511KD20

20 Φ SERIES www.DataSheet4U.com DATA SHEET ZINC OXIDE VARISTOR – 20 Φ SERIES FEATURES — — — — Wide operating voltage (V1mA) range from 8V to 1800V. Fast responding to transient over-voltage. Large absorbing transient energy capability. Low clamping ratio and no following-on current. APPLICATION — — — — — Transistor, diode, IC, thyristor or triac semiconductor protection. Surge protection in consumer electronics. Surge protection in industrial electronics. Surge protection in electronic home appliances, gas and petroleum appliances. Relay and electromagnetic valve surge absorption. PART NUMBER CODE BK Brand Name Tolerance K:±10% L: ±15% M: ±20% Type D: Disk S: Square Element Diameter Varistor Voltage www.brightking.com 20 Φ SERIES PACKAGE DIMENSIONS unit :mm www.DataSheet4U.com Part Code 182K 152K 112K 102K 911K 821K 781K 751K 681K 621K 561K 511K 471K 431K 391K 361K 331K 301K 271K 241K 221K 201K 181K 151K 121K 101K 820K 680K 560K 470K 390K T Max. 15.6 13.2 10.1 9.5 9.0 8.5 8.4 8.2 7.8 7.5 7.0 6.8 6.6 6.4 6.2 6.2 5.9 5.7 5.6 5.4 5.3 5.0 5.0 5.6 5.3 5.1 4.9 5.8 5.7 5.6 5.5 L Min. 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 D Max. 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 25 H Max. 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 28 d ±0.05 E ±0.8 0.8/1.0 7.5/10 www.brightking.com 20 Φ SERIES ELECTRICAL RATINGS Item Varis...