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BOURNS SRP7050TA-150M
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- BOURNS SRP7050TA-150M
- Type
- BOURNS
- Minimum package
- 800 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- BOURNS
- Electronic Component
- SRP7050TA-150M
- Electronic Component
- 1
- Package
- SMD,7.3x6.6mm
- Electronic Component
- Power Inductor
- Electronic Component
- ±20%
- Electronic Component
- 1.6g
- Inductor
- 15uH
- Electronic Component
- 1
- Electronic Component
- BM0256952458
- Electronic Component
- AEC-Q200
- Current
- 3.5A
- Resistor(DCR)
- 81mΩ
- Electronic Component
- Electronic Component
- Electronic Component
- 800
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
SRP7050TA-150M 产品概述
一、主要参数
- 品牌：BOURNS
- 型号：SRP7050TA-150M
- 电感值：15 μH（±20%）
- 额定直流电流（Irms/Rated）：3.5 A
- 饱和电流（Isat）：6 A
- 直流电阻（DCR）：81 mΩ（0.081 Ω）
- 封装：SMD，外形约 7.3 × 6.6 mm
- 车规等级：AEC‑Q200
二、关键特性
SRP7050TA-150M 属于功率电感系列，针对开关电源与电源滤波场景设计。15 μH 的电感量适合较低频率的滤波或较高占空比的降压应用。较高的 Isat（6 A）保证在瞬态或短时过流下电感不过早饱和；额定电流3.5 A 表示在连续工作时应考虑热和损耗限制。81 mΩ 的 DCR 提示在中等电流下会产生明显的铜损，设计时需关注效率与热耗散。
三、典型应用
- 汽车电子 DC‑DC 降压模块（符合 AEC‑Q200 要求）
- 工业与通信电源滤波与储能回路
- 开关电源（同步/非同步降压转换器）中的储能元件
- 输入侧或输出侧低频噪声抑制与纹波滤波
四、选型与使用建议
- 电流与热管理：在额定电流 3.5 A 时，铜损 P = I^2·DCR ≈ 3.5^2×0.081 ≈ 0.99 W，建议在板上留有充分散热铜箔与过孔以降低结温；若期望更高效率或连续大电流，请考虑 DCR 更低或更大封装的器件。
- 饱和裕量：为避免工作点接近饱和，连续应用时建议预留 20–40% 的裕量（即长期工作电流低于 Isat）。短时峰值可接近 Isat。
- 纹波电流与磁损：高频开关时注意核心损耗，选择合适工作频率并参考厂商的磁性材料特性曲线（必要时向厂商索取详细 L‑ vs‑Id 曲线与损耗数据）。
- 容差影响：±20% 容差在滤波与谐振回路中会影响截止频率，若需严格频率响应请选用容差更严格的型号或通过电路调整补偿。
五、封装与可靠性
7.3×6.6 mm 的 SMD 封装适合自动贴装与回流焊；BOURNS 提供 AEC‑Q200 认证，满足汽车级可靠性与环境应力试验要求，适用于车载与高可靠性工业场景。装配时遵循厂商回流焊温度曲线，避免过度热循环影响磁性能。
六、PCB 布局与散热建议
- 将电感靠近开关管或稳压器的高电流回路处布置，缩短信号回路长度以降低 EMI。
- 底面放置宽铜箔并通过多个过孔连接到内部或底层散热平方，以提升热扩散能力。
- 输入和输出旁的去耦电容应尽量靠近电感与器件引脚，减少环路面积。
- 如需要进一步降低温升，可在电感周边保留间隙避免热聚集，并考虑强制风冷或更高散热能力的布局。
小结：SRP7050TA-150M 提供汽车级可靠性的功率电感解决方案，适用于需要 15 μH 量级且偶发大电流（最高接近 6 A）工作场景。选型时应兼顾 DCR 导致的功耗与热管理，合理布板与留有饱和裕量可确保长期稳定运行。
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