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Specifications
Isolation Voltage(Vrms):
1.5kV
Inductance:
150uH
Operating Temperature:
-40℃~+85℃
Turns Ratio:
1:1
rate:
2.5G
Mfr. Part #:
QJ2041B T
Package:
DIP-24P,15.5x12mm
Key Attributes
Model Number:
QJ2041B T
Product Description
Product Overview
The QJ2041B is a 2.5G Single Port Transformer Module designed for long-haul applications. It supports four pairs of category 5 UTP cable, providing isolation and low common mode emissions through its cable interface. This module features a low-profile surface mount packaging suitable for Hi-Temp Reflow Processes and complies with the IEEE 802.3bz standard for 2.5G Base-Z. It is engineered to support 1:1 turns ratio transceivers.
Product Attributes
- Product Name: 2.5G Single Port Transformer Module
- Model Number: QJ2041B
- Compliance: IEEE 802.3bz for 2.5G Base-Z
- Cable Support: Category 5 UTP cable (four pairs)
- Packaging: Low profile Surface Mount Packaging
- Process Compatibility: Hi-Temp Reflow Process
- Turns Ratio: 1:1 (TX), 1:1 (RX)
Technical Specifications
| Specification | Value |
|---|---|
| OCL (Open Circuit Inductance) | 150 H Min. @ 100 KHz, 100mV with 8mA DC Bias |
| Leakage Inductance | 0.5 H Max. @ 100KHz, 0.1V |
| Cw/w (Common Mode to Differential Mode Capacitance) | 35 pF Max. @ 100KHz, 0.1V |
| DCR (DC Resistance) | 1.20 Max |
| Turns Ratio (5%) | 1CT:1 (TX), 1CT:1 (RX) |
| Polarity | 1-24, 4-21, 8-17, 11-14 |
| Insertion Loss (In-Phase) | -1.0 dB Max. @ 1-125MHz |
| Insertion Loss (Differential Mode) | -2.0dB Max. @ 100-250MHz |
| Return Loss | -16 dB Min. @ 1-40MHz -16+10*log(f/40)dB Min. @ 40-100MHz -12dB Min. @ 100.1-200MHz |
| Cross Talk | -35dB Min.@ 1-100 MHz -25dB Min.@ 100-200 MHz |
| Common Mode Rejection | -25dB Min.@30-200 MHz |
| Isolation HI-POT | 1500Vrms |
| Operating Temperature Range | -40~+ 85 |
| Storage Temperature Range | -40~+125 |
| Packing Specification (Units/Reel) | 32 PCS |
| Packing Specification (Reel/Carton) | 90 PCS |
| Packing Specification (Units/Carton) | 2880 PCS |
2504211840_CND-tek-QJ2041B-T_C48392700.pdf
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