MCR69-3G
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Littelfuse Inc. MCR69-3G

Manufacturer No:
MCR69-3G
Manufacturer:
Littelfuse Inc.
Package:
Tube
Description:
SCR 100V 25A TO220AB
Delivery:
Payment:
iso14001
iso45001
iso9001
iso13485

Product Introduction

Overview

The MCR69-3G is a Silicon Controlled Rectifier (SCR) manufactured by Littelfuse Inc. This device is specifically designed for overvoltage protection in crowbar circuits, offering high reliability and stability. The MCR69-3G features a glass-passivated junction, which enhances parameter stability and reliability. It is housed in a rugged TO220AB package, constructed for low thermal resistance and maximum power dissipation.

Key Specifications

ParameterValueUnit
Max. Off-State Voltage (VDRM)100V
Max. Load Current (IT(RMS))25A
Average On-State Current (IT(AV))16A
Peak Non-Repetitive Surge Current (ITSM)300A
Gate Current (IGT)7mA
Operating Junction Temperature Range (TJ)-40 to +125°C
Storage Temperature Range (Tstg)-40 to +150°C
Turn-on Time (tgt)1µs
Package TypeTO220AB
Mounting TypeTHT

Key Features

  • Glass-passivated junctions for greater parameter stability and reliability.
  • Center-gate geometry for uniform current spreading, enabling high discharge current.
  • Small, rugged, Thermowatt package for low thermal resistance and maximum power dissipation.
  • High capacitor discharge current capability of up to 750 Amps.
  • Pb-free packages available.
  • High thermal stability and long service life.

Applications

The MCR69-3G is primarily used for overvoltage protection in crowbar circuits. It is suitable for various industrial and commercial applications where reliable and robust overvoltage protection is essential. These include power supplies, motor control systems, and other high-current applications requiring protection against voltage surges.

Q & A

  1. What is the maximum off-state voltage of the MCR69-3G?
    The maximum off-state voltage (VDRM) of the MCR69-3G is 100V.
  2. What is the maximum load current of the MCR69-3G?
    The maximum load current (IT(RMS)) of the MCR69-3G is 25A.
  3. What is the average on-state current of the MCR69-3G?
    The average on-state current (IT(AV)) of the MCR69-3G is 16A.
  4. What is the peak non-repetitive surge current of the MCR69-3G?
    The peak non-repetitive surge current (ITSM) of the MCR69-3G is 300A.
  5. What is the gate current required for the MCR69-3G?
    The gate current (IGT) required for the MCR69-3G is typically 7mA.
  6. What is the operating junction temperature range of the MCR69-3G?
    The operating junction temperature range (TJ) of the MCR69-3G is -40 to +125°C.
  7. What is the storage temperature range of the MCR69-3G?
    The storage temperature range (Tstg) of the MCR69-3G is -40 to +150°C.
  8. What is the turn-on time of the MCR69-3G?
    The turn-on time (tgt) of the MCR69-3G is 1µs.
  9. What type of package does the MCR69-3G come in?
    The MCR69-3G comes in a TO220AB package.
  10. Is the MCR69-3G Pb-free?
    Yes, Pb-free packages of the MCR69-3G are available.

Product Attributes

Voltage - Off State:100 V
Voltage - Gate Trigger (Vgt) (Max):1.5 V
Current - Gate Trigger (Igt) (Max):30 mA
Voltage - On State (Vtm) (Max):1.8 V
Current - On State (It (AV)) (Max):16 A
Current - On State (It (RMS)) (Max):25 A
Current - Hold (Ih) (Max):50 mA
Current - Off State (Max):10 µA
Current - Non Rep. Surge 50, 60Hz (Itsm):300A @ 60Hz
SCR Type:Standard Recovery
Operating Temperature:-40°C ~ 125°C
Mounting Type:Through Hole
Package / Case:TO-220-3
Supplier Device Package:TO-220AB
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Same Series
MCR69-2G
MCR69-2G
SCR 50V 25A TO220AB

Similar Products

Part Number MCR69-3G MCR69-2G
Manufacturer Littelfuse Inc. Littelfuse Inc.
Product Status Active Active
Voltage - Off State 100 V 50 V
Voltage - Gate Trigger (Vgt) (Max) 1.5 V 1.5 V
Current - Gate Trigger (Igt) (Max) 30 mA 30 mA
Voltage - On State (Vtm) (Max) 1.8 V 1.8 V
Current - On State (It (AV)) (Max) 16 A 16 A
Current - On State (It (RMS)) (Max) 25 A 25 A
Current - Hold (Ih) (Max) 50 mA 50 mA
Current - Off State (Max) 10 µA 10 µA
Current - Non Rep. Surge 50, 60Hz (Itsm) 300A @ 60Hz 300A @ 60Hz
SCR Type Standard Recovery Standard Recovery
Operating Temperature -40°C ~ 125°C -40°C ~ 125°C
Mounting Type Through Hole Through Hole
Package / Case TO-220-3 TO-220-3
Supplier Device Package TO-220AB TO-220AB

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