Automotive Grade 400 Watt Transient Suppression Diodes-SZSMF4L

The SZSMF4L transient suppression diode offers fast response time, low Zener impedance, high surge handling and excellent clamping capability to provide protection for these sensitive systems. Its low leakage current is also ideal for protecting sensors. Due to its small size, this diode is suitable for most automotive applications, especially vehicle electrification.

The SZSMF4L series is ideally suited for a variety of automotive electronics applications, including:

• Electric vehicle powertrains
• On-Board Charging (OBC)
• Battery Management System (BMS)
• Electric vehicle inverters
• Power Distribution Units (PDUs)
• Domain Controllers
• Zone Controller
• Body Control Modules
• Sensor protection requires low leakage current

With the megatrend of vehicle electrification and autonomous driving, transient diode miniaturization is becoming more and more important to automotive electronics engineers and PCB designers," said Charlie Cai, director of SBU, product marketing, Littelfuse. The automotive-grade SZSMF4L transient suppression diode saves space while providing greater flexibility, offering an ideal 400-watt solution in a small (SOD-123FL) transient suppression diode package with both unidirectional and bidirectional protection."

SZSMF4L series SMD TVS diodes have the following main features and advantages:

• The compact SOD-123FL package is compatible with automated PCB assembly processes
• It occupies about 40% less PCB space than previously available components
• Operating Peak Reverse Voltage Range: Unidirectional (5 to 78 V) and Bidirectional (10 to 78 V)
• low leakage current performance
• High operating temperature: up to 175°C

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