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3EZ11 THRU 3EZ200
GLASS PASSIVATED JUNCTION SILICON ZENER DIODE VOLTAGE - 11 TO 200 Volts Power - 3.0 Watts
FEATURES l l l l l l l l Low profile package Built-in strain relief Glass passivated junction Low inductance Excellent clamping capability Typical ID less than 1 A above 11V High temperature soldering : DO-15
260 /10 seconds at terminals Plastic package has Underwriters Laboratory
Flammability Classification 94V-O
MECHANICAL DATA Case: JEDEC DO-15, Molded plastic over passivated junction Terminals: Solder plated, solderable per MIL-STD-750, method 2026 Polarity: Color band denotes positive end (cathode) Standard Packaging: 52mm tape Weight: 0.015 ounce, 0.04 gram
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Ratings at 25 ambient temperature unless otherwise specified. Peak Pulse Power Dissipation (Note A) Derate above 75 Peak forward Surge Current 8.3ms single half sine-wave superimposed on rated load(JEDEC Method) (Note B) Operating Junction and Storage Temperature Range NOTES: A. Mounted on 5.0mm2(.013mm thick) land areas. B. Measured on 8.3ms, single half sine-wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. SYMBOL PD IFSM TJ,TSTG VALUE 3 24 15 -55 to +150 UNITS Watts mW/ Amps
3EZ11 THRU 3EZ200
ELECTRICAL CHARACTERISTICS (TA=25 unless otherwise noted) VF=1.2 V max , IF=500 mA for all types
Type No. Nominal Zener Test (Note 1.) Voltage Vz @ IZT current Maximum Zener Impedance (Note 3.) IZT volts ZZT @ IZT ZZk @ IZK IZK mA (Note 2.)
Ohms Ohms mA
Leakage Current
IR A Max @ VR Volts
Maximum Zener Current IZM Madc 225 246 208 193 180 169 150 159 142 135 123 112 100 96 90 82 75 69 63 57 53 48 44 40 36 33 30 27 25 22 21 19 18 17 16 15 14 13
Surge Current @ TA = 25 ir - mA (Note 4.) 1.82 1.66 1.54 1.43 1.33 1.25 1.18 1.11 1.05 1 0.91 0.83 0.74 0.71 0.67 0.61 0.56 0.51 0.45 0.42 0.39 0.36 0.32 0.29 0.27 0.24 0.22 0.2 0.18 0.16 0.15 0.14 0.13 0.12 0.12 0.11 0.1 0.1
3EZ11 3EZ12 3EZ13 3EZ14 3EZ15 3EZ16 3EZ17 3EZ18 3EZ19 3EZ20 3EZ22 3EZ24 3EZ27 3EZ28 3EZ30 3EZ33 3EZ36 3EZ39 3EZ43 3EZ47 3EZ51 3EZ56 3EZ62 3EZ68 3EZ75 3EZ82 3EZ91 3EZ100 3EZ110 3EZ120 3EZ130 3EZ140 3EZ150 3EZ160 3EZ170 3EZ180 3EZ190 3EZ200
11 12 13 14 15 16 17 18 19 20 22 24 27 28 30 33 36 39 43 47 51 56 62 68 75 82 91 100 110 120 130 140 150 160 170 180 190 200
68 63 58 53 50 47 44 42 40 37 34 31 28 27 25 23 21 19 17 16 15 13 12 11 10 9.1 8.2 7.5 6.8 6.3 5.8 5.3 5 4.7 4.4 4.2 4 3.7
4 4.5 4.5 5 5.5 5.5 6 6 7 7 8 9 10 12 16 20 22 28 33 38 45 50 55 70 85 95 115 160 225 300 375 475 550 625 650 700 800 875
700 700 700 700 700 700 750 750 750 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 4000 4500 5000 5000 6000 6500 7000 7000 8000 8000
0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25
1 1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5
8.4 9.1 9.9 10.6 11.4 12.2 13 13.7 14.4 15.2 16.7 18.2 20.6 21 22.5 25.1 27.4 29.7 32.7 35.6 38.8 42.6 47.1 51.7 56 62.2 69.2 76 83.6 91.2 98.8 106.4 114 121.6 130.4 136.8 144.8 152
NOTES: 1. TOLERANCES - Suffix indicates 5% tolerance any other tolerance will be considered as a special device. 2. ZENER VOLTAGE (Vz) MEASUREMENT - guarantees the zener voltage when measured at 40 ms10ms from the diode body, and an ambient temperature of 25 ( 8 , -2 ). 3.ZENER IMPEDANCE (Zz) DERIVATION - The zener impedance is derived from the 60 cycle ac voltage, which results when an ac current having an rms falue equal to 10% of the dc zener current (IZT or IZK) is superimposed on IZT or IZK. 4. SURGE CURRENT (Ir) NON-REPETITIVE - The rating listed in the electrical characteristics table is maximum peak, non-repetitive, reverse surge current of 1/2 square wave or equivalent sine wave pulse of 1/120 second duration superimposed on the test current, IZT, per JEDEC standards, however, actual device capability is as described in Figure 3.
RATING AND CHARACTERISTICS CURVES 3EZ11 THRU 3EZ200
Fig. 2-TYPICAL THERMAL RESPONSE L
Fig. 3-MAXIMUM SURGE POWER
Fig. 4-TYPICAL REVERSE LEAKAGE
APPLICATION NOTE: Since the actual voltage available from a given zener diode is temperature dependent, it is necessary to determine junction temperature under any set of operating conditions in order to calculate its value. The following procedure is recommended: Lead Temperature, TL, should be determined from: TL =
LA LAPD
The temperature of the lead can also be measured using a thermocouple placed on the lead as close as possible to the tie point. The thermal mass connected to the tie point is normally large enough so that it will not significantly respond to heat surges generated in the diode as a result of pulsed operation once steady-state conditions are achieved. Using the measured value of TL, the junction temperature may be determined by: TJ = TL + TJL TJL is the increase in junction temperature above the lead temperature and may be found from Figure 2 for a train of power pulses or from Figure 10 for dc power. TJL =
LAPD
+ TA
is the lead-to-ambient thermal resistance ( /W)
LA
and PD is the power dissipation. The value for
will
vary and depends on the device mounting method.
LA
is generally 30-40 /W for the various chips and
tie points in common use and for printed circuit board wiring.
For worst-case design, using expected limits of Iz, limits of PD and the extremes of TJ ( TJL ) may be estimated. Changes in voltage, Vz, can then be found from: V=
VZ VZ
excursions as low as possible. Data of Figure 2 should not be used to compute surge capability. Surge limitations are given in Figure 3. They are lower than would be expected by considering only junction temperature, as current crowding effects cause temperatures to be extremely high in small spots resulting in device degradation should the limits of Figure 3 be exceeded.
TJ
, the zener voltage temperature coefficient, is
found from Figures 5 and 6. Under high power-pulse operation, the zener voltage will vary with time and may also be affected significantly be the zener resistance. For best regulation, keep current
RATING AND CHARACTERISTICS CURVES 3EZ11 THRU 3EZ200 TEMPERATURE COEFFICIENT REAGES (90% of the Units are int he Ranges Indicated)
Fig. 5-UNITS TO 12 VOLTS
Fig. 6-UNITS 10 TO 200 VOLTS
Fig. 7-VZ = 3.9 THRU 10 VOLTS
Fig. 8- VZ = 12 THRU 82 VOLTS
Fig. 9-VZ = 100 THRU 200 VOLTS
Fig. 10-TYPICAL THERMAL RESISTANCE

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