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BAS21 是由 Nexperia USA Inc. 生产的一种高性能开关二极管,专为需要高频和高效能的电子应用而设计。该二极管具有极低的正向压降和反向恢复时间,适合于小信号整流、开关应用及多种信号处理场合。
日常应用: BAS21 的最大平均整流电流为 200mA,这使其在多种电子电路中表现出色,特别是小信号整流和开关电路。
电压能力: 该二极管的最大反向电压 (Vr) 为 200V,这意味着它可以在较高电压环境中安全工作,适合多种电源管理和信号处理应用。
速度: BAS21 的小信号响应非常出色,具有小于等于 200mA 的电流,可以满足高速开关的需求,具有出色的时间特性,反向恢复时间仅为 50ns。
低泄漏电流: 在高达 200V 的反向偏置电压下,BAS21 的反向泄漏电流仅为 100nA,这对于需要极低漏电流的应用尤为重要。
工作温度: BAS21 具备广泛的工作温度范围,结温可达到最大 150°C,使其适合于严苛环境下的应用。
封装形式: BAS21 采用 SOT-23 封装,体积小、重量轻,非常适合现代电子产品对小型化及轻量化的需求。
BAS21 二极管广泛应用于各种电子电路中,特别是在以下几个方面表现突出:
开关电路: 由于其快速的开关特性和较小的正向压降,BAS21 十分适合用于频繁切换的电路中,如开关电源和脉冲信号处理电路。
整流电路: 在小信号整流应用中,BAS21 提供高效的整流性能,其低正向压降确保了电源的高效能和稳定性。
信号处理: 在 RF 应用中,BAS21 由于其低电容和快速响应能够有效处理高频信号,同时降低失真。
线性应用: BAS21 也可以用于线性电路中,通过适当的设计,其特性可以实现优越的线性表现。
BAS21 的设计充分考虑了现代电子设备对效率、稳定性以及尺寸的要求:
在选择二极管时,BAS21 的高电压、高电流、低泄漏和小封装特性使其成为多种应用的理想选择。如果您的项目需要处理高频信号或设计高效的电源管理系统,BAS21 是值得推荐的组件。
总的来说,BAS21 以其先进的技术和出色的性能,成为当今电子设计中不可或缺的重要元器件之一,无论是在消费电子、工业设备还是通讯工具中都展示了出色的应用潜力和可靠性。
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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.
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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.
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The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
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