SMA4735 THRU SMA4764 VOLTAGE 6 . 2 V ~ 100V Elektronische Bauelemente 1.0 Watts Surface Mount Zener Diode RoHS Compliant Product A suffix of "-C" specifies halogen & lead-free SMA ●FEATURES . For surface mounted applications . 1.0 W power dissipation . Low reverse current . Ideally suited for automated assembly processes . Epitaxial construction Dimensions in C A ●MECHANICAL DATA B . 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 Millimeters H D E G F Dimensions in Inches A 1.25 1.65 0.049 0.065 B 3.99 4.60 0.157 0.181 C 2.50 2.90 0.098 0.114 D 1.98 2.44 0.078 0.096 E 0.051 0.203 0.002 0.008 F G 4.78 5.28 0.188 0.208 0.76 1.52 0.030 0.060 H 0.152 0.305 0.006 0.012 ●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) Operating junction and Storage Temperature Symbol Value Unit PD 1.0 W IFSM 10 A TJ, TSTG -55 to +155 C O Note: (1) Mounted on 5.0mm2(.013mm thick) land areas. (2) Measurd on 8.3ms, single half-sine wave or equivalent square wave, duty cycle = 4 pulses per minute maximum. http://www.SeCoSGmbH.com/ 05-Nov-2007 Rev. C Any changing of specification will not be informed individual Page 1 of 4 SMA4735 THRU SMA4764 VOLTAGE 6 . 2V ~ 100V Elektronische Bauelemente 1.0 Watts Surface Mount Zener Diode Electrical Characteristic (Ta=25oC) Surge Current ( mA ) Vz (V) IzT ( mA ) ZZT (Ohm) ZZK (Ohm) IZK ( mA ) SMA4735 6.2 41 2.0 700 1.0 50.0 3.0 730 SMA4736 6.8 37 3.5 700 1.0 10.0 4.0 660 SMA4737 7.5 34 4.0 700 0.5 10.0 5.0 605 SMA4738 8.2 31 4.5 700 0.5 10.0 6.0 550 SMA4739 9.1 28 5.0 700 0.5 10.0 7.0 500 SMA4740 10 25 7.0 700 0.25 10.0 7.6 454 SMA4741 11 23 8.0 700 0.25 5.0 8.4 414 SMA4742 12 21 9.0 700 0.25 5.0 9.1 380 SMA4743 13 19 10 700 0.25 5.0 9.9 344 SMA4744 15 17 14 700 0.25 5.0 11.4 304 SMA4745 16 15.5 16 700 0.25 5.0 12.2 285 SMA4746 18 14 20 750 0.25 5.0 13.7 250 SMA4747 20 12.5 22 750 0.25 5.0 15.2 225 SMA4748 22 11.5 23 750 0.25 5.0 16.7 205 SMA4749 24 10.5 25 750 0.25 5.0 18.2 190 SMA4750 27 9.5 35 750 0.25 5.0 20.6 170 SMA4751 30 8.5 40 1000 0.25 5.0 22.8 150 SMA4752 33 7.5 45 1000 0.25 5.0 25.1 135 SMA4753 36 7 50 1000 0.25 5.0 27.4 125 SMA4754 39 6.5 60 1000 0.25 5.0 29.7 115 SMA4755 43 6 70 1500 0.25 5.0 32.7 110 SMA4756 47 5.5 80 1500 0.25 5.0 35.8 95 SMA4757 51 5 95 1500 0.25 5.0 38.8 90 SMA4758 56 4.5 110 2000 0.25 5.0 42.6 80 SMA4759 62 4 125 2000 0.25 5.0 47.1 70 SMA4760 68 3.7 150 2000 0.25 5.0 51.7 65 SMA4761 75 3.3 175 2000 0.25 5.0 56.0 60 SMA4762 82 3 200 3000 0.25 5.0 62.2 55 SMA4763 91 2.8 250 3000 0.25 5.0 69.2 50 SMA4764 100 2.5 350 3000 0.25 5.0 76.0 45 Part No. IR(uA) Max. VR(V) Tolerance 5% http://www.SeCoSGmbH.com/ 05-Nov-2007 Rev. C Any changing of specification will not be informed individual Page 2 of 4 SMA4735 THRU SMA4764 VOLTAGE 6 . 