P4KE68 MICROSEMI | Alldatasheet
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SANTA ANA, CA / SCOTTSDALE, AZ P4KE6.8 thr For more information call: (602) 941-6300 P4KE400 TRANSIENT Features ABSORPTION * ECONOMICAL SERIES ZENER * AVAILABLE IN BOTH UNIDIRECTIONAL AND BIDIRECTIONAL CONSTRUCTION * 6.8 TO 400 VOLTS AVAILABLE * 400 WATTS PEAK PULSE POWER DISSIPATION. | * QUICK RESPONSE om a . . (0.107) Max. Maximum Ratings Ly Peak Pulse Power Dissipation at 25°C: 400 Watts ‘ Steady State Power Dissipation: 1.0 Watt at TL = +75°C at 3/8" Lead Length ‘clamping (0 volts to Viga) Min.): Unidirectional < 1 x 10-12 seconds; Bidirectional <5 x 10 seconds. 0.86 (0.034) id Storage Temperature: -65° to +175°C 9-78 (0-030) Operating an ge Temp DIA. Two Places Application This TAZ is an economica! molded product frequently used for automotive applications ww to protect voltage sensitive components from destruction or partial degradation. The (205) Max response time for unipolar clamping action is virtually instantaneous (1 x 10-12 + " seconds). They have a peak pulse power rating of 400 watts for 1 ms as depicted in Figures 1 and 2. Microsemi also offers various other TAZ devices to meet higher and lower power demands and special applications | ; cae 5 254 Electrical Characteristics at 25°C (1.00) Min Two Pi RATED | @REAKDOWN: (MAXIMUM | MAXIMUM MAXIMUM oiaces srano-ore| “Wotiace ame | "aevense rehapenarone| Vouracr Wouncr’ | teanace Coerncient van) inwent oF om a A PAKEGS 5.50 612 7.48] 10 108 ‘300 7 057 NOTE: Cathode indicated by band. pats. a 320 os He 4 10. 3 ea zn yf All dimensions in millimeters (inches) Bike 3a eo | 5% Salis | ons | 8 3 oat PAR ba $e | pi Beh BF He es Mechanical . aki a in| hee "S85 Bil 3 oe Characteristics Patton $3 | 383 108 FA pa be | da it 3 CASE: Void Free Transfer PaKer? 972] 108 a7 73 2 B Molded Thermosetting mae | ope] agg Bolg Ei Plastic. Breen i [da 33 ino 3 2 Ei tba Us HS Ad ne 3 ct FINISH; Plated Copper Fake 138 [132 168 BS 2 6 Readily Solderable. Saxe 33 [0H tee 33 2 oes baxtzo 2 [iso 20 3 3 oe POLARITY: Band Denotes patton Bi [oe Ho Fa H fed : Bae We 98 242 ne Ty ‘on Cathode. Bidirectional Not paxeoa ine | 3te Sea 3 iis O08 Marked. ie ws | ae 32 3 HH fH (Be | BUR BT BE ey Bt 2 | EIGHT; O7 Gram (APD) pikeso ma |e Be] 4 3 30 | te Fakta Be | a8 S| 3 33 | te Pace ger | 3 33 Fy 50 38 MOUNTING POSITION: panes. yi | sa 396 530 2 75 ‘99 Any. ect ea ioe [33 88 BS i ao | bss 455
P4KE6.8 thru P4KE400 Electrical Characteristics at 25°C Ta aoe |e RR | | oo, euisber] "uamaae™ [Rate | "tense | A [rset I Ve name | oe hid en x tam, max. | ma von 3 Peak Pulte Power a A TS OT So ‘(Single Pulse) WN wee) RE as 8 i] 8 | 8 Re S Barteaa sea | aos 359 2 33 ot ©§ | coninuows Average Power ESERIES a faces sitar me ye ae lead pte me, | ar RE RL | Bo 8 FIGURE 1 mesa | 88 [IRE BS wlio) 2 | & : ee | SBT Bl EL PT 3 | i —w sage | Be ig is Be i) 8 3 FEHB, |HSS IS ss LG 8 Z ae PEKE200 1620 | 1800 2200 con 2 18 ‘ 2 Ls ‘ PaKE230 | 202.0 [2250 2750 360.0 10 Hg FIGURE 2 fees | EMS [ine tue ig B |) 38 Pulse Waveform For #2 [BIB BL] BL ee | Carte) 80 ang pk 8 ine wa elt 3 5S rma fF AIO ain Secon
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0 nso ie SEH SSH ty - Pulse Width pis @ 25°C aH FIGURE 4 eh Peak Pulse Power vs Pulse Time o LET TIT TT 10 1 toon Vier) - Breakdown Voltage - Volts Symbols and Abbreviations FIGURE 3 Ppp = Peak Pulse Power Vc (max) = Maximum Clamping Voltage PAKE Typical Capacitance vs (gr) = Breakdown Vottage ty = Test Current