Low Profile Surface Mount 2.5G Transformer Module CND-tek QG2439S with Long Haul Application Support

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Product Description

Product Overview

The QG2439S 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 is compliant with the IEEE 802.3bz standard for 2.5G Base-Z. It is engineered to support 1:1 turns ratio transceivers.

Product Attributes

Brand: CND-tek
Model: QG2439S
Type: 2.5G Single Port Transformer Module
Application: Long Haul
Cable Support: Category 5 UTP (four pairs)
Standard Compliance: IEEE 802.3bz (2.5G Base-Z)
Packaging: Low Profile Surface Mount, Hi-Temp Reflow Process Compatible
Turns Ratio Support: 1:1 (TX), 1:1 (RX)

Technical Specifications

Parameter	Value	Condition
OCL (Open Circuit Inductance)	180 H Min.	@ 100 KHz, 100mV with 8mA DC Bias
Leakage Inductance	0.5 H Max.	@ 100KHz, 0.2V
Cw/w (Common Mode to Common Mode Capacitance)	35 pF Max.	@ 100KHz, 0.2V
DCR (DC Resistance)	1.20 Max	-
Turns Ratio (5%)	1CT:1 (TX), 1CT:1 (RX)	-
Polarity	1-24, 5-20, 7-18, 11-14 In-Phase	-
Insertion Loss	-1.0 dB Max.	@ 1-100MHz
Insertion Loss	-2.0 dB Max.	@ 101-200MHz
Return Loss	-20 dB Min.	@ 1-40MHz
Return Loss	-20+15*LOG(f/40) dB Min.	@ 41-200 MHz
Cross Talk	-39 dB Min.	@ 1-100 MHz
Cross Talk	-25 dB Min.	@ 101-200 MHz
Common Mode Rejection	-25dB Min.	@ 1-200 MHz
Isolation HI-POT	1500Vrms	1mA, 1Second
Operating Temperature Range	-40~+85	-
Storage Temperature Range	-40~+125	-
Units per Reel	850 PCS	-
Reels per Carton	5 PCS	-
Units per Carton	4250 PCS	-