50PCS SMB TVS Diodes P6SMB16A 18A 20A Voltage Suppressor Pack
50PCS SMB TVS Diodes P6SMB16A 18A 20A Voltage Suppressor Pack
50PCS SMB Transient Voltage Suppressor (TVS) Diodes
Keep your electronic circuits safe from voltage spikes and surges with this bulk pack of 50 SMB-package Transient Voltage Suppressor (TVS) diodes. Compatible with popular part numbers including P6SMB16A, P6SMB16CA, P6SMB18A, P6SMB18CA, P6SMB20A, and P6SMB20CA, these components are ideal for engineers, hobbyists, and repair technicians who need reliable overvoltage protection in compact, surface-mount form.
Key Features
- Wide Compatibility: Supports both unidirectional (A) and bidirectional (CA) variants across 16V, 18V, and 20V ratings.
- SMB Package: Standard DO-214AA surface-mount footprint — easy to integrate into PCB designs and repair work.
- Transient Voltage Protection: Clamps fast transient voltage spikes to protect sensitive downstream components.
- Bulk Quantity: 50 pieces per pack — great value for prototyping, production runs, or stocking your component drawer.
- New Condition: Every diode is brand new, unused, and free from high-concern chemicals (RoHS-compliant materials).
- Voltage Regulator Type: Classified as a voltage regulator device for circuit design and BOM purposes.
Specifications
| Brand | NioCen |
| Package Type | SMB (DO-214AA) |
| Part Numbers | P6SMB16A, P6SMB16CA, P6SMB18A, P6SMB18CA, P6SMB20A, P6SMB20CA |
| Voltage Ratings | 16V, 18V, 20V |
| Quantity | 50 PCS |
| Condition | New |
| High-Concern Chemicals | None |
| Country of Origin | Made in Mainland China |
Who Is This For?
These TVS diodes are perfect for electronics engineers, PCB designers, hobbyist makers, and repair technicians. Whether you're designing a new board, restocking your workshop supplies, or protecting sensitive microcontrollers and ICs from electrostatic discharge (ESD) and voltage transients, this 50-piece pack has you covered at outstanding value.
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Frequently Asked Questions
Q: What is the difference between the P6SMB16A and P6SMB16CA TVS diodes?
A: The P6SMB16A is a unidirectional TVS diode, designed to clamp voltage transients in one polarity direction — ideal for protecting DC circuits. The P6SMB16CA is a bidirectional TVS diode that clamps transients in both directions, making it suitable for AC circuits or lines where voltage spikes can occur in either polarity.
Q: Are these SMB TVS diodes surface-mount compatible?
A: Yes. All diodes in this pack use the SMB (DO-214AA) surface-mount package, which is a widely supported footprint compatible with standard PCB reflow soldering processes. They are easy to place and solder on any SMB-footprint PCB pad.
Q: How many pieces are included in the pack?
A: Each pack contains 50 TVS diodes in total across the listed part numbers (P6SMB16A, P6SMB16CA, P6SMB18A, P6SMB18CA, P6SMB20A, P6SMB20CA). Please check the listing variant or seller notes for the specific distribution of part numbers within the pack.
Q: Are these diodes RoHS compliant?
A: Yes. The product data confirms no high-concern chemicals are present, indicating compliance with RoHS (Restriction of Hazardous Substances) directives commonly required for electronics components.