Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Available for RFQ
Technical data
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
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。
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:
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。
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。
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。
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。
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:
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:
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
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
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.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products