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1N964 Dataheets PDF



Part Number 1N964
Manufacturers CHENYI
Logo CHENYI
Description 0.5W SILICON PLANAR ZENER DIODES
Datasheet 1N964 Datasheet1N964 Datasheet (PDF)

CE CHENYI ELECTRONICS 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 1N957 THRU 1N978 0.5W SILICON PLANAR ZENER DIODES MECHANICAL DATA . Case: DO-35 glass case . Polarity: Color band denotes cathode end . Weight: Approx. 0.13gram ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25 ) Zener current see table "Characteristics".

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CE CHENYI ELECTRONICS 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 1N957 THRU 1N978 0.5W SILICON PLANAR ZENER DIODES MECHANICAL DATA . Case: DO-35 glass case . Polarity: Color band denotes cathode end . Weight: Approx. 0.13gram ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25 ) Zener current see table "Characteristics" Symbols Value Power dissipation at TA=75 Ptot 5001) Junction temperature TJ 175 Storage temperature range TSTG -65 to + 175 1)Valid provided that at a distance of 8mm from case are kept at ambient temperature(DO-35) ELECTRICAL CHARACTERISTICS(TA=25 ) Units mW Symbols Min. Thermal resistance junction to ambient R JA Forward voltage at IF=200mA VF 1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature Typ. Max. 300 1) 1.5 Units /W Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 of 2 CE CHENYI ELECTRONICS 1N957 THRU 1N978 0.5W SILICON PLANAR ZENER DIODES 1N957…1N978 SILICON PLANAR ZENER DIODES Type 1N957 1N958 1N959 1N960 1N961 1N962 1N963 1N964 1N965 1N966 1N967 1N968 1N969 1N970 1N971 1N972 1N973 1N974 1N975 1N976 1N977 1N978 Zener Voltage Range3) VZNOM V 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 6.2 5.6 5.2 4.6 4.2 3.8 3.4 3.2 3 2.7 2.5 Maximum zener impedence1) ZZT ZZK 4.5 5.5 700 5 11.5 13 16 17 21 25 29 750 33 41 49 58 1000 70 80 93 105 1500 125 IZK mA 1 0.5 0.25 Typical Tempetature coefficient %/ 0.050 0.058 0.062 0.068 0.075 0.076 0.077 0.079 0.082 0.083 0.085 0.086 0.087 0.088 0.090 0.091 0.092 0.093 0.094 0.095 0.095 0.096 Maximum Reverse Leakage Current IR 2) Test-Voltage suffix A suffix B AVV 150 4.9 5.2 75 5.4 5.7 50 5.9 6.2 10 6.6 6.9 7.2 7.6 5 8 8.4 8.6 9.1 9.4 9.9 10.8 11.4 11.5 12.2 13 13.7 14.4 15.2 15.8 16.7 17.3 18.2 5 19.4 20.6 21.6 22.8 23.8 25.1 25.9 27.4 28.1 29.7 31 32.7 33.8 35.8 36.7 38.8 Maximum Regulator Current IZM 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 (IZT) is suprimposed 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 are kept at ambient temperature at a distance of 8mm from case (3) Measured with device junction in thermal equilibrium. Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 2 of 2 .


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