lce6.5 thru lce28a series vishay semiconductors formerly general semiconductor document number 88357 www.vishay.com 03-may-02 1 low capacitance t rans z orb transient voltage suppressors peak pulse power 1500w stand-off voltage 6.5 to 28v maximum ratings and thermal characteristics (t a = 25? unless otherwise noted) parameter symbol limit unit peak pulse power dissipation with a 10/1000 s waveform p ppm minimum 1500 (1)(2) w steady state power dissipation, at t l = 75 o c p m(av) 6.5 w with lead lengths 0.375 (9.5mm) peak power pulse surge current with a 10/1000 s i ppm see next table a waveform (1)(3) operating junction and storage temperature range t j , t stg 65 to +175 o c note : (1) non-repetitive current pulse, per fig.3 and derated above t a = 25? per fig. 2 (2) see figure 1 (3) see figure 3 schematic diode transient voltage suppressor features ?plastic package has underwriters laboratory flammability classification 94v-0 ?glass passivated junction ?1500w peak pulse power capabililty with a 10/1000 s waveform, repetition rate (duty cycle): 0.05% ?excellent clamping capability ?low incremental surge resistance ?very fast response time ?ideal for data line applications ?high temperature soldering guaranteed: 265 c/10 seconds, 0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension mechanical data case: molded plastic body over passivated junction terminals: plated axial leads, solderable per mil-std-750, method 2026 polarity: color band denotes tvs cathode mounting position: any weight: 0.045 oz., 1.2 g packaging codes ?options (antistatic): 51 ?1k per bulk box, 10k/carton 54 ?1.4k per 13" paper reel (52mm horiz. tape), 4.2k/carton 73 ?1k per horiz. tape & ammo box, 10k/carton 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. dimensions in inches and (millimeters) case style 1.5ke
lce6.5 thru lce28a series vishay semiconductors formerly general semiconductor www.vishay.com document number 88357 2 03-may-02 electrical characteristics (t a = 25? unless otherwise noted) maximum maximum minimum breakdown maximum peak maximum working inverse peak voltage maximum clamping pulse junction inverse blocking inverse stand-off v (br) test reverse voltage current capacitance blocking leakage blocking voltage (v) current leakage at i pp (fig 3) at 0 voltage current voltage part v wm at i t at v wm v c i ppm (v) v wib at v wib v pib number (v) min max ma i d ( a) (v) (a) (pf) (v) i d (ma) (v) lce6.5 6.5 7.22 8.82 10.0 1000 12.3 100 100 75 1.0 100 lce6.5a 6.5 7.22 7.98 10.0 1000 11.2 100 100 75 1.0 100 lce7.0 7.0 7.78 9.51 10.0 500 13.3 100 100 75 1.0 100 lce7.0a 7.0 7.78 8.60 10.0 500 12.0 100 100 75 1.0 100 lce7.5 7.5 8.33 10.2 10.0 250 14.3 100 100 75 1.0 100 lce7.5a 7.5 8.33 9.21 10.0 250 12.9 100 100 75 1.0 100 lce8.0 8.0 8.89 10.9 1.0 100 15.0 100 100 75 1.0 100 lce8.0a 8.0 8.89 9.83 1.0 100 13.6 100 100 75 1.0 100 lce8.5 8.5 9.44 11.5 1.0 50.0 15.9 94 100 75 1.0 100 lce8.5a 8.5 9.44 10.4 1.0 50.0 14.4 100 100 75 1.0 100 lce9.0 9.0 10.0 12.2 1.0 10.0 16.9 89 100 75 1.0 100 lce9.0a 9.0 10.0 11.1 1.0 10.0 15.4 97 100 75 1.0 100 lce10 10 11.1 13.6 1.0 5.0 18.8 80 100 75 1.0 100 lce10a 10 11.1 12.3 1.0 5.0 17.0 88 100 75 1.0 100 lce11 11 12.2 14.9 1.0 5.0 20.1 74 100 75 1.0 100 lce11a 11 12.2 13.5 1.0 5.0 18.2 82 100 75 1.0 100 lce12 12 13.3 16.3 1.0 5.0 22.0 68 100 75 1.0 100 lce12a 12 13.3 14.7 1.0 5.0 19.9 75 100 75 1.0 100 lce13 13 14.4 17.6 1.0 5.0 23.8 63 100 75 1.0 100 lce13a 13 14.4 15.9 1.0 5.0 21.5 70 100 75 1.0 100 lce14 14 15.6 19.1 1.0 5.0 25.8 58 100 75 1.0 100 lce14a 14 15.6 17.2 1.0 5.0 23.2 65 100 75 1.0 100 lce15 15 16.7 20.4 1.0 5.0 26.9 56 100 75 1.0 100 lce15a 15 16.7 18.5 1.0 5.0 24.4 61 100 75 1.0 100 lce16 16 17.8 21.8 1.0 5.0 28.8 52 100 75 1.0 100 lce16a 16 17.8 19.7 1.0 5.0 26.0 57 100 75 1.0 100 lce17 17 18.9 23.1 1.0 5.0 30.5 49 100 75 1.0 100 lce17a 17 18.9 20.9 1.0 5.0 27.6 54 100 75 1.0 100 lce18 18 20.0 24.4 1.0 5.0 32.2 46 100 75 1.0 100 lce18a 18 20.0 22.1 1.0 5.0 29.2 51 100 75 1.0 100 lce20 20 22.2 27.1 1.0 5.0 35.8 42 100 75 1.0 100 lce20a 20 22.2 24.5 1.0 5.0 32.4 46 100 75 1.0 100 lce22 22 24.4 29.8 1.0 5.0 39.4 38 100 75 1.0 100 lce22a 22 24.4 26.9 1.0 5.0 35.5 42 100 75 1.0 100 lce24 24 26.7 32.6 1.0 5.0 43.0 35 100 75 1.0 100 lce24a 24 26.7 29.5 1.0 5.0 38.9 39 100 75 1.0 100 lce26 26 28.9 35.3 1.0 5.0 46.6 32 100 75 1.0 100 lce26a 26 28.9 31.9 1.0 5.0 42.1 36 100 75 1.0 100 lce28 28 31.1 38.0 1.0 5.0 50.1 30 100 75 1.0 100 lce28a 28 31.1 34.4 1.0 5.0 45.5 33 100 75 1.0 100 note: all the above devices are ul listed for telecom application protection 497b, file number e136766.
lce6.5 thru lce28a series vishay semiconductors formerly general semiconductor document number 88357 www.vishay.com 03-may-02 3 ratings and characteristic curves (t a = 25? unless otherwise noted) 0 50 100 150 175 0 25 50 75 100 average power peak power (single pulse) low capacitance tvs fig. 2 - power derating curve fig. 4 - ac line protection application percentage of rated power (%) t l lead temperature ( c) application note : device must be used with two units in parallel, opposite in polarity as shown in circuit for ac signal line protection. lead lengths 0.375" (9.5mm) p ppm peak pulse power (kw) fig. 1 peak pulse power rating curve 0.1 1 10 100 0.1 s 1.0 s10 s t d pulse width (sec.) 100 s 1.0ms 10ms 0 50 100 150 i ppm peak pulse current, % i rsm fig. 3 pulse waveform t j = 25 c pulse width (td) is defined as the point where the peak current decays to 50% of i ppm tr = 10 sec. peak value i ppm half value ipp i ppm 2 td 10/1000 sec. waveform as defined by r.e.a. 0 1.0 2.0 3.0 4.0 t time (ms)
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