INTERNATIONAL ICTE-5 SEuIconDUCTOR, Ine. thru TRANSIENT VOLTAGE SUPPRESSORS ICTE-45C FOR MICROPROCESSOR PROTECTION 5.0 to 450 VOLTS - ~ 1500 WATT PEAK POWER .0 WATT STEADY STATE 4 MAXIMUM RATINGS AND CHARACTERISTICS 10 Ratings at 25 C ambient unless otherwise specified sea Min RATING SYMBOL VALUE UNITS , Peak Power Dissipation at T,=25C, .200 +.005/-.010 T,=1ms (Note 1) Pox 1.5 kWatts 5.08+.127/-.254 | le t Steady State Power Dissipation at T,=75C Polarity 370 +,005/-.010 Lead Lengths .375", (9.5 mm) (Note 2) Py 5.0 Watts Band 9.4 +.127/-.254 - - (Cathode) Clamping Time 4 0 Volts to Vex teramping <1x 10? Sec Forward Surge Rating 10 14120 sec (Uni-Polar Only) Irs 200 Amps 25.4 Min Operating and Storage Temperature Range Tyler. -65 to +175 C 040 + .002 a pi 1.016 + .018 UNI-POLAR CHARACTERISTICS AT 25C REVERSE | MAXIMUM | MINIMUM | MAXIMUM | MAXIMUM | MAXIMUM All Dimensions in __/"ches STAND-OFF| REVERSE |BREAKDOWN| CLAMPING | CLAMPING |PEAK PULSE millimeters VOLTAGE LEAKAGE | VOLTAGE VOLTAGE VOLTAGE | CURRENT QL 74 1S! (Nate 3) @, @1.0mA | @1,,=1 A | @I,,=10 A| (Fig. 2) PART vat a vad was vets ag P MECHANICAL DATA olts 5 s olts s NUMBER . rf Case: Molded plastic over passivated junctions ICTE-5 5.0 300 6.0 7.1 7.56 160 ; . : tCTE-8 8.0 25 94 11.3 11.5 100 Terminals: Axiai leads, solderable per ICTE-10 10.0 2 11.7 13.7 14.1 90 per MIL-STD-202, Method 208 ICTE-12 12.0 2 144 161 165 70 Polarity: Band Denotes Cathode (Except Bi-Polar) ICTE-15 15.0 2 17.6 20.1 20.6 60 Mounting Position: Any ICTE-18 18.0 2 21.2 24.2 25.2 50 Weight: 0.053 ounce (1.5 grams) ICTE-22 22.0 2 25.9 29.8 32.0 40 ICTE-36 36.0 2 42.4 50.6 4.3 23 FEATURES IGTE-45 45.0 2 52.9 63.3 70.0 19 w Transient Protection for CMOS, MOS, ICs, (TTL, ECL, DTL, RTL, and Linear Functions) CHARACTERISTICS AT 25C =@ Voltage range of 4.5 to 45 volts .0 25 9.4 11.4 11.6 100 . . 0 2 11.7 14.4 14.5 90 = Low clamping ratio .0 2 14.1 16.7 17.1 70 NOTES TO CHARACTERISTICS 0 2 17.6 20.8 21.4 60 1. Non-repetitive current pulse, per Fig.3 and derated .0 2 21.2 24.8 25.5 50 _ _ D 2 25.9 30.8 32.0 40 above T, = 25 C per Fig. 2 2. Mounted on Copper Leaf area of 0.79 sq in (20 sq mm) 3 5 a6 238 a3 23 3. Vag measured after |, applied for 300 us. - - - - |, = Square Wave Pulse or equivalent. Clamping Factor: 1.33 @ Full rated power Clamping Factor is : . 1.20 @ 50% rated power the ratio of Vz to Vag 4. ICTE-5 not available as Bipolar Figure 2: CLAMPING VOLTAGE vs PEAK PULSE CURRENT - Amps Ihe - Peak Pulse Current 40 30 20 5 10 15 V. - Clamping Voltage - Volts ICTE-10 ICTE-1S 20 IeTE-1a 25 FIGURE 3 - PULSE WAVEFORM T, = 25 C FIGURE 4 - PULSE DERATING CURVE IGTE-22 30 35 T, = 10 us Peak Value + of In, = 2 Q - PEAK PULSE CURRENT - %l,, w a Pulse Width (T,) is defined as that point where the peak current decays to 50 % of I, Half Value iN PERCENT of 25C RATING bee 1.0 2.0 3.0 T - TIME (ms) 10 x 1000 Waveform as defined by R.E.A. 4.0 9 25 50 75 100 125 150 T, - AMBIENT TEMPERATURE (C) 175 PEAK PULSE POWER (P,) or CURRENT (I,,) 200 ( 262 Cox Street, Roselle, NJ, USA, 07203-1704 m 908 245-2233 | Toll-Free (800) 392-2474 Fax: (908) 245-5541 me 9000378 0000810 4c%c