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| IN5518BUR-1 thru 1N5546BUR-1 (or MLL5518B-1 thru MLL5546B-1) SCOTTSDALE DIVISION Low Voltage Surface Mount 500 mW Avalanche Diodes DESCRIPTION The 1N5518BUR-1 thru 1N5546BUR-1 series of 0.5 watt glass surface mount Zener voltage regulators provides a selection from 3.3 to 33 volts in standard 5% tolerances as well as tighter tolerances identified by different suffix letters on the part number. These have an internal-metallurgical-bond option as identified by the "-1" suffix. This internally bonded Zener package construction is also in JAN, JANTX, and JANTXV military qualifications. Microsemi also offers numerous other Zener products to meet higher and lower power applications. APPEARANCE WWW . Microsemi .C OM DO-213AA IMPORTANT: For the most current data, consult MICROSEMI's website: http://www.microsemi.com FEATURES * * * Surface mount equivalent to JEDEC registered 1N5518 thru 1N5546 series Internal metallurgical bond with the "-1" suffix Also available in JAN, JANTX, and JANTXV qualifications per MIL-PRF-19500/437 by adding the JAN, JANTX, or JANTXV prefixes to part numbers for desired level of screening; (e.g. JANTX1N4099UR-1, JANTXV1N4109CUR-1, etc.) Nonbonded types also available without the "-1" suffix for both the axial and surface mount packages DO-7 or DO-35 glass body axial-leaded Zener equivalents also available per JEDEC registration with part numbers 1N5518 thru 1N5546 on separate data sheets * * * * APPLICATIONS / BENEFITS Regulates voltage over a broad operating current and temperature range Extensive selection from 3.3 to 33 V Standard voltage tolerances are plus/minus 5% with a "B" suffix, e.g. 1N5518BUR-1, etc. Tight tolerances available in plus or minus 2% or 1% with C or D suffix respectively, e.g. 1N5518CUR-1, 1N5518DUR-1, etc. Hermetically sealed surface mount package Nonsensitive to ESD per MIL-STD-750 Method 1020 Minimal capacitance (see Figure 3) Inherently radiation hard as described in Microsemi MicroNote 050 * * * * * * MAXIMUM RATINGS * * Operating and Storage temperature: -65 C to +175C Thermal Resistance: 100 C/W junction to end cap, or 250C/W junction to ambient when mounted on FR4 PC board (1 oz Cu) with recommended footprint (see last page) Steady-State Power: 0.5 watts at end cap temperature TEC < 125oC or at ambient TA < 50C when mounted on FR4 PC board as described for thermal resistance above (see Figure 2 for derating) Forward voltage @200 mA: 1.1 volts Solder Temperatures: 260 C for 10 s (max) MECHANICAL AND PACKAGING * * * CASE: Hermetically sealed glass DO-213AA (SOD80 or MLL34) MELF style package TERMINALS: End caps tin-lead plated solderable per MIL-STD-750, method 2026 POLARITY: Cathode indicated by band where diode is to be operated with the banded end positive with respect to the opposite end for Zener regulation MARKING: cathode band only TAPE & REEL option: Standard per EIA-481-1-A with 12 mm tape, 2000 per 7 inch reel or 5000 per 13 inch reel (add "TR" suffix to part number) WEIGHT: 0.04 grams See package dimensions on last page * 1N5518BUR - 1N5546BUR * * * * * * Copyright 2003 10-31-2003 REV B Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 1 IN5518BUR-1 thru 1N5546BUR-1 (or MLL5518B-1 thru MLL5546B-1) SCOTTSDALE DIVISION Low Voltage Surface Mount 500 mW Avalanche Diodes WWW . Microsemi .C OM ELECTRICAL CHARACTERISTICS JEDEC TYPE NUMBER (Note 1 and Note 7) NOMINAL ZENER VOLTAGE TEST CURRENT (TA = 25oC unless otherwise noted. Based on DC measurements at MAX. REVERSE CURRENT (Note 4) B-C-D SUFFIX MAXIMUM DC ZENER CURRENT (Note 5) mAdc 115 105 98 88 81 75 68 61 56 51 46 42 38 35 32 29 27 25 24 22 21 20 19 17 16 15 14 13 12 B-C-D SUFFIX MAX. NOISE DENSITY AT IZ = 250A REGULATION FACTOR (Note 6) LOW VZ CURRENT (Note 6) thermal equilibrium; VF = 1.1 Max @ IF = 200 mA for all types.) VZ @ IZT (Note 2) VOLTS IZT mAdc 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 MAX. ZENER IMPEDANCE B-C-D SUFFIX ZZT @ IZT (Note 3) OHMS 26 24 22 18 22 