Product Description:
SM42P01EL Chip LAN Transformer Module designed for 5 Gigabit Ethernet (5GbE) applications, supporting PoE+ (Power over Ethernet Plus). This surface-mount (SMT) transformer integrates common-mode chokes to ensure superior EMI suppression, signal integrity, and isolation performance. Engineered for high-speed networking, it provides reliable connectivity for next-generation Ethernet devices requiring efficiency, compact size, and robust power delivery.
Key Features of SM42P01EL 5G LAN Transformers:
- IEEE 802.3 Ethernet compatible
- Supports 1G / 2.5G / 5G BASE-T high-speed Ethernet applications
- PoE+ compliant, delivering up to 600 mA per port
- Integrated common mode chokes for excellent EMI/RFI noise reduction
- Low insertion loss and high return loss for optimized signal quality
- Hi-Pot isolation up to 1500 Vac, 60 s for enhanced safety
- Surface-mount assembly (SMT) design for automated production
- Wide operating temperature range: −40 °C to +85 °C
- RoHS-compliant and halogen-free
Electrical Specifications @ 25℃:
| Parameter | Specification |
| Inductance | 230 µH min. @ 100 kHz, 0.1 V |
| Insertion Loss (TD-MX) | 1–100 MHz: −1.0 dB max.
100–250 MHz: −2.0 dB max. |
| Return Loss (TD-MX) | 1–40 MHz: −16 dB min.
40–250 MHz: −(16 − 10 log(f/40)) dB min. |
| Crosstalk | 1–250 MHz: −35 dB min. |
| DCMR (TD-MX) | 1–50 MHz: −30 dB min.
50–150 MHz: −20 dB min.
150–250 MHz: −15 dB min. |
| Hi-Pot | 1500 Vac, 60 s |
| PoE+ Current | 600 mA |
| Operating Temperature | −40 °C to +85 °C |
| Storage Temperature | −40 °C to +85 °C |
SM42P01EL PoE+ Transformers Datasheet:
