AVRM1608

Voltage Protection Devices July 2019 RoHS Cl Br REACH Halogen SVHC-Free Free Pb Lead Free Chip varistors Voltage Protection Devices Automotive grade AVR series AVRM, AVR-M series AVRM1608/AVR-M1608 AVRM2012/AVR-M2012 AVRL series AVRL10 AVRL16 AVRH series AVRH10 JIS 1608 [EIA 0603] JIS 2012 [EIA 0805] JIS 1005 [EIA 0402] JIS 1608 [EIA 0603] JIS 1005 [EIA 0402] Voltage Protection Devices Chip varistors Automotive grade (2/14) Product compatible with RoHS directive Compatible with lead-free solders AEC-Q200 Overview of the AVR series CHARACTERISTICS OF CHIP VARISTOR Varistors are voltage dependent nonlinear resistive elements with a resistance that decreases rapidly when the voltage is over the constant value. Varistors become zener diode of 2 serial connection and equivalent, and does not have polarity. EQUIVALENT CIRCUIT OF CHIP VARISTORS 2 Zener Diodes A capacitance content CURRENT vs. VOLTAGE CHARACTERISTICS Current(A) Positive direction 10–1 10–2 10–3 Zener diode /Vz:6.8V 10–4 10–5 Chip varistor /V1mA:12V –18 –14 –10 –6 –2 2 6 –10–5 10 14 18 –10–4 –10–3 Negative direction –10–2 –10–1 Voltage(V) THE EFFECT OF THE VARISTOR Without varistor A malfunction and failure of electronic equipment ESD, Surge voltage CHIP VARISTORS FEATURE FOR AUTOMOTIVE GRADE Reliability characteristics evaluated based on AEC-Q200 condition. High ESD withstanding voltage Small-sized products are available 125°C, 150°C Supported Figure 1 internal structure of multilayer ch...