The PQ26/25 Transformer Vertical Bobbin (12 Pin) is a crucial component used in high-frequency transformer applications such as Switched Mode Power Supplies (SMPS), DC-DC converters, and other power electronics systems. Its vertical design is suitable for designs that require efficient use of space while maintaining a robust transformer configuration.

Features:

• Core Type: PQ26/25
• Pin Count: 12 pins (dual row configuration)
• Bobbin Type: Vertical mounting, allowing for a compact footprint on the PCB while utilizing vertical space
• Material: High-grade plastic, often rated for high thermal and electrical resistance (typically UL94-V0 flame retardant)
• Applications: Ideal for SMPS, high-frequency transformers, and inductors where high efficiency and compact design are critical
• Winding Capability: The bobbin provides multiple winding slots, allowing for complex configurations of primary and secondary windings

Specifications:

• Pin Pitch: Standard pin spacing (typically around 5 mm) for easy PCB integration
• Dimensions: Designed for use with the PQ2625 core, which provides an excellent balance between compact size and winding space
• Winding Area: The vertical bobbin design offers a generous window for multiple windings, supporting high-density windings for efficient energy transfer
• Mounting: Vertical bobbin for through-hole mounting, providing a compact footprint on the PCB while making use of the vertical space for the windings
• Thermal Performance: The design is suitable for high-frequency applications where heat dissipation is important

Advantages:

1. Compact Footprint: The vertical design minimizes the space taken on the PCB, making it ideal for space-constrained applications.
2. Efficient Winding Layout: The multiple winding slots allow for flexible primary and secondary winding configurations, which is essential for optimizing transformer performance.
3. Thermal Management: The PQ core design helps with effective thermal dissipation, especially in high-frequency applications.
4. Improved Magnetic Performance: PQ cores are known for their ability to minimize core losses and provide good magnetic performance in high-frequency operations.

Applications:

• Switched Mode Power Supplies (SMPS): The PQ2625 bobbin is commonly used in transformers designed for SMPS due to its compact size and high efficiency at high frequencies.
• DC-DC Converters: Suitable for applications that require transformers in step-up or step-down configurations, especially for high power densities.
• Power Inverters: Often used in inverter circuits that demand reliable energy conversion in a compact form factor.
• Inductive Components: The bobbin and core combination can also be used in inductors for power filtering and other energy storage applications in power electronics.