technical specifications of surface mount zener diodes mmsz4735a thru MMSZ1200A rectifier specialists r dc components co., ltd. features * voltage range: 6.2v to 200v * low leakage* low inductance * high peak reverse power disspation * glass passivated junction * build-in strain relief notes : 1. tl =lead temperature at 3/8? (9.5mm) from body. 2. valid provided that leads are kept at ambient temperature at a distance of 10 mm form case. voltage range - 6.2 to 200 volts power - 1.0 watts dimensions in inches and (millimeters) sod-123 mechanical data * case: molded plastic * terminals:solder plated, solderable per mil-std-705, method 2026 * polarity: as marked * mounting position: any * weight: 0.008 gram approx. maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. symbol value units maximum power dissipation @tl=50oc (note 1) ptot 1.0 w peak pulse current with a 10/1000ms waveform vf 1.2 volts maximum thermal resistance junction to ambient air rqja 170 oc/w junction temperature range tj -55 to +175 oc storage temperature range tstg -55 to +175 oc fig. 1 - power temperature derating curve 1.2 1 0.8 0.60.4 0.2 0 50 100 150 ambient temperature, ta( oc) power dissipation, p d(w) fig. 2 - typical thermal resistance versus lead length junction to lead thermal resistance, ( oc/w) lead length to heat sink, (inches) 150 125 100 75 50 25 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 175 fig. 3 - temperature coefficients v.s. zener voltage 20 10 1 10 100 zener voltage, vz, (v) temperature coefficients, ,qvz (mv/0c) range .005 (0.12) .110(2.8) .098(2.5) .154(3.9).141(3.6) .016 (0.4) .071(1.8).055(1.4) min. max. .028(0.7).019(0.5) .008 (0.2) max. .053(1.4).037(1.0)
r dc components co., ltd. rating and characteristic curves (mmsz4735a thru MMSZ1200A) note: standard zener voltage tolerance 5% nominal zener voltage vz@izt zener test current izt ma maximum zener impedance zzt@izt zzk@izk ohms ohms izk ma maximum reverse leakage current ir @vr ua volts surge current @ta=25oc ir ma type maximum regulator current izm ma mmsz4735a 6.2 41.0 2.0 700 1.00 10.0 3.0 146.0 730 mmsz4736a 6.8 37.0 3.5 700 1.00 5.0 4.0 133.0 660 mmsz4737a 7.5 34.0 4.0 700 0.50 5.0 5.0 121.0 605 mmsz4738a 8.2 31.0 4.5 700 0.50 5.0 6.0 110.0 550 mmsz4739a 9.1 28.0 5.0 700 0.50 0.5 7.0 100.0 500 mmsz4740a 10.0 25.0 7.0 700 0.25 0.5 7.6 91.0 454 mmsz4741a 11.0 23.0 8.0 700 0.25 0.1 8.4 83.0 414 mmsz4742a 12.0 21.0 9.0 700 0.25 0.1 9.1 76.0 380 mmsz4743a 13.0 19.0 10 700 0.25 0.1 9.9 69.0 344 mmsz4744a 15.0 17.0 14 700 0.25 0.1 11.4 61.0 305 mmsz4745a 16.0 15.5 16 700 0.25 0.1 12.2 57.0 285 mmsz4746a 18.0 14.0 20 750 0.25 0.1 13.7 50.0 250 mmsz4747a 20.0 12.5 22 750 0.25 0.1 15.2 45.0 225 mmsz4748a 22.0 11.5 23 750 0.25 0.1 16.7 41.0 205 mmsz4749a 24.0 10.5 25 750 0.25 0.1 18.2 38.0 190 mmsz4750a 27.0 9.5 35 750 0.25 0.1 20.6 34.0 170 mmsz4751a 30.0 8.5 40 1000 0.25 0.1 22.8 30.0 150 mmsz4752a 33.0 7.5 45 1000 0.25 0.1 25.1 27.0 135 mmsz4753a 36.0 7.0 50 1000 0.25 0.1 27.4 25.0 125 mmsz4754a 39.0 6.5 60 1000 0.25 0.1 29.7 23.0 115 mmsz4755a 43.0 6.0 70 1500 0.25 0.1 32.7 22.0 110 mmsz4756a 47.0 5.5 80 1500 0.25 0.1 35.8 19.0 95 mmsz4757a 51.0 5.0 95 1500 0.25 0.1 38.8 18.0 90 mmsz4758a 56.0 4.5 110 2000 0.25 0.1 42.6 16.0 80 mmsz4759a 62.0 4.0 125 2000 0.25 0.1 47.1 14.0 70 mmsz4760a 68.0 3.7 150 2000 0.25 0.1 51.7 13.0 65 mmsz4761a 75.0 3.3 175 2000 0.25 0.1 56.0 12.0 60 mmsz4762a 82.0 3.0 200 3000 0.25 0.1 62.2 11.0 55 mmsz4763a 91.0 2.8 250 3000 0.25 0.1 69.2 10.0 50 mmsz4764a 100.0 2.5 350 3000 0.25 0.1 76.0 9.0 45 mmsz1110a 110.0 2.3 450 4000 0.25 0.1 83.6 8.6 40 mmsz1120a 120.0 2.0 550 4500 0.25 0.1 91.2 7.8 37 mmsz1130a 130.0 1.9 700 5000 0.25 0.1 98.8 7.0 34 mmsz1150a 150.0 1.7 1000 6000 0.25 0.1 114.0 6.4 30 mmsz1160a 160.0 1.6 1100 6500 0.25 0.1 121.6 5.8 28 mmsz1180a 180.0 1.4 1200 7000 0.25 0.1 136.8 5.2 25 MMSZ1200A 200.0 1.2 1900 9990 0.25 0.1 152.0 4.7 22 pulse width, p w, (ms) 100 70 50 30 20 10 7.0 5.0 3.0 2.0 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 1000 fig. 4 - maximum surge power 11v-91v non-repetitive rectangular waveform tj=25 0c prior to initial pulse 5% duty cycle 10% duty cycle 20% duty cycle peak surge power, ppk, (w)
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