---
source: huluic.cn
data_as_of: 2026-10-13T06:57:04.348Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/keystone-electronics/3021/gr1mEyVr
---

# 元件详情：3021

- **型号**: 3021
- **oneic 编号**: 198-3021
- **厂商**: Keystone Electronics Corp.
- **描述**: Battery Holders, Snaps & Contacts 20mm THM Coin Cell Retainer RETAINER COIN CELL T/H 20MM Contact;20mm;PhosphorBronze;NickelPlate;ThruHoleMount;2Cells
- **分类**: 电子基础产品 / 电池组 / 电池组

## 规格参数

### 商业参数

| 参数 | 值 |
| --- | --- |
| 产品 | Battery Holders |
| 其他名称 | 3021K |
| 产品类别 | Battery Holders, Snaps & Contacts |
| 标准包装数量 | 100 |

### 合规参数

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

### 电气参数

| 参数 | 值 |
| --- | --- |
| 电池节数 | 2 |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 尺寸 | 20mm |
| 材料（通用） | Phosphor Bronze |
| 安装类型 | PCB, Through Hole |
| 接触镀层 | Tin |
| 安装样式 | Through Hole |
| 端接样式 | PC Pin |
| 板面高度 | 0.156" (3.96mm) |
| 触点数 | 2 |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 类型 | Insulated PC Coin Cell Clip |
| 样式 | Retainer |
| 电池系列 | 2016 |
| 电池规格 | Coin, 20.0mm |
| 电池类型与功能 | Coin Cell, Retainer |
| 附带电池数量 | 2 |

## 数据手册

- [Datasheet](http://www.keyelco.com/product.cfm/Thru-Hole-Mount/3021/product_id/736)
- [Coin Cell Holders THM, SMT](http://www.keyelco.com/userAssets/file/M60-2p4.pdf)
- [Datasheet](http://www.mouser.com/catalog/specsheets/3021.pdf)

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/3021`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/keystone-electronics/3021/gr1mEyVr?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)