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| PartNumber | B72660M301K | B72660M481K72 | B72660M301K72 |
| Description | INSTOCK | Varistors 480V 1000A 40J CU4032K480G2 | Varistors 300V 1200A 90pF Varisto |
| Manufacturer | EPCOS | EPCOS | EPCOS |
| Product Category | TVS - Varistors, MOVs | IC Chips | TVS - Varistors, MOVs |
| Type | Ceramic Transient Voltage Suppressors | - | Ceramic Transient Voltage Suppressors |
| Packaging | Reel | Reel | Reel |
| Part Aliases | B72660M0301K072 CU4032K300G2 | B72660M0481K072 | B72660M0301K072 CU4032K300G2 |
| Termination Style | SMD/SMT | - | SMD/SMT |
| Mounting | SMD/SMT | SMD/SMT | SMD/SMT |
| Operating Temperature Range | - 40 C to + 85 C | - 40 C to + 85 C | - 40 C to + 85 C |
| Package Case | 4032 (10280 metric) | - | 4032 (10280 metric) |
| Capacitance | 90 pF | - | 90 pF |
| Tolerance | 10 % | - | 10 % |
| Voltage Rating AC | 300 VAC | 480 VAC | 300 VAC |
| Voltage Rating DC | 385 VDC | 640 VDC | 385 VDC |
| Clamping Voltage | 775 V | - | 775 V |
| Peak Surge Current | 1200 A | 1000 A | 1200 A |
| Case Code in | 4032 | - | 4032 |
| Case Code mm | 10280 | - | 10280 |
| Surge Energy Rating | 23000 mJ | 40 J | 23000 mJ |
| Height | - | 6.5 mm | - |
| Length | - | 10.2 mm | - |
| Width | - | 8 mm | - |