Overview
The MCR12DSMT4G is a surface mount Silicon Controlled Rectifier (SCR) produced by Littelfuse Inc. This device is part of the MCR12DSM series, designed for high-volume, low-cost industrial and consumer applications. It is known for its small size, low-level triggering, and holding characteristics, making it suitable for a variety of control functions.
Key Specifications
| Characteristic | Value | Unit |
|---|---|---|
| IT(RMS) - On-state RMS Current | 12 | A |
| VDRM/VRRM - Repetitive Peak Off-state Voltage | 600 V (MCR12DSM), 800 V (MCR12DSN) | V |
| IGT - Gate Trigger Current | 200 or 300 mA | mA |
| IT(AV) - Average On-state Current | 7.6 A | A |
| ITSM - Non-repetitive Surge Peak On-state Current | 100 A | A |
| Tstg - Storage Temperature Range | -40 to 150 °C | °C |
| Tvj - Virtual Junction Temperature Range | -40 to 110 °C | °C |
| Rth(j-c) - Thermal Resistance, Junction to Case | 2.2 K/W | K/W |
| Rth(j-a) - Thermal Resistance, Junction to Ambient | 88 K/W | K/W |
| TL - Maximum Lead Temperature for Soldering Purposes | 260 °C | °C |
Key Features
- ESD Ratings: Human Body Model – 3B > 8000 V, Machine Model – C > 400 V
- UL Recognized compound meeting flammability rating V-0
- Low-level triggering and holding characteristics
- Passivated die surface for reliability and uniformity
- Small size, suitable for surface mount applications
Applications
The MCR12DSMT4G is designed for various industrial and consumer applications, including:
- Motor control
- Process control
- Temperature control
- Light control
- Speed control
- Capacitive Discharge Ignition (CDI)
- Small engines
Q & A
- What is the maximum on-state RMS current of the MCR12DSMT4G?
The maximum on-state RMS current is 12 A.
- What are the repetitive peak off-state voltage ratings for the MCR12DSM and MCR12DSN?
The MCR12DSM has a rating of 600 V, while the MCR12DSN has a rating of 800 V.
- What is the gate trigger current for the MCR12DSMT4G?
The gate trigger current is 200 or 300 mA.
- What is the storage temperature range for the MCR12DSMT4G?
The storage temperature range is -40 to 150 °C.
- What is the thermal resistance from junction to case for the MCR12DSMT4G?
The thermal resistance from junction to case is 2.2 K/W.
- What are some common applications of the MCR12DSMT4G?
Common applications include motor control, process control, temperature control, light control, speed control, Capacitive Discharge Ignition (CDI), and small engines.
- What is the maximum lead temperature for soldering purposes?
The maximum lead temperature for soldering purposes is 260 °C.
- Does the MCR12DSMT4G meet any specific safety standards?
Yes, it meets UL recognized compound flammability rating V-0.
- What is the non-repetitive surge peak on-state current rating?
The non-repetitive surge peak on-state current rating is 100 A.
- What is the average on-state current rating?
The average on-state current rating is 7.6 A.
