Overview
The 1SMB30CAT3G is a Transient Voltage Suppressor (TVS) diode manufactured by Littelfuse Inc. This component is designed to protect voltage-sensitive components from high voltage, high energy transients. It features excellent clamping capability, high surge capability, low zener impedance, and a fast response time. The 1SMB30CAT3G is part of the SMB series, which is known for its reliability and cost-effectiveness in various industrial and consumer applications.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Littelfuse Inc. |
| Part Number | 1SMB30CAT3G |
| Package | DO-214AA, SMB |
| Polarity | Bidirectional |
| Number of Channels | 1 Channel |
| Voltage - Working (VRWM) | 30 V |
| Voltage - Breakdown (VBR) | 33.3 V (Min) |
| Voltage - Clamping (Max) @ Ipp | 48.4 V |
| Peak Pulse Current (Ipp) | 12.4 A (10/1000µs) |
| Peak Pulse Power | 600 W |
| Capacitance @ Frequency | 555 pF @ 1 MHz |
| Power Dissipation | 3 W |
| Operating Temperature Range | -65°C to 150°C (TJ) |
| Mounting Type | Surface Mount |
| ESD Rating | Class 3 (> 16 kV) per Human Body Model |
Key Features
- Excellent clamping capability and high surge capability.
- Low zener impedance and fast response time.
- Bidirectional protection.
- Peak pulse power of 600 Watts.
- Low leakage current (< 5 µA above 10 V).
- Operates over a wide temperature range (-65°C to 150°C).
- Compact DO-214AA, SMB package for surface mount applications.
- UL 497B recognition for isolated loop circuit protection.
Applications
The 1SMB30CAT3G TVS diode is suitable for a variety of applications, including:
- Communication systems.
- Automotive systems.
- Numerical and process controls.
- Medical equipment.
- Business machines.
- Power supplies.
- General-purpose electronic circuits requiring transient voltage suppression.
Q & A
- What is the primary function of the 1SMB30CAT3G TVS diode?
The primary function is to protect voltage-sensitive components from high voltage, high energy transients. - What is the working peak reverse voltage (VRWM) of the 1SMB30CAT3G?
The VRWM is 30 V. - What is the peak pulse power rating of the 1SMB30CAT3G?
The peak pulse power rating is 600 Watts. - What is the clamping voltage of the 1SMB30CAT3G at peak pulse current?
The clamping voltage is 48.4 V. - What is the operating temperature range of the 1SMB30CAT3G?
The operating temperature range is -65°C to 150°C (TJ). - What type of package does the 1SMB30CAT3G come in?
The 1SMB30CAT3G comes in a DO-214AA, SMB package. - Is the 1SMB30CAT3G bidirectional or unidirectional?
The 1SMB30CAT3G is bidirectional. - What is the ESD rating of the 1SMB30CAT3G?
The ESD rating is Class 3 (> 16 kV) per Human Body Model. - What are some common applications for the 1SMB30CAT3G?
Common applications include communication systems, automotive systems, numerical and process controls, medical equipment, business machines, and power supplies. - Does the 1SMB30CAT3G have any certifications or recognitions?
Yes, it has UL 497B recognition for isolated loop circuit protection.
