MMBTRC120SS Overview
The MMBTRC120SS is a surface-mount transient voltage suppression (TVS) diode designed to protect sensitive electronic components from electrostatic discharge (ESD) and transient voltage spikes. Offering a low-profile SOD-923 package, it is optimized for compact, high-density circuit board layouts. This device ensures robust clamping performance with a rapid response time, making it ideal for safeguarding telecommunications, data lines, and portable electronics. The MMBTRC120SS delivers reliable transient voltage protection while maintaining minimal leakage current, contributing to enhanced overall system reliability. Find more details at IC Manufacturer.
MMBTRC120SS Technical Specifications
| Parameter | Specification |
|---|---|
| Device Type | Transient Voltage Suppressor Diode |
| Package | SOD-923 Surface Mount |
| Stand-Off Voltage (VWM) | 12 V |
| Breakdown Voltage (VBR) | 13.3 V (min) ?C 14.7 V (max) |
| Clamping Voltage (VC) | 24.2 V @ 1 A |
| Peak Pulse Current (IPP) | 1 A (8/20 ??s waveform) |
| Leakage Current (IR) | 10 ??A max @ 12 V |
| Response Time | Typically < 1 ns |
| Operating Temperature Range | -55 ??C to +150 ??C |
MMBTRC120SS Key Features
- Fast response time: Provides sub-nanosecond reaction to transient voltage spikes, ensuring immediate protection of sensitive components.
- Low clamping voltage: Minimizes voltage stress on protected circuits during transient events, enhancing device longevity.
- Compact SOD-923 package: Enables efficient PCB space utilization, suitable for high-density electronic assemblies.
- Low leakage current: Reduces power loss and prevents unwanted current flow during normal operation, improving energy efficiency.
Typical Applications
- Protection of data and signal lines in telecommunications equipment, ensuring signal integrity during ESD and transient surges.
- Surge protection for portable electronic devices such as smartphones, tablets, and handheld instruments.
- Voltage transient suppression in automotive electronics, safeguarding control modules against electrical overstress.
- ESD protection for interface ports including USB, HDMI, and other high-speed data connectors.
MMBTRC120SS Advantages vs Typical Alternatives
This transient voltage suppression diode offers superior protection with a lower clamping voltage compared to many standard TVS diodes, reducing the risk of damage to downstream components. Its fast response and low leakage current improve overall system efficiency and reliability. The compact SOD-923 package facilitates integration into space-constrained designs, providing a significant advantage for modern electronics requiring high-density layouts and robust transient protection.
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MMBTRC120SS Brand Info
The MMBTRC120SS is manufactured by ON Semiconductor, a global leader in energy-efficient semiconductor solutions. Known for its extensive portfolio of discrete devices and TVS diodes, ON Semiconductor provides reliable components designed to meet stringent industry standards. This particular model exemplifies the company??s commitment to delivering high-performance transient voltage protection suitable for a wide range of industrial and consumer applications.
FAQ
What is the primary function of the MMBTRC120SS diode?
The primary function is to protect sensitive electronic circuits from transient voltage spikes and electrostatic discharges by clamping excessive voltage to a safe level, preventing damage to downstream components.
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Can this diode handle repetitive transient pulses?
Yes, the device is rated for repetitive peak pulse current of 1 A with an 8/20 ??s waveform, enabling it to absorb multiple transient events without degradation under specified conditions.
What is the significance of the low leakage current in this diode?
Low leakage current ensures minimal power loss during normal operation, which is critical for maintaining energy efficiency and preventing unwanted current flow that could affect circuit performance.






