# V321HC40 Littelfuse Inc. | Circuit Protection | DigiKey

**Manufacturer:** Littelfuse Inc  
**Brand:** Littelfuse Inc.  
**MPN:** `V321HC40`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Littelfuse Inc. |
| Manufacturer name | Littelfuse Inc. |
| Manufacturer | Littelfuse Inc. |
| Extra Product Name | V321HC40 Littelfuse Inc. \| Circuit Protection \| DigiKey |
| atoms | 1 |
| minimum | 1 |
| moq | 1 |
| MPN | V321HC40 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | V321HC40-ND |
| Mfr | Littelfuse Inc. |
| Part Status | Active |
| Energy | 460J |
| Operating Temperature | -55?C ~ 85?C (TA) |
| Mounting Type | Bolt Mount |
| Package / Case | Disc 40mm, Formed Tabs |
| Number of Circuits | 1 |
| Maximum AC Volts | 320 V |
| Maximum DC Volts | 420 V |
| Varistor Voltage (Min) | 459 V |
| Varistor Voltage (Typ) | 510 V |
| Varistor Voltage (Max) | 561 V |
| Current - Surge | 40 kA |
| Capacitance @ Frequency | 3800 pF @ 1 MHz |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | V321HC40-ND |  |  | None | 1 |
| Hotenda | H621124 |  |  | None | 1 |
| Newark | 01P8524 | 12.29 | 1 | None | 180 |
| Digi-Key | 2501426 | 16.446219 | 1 | None | 1 |
| Galco | V321HC40-LF | 13.49 | 1 | None | 180 |

---
Structured data: `/python/html6/product/500/233500000/233911500/part_--V321HC40---LittelfuseInc--89fdfe17db.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp