This is Varistor.
Part Number : ERZV10D471, V10471U
Package : Disk Type
Features
1. Large withstanding surge current capability in compact sizes
2. Large “Energy Handling Capability”absorbing transient overvoltages in compact sizes
3. Wide range of varistor voltages
4. RoHS compliant
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Recommended Applications
1. Transistor, diode, IC, thyristor or triac semiconductor protection
2. Surge protection in consumer electronic equipment
3. Surge protection in communication, measuring or controller electronics
4. Surge protection in electronic home appliances, gas or petroleum appliances
Datasheet PDF Download : 