1N2804 MICROSEMI
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Technical content
Microsemi Corp. and
1 Te tote essen
SANTA ANA. CA / SCOTTSDALE, AZ 1N4564B / For more information call: (602) 941-6300
FEATURES
‘© ZENER VOLTAGE 3.9V to 200V SILICON ‘© AVAILABLE IN TOLERANCES OF +5%, 10% and +20% 50 WATT © DESIGNED FOR MILITARY ENVIRONMENTS (See Below) ZENER DIODES MAXIMUM RATINGS Junction and Storage Temperatures: —65°C to +175°C DC Power Dissipation: 50 watts Power Derating: 0.5W/°C above 75°C Forward Voltage @ 10 A: 1.5 Volts <— Te *ELECTRICAL CHARACTERISTICS @ 25°C Ie cl ‘pie : Crag Trica Lo NA iets ow, sux oxen urcoance | ice oer | waxauw wseast Lb nore | “town wen cammomt | vocce, | Mae? ann rene, | vattse agersee | remeeen | (Um rer oe | Hee Seeremm | ee | ah N 2% wx 9h gaye [an me (Note 2) m= sre 3427 Hb.N62 = 0.254 Teesera | 30 | EB] — of |e |g Je es —_ wt esses | «2 | wo | oie | so | woese | © moan | ten — finesse | 47 | aso | oir | too | ‘apm | Doms | too | ooaaar0 finasera | 58 750 01 900 #5100 +003 ao}. 1 24871.968 4187 = 0.010, TINAS628° 62 2000 Ot 1000 7.300 +0009 20 2 [501500250 wwaseso| 6s | isso | one | ‘zo | oan | S003 | ao | 3 | anasees | 75 | isso | oz | to | 800 | too | wo | 3 ! Fikeznoan 50] —07 7} Ta wo | 89 oso 078 ‘11N28058° 1700 03 m 6600 045 100 10.822 = 254 finzsoee iso | 0a m | Sam os | 's0 rr finzso7e im | os nm | S30 os | 4 ise oon f1N28088 1200 06 0 0 055 5 Hes 0.665 = 0.010 +1N26098 1100 os # 4300 060, 0 - ‘16.891 = 0.254 Fiza 08 ian] —10 0] 4088 mS] 0 S358 2808 FIN28118 960 MW oO 3,700 065, 10 #Ot inniza mo | 12 © 3400 am | 1 INCH 1128138 830 14 co) 3,100 070 10 All dimensions in FIGURE 1 41N28148 70 16 o 2,950 070 10 am 1N28158 740. 18 80 2750, 975 10 Fanzarea} “Te 700 t a ee 5} irani7a | 19 eo | 2 © | 260 as | i | ta finzsies | 20 eo | 2a © 239 ms | to | tse ‘t1N28198 | 22 570 25 x 2,100 080 0 167 MECHANICAL ‘t1N28208 | 24 520 26 0 1,950 080 10 182 CHARACTERISTICS awze218 | _25 | _ soo 27 0 1850, 80 10_| 19 tinze22a | 27 460 Ey ” 1,650 085, 10 | 208 CASE: Industry Standard TO-3, fpinaszae | 30 om | 30 Fy ssa os | jo | zee ‘ finances | 33 Py 2 2 tee ea wo | ast (modified), hermetically sealed, finaease | 36 wo | 3s © 10 os | 10 | me 0.052 inch diameter pins. tices | as mo | ag 3 hus ee ees FINISH: All extemal surfaces are anzez88 | as | a0 rr 500} i030 eo a BE corrosion resistant and terminal rizazoe a7 270 50 100 980 990 0 388 solderable. 25308 | $0 mo] so | im 3 oo | wo | ° 1Nz8318 | 51 m5 52 100 975 080 0 388 THERMAL RESISTANCE: 1.5°C/W finzsaze | 56 m | 6 ua fa oo | 10 | ae i finzaizs | ss zw] § ha ts om | | es (Typical) junction to base. 283487} BF im] ay oe 09010] sir POLARITY: Standard Polarity units pinzaose | mw | $ 0 so m | | ss are connected anode to case. Re- ‘+1N28378 | oF 40 5 180 a0 090 10 | ea verse polarity (cathode to case is 1N28388 | 100 120 2 200 450 090 10 7 i y n2e388 | 09 wis | = “ oo | 2 | indicated by a red dot on the FFinz8408 | 110 110 30 20 a0 095 10 | 838 base plate. (Suffix R) tineare | 120 m | o 20 Ba as | io | a2 FIG! ; piNzse28 | 190 8 50 2s 5 095 10 | 988 WEIGHT: 15 grams. anenaae | 120 ws | 9s ‘00 e os | 10 | 140 iG VARE: § yinzoean | 50 B | 8 2s 3 Ha 1 | use MOUNTING HARDWARE: See fiMzo00 | 140 | 9 Py i a | 10 | tase page 29, tinzaeea | too & | 0 i oo] 10] 20 *JEDIEC Registered Data. **Not JEDEC Data. 515 *+Have JAN, JANTX and JANTXV Qualifications to MIL-S-19500/114.
