1.0W Surface Mount Zener Diodes ZM4728A – ZM4764A 1.0W Surface Mount Zener Diodes Features Silicon planar power zener diodes For use in stabilizing and clipping circuits with higher power rating Standard zener voltage tolerance is ±5% Low profile package Built-in strain relief Low inductance RoHS compliant MELF Mechanical Data Case: Terminals: Molded glass MELF Solder plated, solderable per MIL-STD-750, Method 2026 Polarity: Color band denotes cathode end Weight: 0.135 grams Maximum Ratings (T Ambient=25ºC unless noted otherwise) Symbol PTOT TJ TSTG VF RθJA Description Value Unit 1 W Operation Junction Temperature Range -65 to 200 °C Storage Temperature Range -65 to 200 °C Forward Voltage 1.2 V Thermal Resistance Junction to Ambient Air 170 °C/W Power Dissipation at TA=25°C Conditions Note IF=200mA Note:. Valid provided that electrodes are kept at ambient temperature. 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. D/CH Page 1 of 5 1.0W Surface Mount Zener Diodes ZM4728A – ZM4764A Electrical Characteristics (T Ambient=25ºC unless noted otherwise) Norminal Zener Voltage @ IZT Part NO. Max. Zener Impedance (Ω) VZ(V) Max. Reverse Leakage Current IR @ VR Nom. Min. Max. IZT(mA) ZZT @ IZT ZZK @ Izk IZK(mA) IR(A) VR(V) ZM4728A 3.3 3.14 3.47 76.0 10.0 400 1.0 100 1.0 ZM4729A 3.6 3.42 3.78 69.0 10.0 400 1.0 100 1.0 ZM4730A 3.9 3.71 4.10 64.0 9.0 400 1.0 50 1.0 ZM4731A 4.3 4.09 4.52 58.0 9.0 400 1.0 10 1.0 ZM4732A 4.7 4.47 4.94 53.0 8.0 500 1.0 10 1.0 ZM4733A 5.1 4.85 5.36 49.0 7.0 550 1.0 10 1.0 ZM4734A 5.6 5.32 5.88 45.0 5.0 600 1.0 10 2.0 ZM4735A 6.2 5.89 6.51 41.0 2.0 700 1.0 10 3.0 ZM4736A 6.8 6.46 7.14 37.0 3.5 700 1.0 10 4.0 ZM4737A 7.5 7.13 7.88 34.0 4.0 700 0.5 10 5.0 ZM4738A 8.2 7.79 8.61 31.0 4.5 700 0.5 10 6.0 ZM4739A 9.1 8.65 9.56 28.0 5.0 700 0.5 10 7.0 ZM4740A 10 9.50 10.50 25.0 7.0 700 0.25 10 7.6 ZM4741A 11 10.45 11.55 23.0 8.0 700 0.25 5 8.4 ZM4742A 12 11.40 12.60 21.0 9.0 700 0.25 5 9.1 ZM4743A 13 12.35 13.65 19.0 10.0 700 0.25 5 9.9 ZM4744A 15 14.25 15.75 17.0 14.0 700 0.25 5 11.4 ZM4745A 16 15.20 16.80 15.5 16.0 700 0.25 5 12.2 ZM4746A 18 17.10 18.90 14.0 20.0 750 0.25 5 13.7 ZM4747A 20 19.00 21.00 12.5 22.0 750 0.25 5 15.2 ZM4748A 22 20.90 23.10 11.5 23.0 750 0.25 5 16.7 ZM4749A 24 22.80 25.20 10.5 25.0 750 0.25 5 18.2 ZM4750A 27 25.65 28.35 9.5 35.0 750 0.25 5 20.6 ZM4751A 30 28.50 31.50 8.5 40.0 1000 0.25 5 22.8 ZM4752A 33 31.35 34.65 7.5 45.0 1000 0.25 5 25.1 ZM4753A 36 34.20 37.80 7.0 50.0 1000 0.25 5 27.4 ZM4754A 39 37.05 40.95 6.5 60.0 1000 0.25 5 29.7 ZM4755A 43 40.85 45.15 6.0 70.0 1500 0.25 0.5 32.7 Rev. D/CH www.taitroncomponents.com Page 2 of 5 1.0W Surface Mount Zener Diodes ZM4728A – ZM4764A Norminal Zener Voltage @ IZT Part NO. Max. Zener Impedance (Ω) VZ(V) Max. Reverse Leakage Current IR @ VR Nom. Min. Max. IZT(mA) ZZT @ IZT ZZK @ Izk IZK(mA) IR(A) VR(V) ZM4756A 47 44.65 49.35 5.5 80.0 1500 0.25 0.5 35.8 ZM4757A 51 48.45 53.55 5.0 95.0 1500 0.25 0.5 38.8 ZM4758A 56 53.20 58.80 4.5 110.0 2000 0.25 0.5 42.6 ZM4759A 62 58.90 65.10 4.0 125.0 2000 0.25 0.5 47.1 ZM4760A 68 64.60 71.40 3.7 150.0 2000 0.25 0.5 51.7 ZM4761A 75 71.25 78.75 3.3 175.0 2000 0.25 0.5 56.0 ZM4762A 82 77.90 86.10 3.0 200.0 3000 0.25 0.5 62.2 ZM4763A 91 86.45 95.55 2.8 250.0 3000 0.25 0.5 69.2 ZM4764A 100 95.00 105.00 2.5 350.0 3000 0.25 0.5 76.0 Typical Characteristics Curves Power Dissipation (W) Fig.1-Power Derating Curve Ambient Temperature (° C) Rev. D/CH www.taitroncomponents.com Page 3 of 5 1.0W Surface Mount Zener Diodes ZM4728A – ZM4764A Fig.2-Breakdown Characteristics Dimensions in inch (mm) MELF Rev. D/CH www.taitroncomponents.com Page 4 of 5 1.0W Surface Mount Zener Diodes ZM4728A – ZM4764A Ordering Information Z M 47XX A –XX–TR70 Tape & Reel, 7” Reel, RoHS Factory Location Code Tolerance ±5% Series Code MELF Body Taitron SMD Zener Diode How to contact us 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 TAIWAN, TAIPEI 6F., No.190, Sec. 2, Zhongxing Rd., Xindian Dist., New Taipei City 23146, Taiwan R.O.C. Tel: 886-2-2913-6238 Fax: 886-2-2913-6239 TAITRON COMPONENT TECHNOLOGY, SHANGHAI CORPORATION METROBANK PLAZA,1160 WEST YAN’AN ROAD, SUITE 1503, SHANGHAI,200052, CHINA Tel: +86-21-5424-9942 Fax: +86-21-2302-5027 CROSS REGION PLAZA, 899 LINGLING ROAD, SUITE 18C, SHANGHAI, 200030, CHINA Tel: +86-21-5424-9942 Fax: +86-21-5424-9931 www.taitroncomponents.com Rev. D/CH Page 5 of 5