The SMBJ24CA is a commonly used bidirectional TVS diode, primarily used to quickly clamp voltage during overvoltage events and safely release transient energy, thus protecting sensitive downstream circuitry from impact.
As an industry-standard model, the SMBJ24CA is widely used across different brands. So, what issues should be considered when selecting and purchasing it? Why can Semiware's products replace Littelfuse and Vishay?
🔋 SMBJ24CA Electrical Specifications
| Parameter | Value |
| Reverse Standoff Voltage (VRWM) | 24V |
| Breakdown Voltage (VBR) | 26.7V-29.5V |
| Clamping Voltage (VC) | 38.9V |
| Peak Pulse Power (10/1000 μs) | 600W |
| Package | SMB / DO-214AA |
| Polarity | Bidirectional |
| Operating Temperature | -55°C to +150°C |
| Brand | Semiware |
🔋 SMBJ24CA Key Advantages
- Bidirectional Surge Protection
Protects sensitive circuits by clamping both positive and negative voltage transients. - High Energy Absorption
Can safely dissipate up to 600W peak pulse power (10/1000 μs waveform), handling lightning strikes and power spikes. - Fast Response to ESD and Transients
Nanosecond-level reaction quickly clamps overvoltages, preventing damage and signal disruption. - Durable, High-Temperature Package
SMB (DO-214AA) surface-mount package operates reliably from -55°C to +150°C. - Low Clamping Voltage
Maintains minimal voltage stress on protected components during transient events. - Assembly-Friendly Design
Compatible with automated SMT production for high-volume manufacturing. - RoHS Compliant, Lead-Free
Meets international environmental standards for safe and sustainable use.
📌 SMBJ24CA Replacement with Semiware Components
In many designs, engineers may specify the use of SMBJ24CA devices from brands such as Littelfuse, Vishay, or Diodes Incorporated.
Semiware's SMBJ24CA devices are designed to meet industry standards and can replace the following products: 👇
🔹 Littelfuse SMBJ24CA
🔹 Vishay SMBJ24CA
🔹 Diodes Incorporated SMBJ24CA
🔹 Other brands in the same SMBJ24CA series
👉 If you want to verify parameter matching for a specific application or need assistance in selecting a suitable alternative device, please contact us. 📩[email protected]
Our technical team can help you match or cross-reference the correct SMBJ series alternative devices.
✔️ SMBJ24CA Typical Applications
- Industrial Automation: Protects PLCs, motor drives, sensors, and other 24V control circuits from ESD and surge events.
- Automotive Electronics: Safeguards 24V vehicle systems such as ECU inputs, lighting circuits, and infotainment interfaces.
- Power Supply Lines: Ideal for 24V DC power rails in industrial equipment, machinery, and control panels.
- Communication Interface: Protects signal lines like RS-485, CAN bus, and other low-voltage data connections.
- Battery-Powered Equipment: Provides transient protection for portable 24V devices, UPS modules, and energy storage systems.
‼️ Procurement and Supply Advantages
Why Choose Semiware as Your SMBJ24CA Alternative?
Semiware is a direct manufacturer of TVS diodes, enabling us to provide reliable guarantees in terms of supply stability, price control, and quality.
1️⃣ What Procurement Problems Can We Solve?
Whether you're in the early evaluation stage or already in mass production, we can assist you with:
- Supporting the complete procurement process from sample application to trial production to mass production.
- Using the same specifications and the same factory avoids the risks associated with repeatedly changing suppliers.
- Especially suitable for projects requiring continuous supply or repeat orders.
- Stable production capacity and controllable delivery times.
2️⃣ The entire production process is controlled:
- Unified production and testing standards.
- Electrical performance meets industry standards.
- Providing batch traceability to support customer quality audits and long-term project management.
3️⃣ Semiware can help you safely replace original brand materials:
- Supporting cross-referencing and substitution verification with brands such as Littelfuse and Vishay.
- Assisting in confirming the matching of key parameters based on the customer's BOM and application scenario.
- Customized silkscreen printing, packaging methods, or supply arrangements are available upon request.
Our Factory
👉 If you are looking for a long-term factory-type supplier for SMBJ24CA, or wish to replace existing brands and reduce procurement costs, Semiware can provide you with a stable supply and competitive solutions.
SMBJ24CA datasheet pdf download: https://en.semiware.com/uploads/datasheet/SMBJ24CA.pdf
Feel free to contact us directly for specification confirmation, sample support, or benchmarking and alternative suggestions.
🔗 Related Products
❓ Frequently Asked Questions (FAQs)
Q: Can Semiware's SMBJ24CA replace Littelfuse or Vishay SMBJ24CA?
Yes. Semiware’s SMBJ24CA is designed to meet industry-standard electrical specifications and can be used as a drop-in replacement for SMBJ24CA parts from Littelfuse, Vishay, and other major brands.
Key parameters such as VRWM, VBR, clamping voltage, peak pulse power, and package type should be confirmed for the specific application.
Q: Is Semiware a manufacturer or a distributor?
Semiware is a direct manufacturer (factory) of TVS diodes. Of course, we have agents in many countries such as India, South Korea, Turkey, and Brazil.
Q: Does Semiware support sample and small-batch trial orders?
Yes. Semiware supports sample orders and trial production before mass production.
Q: How stable is the supply for long-term or repeat orders?
As a factory, Semiware is directly responsible for production planning and inventory management.
Q:Can Semiware provide assistance with cross-references or Bill of Materials (BOM) matching?
Yes. If you can provide the original brand and part number, our technical team can help you verify parameter compatibility and recommend the most suitable alternative.
Q: How can I request specifications, samples, or confirmation of alternative products?
You can contact us directly for datasheets, samples, or assistance with cross-reference alternative products.
Our team will provide full support from evaluation to mass production.
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