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MCR100-3RL
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Product Detailed Parameters
- Description：SCR 100V 800MA TO92-3
- Series：-
- Mfr：onsemi
- Package：Tape & Reel (TR)
- Voltage - Off State：100 V
- Voltage - Gate Trigger (Vgt) (Max)：800 mV
- Current - Gate Trigger (Igt) (Max)：200 µA
- Current - Hold (Ih) (Max)：5 mA
- Current - Non Rep. Surge 50, 60Hz (Itsm)：10A @ 60Hz
- SCR Type：Sensitive Gate
- Operating Temperature：-40°C ~ 110°C
- Grade：-
- Qualification：-
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 Long Body, Formed Leads
- Supplier Device Package：TO-92 (TO-226)
- Voltage - On State (Vtm) (Max)：1.7 V
- Current - On State (It (AV)) (Max)：-
- Current - On State (It (RMS)) (Max)：800 mA
- Current - Off State (Max)：10 µA
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Overview
The MCR100-3RL is a sensitive gate Silicon Controlled Rectifier (SCR) from the MCR100 series, manufactured by onsemi. It features a peak repetitive off-state voltage of 100 V and an on-state RMS current rating of 0.8 A at 80°C. The device supports a peak non-repetitive surge current of 10 A and includes specified minimum and maximum values for gate trigger current, gate trigger voltage, and holding current to facilitate design. It is housed in a plastic TO-92 package (CASE 29-11) with leads arranged as Cathode, Gate, and Anode.
Feature Summary
- Sensitive gate architecture enables triggering by microcontrollers and logic circuits
- Glass-passivated surface construction ensures reliability and uniformity
- High surge current capability provides robustness against transient loads
- Specified minimum and maximum electrical parameters simplify circuit design
Applications
- Relay drivers
- Lamp drivers
- Small motor controls
- Gate drivers for larger thyristors
- Sensing and detection circuits
Procurement Notes
Verify the specific ordering suffix to confirm the tape and reel packaging configuration. Confirm that the component meets Pb-Free requirements if necessary for the assembly process. Ensure the selected part number corresponds to the required blocking voltage rating within the MCR100 series lineup before procurement.
Selection Notes
Select this component when a low-cost, high-volume SCR is needed for line-powered consumer applications. The sensitive gate feature makes it suitable for direct interfacing with logic-level control signals. Verify that the 100 V blocking voltage aligns with the circuit's peak reverse voltage requirements.
Part Context
This device belongs to the MCR100 series of Reverse Blocking Thyristors designed for high-volume consumer electronics. The series offers various blocking voltage options ranging from 100 V to 600 V, all sharing similar thermal and current characteristics while differing in their voltage ratings.
Replacement Considerations
Direct substitutes within the same series include MCR100-4RL, MCR100-6RL, and MCR100-8RL, which offer higher blocking voltages of 200 V, 400 V, and 600 V respectively. These parts share identical current ratings and package dimensions, allowing for potential upward voltage substitution if space constraints exist.
FAQ
What is the pinout configuration for the MCR100-3RL?
The pin assignment for the TO-92 package is Pin 1: Cathode, Pin 2: Gate, and Pin 3: Anode.
What is the critical rate of rise of off-state voltage (dV/dt)?
The device has a minimum dV/dt rating of 20 V/µs at a junction temperature of 110°C.
How does the gate trigger current vary with temperature?
The typical gate trigger current decreases as the junction temperature increases, ranging from approximately 40 µA to 200 µA at 25°C depending on the specific unit variation.
