WMSIC Electronic Components

YLPTEC B0505S-1WR3 B0505S

ModelB0505S-1WR3
PackageThrough-hole
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 B0505S-1WR3
Type
YLPTEC
Minimum package
43 管

Technical parameters

Electronic Component
Electronic Component
Electronic Component
YLPTEC
Electronic Component
B0505S-1WR3
Electronic Component
1
Electronic Component
6mm
Package
Through-hole
Electronic Component
Isolated Power Supply Module
Electronic Component
1.95g
Electronic Component
11.6mm
Electronic Component
10.16mm
Electronic Component
1
Electronic Component
BM0257676997
Operating Temperature
40℃~+105℃
Switching Frequency
270kHz
Electronic Component
30mVp-p
Conversion
88%

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

B0505S-1WR3 产品概述

B0505S-1WR3 是 YLPTEC(易川)出品的一款单通道 1W 隔离型 DC-DC 模块,面向对体积、效率和隔离安全有要求的嵌入式和工业控制应用。该模块采用插件封装,尺寸紧凑,具备稳定的输出特性和完善的保护功能,适用于信号隔离、逻辑电源隔离和低功耗驱动等场景。

一、主要技术参数概览

  • 品牌:YLPTEC(易川)
  • 型号:B0505S-1WR3
  • 通道数:1
  • 输入电压范围(Vin):4.5V ~ 5.5V
  • 输出电压(Vout):5V
  • 输出功率:1W
  • 输出电流(最大):100mA
  • 转换效率:最高可达 88%(典型条件下)
  • 最大容性负载:2400 μF
  • 隔离电压(Vrms):3000V
  • 开关频率:270kHz
  • 纹波噪声(典型):30 mVp-p
  • 特性:短路保护(SCP)
  • 工作温度范围:-40℃ ~ +105℃
  • 尺寸(L×W×H):11.6 mm × 6.0 mm × 10.16 mm
  • 封装形式:插件(Through-hole)
  • 校验状态:校验通过

二、功能与特性亮点

  • 高隔离安全性:模块通过 3kVrms 隔离,适合需要地隔离、测量隔离或通信隔离的系统,能有效阻断共模干扰与地回路噪声。
  • 紧凑尺寸:11.6×6×10.16 mm 的小体积便于在密集 PCB 布局中节省空间,插件式封装便于焊接与更换。
  • 高效率与稳定输出:典型效率可达 88%,在 5V 输入/输出条件下可稳定提供最高 100mA 电流,适合驱动低功耗外围模块或作为隔离参考电源。
  • 大容性驱动能力:支持高达 2400 μF 的容性负载,适应需要较大输出电容滤波或驱动电容性负载的场合(注意采用合适的输出电容 ESR 以保证稳定)。
  • 可靠性与保护:内置短路保护,可在异常负载或短路情况下保护模块及上游电源,提高系统可靠性。宽温度范围 -40℃ 至 +105℃,适合工业环境。

三、典型应用场景

  • 信号隔离:传感器信号采集、模数转换前的前端隔离,防止地回路引入误差。
  • 通信接口隔离:隔离 RS-232/RS-485、CAN 总线等通信端口,提升系统抗干扰能力。
  • 工业控制:PLC、驱动器或控制板中为隔离放大器、光耦或小功率模块提供安全电源。
  • 仪器仪表:便携测量仪器、医疗检测中对安全隔离电源的需求场合(需配合系统级安全评估)。

四、设计与使用建议

  • 输入去耦:为保证稳定性并减小输入纹波,建议在模块输入端靠近模块焊盘放置低 ESR 电解或固态电容(例如 10 μF ~ 47 μF,依据具体电流与系统要求)。
  • 输出电容与稳定性:模块支持最大 2400 μF 的容性负载,但在选择大容量电容时应注意输出电容的 ESR 匹配,避免因过低 ESR 导致控制环路不稳定。若需更大滤波能力,可并联适当 ESR 的电容或加串联阻抗。
  • 散热与负载余量:尽管模块效率较高,但在满载或高环境温度下仍会产生热量。建议在高温或连续满载条件下适当降额运行(例如额定电流的 80% 以下),并保证周围有足够通风散热空间。
  • 布局注意事项:输入、输出走线尽量短且粗;地线分割清晰,隔离侧与非隔离侧地线保持独立,避免直接短接。为降低 EMI,可在输入输出端添加共模或差模滤波器件。
  • 短路保护行为:模块具备短路保护功能,通常在短路恢复后可自动恢复输出,但在系统设计中仍建议加上外部限流或熔断措施作为冗余保护。

五、可靠性与测试

B0505S-1WR3 的工作温度范围覆盖 -40℃ 到 +105℃,适合宽温应用;隔离等级 3kVrms 保证了足够的耐压裕量。出厂前通过电气性能校验(“校验通过”),在典型工作条件下具有良好的长期稳定性。实际应用中建议做环境应力与电气老化验证以满足特定行业标准。

六、选型与注意事项

  • 若系统输入电压波动较大或低于 4.5V,需要改用更宽输入范围的模块或增加稳压前端。
  • 对于更高输出功率或更高隔离等级的需求,可咨询供应商或参考 YLPTEC 的其他系列产品。
  • 系统级安全与 EMC 要求(尤其是医疗或轨道交通等领域)需按照相应规范进行整体设计与认证。

总结:B0505S-1WR3 是一款体积小、隔离强、效率高并具短路保护功能的 1W DC-DC 隔离模块,适合需要小功率隔离电源的工业与嵌入式应用。按上述建议合理布局与散热设计,能在苛刻环境中提供稳定可靠的隔离供电。

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