Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Littelfuse P4SMA15CA
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
20
specifications
Core information
- Product name
- Littelfuse P4SMA15CA
- Type
- LITTELFUSE
- Unit
- Electronic Component
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- Electronic Component
- LITTELFUSE
- Electronic Component
- P4SMA15CA
- Electronic Component
- 1
- Package
- DO-214AC
- Electronic Component
- Electronic Component
- Type
- TVS
- Electronic Component
- ESD and Surge Protection (TVS / ESD)
- Electronic Component
- 0.124g
- Electronic Component
- 1
- Electronic Component
- BM0000631863
- Operating Temperature
- 65℃~+150℃
- Voltage
- 21.2V
- Electronic Component
- IEC 61000-4-4；IEC 61000-4-2
- Current(Ir)
- 1uA
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
P4SMA15CA 产品概述
一、产品简介
P4SMA15CA 是 Littelfuse Inc. 的一款高性能 TVS（二极管瞬态抑制器），它广泛应用于保护敏感电子元器件免受瞬态电压事件的损害。该产品采用 SMA（SMT）封装结构，具备极高的流行度和可靠性，适用于多种电子设备和电路的保护需求。
二、产品特性
电压特性：
- 反向断态电压（Vr）典型值为 12.8V，这意味着在正常工作条件下，P4SMA15CA 将有效地限制其反向电压在这一值之下。
- 击穿电压（Vbr）最小值为 14.3V，当电压超过此值时，器件将迅速导通，以保护连接的电路。
- 最大箝位电压（Vc）为 21.2V，表示在高峰脉冲电流条件下该器件能够承受的最大电压，确保在瞬态事件中稳定有效的保护作用。
抗脉冲能力：
- P4SMA15CA 在 10/1000µs 的脉冲情况下，电流峰值可高达 19.3A，且其峰值功率达到 400W，这使得该器件能够应对高能量的瞬态电压浪涌。
工作温度范围：
- 工作温度范围为 -65°C 至 150°C，这一广泛的温度范围让 P4SMA15CA 能够在极端环境条件下可靠运行。
安装与封装：
- 采用表面贴装型的安装方式，配合其 DO-214AC（SMA）封装形式，使得该器件能够适应现代电子设备的高密度集成需求，便于电路板的装配和焊接。
双向通道：
- 该器件为单通道双向设计，能够同时处理正负方向的瞬态电压，适用于多种电气应用场景，如钳位保护和电源反接保护。
三、应用场景
由于具备了诸多优秀的电气特性，P4SMA15CA 被广泛应用于下列领域：
通信设备： 如电话、调制解调器及网络路由器等设备，因其内部电路极为敏感，需要有效的瞬态电压保护。
消费电子： 在如电视、音响等现代消费电子产品中，P4SMA15CA 作为重要的保护元件，防止电涌对其内部电路造成的伤害。
工业设备： 在复杂电路环境下的工业设备中，能够保护设备免受高电压脉冲的影响，保证系统的正常运行。
汽车电子： 在汽车电子系统中，P4SMA15CA 提供了对数据总线、传感器和控制单元的保护，有效地隔离各种电气干扰。
四、总结
综上所述，Littelfuse 的 P4SMA15CA TVS 二极管以其优异的高压瞬态保护能力、宽广的工作温度范围以及体积小巧的封装形式，成为了现代电子设计中不可或缺的一部分。无论是在通信、消费电子、工业设备还是汽车智能化领域，P4SMA15CA 都展现出了卓越的性能，确保了设备在瞬态电压事件下的安全。
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.
