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1N5537A Dataheets PDF



Part Number 1N5537A
Manufacturers Motorola
Logo Motorola
Description LOW VOLTAGE AVALANCHE ZENER DIODES
Datasheet 1N5537A Datasheet1N5537A Datasheet (PDF)

IN5518A,B thru IN5546A,B ® MOTOROI.A LOW VOLTAGE AVALANCHE SILICON OXIDE PASSIVATED ZENER REGULATOR DIODES Highly reliable silicon regulators utilizing an oxide-passivated junction for long-term voltage stability. Double slug construction provides a rugged. glass-enclosed. hermetically sealed structure. • Low Zener Noise Specified • Low Maximum Regulation Factor • Low Zener Impedance • Low Leakage Current • Controlled Forward Characteristics • Temperature Range: -65 to + 2000 C I I MAXIM.

  1N5537A   1N5537A


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IN5518A,B thru IN5546A,B ® MOTOROI.A LOW VOLTAGE AVALANCHE SILICON OXIDE PASSIVATED ZENER REGULATOR DIODES Highly reliable silicon regulators utilizing an oxide-passivated junction for long-term voltage stability. Double slug construction provides a rugged. glass-enclosed. hermetically sealed structure. • Low Zener Noise Specified • Low Maximum Regulation Factor • Low Zener Impedance • Low Leakage Current • Controlled Forward Characteristics • Temperature Range: -65 to + 2000 C I I MAXIMUMRATINGS Rating DC Power Dissipation @TA =5o"C Derate above 5o"C DC Power Dissipation @TL =5o"C Lead Length = 118" Derate above 5o"C IFigure 1I Operating and Storage Junction Temperature Range Symbol Po Po TJ,Tstg Value 400 3.2 500 3.3 -65 to +200 Unit mW mW/oC mW mWJOC °c MECHANICAL CHARACTERISTICS CASE: l:Iermetically sealed. all'glass DIMENSIONS: See outline drawing. FINISH: Allexternel surfaces ere corrosion rasistantand leads are readily solderable and weldable. POLARITY: cathode indicatad by polarity band. WEIGHT: 0.2 Gram lapproxl MOUNTING POSITION: Any FIGURE 1 - POWER-TEMPERATURE DERATING CURVE g O.S " k"~ z '-...0 0.6 Lo l)S" ~ LE~ r--L=LJAD GTH TO HEATSINK iii Q .................. 3JS" '~" 0.4 . ---- "~ r-..J'--. ... """'- ::----,"x. 0.2 . ":::::::" 1.0........... .......... r-....... r--. ~ ~ o ~~ o 20 40 60 SO 100 120 140 160 ISO 200 TL, LEAD TEMPERATURE IDCI LOW VOLTAGE AVALANCHE ZENER DIODES 400 MILLIWATTS 3.3 THRU 33 VOLTS -I8s 1- ~~~ 9-~ rt--~ L~ NOTES: 1. PACKAGE CONTOUR OPTIONAL WITHIN A AND B. HEAT SLUGS, IF ANY, SHALL BE INCLUDED WITHIN THIS CYLINDER. BUT NOT SUSJECT TO THE MINIMUM liMIT OF B. 2. LEAD DIAMETER NOT CONTROLLED IN ZONE F TO ALLOW FOR FLASH. LEAD FINISH BUILDUP AND MINOR IRREGU· LARITIES OTHER THAN HEAT SLUGS. 3. POLARITY DENOTED BY CATHODE BAND. 4. DIMENSIONING AND TOLERANCING PER ANSI YI4.5. 