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Taconic TLY-5 2-Layer High-Stability PCB 10mil TLY-5 Laminate with Immersion Gold for 77GHz Millimeter Wave & Automotive Radar
Taconic TLY-5 2-Layer High-Stability PCB 10mil TLY-5 Laminate with Immersion Gold for 77GHz Millimeter Wave & Automotive Radar
Printed Circuit Boards are custom-made products; the images and specifications provided are for reference only.
1. Taconic TLY-5 PCB Introduction
Taconic TLY-5 PCB is engineered for high-performance RF and millimeter wave systems, leveraging a laminate core crafted with ultra-lightweight woven fiberglass. Unlike chopped fiber-reinforced PTFE composites, this woven matrix delivers superior dimensional stability, making TLY-5 PCB ideal for high-volume manufacturing environments. Boasting an exceptionally low dissipation factor, it excels in 77 GHz automotive radar deployments, as well as a broad range of other millimeter wave antenna applications where signal integrity and reliability are non-negotiable.
2. Features
Dielectric constant of 2.2 with tight tolerance 0.02 at 10 GHz/23°C
0.0009 loss tangent at 10GHz
Density (specific gravity) of 2.19 g/cm³
Moisture Absorption 0.02%
CTE in X-axis of 26 ppm/°C, Y-axis of 15 ppm/°C and Z-axis of 217 ppm/°C
3. Benefits
Dimensionally stable
Lowest DF
Low moisture absorption
High copper peel strength
Uniform & consistent DK
4. PCB Construction Details
Base material: TLY-5
Layer count: 2 layers
Board dimensions: 55mm x 50 mm=1PCS, +/- 0.15mm
Minimum Trace/Space: 6/8 mils
Minimum Hole Size: 0.2mm
No Blind vias
Finished board thickness: 0.3mm
Finished Cu weight: 1oz (1.4 mils) outer layers
Via plating thickness: 20 μm
Surface finish: Immersion Gold
Top Silkscreen: No
Bottom Silkscreen: No
Top Solder Mask: No
Bottom Solder Mask: No
100% Electrical test used prior to shipment
5. PCB Stackup
2-layer rigid PCB
Copper_layer_1 - 35 μm
TLY-5 - 0.254 mm (10mil)
Copper_layer_2 - 35 μm
6. PCB Statistics
Components: 9
Total Pads: 41
Thru Hole Pads: 23
Top SMT Pads: 18
Bottom SMT Pads: 0
Vias: 17
Nets: 2
7. Type of Artwork Supplied
Gerber RS-274-X
8. Accepted Standard
IPC-Class-2
9. Availability
Worldwide
10. Some Typical Applications
Automotive Radar
Satellite/Cellular Communications
Power Amplifiers
LNBs, LNAs, LNCs
Aerospace
Ka, E and W band Applications
11. Summary
Taconic TLY-5 PCB is a high-reliability, dimensionally stable solution tailored for demanding millimeter wave applications such as 77 GHz automotive radar. With its low dissipation factor, tight dielectric constant tolerance, and robust construction, TLY-5 PCB meets IPC-Class-2 standards and supports high-volume production. Its immersion gold surface finish, precise trace/space specifications, and 100% pre-shipment electrical testing ensure consistent performance across global deployments.
Founded in 2003, Shenzhen Bicheng Electronics Technology Co., Ltd is an established high frequency PCB supplier and exporter in Shenzhen, China, serving customers worldwide.
We are devoted to delivering high-frequency PCB products and solutions of the highest quality, along with customized service. Get in touch with us to start your project !
Visit https://www.bicheng-enterprise.com to learn more.
Contact Vicky at v.xie@bichengpcb.com to unlock your PCB’s full potential.

