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1N2804 thru 1N2846B and 1N4557 thru 1N4564B 50 Watt Zener Diodes
SCOTTSDALE DIVISION
DESCRIPTION These high power 50 W Zener diodes represented by the JEDEC registered 1N2804 thru 1N2846B and 1N4557 thru 1N4564B series provide voltage regulation in a selection over a 3.9 V to 200 V broad range of voltages. They may be operated up to 50 W with adequate mounting and heat sinking with their low thermal resistance. These Zeners are also available in JAN, JANTX, JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet higher and lower power applications.
IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com
APPEARANCE
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TO-3 (TO-204AD)
FEATURES
* * * * * JEDEC registered 1N2804 thru 1N2846B and 1N4557 thru 1N4564B Internal solder bond construction Hermetically sealed (welded) Zener Voltage 3.9V to 200V. Also available in JAN, JANTX, and JANTXV qualifications per MIL-PRF-19500/114 by adding the JAN, JANTX, or JANTXV prefixes to part numbers for desired level of screening; (e.g. JANTX1N2804B, etc. Standard polarity is anode to case Reverse polarity with cathode to case by designating R suffix in part number, e.g. 1N2804RB, etc. Consult factory for surface mount equivalents * *
APPLICATIONS / BENEFITS
Regulates voltage over a broad operating current and temperature range Standard voltage tolerances are +/- 5% with B suffix, +/-10% with an A suffix, and +/-20% with no suffix Consult factory for +/-2% or +/-1% with a C or D suffix respectively Reverse polarity available Nonsensitive to ESD per MIL-STD-750 Method 1020 Inherently radiation hard as described in Microsemi MicroNote 050
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* * *
MAXIMUM RATINGS
* * * * * * * Junction Temperatures: -65 C to +175 C Storage Temperatures: -65oC to +200oC DC Power Dissipation: 50 watts at TC < 75 oC Power Derating: 0.5W/oC above 75oC Forward Voltage @ 10 A: 1.5 Volts THERMAL RESISTANCE: 2.0 oC/W maximum o junction to base (1.5 C/W typical) Solder temperatures: 260 oC for 10 s (max)
o o
MECHANICAL AND PACKAGING
* * * CASE: Industry Standard TO-3 (TO-204AD), hermetically sealed, 0.052 inch diameter pins. FINISH: All external surfaces are corrosion resistant and terminal solderable. POLARITY: Standard Polarity units are connected anode to case. Reverse polarity (cathode to case) is indicated by Suffix R in part number WEIGHT: 15 grams. MOUNTING HARDWARE: Consult factory for optional insulator and sheet metal screws See package dimensions on last page
* * *
1N2804 - 46B & 1N4557B - 64B
Copyright 2003 11-12-2003 REV A
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 1
1N2804 thru 1N2846B and 1N4557 thru 1N4564B 50 Watt Zener Diodes
SCOTTSDALE DIVISION
*ELECTRICAL CHARACTERISTICS @ 25oC
JEDEC TYPE NO. (Note 1) NOMINAL ZENER VOLTAGE ZENER TEST CURRENT MAX. ZENER IMPEDANCE (Note 3) MAX. DC ZENER CURRENT o (IZM @ 75 C Case Temp. (Note 4) mA 11,900 10,650 9,700 8,900 8,100 7,300 6,650 6,050 7,400 6,600 5,800 5,300 4,800 4,300 4,000 3,700 3,400 3,100 2,950 2,750 2,550 2,450 2,350 2,100 1,950 1,850 1,650 1,550 1,450 1,300 1,175 1,075 1,030 980 935 925 825 735 670 600 550 470 450 430 410 375 345 300 285 250 220 TYPICAL ZENER VOLTAGE Temp. Coeff. MAXIMUM LEAKAGE CURRENT**
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VZ @ IZT
(Note 2) Volts 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 6.8 7.5 8.2 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 30 33 36 39 43 45 47 50 51 56 62 68 75 82 91 100 105 110 120 130 150 160 180 200 1N4557B 1N4558B 1N4559B 1N4560B 1N4561B 1N4562B 1N4563B 1N4564B 1N2804B 1N2805B 1N2806B 1N2807B 1N2808B 1N2809B 1N2810B 1N2811B 1N2812B 1N2813B 1N2814B 1N2815B 1N2816B 1N2817B 1N2818B 1N2819B 1N2820B 1N2821B 1N2822B 1N2823B 1N2824B 1N2825B 1N2826B 1N2827B 1N2828B 1N2829B 1N2830B 1N2831B 1N2832B 1N2833B 1N2834B 1N2835B 1N2836B 1N2837B 1N2838B 1N2839B 1N2840B 1N2841B 1N2842B 1N2843B 1N2844B 1N2845B 1N2846B
