Download 1N749 Datasheet PDF
Good-Ark Semiconductor
1N749
1N749 is SILICON PLANAR ZENER DIODES manufactured by Good-Ark Semiconductor.
- Part of the 1N749_GOOD comparator family.
Features Silicon Planar Zener Diodes 10%. Add suffix “A” Standard Zener voltage tolerance is for 5% tolerance. Other tolerances, non standard and higher Zener voltages upon request. DIM ENSIONS DIM A B C D inches Min. 1.083 Max. 0.154 0.075 0.020 Min. 27.50 mm Max. 3.9 1.9 0.52 Note Absolute Maximum Ratings (Ta=25 ) Symbols Values Units Zener current see Table "Characteristics" Power dissipation at Tamb=50 Junction Temperature Storage temperature range Ptot Tj TS 400 1) m W 175 -65 to +175 Note: (1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. Characteristics Thermal resistance junction to ambient Air at Tamb=25 Symbols Min. Typ. Max. Units Rth A VF - - 1) K/m W V Forward voltage at IF=200m A Note: (1) Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature. Zener voltage range Type Vznom V 1N746 1N747 1N748 1N749 1N750 1N751 1N752 1N753 1N754 1N755 1N756 1N757 1N758 1N759 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 12.0 1) IZT m A 20 20 20 20 20 20 20 20 20 20 20 20 20 20 Maximum Zener Impedence ZZT at IZT Typical Temperature coefficient %/ Maximum reverse leakage current IR 2) at VR=1V TA=25 u A 10 10 10 2 2 1 1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 TA=150 uu A 30 30 30 30 30 20 20 20 20 20 20 20 20 20 Maximum Regulator current IZM m A 110 100 95 85 75 70 65 60 55 50 45 40 35 30 28 24 23 22 19 17 11 7 5 6 8 10 17 30 -0.062 -0.055 -0.049 -0.036 -0.018 -0.008 +0.006 +0.022 +0.035 +0.045 +0.052 +0.056 +0.060 +0.060 Notes: (1) Test with pulse tp=20ms. (2) Valid provided that leads are kept at ambient temperature at a distance of 8 mm from case. RATINGS AND CHARACTERISTIC...