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| SMA5921 THRU SMA5945 Elektronische Bauelemente RoHS Compliant Product A suffix of "-C" specifies halogen & lead-free VOLTAGE 6.8V ~ 68V 1.5 Watts Surface Mount Zener Diode FEATURES SMA . . . . . For surface mounted applications 1.5 W power dissipation Low reverse current Ideally suited for automated assembly processes Epitaxial construction Dimensions in Dimensions in Inches 0.049 0.157 0.098 0.078 0.002 0.188 0.030 0.006 0.065 0.181 0.114 0.096 0.008 0.208 0.060 0.012 . Case: Molded plastic . Epoxy: UL 94V-0 rate flame retardant . Metallurgically bonded construction . Polarity: Color band denotes cathode end . Mounting position: Any . Weight: 0.064 grams MECHANICAL DATA A B D C A B Millimeters 1.25 3.99 2.50 1.98 0.051 4.78 0.76 0.152 1.65 4.60 2.90 2.44 0.203 5.28 1.52 0.305 H C D E F G H E G F MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25 C ambient temperature unless otherwise specified. O Electrical Characteristics Power Dissipation (Note 1) Half sine-wave superimposed on rated load JEDEC method (Note 2) Symbol PD Value 1.5 Unit W IFSM 10 A Operating junction and Storage Temperature Note: (1) Mounted on 5.0mm2(.013mm thick) land areas. TJ, TSTG -55 to +155 O C (2) Measurd on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2007 Rev. D Page 1 of 4 SMA5921 THRU SMA5945 Elektronische Bauelemente VOLTAGE 6.8V ~ 68V 1.5 Watts Surface Mount Zener Diode Electrical Characteristic (Ta=25 C) Part No. SMA5921B SMA5922B SMA5923B SMA5924B SMA5925B SMA5926B SMA5927B SMA5928B SMA5929B SMA5930B SMA5931B SMA5932B SMA5933B SMA5934B SMA5935B SMA5936B SMA5937B SMA5938B SMA5939B SMA5940B SMA5941B SMA5942B SMA5943B SMA5944B SMA5945B o Vz (V) 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 IzT ( mA ) 55.1 50.0 45.7 41.2 37.5 34.1 31.2 28.8 25.0 23.4 20.8 18.7 17.0 15.6 13.9 12.5 11.4 10.4 9.6 8.7 8.0 7.3 6.7 6.0 5.5 ZZT (Ohm) 2.5 3.0 3.5 4.0 4.5 5.5 6.5 7.0 9.0 10 12 14 17.5 19 23 26 33 38 45 53 67 70 86 100 120 ZZK (Ohm) 200 400 400 500 500 550 550 550 600 600 650 650 650 700 700 750 800 850 900 950 1000 1100 1300 1500 1700 IZK ( mA ) 1.0 0.5 0.5 0.5 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 IR(uA) Max. VR(V) 2.5 2.5 2.5 2.5 2.5 2.5 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 5.2 6.0 6.5 7.0 8.0 8.4 9.1 9.9 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 29.7 32.7 35.8 38.8 42.6 47.1 51.7 Surge Current ( mA ) 221 200 183 165 150 136 125 115 100 94 83 75 68 63 56 50 45 42 38 35 32 29 27 24 22 Suffix "B" for 5% tolerance. http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2007 Rev. D Page 2 of 4 SMA5921 THRU SMA5945 Elektronische Bauelemente RATING AND CHARACTERISTIC CURVES FIG 1. STEADY STATE POWERDERATING PD, MAXIMUM POWER DISSIPATION (Watts) VZ, TEMPERATURE COEFFICIENT (mV/C) VOLTAGE 6.8V ~ 68V 1.5 Watts Surface Mount Zener Diode FIG 2. ZENER VOLTAGE-TO 12 VOLTS 8 6 4 2 0 -2 -4 3 VZ@IZT 5 4 1.5 1.0 0.5 0 0 25 50 75 100 125 150 175 4 5 6 7 8 9 10 11 12 TL,LEADTEMPERATURE(C) VZ,ZENERVOLTAGE(VOLTS) FIG 3. ZENER VOLTAGE-10 TO 12 VOLTS FIG 4. EFFECT OF ZENER CURRENT VZ, TEMPERATURE COEFFICIENT (mV/C) 120 100 80 60 40 20 0 VZ@IZT 1000 ZZ, DYNAMIC IMPEDANCE (OHMS) TJ - 25C IZ(ms) = 0.1 IZ(dc) VZ = 150V 100 91V 62V 10 22V 12V 0 20 40 60 80 100 120 140 160 180 200 1 0.5 1 1.0 100 6.8V 100 VZ, ZENERVOLTAGE(VOLTS) IZ , ZENER TEST CURRENT (mA) http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2007 Rev. D Page 3 of 4 SMA5921 THRU SMA5945 Elektronische Bauelemente VOLTAGE 6.8V ~ 68V 1.5 Watts Surface Mount Zener Diode 1K PPK, PEAK SURGE POWER (Watts) ZZ, DYNAMIC IMPEDANCE (ohms) 200 100 70 50 30 20 Iz(dc) =1mA 500 300 200 100 50 30 20 10 0.1 0.2 0.3 5 RECTANGULAR NONREPETITIVE WAVEFORM TJ = 25 C PRIOR TO INITIAL PULSE O 10mA 10 7 5 3 2 20mA 7 10 20 30 Iz(ms) = 0.1Iz(dc) 50 70 100 5 1 235 0 20 50 100 VZ, ZENER VOLTAGE (VOLTS) PW, PULSE WIDTH (ms) Fig 5. VZ = 6.8 THRU 10 VOLTS Fig 6.VZ=12 THRU 82 VOLTS 100 100 50 30 20 10 5 3 2 1 0.5 0.3 0.2 0.1 0 1 2 3 4 5 IZ, ZENER CURRENT (mA) 10 5 3 2 1 0.5 0.3 0.2 0.1 6 7 8 9 10 IZ, ZENER CURRENT (mA) 50 30 20 0 10 20 30 40 50 60 70 80 90 100 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 01-Jun-2007 Rev. D Page 4 of 4 |
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