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.
SMF12A 是一款高性能的瞬态电压抑制二极管(TVS Diode),专为保护敏感电子器件免受电压浪涌和瞬态过电压影响而设计。作为二极管中常用的一种,SMF12A 具有单向通道特性,能够有效地将过电压限制在安全范围内,从而保护接入的电子元件不受损坏。此产品广泛应用于通信设备、工业控制、消费电子及其他需要电源保护的场合。
极性: SMF12A 为单向二极管,适用于需要反向电压保护的电路设计。
击穿电压: Minimum breakdown voltage is 13.3V, which ensures that the diode remains non-conductive under normal operating conditions but will activate during an over-voltage situation.
反向关断电压: The typical reverse stand-off voltage is 12V, which marks the maximum direct voltage that can be applied to the diode without experiencing conduction.
箝位电压: This device exhibits a clamp voltage of 19.9V while conducting a peak pulse current, ensuring excessive voltages can be suppressed to a safe level.
峰值脉冲电流: Capable of withstanding a peak pulse current of up to 10.1A for a duration of 10/1000µs, the SMF12A offers robust performance under transient conditions.
功率: This device can handle a peak power dissipation of 200W during transient events, making it suitable for environments with abrupt electrical surges.
封装类型: SMF12A 采用 SOD-123F 封装,具有较小的尺寸和优良的表面贴装特性,便于高密度电路板的布局。
SMF12A 适用于多种应用场合,包括但不限于:
SMF12A的工作温度范围非常广泛,从 -55°C 到 150°C(TJ),确保其在极端条件下的工作稳定性和可靠性,适应多种环境的需求。这使得它在高温或低温条件下都能表现出色。
电压抑制性能良好: SMF12A 的优良瞬态响应时间和稳定的击穿电压,确保了在实际应用中能迅速反应,对瞬态过压进行有效压制。
适应性强: 适用于多种电气环境及电路规范,兼容性好,使其在多种产品线得以广泛应用。
优质制造: Littelfuse 高品质的制造工艺和严格的品质控制,使得每个 SMF12A 的性能都是可靠的保证。
综合来看,SMF12A 是一款拥有多项优良性能的瞬态电压抑制二极管,专为提供卓越的电源保护而设计。其广泛的工作温度范围,出色的瞬态响应能力,和高的峰值功率使其成为现代电子设备中不可或缺的保护元件。无论是在工业设备、通信系统还是消费电子产品中,SMF12A 都能提供可靠且高效的过电压保护,对延长设备使用寿命和提高系统可靠性具有重要的意义。
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