# F221B1/4 BK100 Alpha Wire | Cables, Wires - Management | DigiKey

**Manufacturer:** Alpha Wire  
**MPN:** `F221B1-4-BK100`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | Alpha Wire |
| Manufacturer name | Alpha Wire |
| Manufacturer | Alpha Wire |
| DimensionUnit | m |
| Extra Product Name | F221B1/4 BK100 Alpha Wire \| Cables, Wires - Management \| DigiKey |
| atoms | 1 |
| diameter | 0.00635 |
| extendedLead | 42 Weeks |
| extraShipping | 0 |
| height | 0.00635 |
| height_Attrib | Inner Diameter - Supplied |
| length | 4.0 |
| length_Attrib | Length |
| moq | 1 |
| MPN | F221B1-4-BK100 |
| multiple | 1 |
| packaging | Bulk |
| qtyInStock | 11950 |
| SKU | 281675 |
| snippet | Heat Shrink Tubing, Flexible 0.250\ |
| tierMinQty1 | 1 |
| tierMinQty2 | 5 |
| tierMinQty3 | 10 |
| tierMinQty4 | 20 |
| tierMinQty5 | 50 |
| tierMinQty6 | 100 |
| tierMinQty7 | 250 |
| tierMinQty8 | 500 |
| tierMinQty9 | 1,000 |
| tierPrice1 | 3.36000 |
| tierPrice2 | 3.22800 |
| tierPrice3 | 2.48800 |
| tierPrice4 | 2.28650 |
| tierPrice5 | 2.15200 |
| tierPrice6 | 2.01750 |
| tierPrice7 | 1.81576 |
| tierPrice8 | 1.74852 |
| tierPrice9 | 1.70817 |
| width | 0.00635 |
| width_Attrib | Inner Diameter - Supplied |
| Category | Cables, Wires - Management |
| Mfr | Alpha Wire |
| Series | FIT?-221B |
| Package | Bulk |
| Product Status | Active |
| Type | Tubing, Flexible |
| Shrinkage Ratio | 2 to 1 |
| Length | 4.00' (1.22m) |
| Inner Diameter - Supplied | 0.250" (6.35mm) |
| Inner Diameter - Recovered | 0.125" (3.18mm) |
| Recovered Wall Thickness | 0.025" (0.64mm) |
| Material | Polyolefin (PO), Irradiated |
| Features | Flame Resistant, Fluid Resistant, UV Resistant |
| Color | Black |
| Operating Temperature | -55?C ~ 135?C |
| Shrink Temperature | 90?C |
| Storage/Refrigeration Temperature | - |
| Shelf Life | 60 Months |
| Shelf Life Start | Date of Manufacture |
| Base Product Number | F221B1/4 |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Digi-Key | 281675 | 3.36 | 1 | 11950 | 1 |

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Structured data: `/python/html6/product/500/168000000/168487500/part_--F221B14BK100---AlphaWire--7b74aaa985.json`  
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MCP server: https://www.dataalchemy.com/mcp