---
source: huluic.cn
data_as_of: 2026-09-20T22:05:49.899Z
max_staleness: 1h
cached: false
source_url: https://huluic.cn/product/ohmite/e300k8r0e/PzMDOWl0
---

# 元件详情：E300K8R0E

- **型号**: E300K8R0E
- **oneic 编号**: 239-E300K8R0E
- **厂商**: Ohmite Manufacturing Company
- **描述**: Wirewound Resistors - Chassis Mount 300watt 8ohm 10% RESISTOR POWER ADJ 8 OHM 300W Resistor; Fixed/Adjustable;8Ohms;Wirewound;Tinned Lug with Hole;300W;+/-10%;8.5I Wirewound Resistors 300watt 8ohm 10% Res Wirewound 8 Ohm 10% 300W ±400ppm/°C RDL Lug Bolt-On RESISTOR, POWER, 8 OHM, 300W, 10% Resistor; Wirewound; Res 8 Ohms; Pwr-Rtg 300 W; Tol 10%; Lug; Adjustable Tubular
- **分类**: 电阻器与电位器 / 底盘安装电阻 / 底盘安装电阻

## 规格参数

### 商业参数

| 参数 | 值 |
| --- | --- |
| 产品 | Power Resistors Wirewound Vitreous Enamel |
| 产品类别 | Wirewound Resistors - Chassis Mount |
| 标准包装数量 | 1 |

### 合规参数

| 参数 | 值 |
| --- | --- |
| RoHS | RoHS Compliant |
| 海关税号 | 85331000 |

### 电气参数

| 参数 | 值 |
| --- | --- |
| 容差 | 10 % |
| 电阻 | 8 Ohms |
| 量程（°/s） | :OHMITE - E300K Series |
| 功率（瓦） | 300W |
| 额定功率 | 300 W |
| 额定电压 | 49                                                                    VAC |
| 电阻值（欧姆） | 8 |
| 峰值脉冲功率 | 300                                                                    W |
| 电阻公差 | :± 10% |
| 基极电阻（R1） | :Wirewound |

### 机械参数

| 参数 | 值 |
| --- | --- |
| 长度 | 8.500" (215.90mm) |
| 重量 | 0.268 |
| 直径 | 1.126" OD, 0.748" ID (28.60mm x 19.00mm) |
| 包装方式 | Bulk |
| 端接方式 | Solder Lug |
| 基体材料 | :Ceramic |
| 安装类型 | Chassis Mount |
| 封装形式 | Radial, 3 Lead, Tubular |
| 冷却的封装 | Adjustable Tubular |
| 磁芯材质 | Wirewound |
| 尺寸/外形 | 28.58 mm Dia. x 215.9 mm L |
| 端接样式 | Solder Lug |

### 产品信息

| 参数 | 值 |
| --- | --- |
| 类型 | Corrib Adjustable Vitreous Enamel Power Resistors |
| 系列 | PFE |
| 调节方式 | Slide |

### 环境参数

| 参数 | 值 |
| --- | --- |
| 工作温度 | + 25 C to + 400 C |
| 温度系数 | 400 PPM / C |

## 数据手册

- [280 Series](http://www.ohmite.com/cat/res_280.pdf)

## 实时报价

> 报价接口（需 API Key）：`https://r.huluic.cn/v2/offers/E300K8R0E`

> 现货购买：[huluic.cn 产品页](https://huluic.cn/product/ohmite/e300k8r0e/PzMDOWl0?utm_source=huluic&utm_medium=md&utm_campaign=geo)

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数据来源：[huluic.cn](https://huluic.cn)