500mW Zener Diodes 1N957B – 1N977B 500mW Zener Diodes Features • Hermetically sealed glass package zener diodes • RoHS Compliant DO-35 Mechanical Data Case: Terminals: Hermetically sealed axial lead glass case, DO-35 package Leads, tin-lead plated solderable per MIL-STD-750, method 2026 Polarity: Color band denotes cathode Weight: 0.2 gram Maximum Ratings (TA=25ºC unless noted otherwise) Symbol Description ZV Zener Voltage PD DC Power Dissipation TJ, TSTG Operating Junction and Storage Temperature Range Value Unit 6.8 to 47 V 400 mW -65 to 175 °C Note: 1. These ratings are limiting values above which the serviceability of the diode may be impaired. TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060 Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415 Rev. A/AH Page 1 of 3 500mW Zener Diodes 1N957B – 1N977B Electrical Characteristics (TA=25ºC unless noted otherwise) Normal Zener Voltage Part Number (Note1) Maximum Zener Impedance VZ @ IZT Nom. (V) Min. (V) Max. (V) IZT (mA) 1N957B 6.8 6.46 7.14 18.5 1N958B 7.5 7.13 7.88 1N959B 8.2 7.79 1N960B 9.1 1N961B ZZT @ IZT (Ω) Maximum Reverse Leakage Current Zzk @ Izk IR @ VR (Note2) Typical TEMP. Coeff. Of Zener Voltage vz Maximum Zener Current IZM (Ω) (mA) (µA) (V) (mA) (%/° C) 4.5 700 1.0 150 5.2 47 +0.05 16.5 5.5 700 0.5 75 5.7 42 +0.058 8.61 15.0 6.5 700 0.5 50 6.2 38 +0.062 8.65 9.56 14.0 7.5 700 0.5 25 6.9 35 +0.068 10 9.50 10.50 12.5 8.5 700 0.25 10 7.6 32 +0.072 1N962B 11 10.45 11.55 11.5 9.5 700 0.25 5 8.4 28 +0.073 1N963B 12 11.40 12.60 10.5 11.5 700 0.25 5 9.1 26 +0.076 1N964B 13 12.35 13.65 9.5 13.0 700 0.25 5 9.9 24 +0.079 1N965B 15 14.25 15.75 8.5 16.0 700 0.25 5 11.4 21 +0.082 1N966B 16 15.20 16.80 7.8 17.0 700 0.25 5 12.2 19 +0.083 1N967B 18 17.10 18.90 7.0 21.0 750 0.25 5 13.7 17 +0.085 1N968B 20 19.00 21.00 6.2 25.0 750 0.25 5 15.2 15 +0.086 1N969B 22 20.90 23.10 5.6 29.0 750 0.25 5 16.7 14 +0.087 1N970B 24 22.80 25.20 5.2 33.0 750 0.25 5 18.2 13 +0.088 1N971B 27 25.65 28.35 4.6 41.0 750 0.25 5 20.6 11 +0.090 1N972B 30 28.50 31.50 4.2 49.0 1000 0.25 5 22.8 10 +0.091 1N973B 33 31.35 34.65 3.8 58.0 1000 0.25 5 25.1 9.2 +0.092 1N974B 36 34.20 37.80 3.4 70.0 1000 0.25 5 27.4 8.5 +0.093 1N975B 39 37.05 40.95 3.2 80.0 1000 0.25 5 29.7 7.8 +0.094 1N976B 43 40.85 45.15 3.0 93.0 1500 0.25 5 32.7 7.0 +0.095 1N977B 47 44.65 49.35 2.7 105.0 1500 0.25 5 35.8 6.4 +0.095 Note 1: The part numbers shown above have a Zener voltage tolerance of ±5% of the nominal Zener voltage. 2: IZM Values shown are based on the JEDEC rating of 400 milliwatts. Where the actual zener voltage (VZ) is known at the operating point, the maximum zener current may be increased and is limited by the derating curve. Rev. A/AH www.taitroncomponents.com Page 2 of 3 500mW Zener Diodes 1N957B – 1N977B Dimensions in inch (mm) How to contact us DO-35 US HEADQUARTERS 28040 WEST HARRISON PARKWAY, VALENCIA, CA 91355-4162 Tel: (800) TAITRON (800) 824-8766 (661) 257-6060 Fax: (800) TAITFAX (800) 824-8329 (661) 257-6415 Email: [email protected] Http://www.taitroncomponents.com TAITRON COMPONENTS MEXICO, S.A .DE C.V. BOULEVARD CENTRAL 5000 INTERIOR 5 PARQUE INDUSTRIAL ATITALAQUIA, HIDALGO C.P. 42970 MEXICO Tel: +52-55-5560-1519 Fax: +52-55-5560-2190 TAITRON COMPONENTS INCORPORATED REPRESENTAÇÕES DO BRASIL LTDA RUA DOMINGOS DE MORAIS, 2777, 2.ANDAR, SALA 24 SAÚDE - SÃO PAULO-SP 04035-001 BRAZIL Tel: +55-11-5574-7949 Fax: +55-11-5572-0052 TAITRON COMPONENTS INCORPORATED, SHANGHAI REPRESENTATIVE OFFICE METROBANK PLAZA, 1160 WEST YAN’ AN ROAD, SUITE 1503, SHANGHAI, 200052, CHINA Tel: +86-21-5424-9942 Fax: +86-21-5424-9931 Rev. A/AH www.taitroncomponents.com Page 3 of 3