26 30 30 30 35 40 45 60 80 90 90 100 100 100 100 100 100 100 100 100 100 100 100 100 VZ IZL IR Adc 5.0 3.0 1.0 3.0 2.0 2.0 2.0 1.0 1.0 0.5 0.5 0.1 0.05 0.05 0.05 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 VR - VOLTS NON & ASUFFIX 0.90 0.90 0.90 1.0 1.5 2.0 3.0 4.5 5.5 6.0 6.5 7.0 8.0 9.0 9.5 10.5 11.5 12.5 13.0 14.0 15.0 16.0 17.0 18.0 20.0 21.0 23.0 24.0 28.0 B-C-D SUFFIX 1.0 1.0 1.0 1.5 2.0 2.5 3.5 5.0 6.2 6.8 7.5 8.2 9.1 9.9 10.8 11.7 12.6 13.5 14.4 15.3 16.2 17.1 18.0 19.8 21.6 22.4 25.2 27.0 29.7 IZM ND V/ Hz 0.5 0.5 0.5 0.5 0.5 0.5 1.0 1.0 1.0 2.0 4.0 4.0 4.0 5.0 10 15 20 20 20 20 20 20 20 20 20 20 20 20 20 VOLTS 0.90 0.90 0.85 0.75 0.60 0.65 0.30 0.20 0.10 0.05 0.05 0.05 0.10 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.20 0.25 0.30 0.35 0.40 0.45 0.50 mAdc 2.0 2.0 2.0 2.0 1.0 0.25 0.25 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 0.01 1N5518BUR-1 1N5519BUR-1 1N5520BUR-1 1N5521BUR-1 1N5522BUR-1 1N5523BUR-1 1N5524BUR-1 1N5525BUR-1 1N5526BUR-1 1N5527BUR-1 1N5528BUR-1 1N5529BUR-1 1N5530BUR-1 1N5531BUR-1 1N5532BUR-1 1N5533BUR-1 1N5534BUR-1 1N5535BUR-1 1N5536BUR-1 1N5537BUR-1 1N5538BUR-1 1N5539BUR-1 1N5540BUR-1 1N5541BUR-1 1N5542BUR-1 1N5543BUR-1 1N5544BUR-1 1N5545BUR-1 1N5546BUR-1 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 NOTES: 1. TOLERANCE AND VOLTAGE DESIGNATION - The JEDEC type numbers without a letter prior to the UR-1 suffix are +/-20% with guaranteed limits for only VZ, IR, and VF. Units with "A" prior to the UR-1 suffix are +/-10% with guaranteed limits for VZ, IR, and VF. Units with guaranteed limits for all six parameters are indicated by a B suffix for +/-5.0% units, C suffix for +/-2.0% and D suffix for +/-1.0% prior to the UR-1 suffix. 2. ZENER VOLTAGE (VZ) MEASUREMENT - o Nominal zener voltage is measured with the device junction in thermal equilibrium with ambient temperature of 25 C. 3. ZENER IMPEDANCE (ZZ) MEASUREMENT - The zener impedance is derived from the 60 Hz ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current (IZT) is superimposed on IZT. 4. REVERSE CURRENT (IR) - Reverse currents are guaranteed and are measured at VR as shown on the table. 5. MAXIMUM REGULATOR CURRENT (IZM) - The maximum current shown is as shown in MIL-PRF-19500/437. 6. MAXIMUM REGULATION FACTOR (VZ) - VZ is the maximum difference between VZ at IZT and VZ at IZL measured with the device junction in thermal equilibrium. 7. PART NUMBER - These may be ordered as either 1N5518BUR-1 thru 1N5546BUR-1 or as MLL5518B-1 thru MLL5546B-1 part numbers. For military types, use the 1NxxxUR-1 format and also include JAN, JANTX, or JANTXV prefix for desired screening level, e.g. JANTX1N5518BUR-1, JANTXV1N5532BUR-1, JANTXV1N5534CUR-1, JANTXV1N5545DUR-1, etc. 1N5518BUR - 1N5546BUR Copyright 2003 10-31-2003 REV B Microsemi Scottsdale Division 8700 E. Thomas Rd. PO Box 1390, Scottsdale, AZ 85252 USA, (480) 941-6300, Fax: (480) 947-1503 Page 2 IN5518BUR-1 thru 1N5546BUR-1 (or MLL5518B-1 thru MLL5546B-1) SCOTTSDALE DIVISION Low Voltage Surface Mount 500 mW Avalanche Diodes GRAPHS and CIRCUIT Pd Rated Power Dissipation (mW) Noise density, (ND) is specified in microvolt-rms per square-root-hertz. Actual measurement is performed using a 1 kHz to 3 kHz frequency bandpass filter at a constant Zener test o current (IZT) at 25 C ambient temperature. WWW . Microsemi .C OM TEC TA TEC, End Cap Temperature ( C) or TA Ambient temperature on FR4 PC board o FIGURE 1 Noise Density Measurement Circuit FIGURE 2 Power Derating Curve Typical Capacitance in Picofarads (pf) Zener Voltage VZ FIGURE 4 Zener Diode Characteristics and Symbol Identification FIGURE 3 Capacitance vs. Zener Voltage (Typical) 1N5518BUR - 1N5546BUR PACKAGE DIMENSIONS DIM A B C INCHES MIN MAX 0.063 0.067 0.130 0.146 0.016 0.022 MILLIMETERS MIN MAX 1.60 1.70 3.30 3.70 0.41 0.55 A B C PAD LAYOUT INCHES .200 .055 .080 mm 5.08 1.40 2.03 Copyright 2003 10-31-2003 REV B 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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