# 5ST 4 Bel Fuse Inc. | Circuit Protection | DigiKey

**Manufacturer:** Bel Fuse Inc  
**Brand:** Bel Fuse Inc.  
**MPN:** `5ST-4`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Bel Fuse Inc. |
| Manufacturer name | Bel Fuse Inc. |
| Manufacturer | Bel Fuse Inc. |
| Extra Product Name | 5ST 4 Bel Fuse Inc. \| Circuit Protection \| DigiKey |
| atoms | 1 |
| color | - |
| extraShipping | 0 |
| moq | 1 |
| MPN | 5ST-4 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 622153 |
| snippet | 4 A 250 V AC DC Fuse Cartridge, Glass Requires Holder 5mm x 20mm |
| tariff | 1.2 |
| Category | Circuit Protection |
| Mfr | Bel Fuse Inc. |
| Series | 5ST |
| Package | Bulk |
| Product Status | Obsolete |
| Mounting Type | Requires Holder |
| Fuse Type | Cartridge, Glass |
| Current Rating (Amps) | 4 A |
| Voltage Rating - AC | 250 V |
| Response Time | Slow Blow |
| Package / Case | 5mm x 20mm |
| Breaking Capacity @ Rated Voltage | 40A |
| Melting I?t | 56 |
| Approval Agency | CE, CSA, IMQ, SEMKO, UL, VDE |
| Operating Temperature | -55?C ~ 125?C |
| Color | - |
| Size / Dimension | 0.201" Dia x 0.787" L (5.10mm x 20.00mm) |
| DC Cold Resistance | 0.014 Ohms |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 622153 |  |  | None | 1 |

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Structured data: `/python/html6/product/500/151500000/151960000/part_--5ST4---BelFuseInc--5b59f532bd.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp