Protect sensitive electronics with this 50-piece assortment of 100% original TVS diodes. This set includes SMAJ5.0A, SMBJ5.0A, SMBJ15A, and SMBJ18CA models, offering robust 400W to 600W surge protection for circuits from 5V to 18V. With low leakage currents as tight as 1.0uA, they provide reliable, high-performance clamping against transient voltage spikes. Features and Benefits
- 100% Original Components - Guaranteed authentic performance and reliable specifications for consistent circuit protection.
- Low Leakage Current (1.0uA typical) - Minimizes power loss and heat generation during normal operation, improving system efficiency.
- High Peak Pulse Power (400W-600W) - Robustly absorbs and dissipates large transient energy surges, safeguarding downstream components.
- Unidirectional Channel - Specifically designed to clamp voltage spikes in one polarity, ideal for DC power line protection.
- Assorted Voltage Ratings (5V, 15V, 18V) - Covers a range of common circuit voltages with one convenient purchase.
- Industry-Standard SMA/SMB Packages - Ensures easy compatibility with existing PCB footprints and automated assembly processes. Applications
- DC Power Supply Input Protection - Clamp voltage transients on the input rails of switch-mode power supplies and converters.
- Automotive and Industrial Electronics - Safeguard control units, sensors, and communication lines from load-dump and inductive switching spikes.
- Consumer Electronics and IoT Devices - Protect microcontrollers, data lines, and ports in smart home devices and embedded systems.
- Telecom and Network Equipment - Defend sensitive interfaces and power over Ethernet (PoE) circuits from electrostatic discharge (ESD). Note
This 50-piece assortment provides excellent value for professionals and enthusiasts, offering reliable protection for a wide range of projects without the premium cost of branded components.
Peak Pulse Power (P_PPM): 400 W, 600 W. Standoff Voltage (V_RWM): 5.0 V, 15 V, 18 V. Breakdown Voltage (V_BR): 6.4 V - 7.1 V (SMAJ5.0A/SMBJ5.0A), 16.7 V - 18.5 V (SMBJ15A), 20.0 V - 22.2 V (SMBJ18CA). Clamping Voltage (V_C): 9.2 V (SMAJ5.0A/SMBJ5.0A), 24.4 V (SMBJ15A), 29.2 V (SMBJ18CA). Configuration: Unidirectional. Maximum Reverse Leakage Current (I_R): 800 µA, 1.0 µA. Operating Temperature Range: -55 °C to +150 °C. Package: SMA, SMB. Part Numbers: SMAJ5.0A, SMBJ5.0A, SMBJ15A, SMBJ18CA. Part Quantity: 50 pcs. Part Type: TVS Diode. Peak Pulse Current (I_PP): 43.5 A (400W @ 10/1000µs), 65.2 A (600W @ 10/1000µs). Breakdown Voltage (Vbr): 6.4V min @ 5.0A part, 16.5V min @ 15A part, 19.9V min @ 18CA part. Clamping Voltage (Vc): 9.2V max @ 5.0A part, 24.4V max @ 15A part, 29.2V max @ 18CA part. Peak Pulse Power (PPP): 400W, 600W. Standoff / Working Voltage (Vrwm): 5.0V, 15V, 18V. Operating Temperature Range: -55°C to +150°C (inferred standard). Storage Temperature Range: -55°C to +150°C (inferred standard). Compliance: RoHS compliant (inferred standard). Junction Capacitance: Typically 50 - 1500 pF (inferred for SMB package). Maximum Reverse Leakage Current (Ir): 800 µA, 1.0 µA. Moisture Sensitivity Level (MSL): MSL 1 (inferred for hermetically sealed packages). Mounting Type: Surface Mount. Package Type: SMA, SMB. Peak Pulse Current (Ipp): 43.5A @ 400W 5V part, 24.6A @ 600W 15V part, 20.5A @ 600W 18V part. Product Type: TVS Diode (Transient Voltage Suppressor). Quantity: 50 pieces. Response Time: Typically <1.0 ps. Termination: Solderable leads. Unidirectional Channel: Yes. Q: What are the exact specifications and dimensions of these SMA and SMB TVS diodes? A: This 50-piece assortment includes SMAJ5.0A, SMBJ5.0A, SMBJ15A, and SMBJ18CA unidirectional TVS diodes. They are rated for 5V, 15V, and 18V clamping voltages with power ratings of 400W and 600W, and feature low leakage currents of 800uA and 1.0uA.. Q: How durable and reliable are these TVS diodes for circuit protection? A: These 100% original TVS diodes are designed for reliable over-voltage protection. They are built to withstand repeated transient voltage spikes, offering robust durability for safeguarding sensitive electronic components in your projects.. Q: Can I use these SMA and SMB TVS diodes for automotive or power supply applications? A: Yes, the SMBJ15A and SMBJ18CA diodes with their 15V and 18V ratings are commonly used for protecting 12V automotive systems. The full range of voltages makes them compatible with various DC power supplies and communication lines requiring surge suppression.. Q: Does this product come with any warranty or guarantee? A: Yes, this product is backed by a satisfaction guarantee. We ensure all components, including the SMAJ5.0A and SMBJ5.0A diodes, are 100% original and will perform to their specified ratings for reliable circuit protection.. Q: Is this 50-piece assortment of SMA and SMB TVS diodes a good value? A: Yes, this assortment offers excellent value for DIY enthusiasts and professionals seeking quality without premium brand pricing. It provides a versatile selection of common voltage ratings for various projects, delivering reliable performance for regular use..