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| R SEMICONDUCTOR 0.5W SILICON PLANAR ZENER DIODES DO-35 FEATURES Silicon planar power zener diodes Standards zener voltage tolerance is +20%.Add suffix "A" for+10% tolerance and suffix "B" for +5% tolerance other tolerance, non standards and higher zener voltage upon request 0.079(2.0) MAX DIA 1.083(27.5) MIN 0.150(3.8) MAX MECHANICAL DATA Case: DO-35 glass case Polarity: Color band denotes cathode end Weight: Approx. 0.13 gram 0.020(0.52) MAX DIA 1.083(27.5) MIN Dimensions in inches and (millimeters) ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES) (TA=25 C) Zener current see table "Characteristics" Power dissipation at TA=25 C Junction temperature Storage temperature range Ptot TJ TSTG 5001) 175 -65 to+175 mW C C 1) Valid provided that a distance of 8mm from case are kept at ambient temperature ELECTRICAL CHARACTERISTICS (T A=25 C) Thermal resistance junction to ambien airt Forward voltage at IF=200mA R JA 3001) 1.5 C/W VF 1) Valid provided that a distance of 8mm from case are kept at ambient temperature Zener Voltage range 3) VZNOM V 1N957 1N958 1N959 1N960 1N961 1N962 1N963 1N964 1N965 1N966 1N967 1N968 1N969 1N970 1N971 1N972 1N973 1N974 1N975 1N976 1N977 1N978 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 IZT mA 18.5 16.5 15 14 12.5 11.5 10.5 9.5 8.5 7.8 7.0 6.2 5.6 5.2 4.6 4.2 3.8 3.4 3.2 3.0 2.7 2.5 5 11.5 13 16 17 21 25 29 33 41 49 58 70 80 93 105 125 1500 1000 750 700 5.5 4.5 ZZT ZZK 1) Test-Voltage IZK mA 1.0 %/ C 0.050 0.058 0.5 0.062 0.068 0.075 0.076 0.077 0.079 0.082 0.083 0.085 0.086 0.25 0.087 0.088 0.090 0.091 0.092 0.093 0.094 0.095 0.095 0.096 5 IR 2) A 150 75 50 10 5 Suffix A V 4.9 5.4 5.9 6.6 7.2 8.0 8.6 9.4 10.8 11.5 13.0 14.4 15.8 17.3 19.4 21.6 23.8 25.9 28.1 31.0 33.8 36.7 Suffix B V 5.2 5.7 6.2 6.9 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 2) mA 47 42 38 35 32 28 26 24 21 19 17 15 14 14 11 10 9.0 8.5 7.8 7.0 6.4 5.9 Notes: (1)The Zener impedance is derived from the 1kHz Ac voltage which results when an AC current having an RMS value equal to 10% of the Zener current (1 ZT) is superimposed on1 ZT 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 are kept at ambient temperature at a distance of 8 mm from case. (3)Measured with device junction in thermal equilibrium. |
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