ETD59 12+12pin PC40 Horizontal Transformer Bobbin with 2 Ferrite Halves
Price in Sri Lanka

The ETD59 12+12 pin horizontal transformer bobbin with PC40 ferrite core is designed for high-power, high-efficiency transformer applications. Its large core cross-sectional area, enhanced thermal capacity, and low-loss PC40 ferrite material make it ideal for use in switch-mode power supplies (SMPS), inverters, DC-DC converters, and industrial power systems.

Key Features:

• High Power Handling – Designed for up to 500W+ in SMPS or inverter applications
• PC40 Ferrite Core – Offers low core loss and high magnetic flux density for efficient performance at high frequencies
• 12+12 Pin Bobbin – Enables multiple winding combinations, improved insulation distance, and EMI management
• Horizontal Mounting – Saves vertical space, suitable for low-profile power module enclosures
• Flame-Retardant Bobbin Material – Made from UL 94V-0 rated thermoplastic for enhanced safety

Specifications:

• Core Type: ETD59 Ferrite Core
• Core Material: PC40 (Mn-Zn Ferrite for high-frequency switching)
• Bobbin Type: 12 + 12 Pin Horizontal
• Pin Count: 24 pins total
• Mount Type: Through-Hole Horizontal
• Pin Pitch: ~2.5 mm (typical)
• Core Dimensions: Outer Diameter ~59 mm; Center leg diameter ~20 mm
• Operating Frequency: Up to 500 kHz (Optimized: 20–300 kHz)
• Power Handling: Up to 500W+ (depends on design and topology)
• Dielectric Strength: >1500V AC
• Insulation Resistance: >100 MΩ
• Operating Temperature: -40°C to +130°C

Applications:

• High-power Switch-Mode Power Supplies (SMPS)
• DC-DC Converters (Full/half-bridge, push-pull)
• Inverters and industrial control power units
• Power conditioning and battery charging systems
• Telecom and server-grade power distribution