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SMF6.5CA是SHIKUES(时科)推出的一款双向瞬态抑制二极管(TVS),主打小封装、高可靠性和宽温适应能力,核心用于各类电子电路的过压浪涌防护,避免瞬态脉冲对敏感元器件(如MCU、传感器)造成不可逆损坏。
TVS的核心价值体现在对瞬态浪涌的快速响应和精准电压钳位,以下是SMF6.5CA的关键参数解读:
反向截止电压(Vrwm):6.5V
正常工作状态下,反向偏置时器件能承受的最大电压,此时TVS处于截止状态,漏电流极小,不影响电路正常运行。若电路工作电压为5V/3.3V等低电压,该参数可完美匹配。
击穿电压(Vbr):7.98V
当电路出现瞬态浪涌(如静电、电源尖峰),电压超过此阈值时,TVS迅速由截止转为导通,开启过压保护。该值略高于Vrwm,确保正常工作时不会误触发。
钳位电压(Vc):11.2V
浪涌脉冲作用下,TVS能将电路电压钳位到的最大安全值,是保护后端敏感元件的核心参数——若Vc过高,仍可能损坏元件;SMF6.5CA的11.2V可有效控制浪涌电压在安全范围内。
峰值脉冲电流(Ipp)与功率(Ppp)
反向漏电流(Ir):10μA
正常反向偏置(6.5V)时的漏电流,仅10μA,几乎不影响电路功耗,适合低功耗设计场景(如便携设备)。
工作温度范围:-55℃~+150℃
宽温范围覆盖工业级、汽车级等 harsh环境(如车载高温、户外低温场景),长期使用可靠性更高。
SOD-123FL封装为SMF6.5CA带来三大核心优势:
SMF6.5CA的参数特性使其适配多类电子设备的过压防护:
综上,SMF6.5CA是一款性价比高、适配性强的小封装TVS,适合对体积、宽温、浪涌防护有要求的各类电子设计。
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