Model & package intelligence
Model text, package form, tray or reel details, and visual evidence are reviewed together before RFQ feedback.
MDD SB1045L
Configuration
1 options
Configuration
26+
Available for RFQ
Technical data
Product details
19
specifications
Core information
- Product name
- MDD SB1045L
- Type
- MDD
- Minimum package
- 5000 圆盘
Technical parameters
- Electronic Component
- Electronic Component
- Electronic Component
- MDD
- Electronic Component
- SB1045L
- Electronic Component
- 1
- Package
- TO-277
- Electronic Component
- Schottky Diode
- Electronic Component
- 0.133g
- Electronic Component
- 1
- Electronic Component
- BM0219282422
- Current
- 10A
- Diode
- 1
- Current(Ir)
- 300uA@45V
- (Vf)
- 550mV@10A
- Electronic Component
- 55℃~+150℃
- Electronic Component
- Electronic Component
- Electronic Component
- 5000
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：肖特基二极管 SB1045L
一、产品简介
SB1045L 是一款高性能肖特基二极管，具有高度的效率、快速的反向恢复时间和较低的正向压降。此款二极管的额定电压为45V，最大连续工作电流可达10A，适用于各种电源管理和整流应用。采用 TO-277 封装，让其在空间和热管理方面表现出色。SB1045L 特别适合需要高频开关和高效率的电路设计。
二、主要特性
- 正向压降 (Vf)：在10A的负载条件下，正向压降为530mV，远低于传统二极管，这使得 SB1045L 可以在高负载情况下有效降低能量损耗。
- 额定电流 (If)：最大连续工作电流为10A，提供强大的输出能力，适合多种高电流应用。
- 反向漏电流 (Ir)：肖特基二极管的反向漏电流通常较高，但 SB1045L 经过优化设计，在适当的温度范围内保持较低的漏电流，确保高效能。
- 封装类型：TO-277封装，紧凑且拥有良好的热性能与散热能力，使其在空间有限的应用中脱颖而出。
三、应用领域
SB1045L 在多个领域有广泛的应用：
- 开关电源 (SMPS)：由于其快速的开关特性和低损耗特性，SB1045L 被应用于开关电源中，以提高系统的整体效率。
- DC-DC转换器：适用于降压和升压转换器中，为负载提供稳定的电流。
- 逆变器：在光伏逆变器、风能逆变器等可再生能源系统中，SB1045L 能够提高能量转换效率，降低热损耗。
- 电动工具和消费电子：提供快速整流和高效率转换，适合电动工具和各类消费电子产品。
- LED驱动电路：确保LED驱动电路在高功率应用时的稳定性和效率。
四、电气特性
以下是 SB1045L 的关键电气特性：
| 特性 | 参数 |
|---|---|
| 最大额定电压 (Vr) | 45V |
| 最大连续正向电流 (If) | 10A |
| 正向压降 (Vf) | 530mV @10A |
| 反向电流 (Ir) | 适于低漏电流 |
| 工作温度范围 | -55°C 至 +150°C |
五、设计考量
在进行设计时，需要注意 SB1045L 的散热管理，由于其在高负载情况下仍能保持相对较低的温度，但在极端条件下可能会导致过热，因此在设计电路时应考虑充分的散热措施。此外，SB1045L 的低逆向恢复时间，可以提高续流电流的稳定性，是在高开关频率下应用的重要特性。
六、总结
SB1045L 肖特基二极管凭借其低正向压降、高额定电流和良好的热管理性能，成为现代电子设计中不可或缺的元件之一。无论是在高效能的开关电源、逆变器，还是在各类消费电子产品中，其优越的性能都为设计师提供了可靠的解决方案。选用 SB1045L，助力您的设计在功率转化和效率提升方面取得更大的成功。
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.
