Overview
The MCR12N Silicon Controlled Rectifier (SCR) from onsemi is a robust and reliable electronic component designed for various control applications. It is part of the MCR12 series, which includes the MCR12DG, MCR12MG, and MCR12NG models. The MCR12N is specifically tailored for half-wave AC control applications, such as motor controls, heating controls, and power supplies. Its rugged construction and high performance make it an ideal choice for industrial and consumer electronics.
Key Specifications
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Off-State Voltage | VDRM, VRRM | 800 | V |
| On-State RMS Current | IT(RMS) | 12 | A |
| Peak Non-Repetitive Surge Current | ITSM | 100 | A |
| Operating Junction Temperature Range | TJ | -40 to +125 | °C |
| Storage Temperature Range | Tstg | -40 to +150 | °C |
| Forward Peak Gate Power | PGM | 5.0 | W |
| Forward Average Gate Power | PG(AV) | 0.5 | W |
| Average On-State Current | IT(AV) | 7.8 | A |
| Forward Peak Gate Current | IGM | 2.0 | A |
| Critical Rate of Rise of Off-State Voltage | dv/dt | 100 | V/μs |
Key Features
- Blocking Voltage up to 800 Volts
- On-State Current Rating of 12 Amperes RMS at 80°C
- High Surge Current Capability – 100 Amperes
- Rugged, Economical TO-220AB Package
- Glass Passivated Junctions for Reliability and Uniformity
- Minimum and Maximum Values of IGT, VGT, and IH Specified for Ease of Design
- High Immunity to dv/dt – 100 V/μsec Minimum at 125°C
- Pb-Free Devices
Applications
The MCR12N SCR is designed primarily for half-wave AC control applications. These include:
- Motor controls
- Heating controls
- Power supplies
- Wherever half-wave silicon gate-controlled devices are needed
Q & A
- What is the peak repetitive off-state voltage of the MCR12N SCR?
The peak repetitive off-state voltage of the MCR12N SCR is 800 volts. - What is the on-state RMS current rating of the MCR12N at 80°C?
The on-state RMS current rating of the MCR12N at 80°C is 12 amperes. - What is the peak non-repetitive surge current capability of the MCR12N?
The peak non-repetitive surge current capability of the MCR12N is 100 amperes. - What is the operating junction temperature range of the MCR12N?
The operating junction temperature range of the MCR12N is -40 to +125°C. - Is the MCR12N Pb-free?
Yes, the MCR12N is a Pb-free device. - What package type does the MCR12N come in?
The MCR12N comes in a TO-220AB package. - What are some typical applications of the MCR12N?
The MCR12N is typically used in motor controls, heating controls, power supplies, and other half-wave AC control applications. - What is the critical rate of rise of off-state voltage for the MCR12N?
The critical rate of rise of off-state voltage for the MCR12N is 100 V/μsec minimum at 125°C. - What is the forward peak gate power of the MCR12N?
The forward peak gate power of the MCR12N is 5.0 watts. - What is the thermal resistance, junction-to-case, for the MCR12N?
The thermal resistance, junction-to-case, for the MCR12N is 2.2 °C/W.