1973. MILLIMETERS INCHES DIM MIN MAX MIN MAX A 3.05 5.08 10.12Q 0.200 B 1.52 2.29 0.060 0.090 0 0.46 0.56 0.018 0.022 - -F 1.27 0.050 K 25.40 3S.10 1.000 1.500 All JEDEC dlmanaonl8nd notasapply. CASE 299-02 DO·204AH 4-70 1N5518A, B thru 1N5546A, B ELECTRICAL CHARACTERISTICS (TA = 25°C unless otherwise noted. Based on dc measurements at thermal equilibrium; VF = 1.1 Max @ IF = 200 mA for all types) JEDEC TypaNo. (Note1l Nominal Zenar Voltage YZ@IZT Volts (Note 2) Test Current IZT mAde Max Zener Impedance a-C·DSuffix ZZT@lIZT Ohms (Nota 3) Max Raverte Leakage Current IR ~Ade (Note 4) VR -Volts NonlcA- B-C·D Suffix Suffix· B~·DSuffix Maximum DC Zenar Currant IZM mAde (No," 5) a.oC-OSutfix Max Noilo Density "IZ=250~A ND (Figure 1) (micro-volts per square root cycle' Regulation Factor I>YZ Yoits INoteS) lN5618A lN5519A lN5520A lN5521A lN5522A lN5523A lN5524A lN5525A lN5526A lN5527A lN5528A lN5529A lN5530A lN5531A lN5532A lN5533A lN5534A lN5535A lN5536A lN5537A lN5536A lN5539A lN5540A lN5541A lN5542A lN5543A lN5544A lN5545A lN5546A 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 19.0 20.0 22.0 24.0 25.0 28.0 30.0 33.0 20 20 20 20 10 5.0 3.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 26 5.0 0.90 1.0 115 24 3.0 0.90 1.0 105 22 1.0 0.90 1.0 96 18 3.0 1.0 1.6 88 22 2.0 1.5 2.0 81 28 2.0 2.0 2.5 75 30 2.0 3.0 3.5 68 30 1.0 4.5 5.0 61 30 1.0 5.5 6.2 56 35 0.5 6.0 6.8 51 40 0.5 6.5 7.5 46 45 0.1 7.0 8.2 42 60 0.05 8.0 9.1 38 80 0.05 9.0 9.9 35 90 0.05 9.5 10.8 32 90 0.01 10.6 11.7 29 100 0.Q1 11.5 12.6 27 100 0.01 12.5 13.5 25 100 0.01 13.0 14.4 24 100 0.01 14.0 15.3 22 100 0.Q1 15.0 16.2 21 100 0.01 16.0 17.1 20 100 0.01 17.0 18.0 19 100 0.Q1 18.0 19.8 17 100 0.01 20.0 21.6 16 100 0.01 21.0 22.4 15 100 0.01 23.0 25.2 14 100 0.Q1 24.0 27.0 13 100 0.Q1 28.0 29.7 12 0.5 0.90 0.5 0.90 0.5 0.85 0.5 0.75 0.5 0.60 0.5 0.65 1.0 0.30 1.0 0.20 1.0 0.10 2.0 0.05 4.0 0.05 4.0 0.05 4.0 0.10 5.0 0.20 10 0.20 15 0.20 20 0.20 20 0.20 20 0.20 20 0.20 20 0.20 20 0.20 20 0.20 20 0.25 20 0.30 20 0.35 20 0.40 20 0.45 20 0.50 Low YZ Current IZL mAde 2.0 2.0 2.0 2.0 1·0 0.25 0.25 om 0.01 0.01 am 0.01 0.01 om am 0.01 0.01 0.01 0.01 0.01 0.01 0.Q1 0.01 0.01 0.01 0.01 0.01 0.Q1 0.01 II NOTE 1 - TOLERANCE AND VOLTAGE DESIGNATION The JEOEC type numbers shown are :t 10% with guaranteed limits for VZ, )R, and VF. Units with guaranteed limits for an six parameters are indiceted by a "8" suffix for :t 5.O"k units, "C" suffix for :t 2.0% and "0" suffix for :t 1.0%. NOTE 2 - ZENER VOLTAGE (Vzl MEASUREMENT Nominal zener voltage is measured with the device junction in thermal equilibrium with ambient temperature of 250 C. NOTE 3 - ZENER IMPEDANCE (Zzl DERIVATION The zener impedance is derived from the 60 Hz ac voltage, which results when an ae current having an rms value equal to 10% of the de zener current IIZT) is superimposed on 'ZT. NOTE 4 - REVERSE LEAKAGE CURRENT URI Reverse leakage currents are.


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