WMSIC Electronic Components

YLPTEC B1209S-3WR2 B1209S

ModelB1209S-3WR2
PackageSIP-4
BrandYLPTEC
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 26+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
YLPTEC B1209S-3WR2
Type
SIP-4
Minimum package
25 未知

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YLPTEC
Electronic Component
B1209S-3WR2
Electronic Component
1
Electronic Component
10.16mm
Package
SIP-4
Electronic Component
Isolated Power Supply Module
Electronic Component
3.424g
Electronic Component
19.65mm
Electronic Component
7mm
Electronic Component
1
Electronic Component
BM0264518693
Operating Temperature
40℃~+85℃
Switching Frequency
250kHz
Electronic Component
80mVp-p
Conversion
88%

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

B1209S-3WR2 产品概述

一、产品简介

B1209S-3WR2 是 YLPTEC(易川) 推出的高可靠性隔离型 DC-DC 转换器,专为分布式电源系统中需要产生一路与输入电源隔离的小功率电源场合设计。模块采用 SIP-4 封装,体积小巧(19.65 × 10.16 × 7 mm),可直接插装于标准印制板或插座,适用于工业级环境下长期稳定工作。

二、主要性能参数

  • 输出通道数:1 路
  • 输入电压范围(Vin):10.8 V ~ 13.2 V(典型 12 V 输入系统)
  • 输出电压(Vout):9 V
  • 输出功率:3 W(最大)
  • 输出电流(最大):333 mA
  • 转换效率:约 88%(典型条件)
  • 静态电流(空载输入电流):4 mA(典型)
  • 开关频率:250 kHz
  • 纹波噪声:约 80 mVpp
  • 最大容性负载:1000 µF
  • 隔离电压(Vrms):1.5 kV
  • 工作温度范围:-40 ℃ ~ +85 ℃
  • 封装:SIP-4
  • 外形尺寸:长 19.65 mm × 宽 10.16 mm × 高 7 mm

三、保护与可靠性

  • 短路保护:具备自动故障恢复功能。当输出短路或重负载发生时,模块进入保护状态并在故障解除后自动恢复输出,无需人工复位。
  • 隔离安全:输入与输出间电气隔离达到 1.5 kVrms,满足一般工业隔离要求,有助于信号隔离和系统安全设计。
  • 工况适应性:设计适用于工业级温度范围,抗冲击和振动能力良好,适合嵌入式与分布式电源场景长期使用。

四、典型应用场景

  • 分布式电源系统中需要隔离的小功率供电单元
  • 纯数字电路供电(MCU、FPGA 辅助电源)
  • 一般低频模拟电路(传感器前端隔离供电)
  • 继电器驱动电路或小功率执行器供电
  • 数据交换和通信接口隔离(串口、以太网隔离前端)
  • 其他需要隔离且功率在 3 W 左右的嵌入式或工控应用

五、安装与使用建议

  • 输入滤波:为保证稳定性并降低干扰,建议在输入端并联 10 µF-100 µF 的低 ESR 电解/固态电容和 0.1 µF 陶瓷旁路电容。
  • 输出电容:模块支持最大容性负载 1000 µF,但为保证瞬态响应和稳定性,建议结合系统需求选择合适 ESR 的电容(优先使用低 ESR 固态电容或混合方案)。
  • 散热与布局:模块自身功耗约为输入功率与输出功率差产生的热量。请在 PCB 设计时预留热扩散面积,避免旁近热源;在密集布板或高温环境下建议做必要的散热设计或降额运行。
  • 引脚定义与焊接:SIP-4 标准引脚请按照制造商数据手册焊接,推荐回流或波峰焊工艺参数与厂家手册一致以保证可靠性。
  • EMC/EMI:若系统对 EMI 敏感,建议在输入侧加入共模电感或差模滤波器,并适当布置接地屏蔽与走线,减少开关噪声对邻近电路的耦合。

六、典型电气特性与注意事项

  • 纹波与噪声:典型输出纹波约 80 mVpp,在精密模拟应用中可能需加线性后端滤波器以进一步降低噪声。
  • 效率与功耗:在中高负载条件下效率可达标称值(约 88%),低负载时转换效率下降但静态电流仅 4 mA,有利于系统待机功耗控制。
  • 负载与短路处理:模块具备自动恢复短路保护,但频繁或长时间短路会增加模块热应力,建议在系统层面增加熔断或限流措施作为冗余保护。
  • 热降额:在高环境温度或封闭空间内工作时,应考虑适当降额使用,以延长寿命并提高可靠性。

总结:B1209S-3WR2 是一款针对分布式电源和隔离供电场景设计的小型、高效率、带短路自动恢复保护的隔离型 DC-DC 模块。其尺寸小、效率高、空载功耗低、隔离等级高,适合嵌入式、工控与通信类设备中实现输入与输出电源隔离的需求。若需更详细的引脚定义、电气曲线或应用电路,请参考厂商完整数据手册或联系 YLPTEC 技术支持。

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