SMA4746

SMA4735 THRU SMA4764 Elektronische Bauelemente RoHS Compliant Product A suffix of "-C" specifies halogen & lead-free VOLTAGE 6 . 2 V ~ 100V 1.0 Watts Surface Mount Zener Diode SMA ●FEATURES . For surface mounted applications . 1.0 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 A C A 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 ●MECHANICAL DATA . 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 D B B H C D E F G H E G F ●MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS Rating 25℃ ambient temperature unless otherwise specified. Electrical Characteristics Power Dissipation (Note 1) Half sine-wave superimposed on rated load JEDEC method (Note 2) Symbol PD IFSM Value 1.0 10 Unit W 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 05-Nov-2007 Rev. C Page 1 of 4 SMA4735 THRU SMA4764 Elektronische Bauelemente VOLTAGE 6 . 2 V ~ 100V 1.0 Watts Surface Mount Zener Diode Electrical Characteristic (Ta=25oC) Part No. SMA4735 SMA4736 SMA4737 SMA4738 SMA4739 SMA4740 SMA4741 SMA4742 SMA4743 SMA4744 SMA4745 SMA4746 SMA4747 SMA4748 SMA4749 SMA4750 SMA4751 SMA4752 SMA4753 SMA4754 SMA4755 SMA4756 SMA4757 SMA4758 SMA4759 SMA4760 SMA4761 SMA4762 SMA4763 SMA4764 Vz (V) 6.2 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 75 82 91 100 IzT ( mA ) 41 37 34 31 28 25 23 21 19 17 15.5 14 12.5 11.5 10.5 9.5 8.5 7.5 7 6.5 6 5.5 5 4.5 4 3.7 3.3 3 2.8 2.5 ZZT (Ohm) 2.0 3.5 4.0 4.5 5.0 7.0 8.0 9.0 10 14 16 20 22 23 25 35 40 45 50 60 70 80 95 110 125 150 175 200 250 350 ZZK (Ohm) 700 700 700 700 700 700 700 700 700 700 700 750 750 750 750 750 1000 1000 1000 1000 1500 1500 1500 2000 2000 2000 2000 3000 3000 3000 IZK ( mA ) 1.0 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 0.25 0.25 0.25 0.25 IR(uA) Max. VR(V) 50.0 10.0 10.0 10.0 10.0 10.0 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 3.0 4.0 5.0 6.0 7.0 7.6 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 56.0 62.2 69.2 76.0 Surge Current ( mA ) 730 660 605 550 500 454 414 380 344 304 285 250 225 205 190 170 150 135 125 115 110 95 90 80 70 65 60 55 50 45 Tolerance 5% http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 05-Nov-2007 Rev. C Page 2 of 4 SMA4735 THRU SMA4764 Elektronische Bauelemente VOLTAGE 6 . 2V ~ 100V 1.0 Watts Surface Mount Zener Diode FIG 1. POWER TEMPERATURE DERATING CURVE PD MAXMUM POWER DISSIPATION (WATTS) 1.25 1.0 0.75 0.5 0.25 0 0 20 40 60 80 100 120 140 160 180 200 L = LEAD LENTGH TO HEAT SINK TL, LEAD TEMPERATIRE FIG 2. TEMPERATURE COFFICIENTS o o (-55 C TO +150 C TEMPERATURE RANGE; 90%OF THE UNITS ARE IN RANGES INDICATED.) VZ, TEMPERATURE COEFFICIENT o (mV / C) VZ, TEMPERATURE COEFFICIENT o (mV / C) 100 70 50 30 20 10 7.0 5.0 3.0 2.0 1.0 10 20 30 50 70 100 VZ@IZT RANGE +12 +10 +8.0 +6.0 +4.0 +2.0 0 -2.0 -4.0 VZ@IZT RANGE 2 3 4 5 6 7 8 9 10 11 12 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) FIG 3. TYPICAL THERMAL RESISTANCE VERSUS LEAD LENGTH JL, JUNCYION TO LEAD THERMAL o ( C/W) 175 150 125 100 75 50 25 0 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 FIG 4. EFFECT OF ZENER CURRENT VZ, TEMPERATURE COEFFICIENT o (mV / C) +6 +4 +2 0 -0.2 -0.4 3 NOTE: BELOW 3 VOLTS AND ABOVE 8 CHANGES IN ZENER CURRENT DO AFFECT TRMPERATURE 20mA 0.01mA 1.0mA 4 5 6 7 Vz@IZT o TA = 25 C 8 L, LEAD LENGTH TO HEAT SINK (INCKES) VZ, ZENER VOLTAGE (VOLTS) http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 05-Nov-2007 Rev. C Page 3 of 4 SMA4735 THRU SMA4764 Elektronische Bauelemente VOLTAGE 6.2V ~ 100V 1.0 Watts Surface Mount Zener Diode FIG 5. MAXIMUM SURGE POWER Ppk, PEAK SURGE POWER (watters) 100 70 50 30 20 10 7.0 5.0 3.0 2.0 1.0 0.01 11V-91V NON-REPETITIVE 5% DUTY CYCLE 0.8V-10V NON-REPETITIVE RECTANGULAR WAVEFORM TJ = 25oC PRIOR TO INITIAL PULSE 10% DUTY CYCLE 20% DUTY CYCLE 0.02 0.05 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 200 500 PW, PULSE WIDTH This graphr epresents 90 percentile date point For worse-case design characteristics, multiply surge power by 2/3 FIG 6. EFFECT OF ZENER CURRENT ON ZENER IMPEDANCE FIG 7. EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE Zz,DYNAMIC IMPEDANCE (ohms) Zz,DYNAMIC IMPEDANCE (ohms) 1000 500 200 100 50 20 10 5.0 2.0 1.0 47V 27V TJ = 25 C Iz(ms)=0.1z(dc) f = 60Hz o 1000 700 500 200 100 70 50 20 10 7.0 5.0 2.0 1.0 Iz = 1.0mA 5.0mA 20mA TJ = 25 C Iz(ms)=0.1z(dc) f = 60Hz o 0.8V 0.1 0.2 0.5 1.0 2.0 5.0 10 20 50 100 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 Iz, ZENEER CURRENT (mA) Iz, ZENEER CURRENT (mA) http://www.SeCoSGmbH.com/ Any changing of specification will not be informed individual 05-Nov-2007 Rev. C Page 4 of 4