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BERGQUIST SIL PAD TSP Q2500 – Electrically Insulating, Thermally Conductive Pad – Electronics and Power Module Cooling

  • Item Name: BERGQUIST SIL PAD TSP Q2500 (Known as BERGQUIST Q-PAD II)
  • Manufacturer: Henkel
  • Product Category: Thermal Interface Material (TIM)
  • Technologies: Silicone-based, aluminum foil-reinforced thermal pad
  • Applications:
    • Between a transistor and a heat sink
    • Between large surfaces such as an L-bracket and chassis
    • Between a heat sink and chassis
    • Under power modules, resistors, transformers, and solid-state relays
  • Color: Black
  • Cure Type: Not applicable (pre-formed pad)
  • Package Size: Sheet form, roll form, and die-cut parts (Contact Techniq VNfor details)
  • Shelf Life: Contact Techniq VN for details

BERGQUIST SIL PAD TSP Q2500

(Also known as BERGQUIST Q-PAD II)

1. Product Overview

BERGQUIST SIL PAD TSP Q2500 is a composite thermal interface material designed to replace thermal grease. It consists of aluminum foil coated on both sides with thermally and electrically conductive Sil-Pad rubber. The material enhances heat transfer and eliminates issues associated with grease, such as contamination and dust collection.

  • Technology: Silicone
  • Appearance: Black
  • Reinforcement Carrier: Aluminum
  • Total Thickness: 0.152 mm (ASTM D374)
  • Operating Temperature Range: -60°C to 180°C

2. Applications

  • Between a transistor and a heat sink
  • Between two large surfaces (e.g., L-bracket and chassis)
  • Between a heat sink and a chassis
  • Under electrically isolated power modules or devices (e.g., resistors, transformers, solid-state relays)

3. Typical Properties

Property Value Test Method
Hardness 93 Shore A ASTM D2240
Flammability Rating V-0 UL 94
Volume Resistivity 1 × 10² ohm-meter ASTM D257
Thermal Conductivity 2.5 W/(m-K) ASTM D5470
Dielectric Breakdown Voltage Non-insulating ASTM D149

Thermal Performance vs. Pressure:

Pressure (psi) TO-220 Thermal Performance (°C/W) Thermal Impedance (°C-in²/W)
10 2.44 0.52
25 1.73 0.30
50 1.23 0.22
100 1.05 0.15
200 0.92 0.12

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