WMSIC Electronic Components

TWGMC 1N4004

Model1N4004
PackageSMA(DO-214AC)
BrandTWGMC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
TWGMC 1N4004
Type
TWGMC
Minimum package
2000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
TWGMC
Electronic Component
1N4004
Electronic Component
1
Package
SMA(DO-214AC)
Electronic Component
General Purpose Diode
Electronic Component
0.116g
Electronic Component
1
Electronic Component
BM0221178873
Current
1A
Diode
Electronic Component
Current(Ir)
5uA
(Vf)
1.1V@1A
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component
Electronic Component
2000

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

1N4004 产品概述

一、基本介绍

1N4004 是一种广泛应用的通用二极管,属于 1N400X 系列,其主要特点包括较高的正向导通电压(1.1V@1A)、较大的反向工作电压(400V)和可靠的电流承载能力(最大1A)。该二极管采用 SMA(DO-214AC)封装,便于在众多电子设备中紧凑安装。作为电子元器件,1N4004 常用于整流、反向保护和信号处理等电路。

二、主要规格

  • 正向导通电压 (Vf): 约 1.1V,在 1A 的电流下测得。
  • 反向耐压 (Vr): 最大可达 400V,适合绝大多数中低压应用。
  • 反向泄漏电流 (Ir): 在 25°C 时,漏电流通常在 5μA 以下,具备良好的密封性和绝缘性。
  • 封装形式: SMA(DO-214AC),该封装具有较好的散热性能,适合面向高密度和高效率的电子应用。
  • 最大正向电流 (If): 1A,此参数使其适用于多种电流转化或保护应用场景。

三、应用场景

1N4004 的设计使其可以在各种电子电路中广泛使用,以下是一些典型应用:

  1. 整流电路: 通过将交流信号整流为直流,1N4004 常见于电源适配器、充电器和电源模块,确保后端电路获得稳定的直流电源。

  2. 逆向保护: 由于其优秀的耐压特性,1N4004 可以用作电路的反向保护二极管,保护重要元件不受反向电流的损害,避免了在接反电源时的潜在故障。

  3. 信号解耦和调制: 在一些模拟电路中,1N4004 和其他二极管一起使用,帮助实现信号的修整和调制。这对某些 RF(射频)应用尤其重要。

  4. 电压钳位保护: 1N4004 还可以用于钳位电路,其能够对电压峰值进行限制,防止超过特定阈值而导致其他元器件损坏,如电池充电器中的钳位保护功能。

四、性能特点

1N4004 不仅在其电气性能上表现出色,而且在环境适应性和热管理上也显示了其优势:

  • 温度范围: 该二极管可在宽温范围内可靠工作,通常从 -55°C 到 +150°C,适用于各种恶劣环境。
  • 热管理: SMA 封装提供了相对较大的表面面积,有助于散热,特别是在高功率应用中。

五、参考的替代产品

虽然 1N4004 在许多应用中都非常流行,但当特定电路需要不同规格的二极管时,可以考虑以下类似产品:

  • 1N4001: 最大反向电压 50V。
  • 1N4002: 最大反向电压 100V。
  • 1N4003: 最大反向电压 200V。
  • 1N4007: 最大反向电压 1000V,适合高压应用。

六、总结

综上所述,1N4004 是一个功能强大且应用广泛的通用二极管,其设计适合绝大多数中低压电源电路。无论是整流、逆向保护还是电压钳位应用,1N4004 都能提供稳定和可靠的性能。凭借其优秀的规格和坚固的结构,它仍然是许多电子设计中不可或缺的组件之一。使用 1N4004 将为电子工程师和电路设计师提供无忧的选择,确保其产品在性能和稳定性两方面均达到设计要求。

Request for quote

Send RFQ

Use the form for single models, category sourcing, and multi-line BOM requirements.

Send your target model and quantity.

Product sourcing intelligence

Model, package, availability, and BOM fit reviewed before quotation.

WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.

Electronic component model and package intelligence review on an ESD-safe inspection bench

Model & package intelligence

Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.

BOM matching and alternative component comparison workstation with protected IC samples

BOM matching & alternatives

BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.

Electronic component sourcing availability dashboard with ESD-protected samples

Sourcing availability signal

Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.

Buyer sourcing scenarios

Examples of how common component sourcing requests are organized.

Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.

The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.

Package confirmation Typical RFQ workflow

A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.

Mixed BOM triage Typical RFQ workflow

The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.

Obsolete-part review Typical RFQ workflow

Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.

Small-batch request Typical RFQ workflow

Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.

Repair batch evidence Typical RFQ workflow

When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.

Model suffix clarification Typical RFQ workflow

Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.

Export handoff Typical RFQ workflow

The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.

Replenishment inquiry Typical RFQ workflow

Related products

Packaged components ready for RFQ.