P4KE68A

P4KE SERIES GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR CHENG- YI CHENGELECTRONIC VOLTAGE 6.8 to 144 VOLTS 400 WATT PEAK POWER 1.0 WATTS STEADY STATE DO-15 FEATURES Plastic package has Underwrites Laboratory Flammability Classification 94V-O Glass passivated chip junction in DO-15 package 400W surge capability at 1 ms Excellent clamping capability Low zener impedance Fast response time: typically less than 1.0 ps from 0 volts to BV min. Typical IR less than 1 A above 10V High tempreature soldering guaranteed: 3000C/10 seconds /.375",(9.5mm) lead length/51bs.,(2.3kg) tension MECHANICAL DATA Case:JEDEC DO-15 Molded plastic Terminals:Plated Axial leads, solderable per MIL-STD-202, Method 208 Polarity:Color band denotes cathode except Bipolar Mounting Position:Any Weight:0.015 ounce, 0.4 gram MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 250C ambient temperature unless otherwise specified. Single phase, half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%. RATINGS Peak Pulse Power Dissipation at TA=25 C, TP=1ms (NOTE 1) Steady Power Dissipation at TL=75 C Lead Lengths .375",(9.5mm)(NOTE 2) Peak Forward Surge Current 8.3ms Single Half Sine-Wave Superimposed on Rated Load(JEDEC Method)(NOTE 3) Operating Junction and Storage Temperature Range 0 0 SYMBOL PPK PD VALUE Minimum 4000 1.0 UNITS Watts Watts Amps 0 IFSM TJ, TSTG 40.0 -65 to + 175 C Notes: 1. Non-repetitive current pulse, per Fig.3 and derated above TA=250C per Fig.2 2. Measured on copper Leaf area of 1.57 in2 (40mm2) 3. 8.3mm single half sine-wave, duty cycle=4 pulses minutes maximum. P4KE SERIES GLASS PASSIVATED JUNCTION TRANSIENT VOLTAGE SUPPRESSOR CHENG- YI ELECTRONIC RATING AND CHARACTERISTICS CURVES P4KE SERIES Fig. 1 - PEAK PULSE POWER VS PULSE TIME PEAK PULSE POWER (P PP) OR CURRENT (l PP) DERATING PERCENTAGE % 100 Fig. 2 - PULSE DERATING CURVE PPPM, PEAK PULSE POWER, kW 100 Non-Repetitive Pulse waveform Shown in Flgure 3 TA=250C 75 10 50 1.0 25 0.1 0.1 s 1.0 s 10 s 100 s 1.0ms 10ms 0 0 25 50 75 100 125 150 175 200 td, PULSE WIDTH, SEC TA, AMBIENT TEMPERATURE, 0C Fig. 3 - PULSE WAVEFORM 150 Fig. 4 - TYPICAL JUNCTION CAPACIT ANCE UNIDIRECTIONAL 105 IPPM, PEAK PULSE CURRENT, % tf=10 se Peak Value Ippm 100 Half Value-Ipp 2 TA=250C Pulse Width (td) is Defined as the Poitn Where the Peak Current Decays to 50% of Ipp CJ, CAPACITANCE, pF 10,000 0 TJ=25C f=1.0MHz Vsig=50mVp-p 50 10/1000 sec Waveform as Defined by R.E.A e-kt td Measursd at Zero Bias 1,000 Measursd at Stand-Off Voltage(V MW) 0 0 1.0 2.0 3.0 4.0 t, TIME, ms 100 1.0 2.0 10 20 100 200 Pm (AV) STEADY STATE POWER DISSIPATION, WATTS Fig. 5 - STEADY STATE POWER DERATING CURVE 100 V(BR), BREAKDOWN VOLTAGE, VOLTS Fig. 6 - MAXIMUM NON-REPETITIVE 0.75 PEAK FORWARD SURGE CURRENT IFSM, PEAK FORWARD SURGE CURRENT AMPERES 50 8.3ms Single Half Sine Wave JEDEC Method 0.50 l=375"(9.5mm) TJ=TJ max 40 30 20 10 0.25 40mmx40mmx1mm Cu (1.58"x1.58"x.040") 0 0 25 50 75 100 125 150 175 200 TL, LEAD TEMPERATURE, 0C 0 1 2 4 6 8 10 20 40 60 80100 NUMBER OF CYCLES AT 60 Hz