammability classifcation 94v-0 lead material copper alloy design considerations careful selection of the correct device for the applications operating parameters and environment will go a long way toward extending the operating life of the thyristor. good design practice should limit the maximum continuous current through the main terminals to 75% of the device rating. other ways to ensure long life for a power discrete semiconductor are proper heat sinking and selection of voltage ratings for worst case conditions. overheating, overvoltage (including dv/dt), and surge currents are the main killers of semiconductors. correct mounting, soldering, and forming of the leads also help protect against component damage. ti me temperature t p t l t s(max) t s(min) 25 t p t l t s time to peak temperature preheat p r e h eat ramp-up ramp-up ramp-down r am p - do
6 revised: january 25, 2013 08:34 am ?2013 littelfuse, inc specifcations are subject to change without notice. please refer to http://www.littelfuse.com for current information. teccor ? brand thyristors 8 amp alternistor quadrac for led dimmer applications Q6008LTH1LED series product selector part number type package Q6008LTH1LED alternistor quadrac to-220l dimensions to-220ab (l-package) isolated mounting tab dimension inches millimeters min max min max a 0.380 0.420 9.65 10.67 b 0.105 0.115 2.67 2.92 c 0.230 0.250 5.84 6.35 d 0.590 0.620 14.99 15.75 e 0.142 0.147 3.61 3.73 f 0.110 0.130 2.79 3.30 g 0.540 0.575 13.72 14.61 h 0.025 0.035 0.64 0.89 j 0.195 0.205 4.95 5.21 k 0.095 0.105 2.41 2.67 l 0.060 0.075 1.52 1.91 m 0.085 0.095 2.16 2.41 n 0.018 0.024 0.46 0.61 o 0.178 0.188 4.52 4.78 p 0.045 0.060 1. 14 1.52 r 0.038 0.048 0.97 1.22 k j a h g b f e c d l r t c measuring point mt2 o p n m mt1 t (trigger) area (ref.) 0.17 in 2 .320 8.13 .526 13.36 .276 7. 01 note: maximum torque to be applied to mounting tab is 8 in-lbs. (0.904 nm). packing options part number marking weight packing mode base quantity Q6008LTH1LED q6008lth1 2.2 g bulk 500 Q6008LTH1LEDtp q6008lth1 2.2 g tube 500 (50 per tube) part marking system part numbering system q 60 08 l t h1 device type q: quadrac voltage ratin g 60: 600v current rating 08: 8a trigger t: internal diac (33v ? 43v) package type l: to-220 (isolated ) triac type h1: low holding current alternistor quadrac led lighting application led ? ymxxx q6008lth 1 to-220 ab - (l pa ck age) date code marking y:year code m: month code xxx: lot trace code
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