Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
YONGYUTAI CD4148WTP
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- YONGYUTAI CD4148WTP
- Type
- YONGYUTAI
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- YONGYUTAI
- Electronic Component
- CD4148WTP
- Electronic Component
- 1
- Package
- 0603
- Electronic Component
- Switch Diode
- Electronic Component
- 0.03g
- Electronic Component
- 1
- Electronic Component
- BM0225825595
- Current
- 150mA
- Diode
- Electronic Component
- Current(Ir)
- 5uA@75V
- (Vf)
- 1.25V@100mA
- Power Dissipation(Pd)
- 200mW
- Electronic Component
- 55℃~+150℃@(Tj)
- Electronic Component
- Electronic Component
For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.
CD4148WTP（0603）产品概述
一、产品简介
CD4148WTP 是永裕泰（YONGYUTAI）推出的一款微型开关二极管，采用0603（1608公制）表面贴装封装，属于独立式开关/整流二极管。器件针对高密度贴片电路与高速信号切换场景优化，体积小、响应快，适合移动设备、通信模块与各种消费类电子产品中做信号整流与保护使用。
二、主要参数与电气特性
- 直流反向耐压（Vr）：75 V
- 正向电压（Vf）：1.25 V @ 100 mA
- 额定整流电流：150 mA（连续）
- 非重复峰值浪涌电流（Ifsm）：800 mA（瞬态脉冲）
- 反向电流（Ir）：5 μA @ 75 V
- 反向恢复时间（Trr）：4 ns（快速恢复，适合高频开关）
- 最大耗散功率（Pd）：200 mW
- 工作结温范围（Tj）：-55 ℃ 至 +150 ℃
这些参数表明 CD4148WTP 在中低电流、较高反压及快速开关场景表现良好，反向泄露小、恢复时间短，兼顾速度与耐压。
三、热特性与封装注意事项
0603 超小封装热阻相对较高，器件Pd仅200 mW，实际允许通过的连续电流受限于PCB铜箔面积与散热条件。例如在100 mA、Vf≈1.25 V 时器件功耗约125 mW，接近额定耗散，需在布局时考虑加大焊盘铜箔或接地/散热层以降低结温。推荐采用标准0603贴片工艺并参考厂商回流焊工艺，避免长时间超过额定结温以保证可靠性。
四、典型应用场景
- 高频信号开关与整流（逻辑电平切换、脉冲整流）
- 保护电路（反向保护、瞬态钳位）
- 小功率整流与混合信号路径（通信模块、传感器接口）
- 高频检测与采样保持电路中作为快速恢复整流单元
五、设计与选型建议
- 若电路常态工作电流接近或超过100 mA，应评估PCB散热能力或选用更大封装/更高Pd的器件。
- 对于需要更低正向压降或更高电流承载能力的场合，考虑同类更大封装或功率规格更高的型号。
- 非重复浪涌Ifsm可承受800 mA瞬态脉冲，但不宜作为替代连续大电流保护元件；用于浪涌防护时应配合限流或熔断器等措施。
- 在高速开关应用中，4 ns 的反向恢复时间能满足多数数字与射频外围的开关速率要求，但对极高频或极低失真要求的场合需验证实际性能。
总体而言，CD4148WTP（0603）是一款兼顾体积与速度的通用开关二极管，适合高密度电路板上的信号级整流与保护应用。购买与设计时请结合PCB热设计与实际工作条件进行评估。
Request for quote
Send RFQ
Use the form for single models, category sourcing, and multi-line BOM requirements.
Product sourcing intelligence
Model, package, availability, and BOM fit reviewed before quotation.
WMSIC turns product data, package visuals, BOM context, and sourcing signals into practical RFQ notes for buyers.
BOM matching & alternatives
BOM lines are compared by package, parameters, quantity, and workable alternatives for cleaner sourcing decisions.
Sourcing availability signal
Stock routes, quotation confidence, lead-time notes, and shipment feasibility are checked before sales follow-up.
Buyer sourcing scenarios
Examples of how common component sourcing requests are organized.
Typical RFQ scenarios based on the WMSIC form fields, catalog data, manual review steps, and shipment preparation workflow.
The buyer shares the full part number, package requirement, quantity, destination, and available product photos so the quotation can record the exact version under review.
A multi-line BOM is organized into direct sourcing lines, lines that need package clarification, and lines where alternative-part review is permitted.
The original manufacturer part number, datasheet revision, application, critical limits, and acceptable changes are collected before possible candidates are discussed.
Sample quantity, minimum packing, package format, target date, and courier destination are kept together in one RFQ conversation.
Package photos, model markings, board context, and the quantity needed for repair help focus the sourcing review on the relevant version.
When a suffix or package note is incomplete, the response records the open difference and requests buyer confirmation before procurement proceeds.
Packing format, carton notes, invoice details, courier option, destination, and tracking handoff are coordinated around the confirmed order.
The request connects the previously used model, current demand, package evidence, target timing, and replenishment sourcing route.
Related products
Packaged components ready for RFQ.
