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AI Technology TP 7855

TP 7855 is an alumina crystrallites filled, electrically insulating, medium bond strength thermoplastic film adhesive. It is designed for bonding component and substrate. TP 7855 has good thermal conductivity. The dry, tack free handling of this film makes it suitable for an automated assembly. This high purity adhesive possesses excellent moisture resistance.

Product Type: Adhesive

Application Area: Die/Chip Attach

Technical Data Sheet
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Knowde Enhanced TDS

Identification & Functionality

Product Type

Features & Benefits

Labeling Claims
Product Highlights
  • Tack Free
  • Ambient Temp Storable
  • Electrically Insulating
  • Thermoplastic
  • Film Adhesive

Applications & Uses

Application Area
Applications
  • Die Attach
  • Component Attach
Application Process
  • Remove film from protective paper.
  • Cut to desired size.
  •  Place on substrate and refiow according to the recommended schedule.

Properties

Typical Properties
ValueUnitsTest Method / Conditions
Cured Density1.8 - 2.2gm/cc
Device Push-off Strength3.69 - 4.51N/mm²
Dielectric Strengthmin. 750Volts/mil
Electrical Resistivity (250°C/1 min)1x10¹⁴ohm-cm
Glass Transition Temperature-55 to -45°C
Hardness (Type)49.5 - 60.5Shore D
Linear Thermal Expansion Coefficient46.75 - 63.25ppm/°C
Maximum Continuous Operation Temperaturemax. 250°C
Thermal Conductivity3.24 - 3.96W/m-°C

Regulatory & Compliance

Quality Standards

Technical Details & Test Data

Reflow Temperatures
Temperature Time Pressure
250°C 0.5-5 sec 5-10 psi

Packaging & Availability

Availability

TP7855is available in sheet sizes or as custom preforms. Standard thicknesses are 0.003" and 0.006". Special thicknesses are available. TP7858 can also be obtained in liquid form (LTP7858).

Storage & Handling

Shelf Life
1 year (25°C)