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| 1N746A - 1N759A VZ : 3.3 to 12V PD : 500mW FEATURES : * Silicon planar power zener diodes. * Standard zener voltage tolerance is 5% * Other tolerances are available upon request. * Pb / RoHS Free ZENER DIODES DO - 35 Glass (DO-204AH) 0.079(2.0 )max. 1.00 (25.4) min. Cathode Mark 0.150 (3.8) max. MECHANICAL DATA : Case: DO-35 Glass Case Weight: approx. 0.13g 0.020 (0.52)max. 1.00 (25.4) min. Dimensions in inches and ( millimeters ) Rating at 25 C ambient temperature unless otherwise specified. Maximum Ratings and Thermal Characteristics Parameter Zener Current see Table "Characteristics" Maximum Forward Voltage at IF = 200 mA. Power Dissipation at TL = 75C Thermal Resistance Junction to Ambient Air Junction temperature Storage temperature range VF PD RJA TJ TS 1.2 500 (1) (2) Symbol Value Unit V mW C/W C C 300 175 -65 to + 150 Notes: (1) TL is measured 3/8" from body. (2) Valid provided that leads at a distance of 3/8" from case are kept at ambient temperature. Page 1 of 2 Rev. 02 : March 25, 2005 ELECTRICAL CHARACTERISTICS Rating at 25 C ambient temperature unless otherwise specified. Type Nominal Zener Voltage VZ @ IZT (V) 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 12 Test Current IZT (mA) 20 20 20 20 20 20 20 20 20 20 20 20 20 20 1N746A 1N747A 1N748A 1N749A 1N750A 1N751A 1N752A 1N753A 1N754A 1N755A 1N756A 1N757A 1N758A 1N759A Notes : Maximum Zener Impedance ZZT @ IZT (1) () 28 24 23 22 19 17 11 7 5 6 8 10 17 30 Maximum Reverse Leakage Current (2) IR @ VR=1V Ta=25C Ta=150C (A) (A) 10 30 10 10 2 2 1 1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 30 30 30 30 20 20 20 20 20 20 20 20 20 Maximum DC. Zener Current IZM (mA) 110 100 95 85 75 70 65 60 55 50 45 40 35 30 (1) The Zener impedance is derived from the 1 kHz AC voltage which results when an AC current having an RMS value equal to 10% of the Zener current (IZT) is superimposed on IZT. Zener impedance is measured at two points to insure a sharp knee on the breakdown curve and to eliminate unstable units. (2) Valid provided that leads at a distance of 3/8" from case are kept at ambient temperature. (3) The type number listed have a standard tolerance on the nominal zener voltage of 5.0%. Page 2 of 2 Rev. 02 : March 25, 2005 |
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