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For printed circuit boards exposed to high thermal loads, the necessary long-term operating temperature must be determined early on, in order to select an appropriate material
High Tg PCBs
For printed circuit boards exposed to high thermal loads, the necessary long-term operating temperature must be determined early on, in order to select an appropriate material.
The glass transition temperature (Tg) is an important normative dimension for the base material that determines the temperature at which the resin matrix converts from a glassy, brittle condition into a soft, elastic one.
The Tg value of the base material sets here an upper boundary, at which the resin matrix decomposes and a subsequentdelamination occurs. The Tg is thus not the value of the maximum operational temperature, but rather that which the material can endure for only a very short time.
A guideline for a continuous thermal load is an operating temperature approximately 25°C below the Tg.
When the glass transition temperature (Tg) is over 170°C, it is referred to as a high Tg material.
High Tg materials have the following properties:
·High glass flow temperature value (Tg)
·High temperature durability
·Long delamination durability
·Low Z axis expansion (CTE)
1）Black double sides Printed Circuit Boards Tg170 for bluetooth receiver
Detailed Product Description
Copper Weight: 1oz
Tg Value: 170
Base Material: FR-4
CCL Brand: ITEQ
Surface Finish: ENIG
Solder Mask: Black
Layer Count: 2
a) High Tg FR-4. Industrial standard material with high Tg (175℃ by DSC) and excellent thermal reliability.
b) Immersion gold. SMT process is resistant to reflow soldering, resistant to rework.
c) Devlivery on time: >98%
d) Customer complaint rate: <1%
More Applications in Electronics
Low Noise Rf Amplifier
Custom Power Supply
Ac To Dc Power Supplies
Power Supply Socket
Security Access Systems
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