HZM27WA Silicon Epitaxial Planar Zener Diode for Surge Absorb ADE-208-352A(Z) Rev 1 Feb. 1999 Features • HZM27WA has two devices, and can absorb external + and -surge. • MPAK Package is suitable for high density surface mounting and high speed assembly. Ordering Information Type No. Laser Mark Package Code HZM27WA 27A MPAK Outline 3 2 (Top View) 1 1 Cathode 2 Cathode 3 Anode HZM27WA Absolute Maximum Ratings (Ta = 25°C) Item Symbol *1 Value Unit 200 mW Power dissipation Pd Junction temperature Tj 150 °C Storage temperature Tstg -55 to +150 °C Note 1. Two device total, See Fig.2. Electrical Characteristics (Ta = 25°C) *1 Item Symbol Min Zener voltage VZ 25.10 28.90 V Reverse current IR 2 µA VR = 21V C (27) pF VR = 0V, f = 1 MHz rd 70 Ω I Z = 2 mA 30 kV C =150pF, R = 330 Ω, Both forward and reverse direction 10 pulse Capacitance *2 Dynamic resistance ESD-Capability *3 Typ Max Notes 1. Per one device. 2. Reference only. 3. Failure criterion ; IRÅÑ2 µA at VR = 21V. 2 Unit Test Condition I Z = 2 mA, 40ms pulse HZM27WA Main Characteristic 8 200 Power Dissipation Pd (mW) 4 2 0 5 10 15 20 25 Zener Voltage 30 Printed circuit board 25 × 62 × 1.6t mm Material: Glass Epoxy Resin+Cu Foil 100 50 0 40 35 Cu Foil 150 0 50 0 Vz (V) 100 150 200 Ambient Temperature Ta ( °C) Fig.2 Power Dissipation Vs. Ambient Temperature Fig.1 Zener current Vs. Zener voltage 4 10 Nonrepetitive Surge Reverses Power PRSM (W) Iz Zener Current 6 1.0mm 0.8mm 250 (mA) 10 PRSM t 3 Ta = 25°C nonrepetitive 10 2 10 10 1.0 -5 10 -4 10 -3 -2 10 Time t 10 -1 10 1.0 (s) Fig.3 Surge Reverse Power Ratings 3 HZM27WA Main Characteristic 4 Transient Thermal Impedance Z th (°C/W) 10 3 10 2 10 10 1.0 -2 10 -1 10 1.0 Time t 10 (s) Fig.4 Transient Thermal Impedance 4 2 10 3 10 HZM27WA Package Dimensions 0.65 – 0.3 + 0.10 0.4 – 0.05 Laser Mark + 0.1 Unit : mm + 0.10 0.16 – 0.06 0.3 2.8 +– 0.1 + 0.2 – 0.6 2.8 2 Cathode 3 Anode + 0.2 1.9 1 Cathode 1.1 – 0.1 1 0.95 0 – 0.10 0.1 0.65 +– 0.3 2 0.95 0.3 27A — 1.5 3 Hitachi Code JEDEC Code EIAJ Code Weight (g) MPAK(1) — SC-59A 0.011 5 Cautions 1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s patent, copyright, trademark, or other intellectual property rights for information contained in this document. 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