ALANL100X1-EF10JT 10/100 BASE-TX Low Profile SMD LAN Transformer
The ALANL100X1-EF10JT is a 10/100 BASE-TX low profile SMD LAN transformer module designed for reliable Ethernet signal isolation and impedance matching in compact network equipment. With a 2.15 mm low-profile package, surface mount design, and 16-pin configuration, this transformer is a strong fit for space-constrained applications that still require stable Fast Ethernet performance.
Built for 10 BASE-T and 100 BASE-TX systems, the ALANL100X1-EF10JT supports robust magnetics performance, EMI suppression, and common-mode noise rejection. It is RoHS / RoHS II compliant and suitable for a wide range of networking and industrial designs.
Technical Specifications of ALANL100X1-EF10JT Low Profile LAN Transformer
| Parameter | Specification |
| Data Rate | 10/100 Base-TX |
| Port Count | 1 |
| Pin Count | 16-Pin |
| Inductance (OCL) | 350 μH Min (@100kHz, 0.2V, 8mA DC Bias) |
| Leakage Inductance | 0.5 μH Max (@100kHz, 0.1V, TD to MX) |
| Interwinding Capacitance | 30 pF Max (@100kHz, 0.1V, TD to MX) |
| DC Resistance | TD+ to TD-: 1.0 Ω Max / MX+ to MX-: 1.5 Ω Max |
| Hi-Pot Isolation | 1500 Vrms (0.5mA / 6 sec) |
| Dimensions (LxWxH) | 12.70 x 9.52 x 2.15 mm |
| Weight | 0.33 g per piece |
Electrical Performance (dB Min/Max)
| Frequency Range | Insertion Loss (Max) | Return Loss (Min) | Crosstalk (Min) | CMRR (Min) | DCMR (Min) |
| 1-40 MHz | 1.2 dB | 18 dB | - | - | - |
| 30 MHz | - | - | 45 dB | 43 dB | 43 dB |
| 60 MHz | 1.2 dB | 14.4 dB | 40 dB | 37 dB | 37 dB |
| 80 MHz | 1.2 dB | 12 dB | - | - | - |
| 100 MHz | 1.2 dB | 10 dB | 35 dB | 33 dB | 33 dB |
ALANL100X1-EF10JT Drawing:
1. ALANL100X1-EF10JT LAN Transformer Drawing - Mechanical Dimensions
2. ALANL100X1-EF10JT LAN Transformer Drawing - RECOMMENDED LAND PATTERN
3. ALANL100X1-EF10JT LAN Transformer Drawing - Schematics
Key Features of 10/100 BASE-TX LAN Transformer
- Low profile design, 2.15 mm height
- Meets IEEE 802.3u standards
- Compatible with 10 BASE-T and 100 BASE-TX
- RoHS compliant
- High performance magnetics for EMI suppression and common mode noise rejection
- 1CT:1CT TX and RX transformers
- 16-pin package
- Surface mount (SMD) configuration
- Active part status
Applications of Ethernet Transformer
The ALANL100X1-EF10JT is engineered for mission-critical connectivity in:
- Industrial Automation: Robotics and industrial controllers.
- Surveillance Systems: IP cameras and remote monitoring stations.
- Networking Hardware: Fast Ethernet switches, routers, and hubs.
- Communication Devices: IP phones and VoIP gateways.
- Compact Computing: PC cards, Cardbus, and embedded IoT systems.
FAQ About ALANL100X1-EF10JT SMD LAN Transformer
The ALANL100X1-EF10JT SMD LAN Transformer is a compact, low-profile Ethernet magnetics solution for 10/100BASE-TX designs. With strong EMI suppression, reliable signal performance, RoHS compliance, and a small 16-pin surface mount package, it is a practical choice for engineers building space-sensitive networking hardware.
1. What is the ALANL100X1-EF10JT used for?
It is used as a LAN transformer module for 10/100 BASE-TX Ethernet applications, providing isolation, impedance matching, and signal conditioning for Fast Ethernet designs.
2. Is ALANL100X1-EF10JT compatible with 10BASE-T and 100BASE-TX?
Yes. It is designed to support both 10 BASE-T and 100 BASE-TX Ethernet applications.
3. What is the height of this LAN transformer?
The package height is 2.15 mm, which makes it a low-profile option for compact devices.
4. Is ALANL100X1-EF10JT surface mount?
Yes. This is a surface mount (SMD) LAN transformer module.
5. Does it support PoE?
No. The provided specification lists POE: N/A.
6. What industries commonly use this part?
It is commonly used in Fast Ethernet equipment, IP cameras, surveillance systems, IP phones, industrial computers, robotics, PC Card, and CardBus devices.
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