High Reliability Silicon Controlled Rectifier Littelfuse MCR69-3G with Thermowatt Package and Pb Free Option

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Product Description

Product Overview

The MCR69-2 and MCR69-3 are Silicon Controlled Rectifiers designed for overvoltage protection in crowbar circuits. They feature glass-passivated junctions for enhanced stability and reliability, center-gate geometry for uniform current spreading and high discharge current capability (750 Amps), and a small, rugged Thermowatt package for low thermal resistance and maximum power dissipation. Pb-free packages are available.

Product Attributes

Brand: Littelfuse, Inc.
Material: Silicon
Certifications: Pb-Free Packages Available

Technical Specifications

Part Number	Peak Repetitive Off-State Voltage (VDRM, VRRM)	Peak Discharge Current (ITM)	On-State RMS Current (IT (RMS))	Average On-State Current (IT(AV))	Peak Non-Repetitive Surge Current (ITSM)	Circuit Fusing Considerations (I2t)	Forward Peak Gate Current (IGM)	Forward Peak Gate Power (PGM)	Operating Junction Temperature Range (TJ)	Storage Temperature Range (Tstg)	Mounting Torque	Thermal Resistance, Junction-to-Case (RJC)	Thermal Resistance, Junction-to-Ambient (RJA)	Maximum Lead Temperature for Soldering (TL)	Peak Repetitive Forward or Reverse Blocking Current (IDRM, IRRM) TJ=25C	Peak Repetitive Forward or Reverse Blocking Current (IDRM, IRRM) TJ=125C	Peak Forward OnState Voltage (VTM) ITM=50A	Peak Forward OnState Voltage (VTM) ITM=750A, tw=1ms	Gate Trigger Current (IGT)	Gate Trigger Voltage (VGT)	Gate Non-Trigger Voltage (VGD) TJ=125C	Holding Current (IH)	Latch Current (IL)	Gate Controlled Turn-On Time (tgt)	Critical RateofRise of Off-State Voltage (dv/dt)	Critical Rate of Rise of OnState Current (di/dt)
MCR69-2 / MCR69-3	400V - 800V	750A	25A	16A	300A	375Asec	2.0A	20W	-40 to +125C	-40 to +150C	8.0 in. lb.	1.5 C/W	60 C/W	260C	10A	2.0mA	1.8V	6.0V	2.0 - 30mA	0.65 - 1.5V	0.2 - 0.40V	3.0 - 50mA	60mA	1.0s	10V/s	100A/s