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Thermal Interface Materials for Telecom & Data Center

Engineered for 24/7 uptime across 5G infrastructure, optical modules and data center servers. Sheen TIMs fill micro-gaps, stabilize interface contact and support repeatable manufacturing at scale.

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Lower interface thermal resistance
Gap & pressure window
Cycling / aging stability
Silicone-free options

Why Telecom & Data Center Designs Overheat

5G base stations, radios, and network equipment operate continuously under heavy processing and RF loads, and overheating can drive failures, performance degradation, and higher energy consumption. Data center servers are “always on” and thermal management choices are closely tied to reliability and energy efficiency.

High Power Density: ASIC/FPGA/CPU/GPU + power stages in tight form factors.
Interface losses: micro-voids and unevenness raise thermal resistance unless properly filled.
Optical Sensitivity: Tolerance stack-up requires compliant gap fillers and controlled bond lines.
Manufacturing reality: Tolerance stack-up requires compliant gap fillers and controlled bond lines.
Optical sensitivity: tolerance stack-up requires compliant gap fillers and controlled bond lines.

Procurement-friendly deliverables: clear spec ranges, thickness window, die-cut availability, and a sample plan aligned with your validation workflow.

Key Platforms & Hotspot Locations

Platform → Component → Interface → Material Choice

5G Base Station / Radio Unit

Hotspots: baseband processors, RF power amplifiers, DC-DC modules, enclosure thermal paths.

pad gel tape

Optical / Fiber Modules

Hotspots: lasers, driver ICs, cages/heatsinks; contamination control may require silicone-free solutions.

silicone-free pad putty/gel

Servers / AI Nodes

Hotspots: CPU/GPU/accelerator, VRM, memory; interfaces to heatsink or cold plate (air or liquid cooling).

pcm grease pad

Networking (Routers/Switches)

Hotspots: ASIC/SoC, PHY, power stages; focus on controlled thickness and repeatable placement.

pad die-cut gap control
Outdoor Access Point
Public Venues. stadiums, airports, smart cities, and parks etc.
Ruggedized for outdoor environmental elements: Dust, water, prolong harsh weather environments
10+ year lifespan
Indoor Access Point
Enterprise, Retail, Hospitality, Manufacturing etc
Rack, ceiling, wall mounted devices
High power ASICs/Processors used in applications
Seamless access. Security. Large user connectivity.
Router/Switches

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Product Parameter Matrix (Quick Comparison)

Designed for fast sourcing decisions: material family → conductivity range → thickness window → typical use.

Material Family Thermal Conductivity Thickness Window Best Fit in Telecom / Data Center Manufacturing Notes
Silicone Thermal Pad 1.5–15.0 W/m·K 0.3–10.0 mm ASIC/VRM/PA modules → heatsink/chassis; routers & switches Fast placement; can be supplied as sheets or die-cut parts
Silicone-Free Pad 1.0–6.0 W/m·K 0.5–5.0 mm Optics/transceivers & silicone-sensitive zones For contamination control requirements, confirm service temperature
Thermal Gel (SE20–SE100) 2.0–10.0 W/m·K Process-defined PSU/power modules with uneven profiles; complex gap variation Dispensing/screen printing/spreading; supports automation
Phase Change Material (PCM) 1.8–8.0 W/m·K 0.13–0.5 mm CPU/GPU/ASIC → heatsink/cold plate (thin interface) Activates near operating temperature; clean handling options
Thermal Grease 1.0–5.0 W/m·K Min 0.05 mm High-pressure thin bond line CPU/GPU interfaces Process control + rework strategy recommended
Carbon Fiber Thermal Pad 15–45 W/m·K 0.3–12.0 mm Performance-driven designs with defined thermal path direction Confirm mechanics & interface pressure; shortlist recommended

Need a datasheet shortlist? Send: platform, interface type, min/max gap, pressure window, target temperatures, silicone restriction, and production method. We’ll respond with recommended grades and sample plan.

Telecom & Data Center

Use this section to match your interface geometry
and the assembly process with the most stable material family

Telecom & Data Center

Continuous high-load operation drives temperature spikes if interfaces are not well controlled. Goal: stable contact, controlled compression, and repeatable assembly.
  • Primary choices: Silicone Pads (gap filling) / Thermal Gel (uneven profiles)
  • Secondary choices: Tape/adhesive for bonding where mechanical fixation is limited
  • Deliverables: die-cut shapes, thickness window, compression control plan

