---
source: huluic.cn
data_as_of: 2026-10-10T13:55:00.836Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/keystone-electronics/3478/BqVgwOmr
---

# 元件详情：3478

- **型号**: 3478
- **oneic 编号**: 198-3478
- **厂商**: Keystone Electronics Corp.
- **描述**: Standoffs & Spacers RND .250X.250 ALUM ROUND STANDOFF 4-40 ALUM 1/4" Standoff;#4-40;0.250in.;Aluminum;0.250in.;Iridite;Round
- **分类**: 硬件与散热解决方案 / 板间隔柱与支撑柱 / 支撑柱与间隔柱

## 规格参数

### 商业参数

| 参数 | 值 |
| --- | --- |
| 交货时间 | 56 Days |
| 其他名称 | 3478K |
| 子类别 | Standoffs |
| 产品类别 | Standoffs & Spacers |
| 标准包装数量 | 10 |

### 合规参数

| 参数 | 值 |
| --- | --- |
| RoHS | RoHS Compliant |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 颜色 | Natural |
| 长度 | 0.25 in |
| 镀层 | Iridite |
| 材料（通用） | Aluminum |
| 螺纹尺寸 | 4-40 |
| 总长度 | 0.250" (6.35mm) 1/4" |
| 外径 | 0.25 in |
| 螺纹/无螺纹 | Threaded |
| 板间高度 | 0.250" (6.35mm) 1/4" |
| 螺纹/螺钉/孔尺寸 | 4-40 Thread |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 类型 | Standoffs, Round Female Threaded |
| 连接器性别 | Female |

## 数据手册

- [Datasheet](http://www.keyelco.com/category.cfm/Standoffs-Hex-Round/4-40-Thread/p/495/id/500/c_id/1050)
- [Datasheet](http://www.mouser.com/catalog/specsheets/3478.pdf)

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/3478`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/keystone-electronics/3478/BqVgwOmr?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)