lce6.5a thru lce28a www.vishay.com vishay general semiconductor revision: 22-nov-11 1 document number: 88357 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@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 low capacitance t rans z orb ? transient voltage suppressors features ? glass passivated chip junction ? 1500 w peak pulse power capability with a 10/1000 s waveform, repetitive rate (duty cycle): 0.01 % ? excellent clamping capability ? very fast response time ? low incremental surge resistance ? solder dip 275 c max. 10 s, per jesd 22-b106 ? compliant to rohs directive 2002/95/ec and in accordance to weee 2002/96/ec typical applications use in sensitive electronics protection against voltage transients induced by inductive load switching and lighting on ics, mosfet, signal lines of sensor units for consumer, computer, industrial, and telecommunication. mechanical data case: molded epoxy body over passivated junction molding compound meets ul 94 v-0 flammability rating base p/n-e3 - rohs compliant, commercial grade terminals: matte tin plated leads, solderable per j-std-002 and jesd 22-b102 e3 suffix meets jesd 2 01 class 1a whisker test polarity: color band denote s tvs cathode end note (1) non-repetitive current pulse, per fig. 3 and derated above t a = 25 c per fig. primary characteristics v wm 6.5 v to 28 v p ppm 1500 w p d 6.5 w t j max. 175 c case style 1.5ke maximum ratings (t a = 25 c unless otherwise noted) parameter symbol limit unit peak pulse power di ssipation with a 10 /1000 s waveform (1) (fig. 1) p ppm 1500 w peak power pulse surge current with a 10/1000 s waveform (1) (fig. 2) i ppm see next table a power dissipation on infinite heatsink at t l = 75 c (fig. 2) p d 6.5 w operating junction and storage temperature range t j , t stg - 65 to + 175 c
lce6.5a thru lce28a www.vishay.com vishay general semiconductor revision: 22-nov-11 2 document number: 88357 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@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 note ? all the above devices are ul li sted for telecom application pr otection 497b, file number e136766 ratings and characteristics curves (t a = 25 c unless otherwise noted) fig. 1 - peak pulse power rating curve fig. 2 - power derating curve electrical characteristics (t a = 25 c unless otherwise noted) part number breakdown voltage v br (v) test current i t (ma) stand-off voltage v wm (v) maximum reverse leakage at v wm i d (a) maximum peak pulse current (fig.3) i pp (a) maximum clamping voltage at i pp v c (v) maximum junction capacitance at 0 (v) ( p f) maximum inverse blocking voltage v wib (v) maximum inverse blocking leakage current at v wib i d (ma) minimum peak inverse blocking voltage v pib (v) min. max. lce6.5a 7.22 7.98 10.0 6.5 1000 100 11.2 100 75 1.0 100 lce7.0a 7.78 8.6 10.0 7.0 500 100 12.0 100 75 1.0 100 lce7.5a 8.33 9.21 10.0 7.5 250 100 12.9 100 75 1.0 100 lce8.0a 8.89 9.83 1.0 8.0 100 100 13.6 100 75 1.0 100 lce8.5a 9.44 10.4 1.0 8.5 50.0 100 14.4 100 75 1.0 100 lce9.0a 10.0 11.1 1.0 9.0 10.0 97 15.4 100 75 1.0 100 lce10a 11.1 12.3 1.0 10.0 5.0 88 17.0 100 75 1.0 100 lce11a 12.2 13.5 1.0 11.0 5.0 82 18.2 100 75 1.0 100 lce12a 13.3 14.7 1.0 12.0 5.0 75 19.9 100 75 1.0 100 lce13a 14.4 15.9 1.0 13.0 5.0 70 21.5 100 75 1.0 100 lce14a 15.6 17.2 1.0 14.0 5.0 65 23.2 100 75 1.0 100 lce15a 16.7 18.5 1.0 15.0 5.0 61 24.4 100 75 1.0 100 lce16a 17.8 19.7 1.0 16.0 5.0 57 26.0 100 75 1.0 100 lce17a 18.9 20.9 1.0 17.0 5.0 54 27.6 100 75 1.0 100 lce18a 20.0 22.1 1.0 18.0 5.0 51 29.2 100 75 1.0 100 lce20a 22.2 24.5 1.0 20.0 5.0 46 32.4 100 75 1.0 100 lce22a 24.4 26.9 1.0 22.0 5.0 42 35.5 100 75 1.0 100 lce24a 26.7 29.5 1.0 24.0 5.0 39 38.9 100 75 1.0 100 lce26a 28.9 31.9 1.0 26.0 5.0 36 42.1 100 75 1.0 100 lce28a 31.1 34.4 1.0 28.0 5.0 33 45.5 100 75 1.0 100 ordering information (example) preferred pin unit weight (g) preferred package code base quantity delivery mode lce6.5a-e3/54 0.968 54 1400 13" di ameter paper tape and reel t d - p u lse width 100 10 1 0.1 p ppm - peak p u lse po w er (kw) 0.1 s 1.0 s 10 s 100 s 1.0 ms 10 ms l = 0.375" (9.5 mm) lead lengths t l - lead temperat u re (c) 100 75 25 0 0 50 100 150 175 peak po w er (single p u lse) t j = initial temperat u re po w er dissipation percentage of rated po w er (%) 50 25 75 125
lce6.5a thru lce28a www.vishay.com vishay general semiconductor revision: 22-nov-11 3 document number: 88357 for technical questions within your region: diodesamericas@vishay.com , diodesasia@vishay.com , diodeseurope@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 fig. 3 - pulse w aveform fig. 4 - ac line protection application schematic package outline dimensions in inches (millimeters) t - time (ms) 150 50 0 0 2.0 4.0 i ppm - peak p u lse c u rrent, % i rsm 100 1.0 3.0 peak val u e i ppm 10/1000 s wa v eform as defined by r.e.a. half val u e - i ppm i pp 2 t j = 25 c p u lse width (t d ) is defined as the point w here the peak c u rrent decays to 50 % of i ppm t r = 10 s t d lo w capacitance tvs application note: de v ice m u st be u sed w ith t w o u nits in parallel, opposite in polarity as sho w n in circ u it for ac signal line protection. diode transient voltage s u ppressor 1.0 (25.4) min. 1.0 (25.4) min. 0.375 (9.5) 0.285 (7.2) 0.210 (5.3) 0.190 (4.8) dia. 0.042 (1.07) 0.038 (0.96) dia. case s tyle 1.5ke
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