| 种类：保护器件 | 品牌：EPCOS/爱普科斯 | 型号：CU3225K300G2 |
| 序号 | 物料名称 | 应用 | 设计 | 工作电压(VAC) | 冲击电流（安） | 能量吸收(J) | 功能∕系列 | 电容，典型(pF) | 型号 | 订购代码 |
| 1 | 陶瓷瞬时电压抑制器 | Data processing Consumer Industrial Telecom | Single chip | 300 | 400 | 9600 | SMD disk varistor (CU) standard series | 45 | CU3225K300G2 | B72650M0301K072 |
Features
Electrical equivalents to leaded types SIOV-S05/S07
Operating voltage up to 300 VRMS
SMD plastic package
RoHS-compatible
Suitable for lead-free soldering
UL approved
CSA approved (types with voltages higher than 130 VRMS)
PSpice models available
Applications
Overvoltage protection and transient suppression in control electronics, detectors and
sensors, touch screens, plug-in cards, remote controls
Design
Cylindrical varistor element, encapsulated.
Encapsulation: thermoplastic, flame-retardant to UL 94 V-0.
Termination: tinned copper alloy, suitable for lead-free wave and reflow soldering, and
compatible with tin/lead solder.
V/I characteristics and derating curves
V/I and derating curves are attached to the data sheet. The curves are sorted by VRMS and
then by case size, which is included in the type designation.
General technical data
Maximum RMS operating voltage VRMS,max 11 ... 300 V
Maximum DC operating voltage VDC,max 14 ... 385 V
Maximum surge current (8/20 μs) Isurge,max 100 ... 1200 A
Maximum energy absorption (2 ms) Wmax 300 ... 23000 mJ
Maximum power dissipation Pdiss,max 10 ... 250 mW
Maximum clamping voltage (8/20 μs) Vclamp,max 36 ... 775 V
Operating temperature Top 40/+85 °C
Storage temperature Tstg 40/+125 °C
