lce6.5 thru lce28a series low capacitance t rans z orb transient voltage suppressor stand-off voltage - 6.5 to 28 volts peak pulse power - 1500 watts features plastic package has underwriters laboratory flammability classification 94v-0 glass passivated junction 1500w peak pulse power capability with a 10/1000 m s waveform, repetition rate (duty cycle): 0.05% excellent clamping capability low incremental surge resistance fast response time: typically less than 5.0ns from 0 volts to v (br) ideal for data line applications high temperature soldering guaranteed: 265?/10 seconds, 0.375" (9.5mm) lead length, 5lbs. (2.3 kg) tension mechanical data case: molded plastic body over a passivated junction terminals: plated axial leads, solderable per mil-std-750, method 2026 polarity: color band denotes positive end (cathode) mounting position: any weight: 0.045 ounce, 1.2 grams maximum ratings and characteristics ratings at 25? ambient temperature unless otherwise specified. symbol value units peak pulse power dissipation with a 10/1000 m s waveform (note 1, fig. 1) p ppm minimum 1500 watts steady state power dissipation, t l =75? with at lead lengths 0.375" (9.5mm) p m(av) 6.5 watts peak power pulse surge current with a 10/1000 m s waveform ( fig. 3, note 1) i ppm see table 1 amps operating junction and storage temperature range t j, t stg -65 to +175 ? note: (1) non-repetitive current pulse, per fig. 3 and derated above t a =25? per fig. 2 case style 1.5ke schematic dimensions in inches and (millimeters) diode transient voltage suppressor 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. electrical characteristics at (t a =25? unless otherwise noted) table 1 maximum maximum minimum maximum peak maximum working inverse peak breakdown maximum clamping pulse junction inverse blocking inverse stand-off voltage test reverse voltage current capacitance blocking leakage blocking voltage v (br) current leakage at i pp fig.2 at 0 voltage current voltage part v wm (volts) at i t at v wm v c i ppm volts v wib at v wib v pib number (volts) min / max ma i d ( m a) (volts) (amps) ( p f) (volts) i d (ma) (volts) + 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 1/5/99
electrical characteristics at (t a =25? unless otherwise noted) table 1 (cont?) maximum maximum minimum maximum peak maximum working inverse peak breakdown maximum clamping pulse junction inverse blocking inverse stand-off voltage test reverse voltage current capacitance blocking leakage blocking voltage v (br) current leakage at i pp fig.2 at 0 voltage current voltage part v wm (volts) at i t at v wm v c i ppm volts v wib at v wib v pib number (volts) min/max (ma) i d ( m a) (volts) (amps) ( p f) (volts) i d (ma) (volts) + 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 1 6.7-20.4 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 + ul listed for telecom application protection 497b, file number e136766 0.1 m s 1.0 m s 10 m s 100 m s 1.0ms 10ms 0.1 1.0 10 100 0 50 100 150 0 25 50 75 100 0 1.0 2.0 3.0 4.0 0 100 50 ratings and characteristic curves lce6.5 thru lce28a series t l , lead temperature, ? fig. 3 - pulse waveform t, time, ms i ppm, peak pulse current, % percentage of rated power, % pulse width (td) is defined as the point where the peak current decays to 50% of i pp tr=10 m sec. half value - i pp 2 10/1000 m sec. waveform as defined by r.e.a. peak value i ppm fig. 2 - power derating curve fig. 1 - peak pulse power rating curve p ppm , peak pulse power, kw td, pulse width, sec. non-repetitive pulse waveform shown in fig. 3 t a =25? average power peak power (single pulse) lead lengths 0.375" (9.5mm) td fig. 4 - ac line protection application application note: device must be used with two units in parallel, opposite in polarity as shown in circuit for ac signal line protection low capacitance transient voltage suppressor
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