0402M180KRR

TYPE CITATION SUBJECT SMV0402M□□□KRR Structure MODEL DATE REV. PAGE 1/9 Feb. 03, 2009 C01 1. STRUCTURE NO. 1.1 1.2 1.3 1.4 1.5 1.6 1.7 ITEM Main Material End termination Packaging Complies with Standard Zinc Oxide Ag/Ni/Sn Reel IEC61000-4-5 DESCRIPTION Complies with RoHS Yes Standard Lead content < 1000ppm Reflow solder profile 250 ℃ temperature (Recommend) L W T(max.) 1.00 ± 0.10 0.50 ± 0.10 0.60 0.25 ±0.1 1.8 Dimensions a TYPE CITATION SUBJECT SMV0402M□□□KRR Electrical Characteristics MODEL DATE REV. PAGE 2/9 Feb. 03, 2009 C01 2. ELECTRICAL CHARACTERISTICS N0. 2.0 ITEM Standard Conditions Maximum Allowable Voltage Varistor Voltage Varistor Voltage Temperature Coefficient Max. Clamping Voltage AC : *(1) Vrms DC : *(1) V V0.1mA : *(1) V 0 ~ −0.05 %/°C *(1) V at 1 A Peak voltage across the varistor with a specified peak impulse current of 8x20μs waveform. The max. current within the varistor voltage change of less than ±10% when one impulse current (8x20μs) applied. The max. energy absorbed with a varistor voltage change of less than ±10% when one impulse (10x1000μs) is applied. at V1mA×80% at V1mA×80% (After Reliability Test) Capacitance shall be measured at 1 kHz±10%,1 Vrms max.(1 MHz below 100 pF) 0V bias and 20±2℃ PERFORMANCE 2.1 2.2 2.3 2.4 TEST METHODS Unless otherwise specified, all tests are made under environmental conditions as given below: Temperature: 5~35°C Relative humidity: 45~85 % RH Maximum continuous sine wave(RMS) or DC voltage which may be applied. Voltage across the varistor measured at CmA DC. Withstanding Surge 2.5 Current *(1) A 2.6 2.7 2.8 2.9 Energy Response time Leakage current Capacitance *(1) Joule Trise < 1 nS I Vv I Vv 0.05 > 0.05 > 0.05 > 0.05 > 0.05 > 0.05 PF(＊ 1)(kHz) 160 110 75 50 75 45 75 54 45 TYPE CITATION SUBJECT SMV0402M□□□KRR Reliability MODEL DATE REV. PAGE 4/9 Feb. 03, 2009 C01 3. ENVIRONMENTAL CHARACTERISTICS No. 3.1 Characteristic High Temperature Storage Test method and description The specimen shall be subjected to 150 ± 2℃ for 1000 ± 12 hours in a thermostatic bath without load and then stored at room temperature and humidity for 1 to 2 hours. The change of varistor voltage shall be within 10﹪ . The temperature cycle of specified temperature shall be repeated five times and then stored at room temperature and change of varistor voltage shall be within 10﹪ and mechanical damage shall be High Temperature Load Step 1 2 3 4 Temperature -40±3℃ Room Temperature 125±2℃ Room Temperature Period 30Min±3 1~2 hours 30Min±3 1~2 hours 3.2 Temperature Cycle humidity for one or two hours. The After being continuously applied the maximum allowable voltage at 85 ± 2℃ For 1000± 2 hours, the specimen shall be stored at room temperature and humidity for one or two hours, the change of varistor voltage shall be within 10﹪ . The specimen should be subjected to 40 ± 2℃, 90 to 95%RH environment, and the 3.3 3.4 Damp Heat Load/ Humidity Load maximum allowable voltage applied for 1000 hours, then stored at room temperature and humidity for one or two hours. The change of varistor voltage shall be within 10%. The specimen should be subjected to -40 ± 2℃, without load for 500 hours and then 3.5 Low Temperature Storage stored at room temperature for one or two hours. The change of varistor voltage shall be within 10﹪ 4. TECHNICAL TERM No. 4.1 4.2 4.3 Item Operating Temperature Range Storage Temperature Range Transient Response Time Specifications -40℃ to +85℃ -40℃ to +125℃ < 50 ns Description Operating temperature range without derating. Storage temperature range without voltage applied. Time lag between application of surge and varistor's "turn-on" conduction action. TYPE CITATION SUBJECT SMV0402M□□□KRR Soldering MODEL DATE REV. PAGE 5/9 Feb. 03, 2009 C01 5. SOLDERING RECOMMENDATIONS 5.1 Recommended solder pad layout A B C D 0.4~0.6 1.4~1.8 0.5~0.6 0.6~1.2 （ Unit： mm） 5.2 The SIR test of the solder paste shall be done（ Based on JIS-Z-3284） 5.3 Steel plate and foot distance printing Foot distance printing (mm) > 0.65mm 0.65mm~0.5mm 0.50mm~0.40mm