HZK Series SILICON EPITAXIAL PLANAR ZENER DIODES for Stabilized Power Supply LL-34 Features • LLD package is suitable for high-density surface mounting and high speed assembly. • Low leakage, low zener impedance and maximum power dissipation of 500 mW. • Wide spectrum from 1.9V through 38V of zener voltage provide flexible application. Absolute Maximum Ratings (Ta = 25oC) Power Dissipation Junction Temperature Storage Temperature Range Symbol Value Unit Ptot 500 mW Tj 175 O -55 to +175 O TS C C Note: With P.C. Board. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 22/01/2005 HZK Series Electrical Characteristics ( Ta = 25oC) TYPE Zener Voltage Reverse Current Dynamic Resistance VZ (V) (1) IR (μA) rd (Ω) Min. Max. HZK2B 1.9 2.3 HZK2C 2.2 2.6 HZK3A 2.5 2.9 HZK3B 2.8 3.2 HZK3C 3.1 3.5 HZK4A 3.4 3.8 HZK4B 3.7 4.1 HZK4C 4.0 4.4 HZK5A 4.3 4.7 HZK5B 4.6 5.0 HZK5C 4.9 5.3 HZK6A 5.2 5.7 HZK6B 5.5 6.0 HZK6C 5.8 6.4 HZK7A 6.3 6.9 HZK7B 6.7 7.3 HZK7C 7.2 7.9 HZK9A 7.7 8.5 HZK9B 8.3 9.1 IZ (mA) Max. VR (V) Max. lZ (mA) 5 5 0.5 100 5 5 5 0.5 100 5 5 5 1.0 100 5 5 5 1.5 100 5 5 5 2 40 5 5 1 3.5 15 5 5 1 5 20 5 5 1 7.5 25 5 5 1 9.5 35 5 HZK9C 8.9 9.7 HZK11A 9.5 10.3 HZK11B 10.2 11.1 HZK11C 10.9 11.9 HZK12A 11.6 12.7 HZK12B 12.4 13.4 HZK12C 13.2 14.3 HZK15 14.1 15.5 5 1 11 40 5 HZK16 15.3 17.1 5 1 12 45 5 HZK18 16.9 19.0 5 1 13 55 5 HZK20 18.8 21.1 2 1 15 60 2 HZK22 20.9 23.3 2 1 17 65 2 HZK24 22.9 25.5 2 1 19 70 2 HZK27 25.2 28.6 2 1 21 80 2 HZK30 28.2 31.6 2 1 23 100 2 HZK33 31.2 34.6 2 1 25 120 2 HZK36 34.2 38.0 2 1 27 140 2 Note: 1). Tested with DC 2). Tested with pulses tp = 20 ms. SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 22/01/2005 HZK Series HZK36 HZK33 HZK27 HZK30 HZK24 HZK20 HZK22 HZK16 8 Zener Current Iz (mA) HZK18 HZK12 HZK15 HZK2 10 HZK11 HZK3 HZK4 HZK5 HZK6 HZK7 HZK9 Fig.1- Zener current versus zener voltage 6 4 2 0 4 8 12 16 20 24 28 32 36 40 Zener voltage Vz (v) ( %/ C) Fig.2 Temperature Coefficient Vs. Zener voltage Fig. 3 Power dissipation Vs. Ambient temperature Power dissipation Ptot ( mW ) mV / C Zener voltage temperature coefficient z (mV / C) Zener voltage temperature coefficient z %/ C Zener voltage VZ ( V ) Ambient temperature Ta ( C ) SEMTECH ELECTRONICS LTD. ® (Subsidiary of Sino-Tech International Holdings Limited, a company listed on the Hong Kong Stock Exchange, Stock Code: 724) Dated : 22/01/2005