Model & package intelligence
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VISHAY 1N4148-TAP 1N4148
Configuration
1 options
Configuration
Date code within 2 years
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- VISHAY 1N4148-TAP
- Type
- VISHAY
- Minimum package
- 10000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- VISHAY
- Electronic Component
- 1N4148-TAP
- Electronic Component
- 1
- Package
- DO-35
- Electronic Component
- Switch Diode
- Electronic Component
- 0.15g
- Electronic Component
- 1
- Electronic Component
- BM0000279509
- Current
- 300mA
- Diode
- 1
- Current(Ir)
- 5uA@75V
- (Vf)
- 1V@10mA
- Power Dissipation(Pd)
- 500mW
- Electronic Component
- Electronic Component
- Electronic Component
- 10000
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
产品概述：1N4148-TAP
一、概述
1N4148-TAP是一款高性能的开关二极管，由VISHAY（威世）等知名品牌生产，广泛应用于各种电子电路中。该二极管凭借其优良的电气特性，成为了多种应用场景下的理想选择，尤其适合高频开关电路。1N4148-TAP的主要优势在于其稳定的反向耐压、极低的反向漏电流以及快速的反向恢复时间，使其在现代电子设备中有着广泛的应用。
二、关键参数
反向耐压（VR）: 1N4148-TAP的最大反向耐压为75V，这意味着在正常工作情况下，该二极管能承受的最高反向电压为75V。这一特性为设备提供了有效的过压保护，防止可能的电气击穿。
反向漏电流（IR）: 在20V的条件下，反向漏电流仅为25nA。这表明在没有信号传输时，1N4148-TAP的漏电流极低，从而减少了电路的功耗和能量损失，这对于静态电路尤其重要。
反向恢复时间（trr）: 该二极管的反向恢复时间为8ns，使其适合于高速开关应用。这一特性保证了在工作频率高达数百千赫甚至数兆赫时，二极管能够迅速完成电荷的去除，从而缩短了切换延迟，提升了电路的响应速度。
正向压降（VF）: 正向电流为10mA时，正向压降为1V，这一低压降特性有助于提升二极管效率，减少因压降引起的功耗。
平均整流电流（IF）: 该二极管在直流情况下的最高平均整流电流为300mA，支持多种应用需求，适合驱动小型负载或进行信号切换。
封装/外壳: 1N4148-TAP采用DO-35（DO-204AH）轴向封装，这种结构使得其在实际应用中具有良好的安装灵活性和稳定性，方便通孔安装。
工作温度范围: 工作温度范围为-65°C到150°C，使其能在各种严苛的环境下稳定工作，适用于汽车、工业控制及消费电子等广泛的应用场景。
电容特性: 在0V和1MHz下，其电容为4pF，此低电容特性使得该二极管在RF应用中表现良好，确保高频信号传输的稳定性和忠实度。
三、应用场景
1N4148-TAP广泛应用于以下领域：
数字电路: 用于逻辑电路的切换，保证信号快速传输，减少信号延迟。
信号调制解调: 由于其快速恢复特性，非常适合用于调制解调器等通信设备中。
开关电源: 在开关电源中作为整流器件，保证电源的稳定性。
音频电路: 应用于音频放大器和限幅电路中，改善音频信号的质量。
汽车电子: 用于汽车控制单元和各种传感器的电路中，以适应严苛的工作温度和环境要求。
四、总结
总体来说，1N4148-TAP是一款具有优良电气性能的高频开关二极管，适合于各种复杂的电子应用。其低漏电流、高反向耐压、快速反向恢复等特性，使其在高速电路中表现突出，成为了工程师和设计师们的首选组件之一。在不断发展的电子行业中，1N4148-TAP凭借其卓越性能，必将在未来的技术创新中继续发挥其重要作用。
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