POWERZORB IN5555 IN5558 1.5 KW Transient Absorption Zener Diode A range of Transient Absorption zener diodes specifically designed to meet high reliability requirements in the aviation industry. P surge onde 1.5KW; 1mS expo P ax cont = 1W.- VR ce 30.3 - 175V ton oe sunee <10-12S Top astg ee ____ -65to + 175C \ oS J 8.0 mm .315 | 8.9 mm .350 1.25" pe 9285" 5.33mm | 5.584 | es 127mm .20" + .005 dia ___ lL , 2.28 mm 0.09 Case Outline DO13 max dia . Polarity Band Cathode 0.762 mm | 0.686 mm Availabie in the following configurations {By a 25 IN5555 -IN5558 Electrical Characteristics at 25C Minimum Reverse Maximum Maximum Peak . breakdown stand-oft reverse clamping pulse Maximum voltage voltage leakage voltage current Temp JEDEC at 1mA VR atv at iZSM 1 \1ZSM 1 coefficient Type No. VBR Volts Volts IRpA VCL Volts Amps %/C IN5555 33.0 30.5 5.0 47.5 32.0 + .093 IN5556 43.7 40.3 5.0 63.5 24.0 + .094 IN5557 54.0 49.0 5.0 78.5 19.0 + .096 IN5558 191.0 175.0 5.0 265.0 5.7 +.100 Mechanical Characteristics CASE: Hermetically sealed metal and glass DO13 FINISH: All external surfaces are corrosion resistant and leads solderable POLARITY: Cathode connected to case IDENTIFICATION: Body marked with Type no., logo and zener symbol THERMAL RESISTANCE: 100C/W junction to ambient WEIGHT: 1.4 grammes approximately Electrical Characteristics FORWARD SURGE CURRENT: 167 Amps max for 10mS PULSE REPETITION RATE: 0.01% FORWARD VOLTAGE Vf 3.5V @ If < 100 Amp VBR measured with pulse <20mS 26 Transient Absorption IN5555 Zener Diode -IN5558 ee ae Se Ise rating curve 100 Exponential wave-form Square-wave pulse Peak Pulse Power (Pp) in KW 0.1Kw 100 ns tus 10ps 100pys ims 10 ms Pulse Time (tp) Note: Peak power defined as peak voltage times peak current Peak Power derating curve Continuous d.c. power derating curve Peak In of 25C 6. Continuous d.c 100% 0.75 50% 0.50 area of area , operation 0.25 of operation 0 50% 100C 150C 200C 0 50C 100C 150C 200C . Tamb C Tamb C Percentage peak pulse power plotted against ambient temperature Continuous d.c. power dissipation plotted against junction temperature Ex Ise waveform Pulse current (ip) in percent of Izsm Pulse time duration is defined as that 100% where tp decays to 50% of Izsm 50% 1 2 3 : Pulse current plotted against time Time (t) in miliseconds SSinitran ; 27