Overview
The MCR12DCMT4G is a surface-mount thyristor produced by Littelfuse Inc., designed for various power control applications. This device is part of the MCR12DCM series, which includes the MCR12DCMT4G model, specifically tailored for half-wave AC control applications such as motor controls, heating controls, and power supplies. The thyristor features a small size, passivated die for reliability and uniformity, and low-level triggering and holding characteristics, making it suitable for a wide range of industrial and commercial uses.
Key Specifications
| Rating | Symbol | Value | Unit |
|---|---|---|---|
| Peak Repetitive Off-State Voltage | VDRM | 600 | V |
| Peak Repetitive Reverse Off-State Voltage | VRRM | 800 | V |
| On-State RMS Current | IT (RMS) | 12 | A |
| Average On-State Current | IT(AV) | 7.8 | A |
| Peak Non-Repetitive Surge Current | ITSM | 100 | A |
| Circuit Fusing Consideration | I2t | 41 | A²sec |
| Forward Peak Gate Power | PGM | 5.0 | W |
| Forward Average Gate Power | PGM (AV) | 0.5 | W |
| Forward Peak Gate Current | IGM | 2.0 | A |
| Operating Junction Temperature Range | TJ | -40 to 125 | °C |
| Storage Temperature Range | Tstg | -40 to 150 | °C |
| Thermal Resistance, Junction-to-Case | RƟJC | 2.2 | °C/W |
| Thermal Resistance, Junction-to-Ambient | RƟJA | 88 | °C/W |
| Maximum Lead Temperature for Soldering Purposes | TL | 260 | °C |
Key Features
- Small Size: Compact design suitable for surface-mount applications.
- Passivated Die: Ensures reliability and uniformity.
- Low Level Triggering and Holding Characteristics: Allows for efficient control with low gate currents.
- UL Recognized Compound: Meets flammability rating V-0.
- ESD Ratings: Human Body Model > 8000 V, Machine Model > 400 V.
- Pb-Free Packages Available: Compliant with RoHS standards.
Applications
The MCR12DCMT4G is primarily designed for half-wave AC control applications, including:
- Motor Controls: Used in motor speed control and other motor-related applications.
- Heating Controls: Suitable for temperature control in heating systems.
- Power Supplies: Can be used in various power supply configurations where half-wave control is necessary.
Q & A
- What is the peak repetitive off-state voltage of the MCR12DCMT4G?
The peak repetitive off-state voltage (VDRM) is 600 V for the MCR12DCM model and 800 V for the MCR12DCN model. - What is the on-state RMS current rating of this thyristor?
The on-state RMS current (IT RMS) is 12 A. - What is the operating junction temperature range of the MCR12DCMT4G?
The operating junction temperature range is -40°C to 125°C. - Is the MCR12DCMT4G RoHS compliant?
- What are the ESD ratings for this device?
The ESD ratings are Human Body Model > 8000 V and Machine Model > 400 V.- What is the maximum lead temperature for soldering purposes?
The maximum lead temperature for soldering purposes is 260°C.- What are the typical applications for the MCR12DCMT4G?
Typical applications include motor controls, heating controls, and power supplies.- What is the thermal resistance from junction to case?
The thermal resistance from junction to case (RƟJC) is 2.2°C/W.- What is the peak non-repetitive surge current rating?
The peak non-repetitive surge current (ITSM) is 100 A.- What is the forward peak gate power rating?
The forward peak gate power (PGM) is 5.0 W. - What are the ESD ratings for this device?
