---
source: huluic.cn
data_as_of: 2026-10-04T23:14:42.378Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/alpha-wire/f221b3-4-bk207/zm21nwoq
---

# 元件详情：F221B3/4 BK207

- **型号**: F221B3/4 BK207
- **oneic 编号**: 29-F221B3-4-BK207
- **厂商**: Alpha Wire Corporation
- **描述**: HEATSHRINK 3/4 IN X 4FT BLACK FIT-221 Irradiated Polyolefin Heat Shrink Tubing; 3/4" Diameter.; 4’ length; Black; MIL-DTL-23053/5C, CLASS 1, 2 UL standard 224, CSA Standard 198.
- **分类**: 硬件与散热解决方案 / 热缩管 / 热缩管

## 规格参数

### 商业参数

| 参数 | 值 |
| --- | --- |
| 标准包装数量 | 1 |

### 合规参数

| 参数 | 值 |
| --- | --- |
| UL | YES |
| RoHS | Lead free / RoHS Compliant |
| 安全类别 | BLACK |
| 标准编号 | YES |
| 军用规范 | MIL-23053/5C |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 尺寸 | 3/4 INCH |
| 颜色 | Black |
| 长度 | 4.00' (1.22m) |
| 材料（通用） | Polyolefin, Irradiated |
| 电缆组 | NO |
| 壁厚 | SINGLE WALL |
| 磁芯材质 | IRRPO-CROSS LINKED/IRRADIATED POLYOLEFIN |
| 收缩比 | 2 to 1 |
| 恢复壁厚 | 0.030" (0.76mm) |
| 内径 - 供货状态 | 0.750" (19.0mm) |
| 恢复后内径 | 0.375" (9.5mm) |
| 静电放电屏蔽 | YES IS SHRINK TUBING |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 双通道 | NO |
| 类型 | Tubing, Flexible |
| 产品特性 | Flame Retardant, UV Resistant |
| 数字/字母尺寸 | .750 INCH |

### 环境参数

| 参数 | 值 |
| --- | --- |
| 收缩温度 | 90°C |
| 工作温度 | -55°C ~ 135°C |

## 数据手册

- [FIT-221B-3/4 Spec Sheet](http://media.digikey.com/pdf/Data%20Sheets/Alpha%20Wire%20PDFs/FIT221B3_4.pdf)

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/F221B3%2F4%20BK207`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/alpha-wire/f221b3-4-bk207/zm21nwoq?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)