2V ~ 100V Elektronische Bauelemente 1.0 Watts Surface Mount Zener Diode PD MAXMUM POWER DISSIPATION (WATTS) FIG 1. POWER TEMPERATURE DERATING CURVE 1.25 1.0 L = LEAD LENTGH TO HEAT SINK 0.75 0.5 0.25 0 0 20 40 60 80 100 120 140 160 180 200 TL, LEAD TEMPERATIRE +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, TEMPERATUREo COEFFICIENT (mV / C) VZ, TEMPERATUREo COEFFICIENT (mV / C) FIG 2. TEMPERATURE COFFICIENTS o o (-55 C TO +150 C TEMPERATURE RANGE; 90%OF THE UNITS ARE IN RANGES INDICATED.) 100 70 50 30 20 VZ@IZT 10 RANGE 7.0 5.0 3.0 2.0 1.0 10 20 150 125 100 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 L, LEAD LENGTH TO HEAT SINK (INCKES) http://www.SeCoSGmbH.com/ 05-Nov-2007 Rev. C 70 100 FIG 4. EFFECT OF ZENER CURRENT VZ, TEMPERATUREo COEFFICIENT (mV / C) JL, JUNCYION TO LEAD THERMAL o ( C/W) 175 50 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) FIG 3. TYPICAL THERMAL RESISTANCE VERSUS LEAD LENGTH 30 NOTE: BELOW 3 VOLTS AND ABOVE 8 CHANGES IN ZENER CURRENT DO AFFECT TRMPERATURE +6 +4 20mA +2 0 0.01mA -0.2 1.0mA Vz@IZTo TA = 25 C -0.4 3 4 5 6 7 8 VZ, ZENER VOLTAGE (VOLTS) Any changing of specification will not be informed individual Page 3 of 4 SMA4735 THRU SMA4764 VOLTAGE 6.2V ~ 100V Elektronische Bauelemente 1.0 Watts Surface Mount Zener Diode Ppk, PEAK SURGE POWER (watters) FIG 5. MAXIMUM SURGE POWER 100 70 50 11V-91V NON-REPETITIVE 5% DUTY CYCLE 30 20 10 7.0 5.0 10% DUTY CYCLE 3.0 20% DUTY CYCLE 2.0 0.8V-10V NON-REPETITIVE RECTANGULAR WAVEFORM TJ = 25oC PRIOR TO INITIAL PULSE 1.0 0.01 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 1000 o TJ = 25 C Iz(ms)=0.1z(dc) f = 60Hz 500 200 100 47V 50 27V 20 10 5.0 2.0 1.0 0.8V 0.1 0.2 0.5 1.0 2.0 5.0 10 20 Iz, ZENEER CURRENT (mA) http://www.SeCoSGmbH.com/ 05-Nov-2007 Rev. C 50 100 FIG 7. EFFECT OF ZENER VOLTAGE ON ZENER IMPEDANCE Zz,DYNAMIC IMPEDANCE (ohms) Zz,DYNAMIC IMPEDANCE (ohms) FIG 6. EFFECT OF ZENER CURRENT ON ZENER IMPEDANCE 1000 700 500 o TJ = 25 C Iz(ms)=0.1z(dc) f = 60Hz Iz = 1.0mA 200 100 70 50 5.0mA 20mA 20 10 7.0 5.0 2.0 1.0 1.0 2.0 3.0 5.0 7.0 10 20 30 50 70 100 Iz, ZENEER CURRENT (mA) Any changing of specification will not be informed individual Page 4 of 4