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| Part Number: | BZV55B5V1 |
|---|---|
| Manufacturer/Brand: | Taiwan Semiconductor |
| Part of Description: | MMELF, 500MW, 2%, SMALL SIGNAL Z |
| Datasheets: |
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| RoHs Status: | ROHS3 Compliant |
| Payment: | PayPal / Credit Card / T/T |
| Shipment Way: | DHL / Fedex / TNT / UPS / EMS |
| Share: |
Ship From: Hong Kong
| Quantity | Unit Price |
|---|---|
| 1+ | $0.0601 |
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| Product Attribute | Attribute Value |
|---|---|
| Voltage - Zener (Nom) (Vz) | 5.1 V |
| Voltage - Forward (Vf) (Max) @ If | 1 V @ 100 mA |
| Tolerance | ±2% |
| Supplier Device Package | Mini MELF |
| Series | - |
| Power - Max | 500 mW |
| Package / Case | DO-213AC, MINI-MELF, SOD-80 |
| Product Attribute | Attribute Value |
|---|---|
| Package | Tape & Reel (TR) |
| Operating Temperature | -65°C ~ 175°C (TJ) |
| Mounting Type | Surface Mount |
| Impedance (Max) (Zzt) | 35 Ohms |
| Current - Reverse Leakage @ Vr | 100 nA @ 1 V |
| Base Product Number | BZV55B |




The BZV55B5V1, manufactured by Taiwan Semiconductor Corporation, is a precision Zener diode designed for surface-mount applications. Part of the Mini MELF (Metal Electrode Leadless Face) form factor lineup, this device is ideal for engineers seeking stable voltage reference or regulation in compact electronic systems. With its 5.1 V nominal Zener voltage and ±2% tolerance, the BZV55B5V1 targets tight regulation requirements while keeping PCB real estate and power consumption to a minimum. The device’s 500 mW power dissipation rating underscores its suitability for a range of signal-level protection or regulation tasks in modern electronic circuits.
Critical for product selection, the BZV55B5V1 Zener diode is rated for a nominal Zener voltage of 5.1 V, offering a precise voltage clamp with ±2% accuracy — an essential feature for precision voltage reference or regulation circuits. Its maximum power dissipation is specified at 500 mW, making it robust enough for signal-line protection yet efficient for low-to-medium power operations. This model’s electrical profile aligns well with applications requiring both accuracy and reliability in transient or steady-state environments. The diode structure also ensures strong reverse breakdown characteristics, helping maintain long-term stability.
The BZV55B5V1’s Mini MELF (SOD-80) surface-mount package provides a compact footprint with reliable mechanical stability. The SMD format not only streamlines automated assembly processes but also improves performance in high-density board layouts. For design engineers, the device’s physical package ensures compatibility with reflow soldering techniques and minimizes parasitic inductances, benefitting high-frequency and fast-switching environments.
The BZV55B5V1 finds widespread use as a voltage regulator, reference, and overvoltage protector in modern electronic circuits. Typical engineering scenarios include microcontroller voltage reference circuits, ESD (electrostatic discharge) protection for input/output lines, and signal-line regulation within analog and mixed-signal PCBs. Its precision tolerances and power rating make it a solid choice for sensitive analog front ends, communication equipment, and consumer electronics where stable low-voltage clamping is essential.
Engineers and procurement teams must ensure that the chosen diode meets stringent reliability and quality requirements. The BZV55B5V1 benefits from high manufacturing standards and is compliant with major industry certifications, underscoring its reliability for long-term product deployments. The device’s leadless surface-mount design minimizes mechanical stress and simplifies compliance with RoHS and other environmental regulations. These factors contribute to seamless production, testing, and logistics flow in quality-conscious industries.
For engineers evaluating alternatives or designing for future-proofing, it is essential to recognize Zener diodes from other reputable series with similar voltage, tolerance, power dissipation, and package characteristics. Models such as the BZX55C5V1 (in Mini MELF) and 1N4733A (500 mW, through-hole) are often considered, though variations in package type, tolerance, or regulatory compliance must be carefully checked. Always confirm equivalency in maximum power rating, nominal voltage, and surface-mount compatibility to avoid performance compromises.
: Choosing the BZV55B5V1 for Modern Designs
With its precise voltage rating, robust power handling, and compact Mini MELF surface-mount package, the BZV55B5V1 from Taiwan Semiconductor Corporation stands out as a dependable solution for modern circuit protection and voltage regulation needs. Procurement teams and design engineers will appreciate its quality pedigree, versatile applications, and broad compatibility with automated manufacturing processes, ensuring reliable integration into advanced electronic systems.
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BZV55B5V1Taiwan Semiconductor Corporation |
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