(IZT)
mA 3200 2900 2650 2450 2250 2000 1850 1650 1850 1700 1500 1370 1200 1100 1000 960 890 830 780 740 700 660 630 570 520 500 460 420 380 350 320 290 280 270 250 245 220 200 180 170 150 140 120 120 110 100 95 85 80 68 65
IR @ VR
A 150 150 100 20 20 20 10 10 150 100 50 25 25 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 V 0.5 0.5 1 1 1 2 2 3 4.5 5 5.4 6.1 6.7 8.4 9.1 9.9 10.6 11.4 12.2 13.0 13.7 14.4 15.2 16.7 18.2 19 20.6 22.8 25.1 27.4 29.7 32.7 34.2 35.8 38 38.8 42.6 47.1 51.7 56 62.2 69.2 76 79.8 83.6 91.2 98.8 114.0 121.6 136.8 152.0
ZZT @ IZT
OHMS 0.16 0.16 0.12 0.12 0.12 0.14 0.16 0.24 0.2 0.3 0.4 0.5 0.6 0.8 1.0 1.1 1.2 1.4 1.6 1.8 2.0 2.2 2.4 2.5 2.6 2.7 2.8 3.0 3.2 3.5 4.0 4.5 4.5 5.0 5.0 5.2 6 7 8 9 11 15 20 25 30 40 50 75 80 90 100
ZZK @ 5mA (IZK)
OHMS 400 500 600 650 900 1000 200 100 70 70 70 70 80 80 80 80 80 80 80 80 80 80 80 80 80 90 90 90 90 90 90 90 100 100 100 100 110 120 140 150 160 180 200 210 220 240 275 400 450 525 600
VZ o %/ C
-0.046 -0.033 -0.015 +/-0.010 +0.03 +0.049 +0.053 +0.057 .040 .045 .048 .050 .055 .060 .065 .065 .070 .070 .070 .075 .075 .075 .075 .080 .080 .080 .085 .085 .085 .085 .090 .090 .090 .090 .090 .090 .090 .090 .090 .090 .090 .090 .090 .095 .095 .095 .095 .095 .095 .095 .100
1N2804 - 46B & 1N4557B - 64B
*JEDEC Registered Data. **Not JEDEC Data. Have JAN, JANTX and JANTXV Qualifications to MIL-S-19500/114.
See further notes on following page
Copyright 2003 11-12-2003 REV A
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 2
1N2804 thru 1N2846B and 1N4557 thru 1N4564B 50 Watt Zener Diodes
SCOTTSDALE DIVISION
NOTES: 1.
2. 3.
4.
The JEDEC type numbers shown (B suffix) have a +/- 5% tolerance on nominal zener voltage. The suffix A is used to identify +/-10% tolerance; no suffix indicates +/-20% tolerance. If tighter tolerance is required, consult factory. Standard polarity units have the anode connected to the case. Reverse polarity (cathode-to-case) units are available and are indicated by suffix R in the part number. o Zener Voltage (VZ) is measured with junction in thermal equilibrium with 30 C base temperature. The test currents (IZT) have been selected o so that at nominal voltages the dissipation is a constant 12.5 watts. This results in a nominal junction temperature rise of 18.75 C . The zener impedance is derived from the 60 cycle ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current (IZT or IZK) is superimposed on IZT or IZK. Zener impedance is measured at 2 points to ensure a sharp knee on the breakdown curve and to eliminate unstable units. A curve showing the variation of zener impedance vs. zener current for six representative types is shown in Figure 3. Also see MicroNote 202 for further information. The values of IZM are calculated for a +/-5% tolerance on nominal zener voltage. Allowance has been made for the rise in zener voltage above VZT that results from zener impedance and the increase in junction temperature as power dissipation approaches 50 watts. In the case of individual diodes, IZM is that value of current that results in a dissipation of 50 watts.
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GRAPHS AND CIRCUITS
Rated Power Dissipation - Watts Typical circuit connections for anode-to-case and cathode-to-case polarities (standard and reverse polarities, respectively).
Case
Temperature C
o
FIGURE 2 POWER DERATING CURVE
1N2804 - 46B & 1N4557B - 64B
FIGURE GROUP 3 TYPICAL ZENER IMPEDANCE vs. ZENER CURRENT FOR TYPES SHOWN
Copyright 2003 11-12-2003 REV A
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 3
1N2804 thru 1N2846B and 1N4557 thru 1N4564B 50 Watt Zener Diodes
SCOTTSDALE DIVISION
WWW . Microsemi .C OM
PACKAGE DIMENSIONS
1N2804 - 46B & 1N4557B - 64B
Copyright 2003 11-12-2003 REV A
Microsemi
Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503
Page 4
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