A22105-134-12 Allen-Bradley

A22105-134-12 Allen-Bradley I / O module

Product  Description：

This module serves as a high-current switching device designed for heavy-duty industrial power conversion. As a Darlington pair, it integrates two bipolar transistors where the emitter of the first is connected to the base of the second. This configuration provides a very high current gain, allowing a relatively small base current to switch or amplify much larger collector currents. The A22105-134-12 is engineered for high thermal efficiency and is typically mounted on a large heatsink to manage the heat generated during high-frequency switching operations in motor drives.

Product Parameters

While specific data sheets for legacy part numbers can vary based on the original equipment manufacturer (OEM) revision, the standard technical profile for this class of module includes:

• Type: Dual Darlington Transistor Module with Integrated Fast Recovery Diode.

• Collector-Emitter Voltage ($V_{CEX}$): Typically rated up to $600\text{V}$ or $1000\text{V}$, depending on the specific drive application.

• Collector Current ($I_C$): High-capacity rating, often reaching $100\text{A}$ to $200\text{A}$ continuous, designed for driving heavy industrial motors.

• Configuration: Often found in a "half-bridge" or "dual" layout within a single housing.

• Isolation Voltage: Rated for high dielectric strength (often $2500\text{V}$ AC) between the internal circuitry and the base plate to ensure safety and prevent grounding issues.

• Mounting: Screw-terminal interface for power connections and a metal base plate for thermal dissipation.

Product Advantages

• High Current Gain: The Darlington configuration allows the module to control massive electrical loads with minimal input power, making it an efficient bridge between low-voltage control logic and high-voltage power outputs.

• Thermal Reliability: Built with a specialized ceramic substrate that provides excellent electrical insulation while maximizing heat transfer to the external cooling system.

• Integrated Protection: Most versions include a built-in "free-wheeling" or anti-parallel diode to protect the transistors from inductive voltage spikes (back EMF) generated by motors.

• Legacy Compatibility: As an authentic Allen-Bradley part, it ensures exact physical fit and electrical matching for the maintenance and repair of existing 1336-series drive infrastructure, avoiding the need for costly system-wide upgrades.

Important Considerations and Precautions

• Electrostatic Discharge (ESD): This is a sensitive semiconductor device. Always use grounded wrist straps and ESD-safe handling procedures to prevent internal gate damage.

• Thermal Management: Never operate the module without a properly applied thermal interface material (like silicone-based thermal grease) and a securely fastened heatsink. Overheating will lead to immediate catastrophic failure.

• Torque Specifications: Use a torque wrench to tighten power terminals and mounting screws. Over-tightening can crack the ceramic substrate, while under-tightening leads to high resistance and localized melting.

• Voltage Verification: Ensure the DC bus capacitors of the drive are fully discharged before installation. Residual energy in the power section can be lethal and can destroy the new module instantly.

• Obsolescence: This is a legacy component. Users should verify the condition (New Old Stock vs. Refurbished) and ensure that the drive's firing circuit is still functional before replacing the power module.

Product Applications

The A22105-134-12 is primarily used in the power conversion stages of industrial equipment including:

• Variable Frequency Drives (VFDs): Specifically within the inverter section of Allen-Bradley 1336 Classic, 1336 Plus, and 1336 Force drives to control motor speed and torque.

• Uninterruptible Power Supplies (UPS): Used in high-power industrial UPS systems for DC-to-AC inversion.

• Large DC Motor Drives: Employed in phase-controlled or PWM-based controllers for large DC machinery.

• Heavy Industry Machinery: Found in applications such as paper mills, steel processing, and large-scale pumping stations where high-power motor control is required.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

Please make an inquiry for more models：

Allen-Bradley 2094-BM03-S

Allen-Bradley 802A-B27P2-S10

Allen-Bradley MPL-A310P-SJ74AA

Allen-Bradley 22F-D1P5N113

Allen-Bradley 100-E09KJ10

Allen-Bradley 1756-L74K

Allen-Bradley 1756-L84ESK

Allen-Bradley 1756-RM2K

Allen-Bradley 2098-DSD-HV050X

Allen-Bradley 2198-C1004-ERS

Allen-Bradley 100-K12*10

Allen-Bradley 800H-TFRXT6

Allen-Bradley 1769-OW8I

Allen-Bradley 1756-OB16I

Allen-Bradley 1440-TPR06-00RE

Allen-Bradley 1440-VSE02-01RA

Allen-Bradley 2711P-T6C208

Allen-Bradley 1756-L84EK

Allen-Bradley 1756-L84E

Allen-Bradley 1783-HMS4C4CGN

Allen-Bradley 1783-BMS10CGL

Allen-Bradley 700-HC22Z24-4

Allen-Bradley 1771-OFE3

Allen-Bradley 1756-L8SP

Allen-Bradley 2094-PRF

Allen-Bradley 2711P-RP9D

Allen-Bradley 2711P-B6C20D

Allen-Bradley 1794-CE3

Allen-Bradley 1784-CP10

Allen-Bradley 1771-P7

Allen-Bradley 1791DS-IB4XOW4

Allen-Bradley 100-D630

Allen-Bradley 1492-AIFM8-F-5

Allen-Bradley 1761-L32BBB

Allen-Bradley 2090-XXLF-375B

Allen-Bradley 2094-PRS8

Allen-Bradley 2711P-RP8A

Allen-Bradley 2711P-T7C4D1

Allen-Bradley 2711P-B7C4D8

JUSTWELL PTE. LTD. sells new and discontinued products, and purchases such specialty products through independent channels. JUSTWELL PTE. LTD. is not an authorized distributor, distributor, or representative of the featured products on this website. All product names/images, trademarks, brands, and logos used on this website are the property of their respective owners. Product descriptions, descriptions, or sales with these name images, trademarks, brands, and logos are for identification purposes only and do not imply any association or authorization with any rights holders.

This article is from the official website of JUSTWELL PTE. LTD. If reprinted, please attach this link: https://justwellltd.com .com

JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.