1N2804 thru 1N2846B, 1N4557B thru 1N4564B NOTE1 The JEDECtype numbers shown (Bsuffix) havea « 5% tolerance on nominal zener voltage. The suffix A is used to identify + 10% tolerance; no suffix indicates + 20% tol- erance. If tighter tolerance is required, consult factory. 2 Standard polarity units have the anode connected to the case. Fy Reverse polarity (cathode-to-case) units are available and are Es indicated by suffixing an R to the part number. +* N NOTE 2 Zener Voltage (Vz) is measured with junction in z HaERNE thermal equilibrium with 30°C base temperature. The test 3° Ni currents (Iz7) have been selected so that at nominal voltages é the dissipation is a constant 12.5 watts, This results in a : \\ nominal junction temperature rise of 18.75°C. em NY AC. voltage, which results when an A.C. current having an 0 “ RMS. value equal to 10% of the D.C. zener current (Iz or 1,4) is superimposed on Izt OF Iz. Zener impedance is measured at 2 points to insure a sharp knee on the breakdown curve and Coo to eliminate unstable units. A curve showing the variation of case Teworeatine ¢ zener impedance vs. zener current for six representative types FIGURE 2 is shown in Figure 3. A 100% cathode ray tube curve trace POWER DERATING CURVE test is used to insure that each zener diode breakdown region begins at a current lower than 1,4 and continues at nearly REVERSE POLARITY constant voltage to a current level in excess of Tm yee {CATHODE TOCASE) BED DOT OW CASE AND NOTE 4 The values of Izy are calculated for a +5% toler- Cuan “RY SUFFIX ON TYPE NO, ance on nominal zener voltage. Allowance has been made for RestSToR —_ g INTERLOCK JUMPER INTERLOCK JUMPER the rise in zener voltage above Vz_ which results from zener \\ ‘ elon impedance and the increase in junction temperature as power c) toe dissipation approaches 50 watts. In the case of individual ' diodes Im is that value of current which results in a dissipa- j } tion of $0 watts. case renminat/™ GReiO case renwina/ ” OW tN: oO ey) Typical circuit connections for anode-to-case and cathode-to-case polarities (standard and reverse polarities, respectively), SSS 0 SSS SRSA a tease a GE Se aa eta eT Eat ae wae ARE EEE es var NORE EEE ESE N CET TETT cumnewr ser cova a Fo Hs PRCT w SSCNUTEATTTIPSSS |g FeO > Pais Si acess Sess eteemsais: 6 ES a S56 Se ea meee a = ona Pf ae! NS —_ atid : ASRS SSS? ERR sd
2 Wo Pee SSSI $, HE TSA
2 ESS Sey g SSNS ay
5 EES SHy 2 ERR SSH EHH
2 Ee CRASS os EER Nd
= fee <4 ae Sg mali rot HI SS of LT ime Sess X pT SAT SS S53 SS SSS eases. a Ree tS Fn zi a SES SS) Secs ii SE SS aa ode LO PT LLL . w 0 ol 01 o 1 1 10 routs ieamps Aad nts FIGURE 3 TYPICAL ZENER IMPEDANCE vs. ZENER CURRENT 5-16 FOR TYPES SHOWN