Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
ISOCOM IS281-4 IS281
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- ISOCOM IS281-4
- Type
- ISOCOM
- Unit
- Electronic Component
- Minimum package
- 2000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- ISOCOM
- Electronic Component
- IS281-4
- Electronic Component
- 1
- Package
- SOIC-16-175mil
- Electronic Component
- Transistor Output Optocoupler
- Electronic Component
- 0.445g
- Electronic Component
- 1
- Electronic Component
- 4us@2mA,100Ω
- Electronic Component
- BM0000641330
- Operating Temperature
- 55℃~+110℃
- Load Voltage
- 80V
- Type
- DC
- Output Current
- 50mA
- Output Type
- Photoelectric Transistor
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
IS281-4 产品概述
一、引言
IS281-4是由英国安数光（Isocom）生产的一款高性能光耦合器，其独特设计使其在多种应用场景中成为理想选择。作为一款晶体管输出光耦，IS281-4在信号传输过程中提供了卓越的电隔离性能，其电压隔离可达到3750Vrms，这对于许多工业和消费类电子设备都是一项重要的参数。
二、基本参数
- 通道数：IS281-4具备4个独立的通道，能够满足复杂系统中多个信号传输的需求，从而提高系统的集成度和灵活性。
- 电压隔离：其电压隔离能力为3750Vrms，确保信号的干扰和噪声得到有效隔离，为客户提供高可靠性的数据传输体验。
- 电流传输比：电流传输比具有广泛的范围，在5mA的条件下，最小值为50%，最大值可达600%，使得设备能够在不同负载条件下灵活应对。
三、性能特点
- 上升/下降时间：IS281-4的上升和下降时间典型值为3µs和4µs，确保迅速的信号响应时间，适合动态信号处理的需求，这一性能在高速数字通信和控制系统中尤为重要。
- 输出能力：该光耦的最大输出电压为80V，输出电流每通道最高可达到50mA，能够驱动多种外部负载，这为设计人员提供了更大的设计灵活性。
- 正向电压：其正向电压（Vf）典型值为1.2V，而最大正向电流（If）为50mA，符合大多数在电源和信号应用中的需求。
- 饱和压降：Vce饱和压降最大为400mV，能够在负载运行正常情况下保持较低的功耗，有效提升系统的耗能表现。
四、工作环境
IS281-4的工作温度范围广泛，从-55°C到110°C，支持其在极端环境下的应用，适用性极佳，特别是在高温或低温的工业场合。此外，作为表面贴装型组件，SOP-16封装的小型设计使其能够方便地集成到多种PCB设计中，且占用空间小，有助于产品的小型化。
五、应用领域
IS281-4的产品特性使其在多个应用领域中表现出色，主要包括：
- 工业自动化：在各种自动化设备中执行信号隔离与传输的任务，保障设备间的信息交互。
- 医疗设备：在一些关键传感器和读数设备中，确保设备的安全性与准确性，避免可能的电击风险。
- 消费类电子：广泛应用于电子开关、遥控设备以及智能家居产品中，提升用户的操作体验和系统的稳定性。
- 通信系统：在高速的数据传输系统中保证信号的完整性和抗干扰能力，确保信息的准确传递。
六、总结
总之，IS281-4作为一款高可靠性的光耦合器，凭借其优异的性能和广泛的应用范围，成为了多种电子系统设计中的理想选择。无论是在工业、医疗还是消费类电子领域，IS281-4都提供了理想的解决方案，帮助工程师和设计人员有效解决隔离和信号传输问题，从而提升其产品的竞争力。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
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.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
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.
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
Packaged components ready for RFQ.
1 Piece BGA Integrated Circuit Chipset MN864739 CXD90061GG CXD90062GG PS5 QFN-80
- Model
- MN864739
- Package