Telecom & Data Center

Routers, SSD modules, graphics thermal modules, and other compact electronics where fast placement is preferred.
Component Interface Recommended Notes
SoC → heatsink/spreader Stable contact Confirm gap distribution & compression Confirm pressure & flatness; manage rework strategy
Memory/VRM → chassis Handle tolerance Softness helps cover unevenness Handle tolerance; avoid over-compression
SSD controller → enclosure Coupling Balance thickness vs pressure Gel for uneven profiles; pad for speed & thickness
Remote Radio Heads
Outdoor systems. Vertical position
Limited active cooling
EMI absorption requirements
Survive vibration on poles
10+ year lifespan
Base Stations
Rack-mounted devices
Indoor and Outdoor environments
High-power ASICs/Processors used in applications
15+ year lifespan
Fixed Wireless Arrays
Outdoor systems. Vertical position
Limited active cooling
EMI absorption requirements
Survive vibration on poles
New item list

Telecom & Data Center

Optical modules include sensitive components (e.g., lasers), so many designs prioritize thermal performance while managing contamination risk near optics.
  • Primary choice: Silicone-Free Pads for silicone-sensitive environments
  • Gap complexity: consider gel/putty style fillers where geometry varies
  • Procurement focus: outgassing/cleanliness requirements, long-run stability

Telecom & Data Center

  • Define “silicone restriction” requirement early (optics/transceiver cages)
  • Confirm service temperature window and thermal cycling profile
  • Ask for die-cut parts to simplify assembly and reduce handling variation

Fast RFQ: transceiver form factor, gap min/max, contact area, target case temperature, and cleanliness constraints.

Telecom & Data Center

Always-on compute environments require stable thermal contact for performance, longevity, and energy efficiency. Interfaces to heatsinks or cold plates typically favor thin bond lines and repeatable assembly.

  • Primary choices:     PCM / Grease for thin interfaces
  • Gap coupling: pads for memory/VRM to spreader/chassis
  • Validation focus: steady-state + cycling + serviceability

Telecom & Data Center

Location Interface Recommended Procurement Notes
CPU/GPU die/package → heatsink/cold plate PCM / Grease Define application method, bond line target, and rework plan
VRM power stages → heatsink/chassis Pad / Gel Confirm compression window; die-cut helps consistency
Memory modules → spreader Pad Thickness tolerance + softness selection reduces contact variation

Telecom & Data Center

Power assemblies often have complex height profiles and multiple heat sources. The best choice is typically driven by gap variation, allowable pressure, and production throughput.
  • Primary choices: Thermal Gel for uneven gaps; Pads for fast placement
  • Bonding: Thermal tape/adhesive when mechanical fixation is limited
  • Process: dispensing/printing supports scalable yield and controlled coverage
Explore Thermal Gel
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Telecom & Data Center

  • Large gap range (min/max) or uneven surfaces → gel/putty type fillers
  • Defined gap + fast placement → pads (sheet or die-cut)
  • Bonding required → tape/adhesive options

Telecom & Data Center

Real Customer Case Data
Outdoor 5G RU
  • Challenge: continuous load, wide ambient range, enclosure heat path.
  • Interface: PA/DC-DC modules → chassis/heatsink.
  • Recommended: soft pads (controlled compression) + gel for uneven profiles.
Pads
Gels
Optical Transceiver Zone
  • Challenge: thermal control near optical components with contamination constraints
  • Interface: module/cage → spreader/heatsink.
  • Recommended: silicone-free pads; consider gel/putty for geometry variation.
  • Procurement notes: silicone restriction confirmation, service temperature, die-cut shapes.
Silicone Free Pads
1U/2U Server Node
  • Challenge: thin bond-line CPU/GPU interfaces, rework strategy, consistent assembly.
  • Interface: CPU/GPU/accelerator → heatsink/cold plate.
  • Recommended: PCM or grease for thin interfaces; pads for VRM/memory coupling.
  • Procurement notes: application method control, thermal cycling validation, and documentation for sourcing.
Pads
Gels

Validation Checklist

A simple, repeatable approach for engineering qualification. Keep documentation consistent for procurement review.

Soft pads are commonly used for defined gaps and rapid placement; gels are preferred when the profile is uneven or the gap variation is large. Final choice depends on gap mapping and allowable pressure.

When should I specify silicone-free for optical modules?

If the design includes silicone-sensitive optics/transceivers or contamination-controlled zones, silicone-free pads can be shortlisted early to reduce risk. Confirm service temperature and cleanliness requirements.

Both support thin bond lines. PCM can provide process-friendly handling near operating temperature; grease fits ultra-thin interfaces when application method and rework are controlled.

Yes. Die-cut shapes and thickened windows help improve assembly consistency and reduce operator variation—useful for both engineering validation and volume procurement.

Platform, interface type, min/max gap, pressure window, thermal targets, silicone restriction, and production method (placement/dispensing/printing). Add drawings and a power map for the fastest turnaround.

Stabilize temperatures for 24/7 uptime

Submit your gap range, pressure window and thermal targets. We’ll reply with recommended material families, spec ranges and a sample plan.

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