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PK0608-471MB是顺翔诺(SXN)品牌推出的一款非屏蔽插件功率电感,属于小功率电路常用的储能/滤波元件。型号命名中:
该电感采用径向引线插件封装,适配手工焊接、波峰焊等常规工艺,适合原型开发、中小批量生产及DIY场景。
作为功率电感的核心指标,其参数直接决定适用场景:
电感量为470μH,精度±20%(即实际电感量范围为376μH~564μH)。该精度满足多数小功率电路的滤波、储能需求,无需过度追求高精度的场景(如精密仪表)可优先选择。
额定电流为300mA,指电感长期稳定工作时允许通过的最大直流电流。若电流超过此值,磁芯会进入饱和状态,电感量急剧下降(可能降至原数值的1/3以下),导致电路输出波动甚至元件损坏。
线圈导线的直流电阻为1.8Ω,是影响电感功耗的关键参数。以额定电流300mA计算,其功耗仅为 ( I^2R = 0.3^2 \times 1.8 = 0.162W ),发热低、效率高,适合对功耗敏感的小功率电路。
无屏蔽罩设计(非屏蔽电感),虽对外辐射电磁干扰(EMI)略高于屏蔽型,但体积更小、成本更低。
采用开放式铁氧体磁芯,无金属屏蔽罩包裹,因此:
引线为径向对称设计,插入PCB焊盘后垂直固定,具有:
PK0608-471MB因体积小、功耗低,广泛用于以下场景:
必须确保电路工作电流≤300mA,若需更高电流(如500mA),需替换为额定电流≥500mA的同电感量产品(如PK0608-471MC)。
非屏蔽结构不适合EMI要求高的设备(如蓝牙耳机、医疗监护仪),需选择带屏蔽罩的电感(如屏蔽型插件电感)。
常规工作温度为-40℃~85℃,若环境温度超过85℃(如高温车间),需增加散热措施或选择耐高温电感。
顺翔诺(SXN)是国内专注于电感研发生产的企业,产品符合GB/T 10191-2008《电子变压器和电感器 通用规范》,批量供货稳定,性价比高于进口同规格产品。该电感通过常规可靠性测试(高低温循环、振动测试),适合中小电子企业、DIY爱好者及教育实验使用。
综上,PK0608-471MB是一款高性价比的小功率插件功率电感,在电流、体积、成本之间实现平衡,适合多数非精密小功率电路的储能与滤波需求。
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