Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
Siproin SSP7903P33PR
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- Siproin SSP7903P33PR
- Type
- SIPROIN
- Minimum package
- 1000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 1.5V@(1A)
- Electronic Component
- SIPROIN
- Electronic Component
- SSP7903P33PR
- Electronic Component
- 1
- Package
- SOT-89-3
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.183g
- Electronic Component
- 1
- Electronic Component
- BM0219652663
- Operating Temperature
- 40℃~+85℃@(Ta)
- Operating Voltage
- 40V
- Output
- Electronic Component
- Output Voltage
- 3.3V
- Output Current
- 1A
- Output Type
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SSP7903P33PR 产品概述
一、产品简介
SSP7903P33PR 是一款高性能线性稳压器(LDO)，专为提供高精度、低噪声电源而设计。该器件的输入电压范围高达 40V，输出电流可达 1A，能够满足许多复杂电源设计的需求。它特别适用于需要稳定 3.3V 输出电压的各种应用场景，涵盖了从消费电子到工业设备等多个领域。该产品采用 SOT-89 封装，尺寸 compact，方便在紧凑的电路板设计中使用。
二、技术特点
高输入电压范围：SSP7903P33PR 的输入电压可高达 40V，使其适用于广泛的应用环境，能够处理多种输入电压情况。
高输出电流能力：最高支持连续输出电流为 1A，适合大多数中小功率的负载，确保电路稳定工作。
优越的噪声性能：具有高达 73.2 dB 的噪声抑制比 (PSRR) 在 10Hz 下，可有效过滤输入电源的高频噪声，提高了输出电压的稳定性和低噪声特性，适合对噪声敏感的应用。
二次元压差：在 3.3V 输出的情况下，低压差（Low Dropout）特性使其在输入电压仅比输出电压高出 1V 的条件下仍然可以提供稳定的输出，这在电池供电的产品中尤为重要。
三、典型应用
SSP7903P33PR 的应用领域非常广泛，以下是一些典型场景：
消费电子：如便携式设备、音频设备和手持式测量仪器等，这些设备通常需要一个低噪声且稳定的电源来确保性能。
工业设备：用于传感器、数据采集系统、嵌入式控制板等场合，对于系统的供电要求较高。
通信设备：用于路由器、交换机和其他网络设备中，保障信号的稳定传输和处理。
汽车电子：在车载电子模块中，由于其宽输入电压范围，能够适应车载电源的波动特性。
四、产品优势
易于集成：SOT-89 封装小巧，适合高密度电路设计，简化了硬件设计的复杂性。
温度特性良好：具有良好的热管理性能，适合在多种环境温度下稳定工作，进一步提高了产品的可靠性。
成本效益高：凭借出色的性能和较低的生产成本，为客户提供了性价比高的解决方案。
五、总结
SSP7903P33PR 是一款集成度高、性能优异的线性稳压器，特别适合需要稳定 3.3V 输出的应用。其超宽输入电压范围、高输出电流、低噪声特性和易于集成的优势，使其在众多电子设备中成为优秀的电源选择。在未来的设计中，SSP7903P33PR 可能会在提供能源管理解决方案中发挥更大的角色，满足日益增长的市场需求。无论是在消费电子、工业设备，还是汽车电子领域，SSP7903P33PR 都将继续展现出优良的性能与可靠性。
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.
