Super Tiny Signal Transformer TX4532 Series
Engineered for high-speed data transmission and reliable power delivery over Ethernet, the TX4532 series represents a pinnacle of miniaturization and performance in LAN interface transformers. These signal transformers are specifically designed to meet the rigorous demands of modern network interfaces, providing excellent signal integrity with improved return loss and minimized cross-talk. Fully compliant with IEEE 802.3af (15W) and IEEE 802.3at (30W) standards, they are ideal PoE transformers for integrating data and power in a single cable. Manufactured with automated winding for consistent high quality and featuring robust construction that survives extensive environmental stress tests, they offer dependable performance in compact, space-sensitive applications.
Key Features
Primary Electrical Specifications (TX4532-121 Example)
| Parameter |
Value |
| Open Circuit Inductance (OCL) |
120 µH (Min) @ 15mA |
| DC Resistance (DCR) |
2.00 Ω (Max) |
| Insertion Loss |
-1.5 dB (Max) |
| Return Loss |
-20 dB (Min) |
- Supports IEEE 802.3af (15W) and IEEE 802.3at (30W) Power over Ethernet
- High isolation voltage: 1500Vrms
- Wide operating temperature range: -40°C to +105°C
- Compact, lightweight, surface-mount design
- RoHS compliant
- Proven Reliability: Designed to pass a comprehensive suite of environmental tests including thermal shock, humidity, vibration, and salt spray
Applications
- LAN ports in network switches, routers, and gateways
- Communication equipment and base stations
- Digital consumer electronics requiring Ethernet connectivity (Smart TVs, gaming consoles, set-top boxes)
- Industrial Ethernet devices and controllers
- Any application requiring compact, reliable signal isolation and PoE support
Frequently Asked Questions
What is the key benefit of improved return loss in a LAN transformer?
Improved return loss minimizes signal reflections at the transformer interface, which is critical for maintaining signal integrity, reducing bit errors, and ensuring stable high-speed data transmission in Ethernet applications.
Does this transformer support Power over Ethernet (PoE)?
Yes, the TX4532 series is designed to be compliant with both IEEE 802.3af (15.4W) and IEEE 802.3at (30W) PoE standards, allowing it to safely pass both data and power on Ethernet cables.
Why is the extensive reliability testing list important?
The listed tests (thermal shock, humidity, vibration, etc.) demonstrate that the transformer is built to withstand harsh operating environments and ensure long-term reliability, which is essential for network infrastructure and industrial equipment that must operate continuously.
What does the 1500Vrms isolation rating mean?
This rating indicates the transformer can withstand a high voltage (1500V root-mean-square) between its primary and secondary windings for a specified time, providing crucial safety isolation and protection against voltage surges for connected equipment.
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