WMSIC Electronic Components

Jingdao Microelectronics SSL26F

ModelSSL26F
PackageSMAF
BrandElectronic
Price Price on request Electronic component prices change quickly with market supply and demand. Please refer to the latest WMSIC quotation for current pricing.
Configuration
1 options
Configuration 25+

Available for RFQ

Technical data

Product details

19 specifications

Core information

Product name
Electronic SSL26F
Type
Jingdao Microelectronics
Minimum package
3000

Technical parameters

Electronic Component
Electronic
Electronic Component
SSL26F
Electronic Component
1
Package
SMAF
Electronic Component
Schottky Diode
Electronic Component
0.055g
Electronic Component
1
Electronic Component
BM0265297819
Current
2A
Diode
Electronic Component
Current(Ir)
300uA@60V
(Vf)
520mV@2A
Electronic Component
55℃~+150℃
Electronic Component
3000
Voltage Rating(Vr)
60V
Surge Current (Ifsm)
50A

For datasheets, package documents, compatible-part guidance, or other technical resources, contact WMSIC customer service. Availability is confirmed case by case.

SSL26F 肖特基二极管产品概述

SSL26F是晶导微电子推出的独立式表面贴装肖特基整流二极管,针对中低压(≤60V)、中小电流(≤2A)场景的能效优化与可靠性需求设计,兼具低正向压降、高浪涌耐受、宽温工作等核心特性,广泛适配开关电源、适配器、工业控制等领域。

一、产品定位与核心优势

作为肖特基二极管的典型应用型号,SSL26F的核心优势围绕能效提升、可靠性保障、小型化适配三个维度展开:

  1. 低正向压降降低功耗:典型正向压降仅520mV(2A/25℃),比传统硅整流管低30%以上,2A负载下单管损耗约1.04W,可显著减少电源整体发热与能耗;
  2. 高浪涌耐受应对瞬态冲击:非重复峰值浪涌电流(Ifsm)达50A(8.3ms正弦波单次脉冲),能有效抵御电源启动、负载突变时的尖峰电流,降低器件损坏风险;
  3. 宽结温覆盖极端环境:工作结温范围为-55℃+150℃,适配工业级高低温波动(如-20℃+85℃现场环境),无需额外降额即可稳定工作;
  4. 小封装适配高密度设计:SMAF表面贴装封装体积紧凑,适合小型化产品(如手机充电器、微型电源模块)的PCB布局。

二、关键电气与物理参数

SSL26F的核心参数均经过严格测试验证,关键指标如下:

(一)电气参数

参数类型 指标值 测试条件 正向压降(Vf) 520mV(典型值) 2A正向电流、25℃结温 直流反向耐压(Vr) 60V(额定值) 最大反向电压 连续整流电流(If) 2A(额定值) 25℃环境温度 反向漏电流(Ir) 300μA(最大值) 60V反向电压、25℃结温 浪涌电流(Ifsm) 50A(最大值) 8.3ms正弦波、单次脉冲

(二)物理与环境参数

  • 封装类型:SMAF(表面贴装,JEDEC标准);
  • 封装尺寸:约2.7mm×1.7mm×1.0mm(长×宽×高);
  • 工作结温:-55℃~+150℃;
  • 存储温度:-65℃~+150℃(常规肖特基存储条件)。

三、封装与可靠性设计

SSL26F的可靠性设计针对封装散热、浪涌耐受、宽温稳定性三个重点优化:

  1. SMAF封装的散热优化:采用高导热封装材料,焊盘面积与芯片匹配,可有效降低热阻(约100℃/W),避免结温过高;
  2. 浪涌能力的芯片设计:通过优化芯片掺杂工艺与结构,提升芯片抗瞬态电流冲击的能力,确保50A浪涌下无击穿或性能衰减;
  3. 宽温下的漏电流控制:反向漏电流在150℃结温下仍保持较低水平(常规≤1mA),减少高温下的反向功耗,延长器件寿命。

四、典型应用场景

SSL26F的特性使其适配多类中低压整流场景,核心应用包括:

  1. 开关电源次级整流:DC-DC转换器(如12V转5V)、AC-DC适配器的次级整流/续流,低Vf提升转换效率(每只二极管可降低约0.5%~1%损耗);
  2. 小型家电电源:手机充电器、笔记本适配器、LED驱动电源的整流部分,SMAF封装利于缩小产品体积;
  3. 工业控制电源:PLC、传感器模块的辅助电源,宽温适配工业现场的高低温波动;
  4. 电池保护电路:便携式设备(如充电宝)的充放电保护,浪涌耐受应对插拔时的瞬态电流;
  5. 消费电子辅助电路:机顶盒、路由器的电源滤波与整流,满足小电流、低功耗需求。

五、选型与应用注意事项

为确保SSL26F的稳定工作,选型与应用需注意以下几点:

  1. 耐压匹配:实际应用中的最大反向电压需低于60V(建议留5%裕量,即≤57V),避免反向击穿;
  2. 电流裕量:连续负载电流建议不超过1.6A(降额20%),避免长期过热导致性能衰减;
  3. 散热设计:若负载电流≥1.5A,需在PCB上增加散热焊盘(面积≥10mm²),降低结温;
  4. 温区适配:若应用环境温度超过85℃,需进一步降额(每升高1℃,电流降额0.5%);
  5. 浪涌考量:若瞬态电流频繁超过50A,建议并联同规格器件或选用更高浪涌能力的型号。

总结

SSL26F作为晶导微电子的中低端肖特基二极管主力型号,在能效、可靠性、成本三者间实现了平衡,适合对性能要求适中、需小型化设计的中低压整流场景。其宽温、高浪涌特性尤其适合工业与消费电子领域的实际需求,是替代进口同规格产品的可靠国产选择。

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