Product Overview
The Allen-Bradley 1336-BDB-SP34D is a gate driver printed circuit board designed for use within the 1336 series of adjustable frequency AC drives. Manufactured by Allen-Bradley (Rockwell Automation), this board carries the alternative part number 77101-169-64 and serves as an internal component responsible for amplifying low-current control signals into the high-current drive signals required by the drive’s power transistors . The 1336-BDB-SP34D is not a standalone control module or communication interface; rather, it operates as an integral part of the drive’s internal power architecture, ensuring precise switching of the insulated-gate bipolar transistors (IGBTs) that regulate motor output.
Positioned beneath the drive’s main control board, the 1336-BDB-SP34D functions as a critical link between the drive’s logic-level control circuitry and its high-power output stage. The board is rated for 575V AC operation and is compatible with drive configurations up to 125 HP, making it suitable for medium-to-high power industrial motor control applications . Its role in the 1336 drive platform is closely coordinated with DC bus behavior and braking-related signal processing, supporting stable energy management during drive deceleration or rapid load changes .
The Allen-Bradley 1336-BDB-SP34D belongs to the 1336 PCB Boards product line and is designed for installation within 1336 PLUS, 1336 PLUS II, 1336 FORCE, and 1336 IMPACT drive families. Because this component is an internal drive board rather than an external accessory, compatibility depends on the specific drive model, frame size, and board revision level . The 1336-BDB-SP34D has been discontinued by the manufacturer, making it a critical spare part for maintaining legacy 1336 drive systems in operational condition.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | 1336-BDB-SP34D |
| Alternative Part Number | 77101-169-64 |
| Manufacturer | Allen-Bradley (Rockwell Automation) |
| Product Type | Gate Driver PCB Board |
| Product Line | 1336 PCB Boards |
| Compatible Drive Families | 1336 PLUS, PLUS II, FORCE, IMPACT, CLASSIC |
| Rated Voltage | 575V AC |
| Power Rating | 125 HP |
| Compatible Frame Models | A, B, C, D, E |
| Weight | Approximately 0.91 kg (2.00 lbs) |
| Mounting Method | Internal drive installation, below main control board |
| Connection Type | Onboard terminal block and snap-in ports |
| Operating Temperature | 0°C to 50°C (32°F to 122°F) |
| Storage Temperature | -40°C to 70°C (-40°F to 158°F) |
| Product Lifecycle Status | Discontinued / Obsolete |
Main Features and Advantages
The 1336- delivers essential gate drive functionality that enables precise control of IGBT switching within 1336 series AC drives. By amplifying low-current input signals into the high-current drive signals required by power transistors, the board ensures that the drive’s output stage responds accurately to control commands, supporting smooth motor acceleration, deceleration, and speed regulation .
Precision signal amplification: The 1336- is specifically engineered to convert logic-level control signals into the high-current drive signals needed for efficient IGBT operation. This amplification function is fundamental to the drive’s ability to produce stable, controllable AC output for induction motor control.
Integrated DC bus and braking coordination: The board plays a supporting role in managing DC bus status and braking-related signal processing within the drive. Its coordination with the drive’s power section helps maintain stable energy flow during rapid speed changes and dynamic load conditions, contributing to overall drive reliability .
Compatibility across multiple drive platforms: The 1336- is compatible with several 1336 drive families, including PLUS, PLUS II, FORCE, and IMPACT models, as well as general performance CLASSIC drives. This broad compatibility makes it a versatile replacement component for facilities maintaining mixed 1336 drive installations .
Designed for legacy drive sustainment: As a discontinued component, the 1336- represents a critical spare for plants that continue to rely on 1336 series drives. Replacing a failed gate driver board allows the drive to return to service without requiring full drive replacement, extending equipment lifespan and reducing capital expenditure on unnecessary upgrades.
