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| 1N3821 thru 1N3830A 1 Watt Metal Case Zener Diodes SCOTTSDALE DIVISION DESCRIPTION This well established zener diode series for the 1N3821 thru 1N3830A JEDEC registration in the glass hermetic sealed DO-13 package provides a low voltage selection for 3.3 to 7.5 volts. It is also well suited for highreliability applications where it is available in JAN, JANTX, and JANTXV military qualifications. Higher voltages are also available in the 1N3016 thru 1N3051 series (6.8 V to 200 V) in the same package (see separate data sheet). Microsemi also offers numerous other Zener diode products for a variety of other packages including surface mount. APPEARANCE WWW . Microsemi .C OM DO-13 (DO-202AA) IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com FEATURES * * * * Zener Voltage Range: 3.3 V to 7.5 V Hermetically sealed DO-13 metal package Internally solder-bonded construction. Also available in JAN, JANTX, JANTXV qualifications per MIL-PRF19500/115 by adding the JAN, JANTX, or JANTXV prefixes to part numbers for desired level of screening, e.g. JANTX1N3821, JANTXV1N3051A, etc. Surface mount also available with 1N3821UR-1 thru 1N30330AUR-1 series on separate data sheet * * * * * * * APPLICATIONS / BENEFITS Regulates voltage over a broad operating current and temperature range Low voltage selection from 3.3 to 7.5 V Tight voltage tolerances available Low reverse (leakage) currents Nonsensitive to ESD Hermetically sealed metal package Inherently radiation hard as described in Microsemi MicroNote 050 * MAXIMUM RATINGS * Operating Junction and Storage Temperatures: -65oC to +175oC * THERMAL RESISTANCE: 50oC/W* junction to lead at 0.375 inches (10 mm) from body or 110 oC/W junction to ambient when leads are mounted on FR4 PC board with 4 mm2 copper pads (1 oz) and track width 1 mm, length 25 mm * DC Power Dissipation*: 1 Watt at TL < +125oC 3/8" (10 mm) from body or 1.0 Watts at TL < +65oC when mounted on FR4 PC board as described for thermal resistance above (also see Fig 1) * Forward Voltage @ 200 mA: 1.5 Volts. * Solder Temperatures: 260 o C for 10 s (maximum) * * MECHANICAL AND PACKAGING CASE: DO-13 (DO-202AA), welded, hermetically sealed metal and glass FINISH: All external surfaces are Tin-Lead (Pb/Sn) plated and solderable per MIL-STD-750 method 2026 POLARITY: Cathode connected case. WEIGHT: 1.4 grams. Tape & Reel option: Standard per EIA-296 (add "TR" suffix to part number) See package dimensions on last page * * * * 1N3821 - 1N3830A * For further mounting reference, thermal resistance from junction to metal case may be reduced to < 20 oC/W when mounting DO-13 metal case directly on heat sink. Copyright 2003 11-06-2003 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 1N3821 thru 1N3830A 1 Watt Metal Case Zener Diodes SCOTTSDALE DIVISION *ELECTRICAL CHARACTERISTICS @ 25oC JEDEC TYPE NUMBER 1N3821 1N3821A 1N3822 1N3822A 1N3823 1N3823A 1N3824 1N3824A 1N3825 1N3825A 1N3826 1N3826A 1N3827 1N3827A 1N3828 1N3828A 1N3829 1N3829A 1N3830 1N3830A NOTES: 1. 2. NOMINAL ZENER VOLTAGE VZ @ IZT (Note 1) Volts 3.3 3.3 3.6 3.6 3.9 3.9 4.3 4.3 4.7 4.7 5.1 5.1 5.6 5.6 6.2 6.2 6.8 6.8 7.5 7.5 ZENER TEST CURRENT IZT mA 76 76 69 69 64 64 58 58 53 53 49 49 45 45 41 41 37 37 34 34 MAXIMUM ZENER IMPEDANCE (Note 2) ZZK @ IZK = 1mA ZZT @ IZT OHMS OHMS 10 400 10 400 10 400 10 400 9 400 9 400 9 400 9 400 8 500 8 500 7 550 7 550 5 600 5 600 2 700 2 700 1.5 500 1.5 500 1.5 250 1.5 250 MAXIMUM ZENER CURRENT IZM (Note 3) mA 276 276 252 252 238 238 213 213 194 194 178 178 162 162 146 146 133 133 121 121 MAXIMUM REVERSE LEAKAGE CURRENT @ VR IR A Volts 100 1 100 1 100 1 100 1 50 1 50 1 10 1 10 1 10 1 10 1 10 1 10 1 10 2 10 2 10 3 10 3 10 3 10 3 10 3 10 3 TYPICAL TEMP. COEFF. OF ZENER VOLTAGE VZ o %/ C -.066 -.066 -.058 -.058 -.046 -.046 -.033 -.033 -.015 -.015 +/-.010 +/-.010 +.030 +.030 +.049 +.049 +.053 +.053 +.057 +.057 WWW . Microsemi .C OM *JEDEC Registered Data. The JEDEC type numbers shown with suffix A have a standard tolerance of +/-5% on the nominal zener voltage. VZ measured o with device in thermal equilibrium in 25 C still air and mounted in test clips, 3/4" from unit body. if tighter tolerance on VZ is required, consult factory. The zener impedance is derived when a 60 cycle 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. See MicroNote 202 for variation in dynamic impedance with different zener currents. Allowance has been made for the increase in VZ due to ZZ and for the increase in junction temperature as the unit approaches thermal equilibrium at the power dissipation of 1 watt. 3. GRAPHS Rated Power Dissipation (W) TL 1N3821 - 1N3830A TA TL - Lead Temperature ( C) 3/8" from body or TA on FR4 PC Board o FIGURE 2 Temperature Coeff. vs. Zener Voltage FIGURE 1 Power Derating Copyright 2003 11-06-2003 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 1N3821 thru 1N3830A 1 Watt Metal Case Zener Diodes SCOTTSDALE DIVISION WWW . Microsemi .C OM FIGURE 4 Typical Capacitance vs. Reverse Voltage for 1-Watt Zeners PACKAGE DIMENSIONS 1N3821 - 1N3830A DO-13 Copyright 2003 11-06-2003 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 |
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