Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
BELLING BL1117-33CX BL1117
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BELLING BL1117-33CX
- Type
- BELLING
- Minimum package
- 2500 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- 1.5V@(1A)
- Electronic Component
- BELLING
- Electronic Component
- BL1117-33CX
- Electronic Component
- 1
- Package
- SOT-223
- Electronic Component
- Linear Regulator(LDO)
- Electronic Component
- 0.281g
- Electronic Component
- 1
- Electronic Component
- BM69416108
- Operating Temperature
- 20℃~+125℃@(Tj)
- Operating Voltage
- 12V
- 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.
产品概述：BL1117-33CX 线性稳压器
一、产品基本信息
BL1117-33CX是一款由贝岭（BELLING）生产的线性稳压器，具有固定输出电压3.3V和最大输出电流1A的特点，封装形式为SOT-223。这款稳压器适用于为各类电子设备提供稳定的电压供应，确保在负载变化和输入电压波动的情况下，输出电压依然保持在规定的范围内。
二、产品功能
BL1117-33CX的主要功能是将不稳定的输入电压转换为稳定的输出电压，适合用作后端电源或模块中，以满足数字电路、模拟电路及其他需要稳定电源的应用需求。它内置短路保护、过热保护、过流保护等功能，提高了电路的可靠性和稳定性。
三、主要特性
固定输出电压：BL1117-33CX提供3.3V稳定输出，适合范围广泛的Low Dropout应用，特别是在低电压差条件下。
高输出电流：最大可提供1A的输出电流，满足大部分电子设备的供电需求。
封装形式：采用SOT-223封装，体积小、散热性能良好，适合于各种空间受限的应用场合。
宽输入电压范围：BL1117支持宽输入电压范围，通常为5V至15V，给设计人员提供了更大的灵活性。
低压差特性：该稳压器的低压差（Dropout Voltage）特性使其在输入电压接近输出电压时仍能正常工作，是动态负载应用中的理想选择。
简化设计：与其他稳压器相比，BL1117的外部元件需求较少，简化电路设计，提高了生产效率。
四、应用领域
BL1117-33CX稳压器在多个领域有着广泛的应用：
消费电子：如手机、平板电脑、数码相机等，保障供电的稳定性和可靠性。
工业设备：在各种工业控制系统中，为传感器、执行器等提供稳定的电源支持。
通信设备：如无线传输设备和基站，提升信号传输的质量和系统稳定性。
汽车电子：在汽车内各种电子系统中，实现供电的稳定管理。
嵌入式系统：适合在微控制器、FPGA、DSP等数字逻辑电路中实现电源管理。
五、选型建议
在选择BL1117-33CX作为电源管理解决方案时，设计工程师需考虑如下几点：
负载需求：确保1A的最大输出电流能满足负载的需求，过载可能导致稳压器过热或失效。
输入电压范围：确保输入电压未超过稳压器的额定范围，以防止损坏。
散热设计：根据负载功耗合理设计散热方案，确保LDO工作在安全温度下。
PCB布局：采用合适的PCB布局与接地方案，减少输出噪声，提高电路的稳定性。
六、总结
BL1117-33CX是一款高性能的线性稳压器，具有固定输出电压、低压差和高输出电流等特性，广泛适用于消费电子、工业设备、通信和汽车电子等领域。其小型化的SOT-223封装方便在各种应用场景中使用。结合其优良的电气性能和可靠性，BL1117-33CX成为设计工程师在电源管理中不可或缺的选择。
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
