WMSIC Electronic Components

PANJIT 1N4148W_R1_000A7

Model1N4148W_R1_000A7
PackageSOD-123
BrandPANJIT
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 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
PANJIT 1N4148W_R1_000A7
Type
PANJIT
Minimum package
3000 圆盘

Technical parameters

Electronic Component
Electronic Component
Electronic Component
PANJIT
Electronic Component
1N4148W_R1_000A7
Electronic Component
1
Package
SOD-123
Electronic Component
Switch Diode
Electronic Component
0.02g
Electronic Component
1
Electronic Component
BM0264544564
Current
200mA
Diode
1
Current(Ir)
2.5uA@75V
(Vf)
1.25V@150mA
Power Dissipation(Pd)
410mW
Electronic Component
55℃~+150℃
Electronic Component
Electronic Component

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

1N4148W_R1_000A7 快速恢复开关二极管产品概述

一、产品基本信息

1N4148W_R1_000A7是PANJIT(强茂) 推出的高速开关二极管,属于其经典1N4148系列的贴片升级款。产品采用SOD-123 表面贴装封装,体积紧凑(约2.5mm×1.5mm×1.0mm),适配自动化SMT生产,广泛应用于消费电子、工业控制、汽车电子等领域的高速信号处理与保护场景。

二、核心电性能参数解析

该产品针对“高速开关+小功率稳定”设计,核心参数直接支撑其应用场景:

  • 正向压降(Vf):1.25V(@150mA)—— 导通电压损失适中,兼容3.3V/5V低电压系统,减少电路功耗;
  • 直流反向耐压(Vr):75V—— 可覆盖常规电路反向电压冲击(如电源尖峰),避免反向击穿;
  • 连续整流电流(If):200mA—— 额定连续工作电流,满足小功率信号整流、钳位需求;
  • 最大耗散功率(Pd):410mW—— 需注意负载控制,避免长时间高功耗导致结温过高;
  • 反向漏电流(Ir):2.5μA(@75V)—— 反向漏电流极低,提升电路静态稳定性(如低功耗待机场景);
  • 反向恢复时间(Trr):4ns—— 核心优势,快速恢复特性支持100MHz以上高频开关应用(如脉冲信号处理);
  • 非重复峰值浪涌电流(Ifsm):4A—— 可承受上电瞬间、静电放电等大电流冲击,增强电路可靠性;
  • 工作结温范围:-55℃~+150℃—— 宽温适配极端环境(如工业现场、汽车高温工况)。

三、封装与可靠性特点

SOD-123封装赋予产品以下优势:

  1. 高密度布局:体积仅为传统插件1N4148的1/5,适合小型化电子设备(如智能手环、微型传感器);
  2. 耐环境性:封装采用耐高温环氧树脂,结合宽温结温范围,可长期稳定工作在-55℃至150℃,无性能衰减;
  3. 焊接兼容性:适配回流焊、波峰焊工艺,焊接温度(≤260℃)、时间(≤30s)符合行业标准,不易出现虚焊。

四、典型应用场景

基于“高速、小功率、宽温”特性,该产品主要应用于:

  1. 微处理器I/O保护:如MCU、FPGA的端口钳位,防止静电(ESD)或过压损坏;
  2. 小功率开关电源续流:12V/24V小功率电源(如LED驱动、充电器)的续流回路,替代普通整流管提升效率;
  3. 射频信号检波:100MHz以下射频电路(如蓝牙、WiFi模块)的信号整流;
  4. 高速脉冲处理:编码器、光电传感器的脉冲信号整流(需快速响应的场景);
  5. 汽车电子辅助电路:车载传感器(如胎压监测)的信号保护、小功率控制电路(适应汽车-40℃~125℃环境);
  6. 消费电子滤波:手机、平板充电电路的纹波滤波,减少电磁干扰(EMI)。

五、选型与使用注意事项

为保障长期稳定,需注意:

  1. 电流降额:实际连续电流建议不超过150mA(75%降额),避免结温过高;
  2. 功耗控制:若工作电流接近200mA,需增加PCB焊盘面积(≥10mm²)辅助散热;
  3. 反向电压限制:直流反向电压不得超过75V,瞬态电压需控制在耐压范围内;
  4. 焊接规范:回流焊时避免局部过热,波峰焊需控制浸锡深度(≤1.5mm);
  5. 环境适配:环境温度>85℃时,工作电流需降至100mA以内,防止结温超150℃。

该产品以“高速+小功率+宽温”为核心竞争力,是替代传统插件1N4148、适配贴片化设计的理想选择,可满足多数中低端高速信号处理场景的需求。

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.