Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
YLPTEC B1205S-3WR2 B1205S
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YLPTEC B1205S-3WR2
- Type
- YLPTEC
- Minimum package
- 25 管装
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YLPTEC
- Electronic Component
- B1205S-3WR2
- Electronic Component
- 1
- Electronic Component
- 10.16mm
- Package
- SIP-4
- Electronic Component
- Isolated Power Supply Module
- Electronic Component
- 3.468g
- Electronic Component
- 19.65mm
- Electronic Component
- 7mm
- Electronic Component
- 1
- Electronic Component
- BM0264335057
- Switching Frequency
- 250kHz
- Electronic Component
- 80mVp-p
- Conversion
- 88%
- Output Power
- 3W
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
B1205S-3WR2降压型电源模块产品概述
一、核心功能与应用场景
B1205S-3WR2是一款单通道降压型DC-DC电源模块，专为12V系统（如工业控制、IoT终端、小型电子设备）的5V电源转换需求设计，额定输出功率3W，可稳定驱动600mA以内的负载。其适配10.8V~13.2V的宽输入电压范围，兼容12V电源的常规波动（±10%），无需额外稳压电路即可可靠工作。
该模块适用于多种场景：工业现场的温度/湿度传感器节点、智能家居中的智能开关/传感器、便携式设备的电源适配、嵌入式MCU的供电转换等。由于体积小巧、可靠性高，尤其适合空间紧凑且对电源稳定性要求较高的小型系统。
二、关键电气参数详解
核心参数覆盖输入输出、功率、效率等关键指标，具体如下：
- 输入特性：支持10.8V~13.2V宽电压输入（典型12V），空载输入电流仅4mA，待机功耗低，减少系统待机能量损耗；
- 输出特性：固定输出5V直流电压，最大输出电流600mA，额定功率3W，满足多数低功耗电子元件供电需求；
- 开关特性：采用250kHz高频开关设计，高频工作缩小模块体积，配合优化电路降低纹波噪声；
- 负载能力：最大兼容2400uF容性负载，适应后端大电容场景（如大容量滤波设备），提升负载稳定性。
三、物理特性与封装
B1205S-3WR2采用SIP-4单列直插封装，安装方式简单，适合插件式焊接，无需复杂贴片设备，降低应用门槛。
模块尺寸为19.65mm（长）×10.16mm（宽）×7mm（高），体积小巧，可轻松集成到紧凑设备内部（如小型控制器、传感器模组），不占用过多空间。
四、保护特性与可靠性
- 短路保护：内置短路保护功能，输出端短路时自动切断输出，避免模块或负载损坏，故障排除后可恢复工作；
- 电气隔离：具备1.5kVrms隔离电压，实现输入输出端隔离，防止高压侧故障（如过压、漏电）影响低压侧，提升系统安全性；
- 效率与散热：转换效率达88%，额定功率下发热低，无需额外散热片即可稳定工作，简化系统设计。
五、纹波与噪声表现
输出纹波噪声为80mVp-p，属于低纹波水平，可满足模拟传感器、通讯模块等对电源纯净度要求较高的场景，避免噪声干扰信号采集或传输，确保设备工作稳定。
总结
B1205S-3WR2降压模块凭借宽输入范围、高转换效率、短路保护、低纹波等特性，以及小巧的SIP-4封装，成为12V转5V/3W电源转换的可靠选择，适用于工业控制、IoT、小型电子设备等多领域，能有效简化系统电源设计，提升设备稳定性。
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.
