Surface Mount 2.5G Double Port Transformer Module Featuring CND-tek LK48223SN T for IEEE 802.3bz Compliance

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Product Description

Product Overview

The LK48223SN is a 2.5G Double 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, ideal 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: LK48223SN
Type: 2.5G Double Port Transformer Module
Packaging: Surface Mount Packaging
Compliance: IEEE 802.3bz (2.5G Base-Z)
Cable Support: Category 5 UTP cable (four pairs)
Turns Ratio Support: 1:1 (TX), 1:1 (RX)

Technical Specifications

Specification	Value
OCL (Open Circuit Inductance)	180 H Min. @ 100 KHz, 100mV with 8mA DC Bias
Leakage Inductance	0.35 H Max. @ 100KHz, 0.1V
Cw/w (Common Mode Capacitance)	35pF Max. @ 100KHz, 0.1V
DCR (DC Resistance) - Primary	0.90 Max
DCR (DC Resistance) - Secondary	1.2 Max
Turns Ratio (5%)	1CT:1 (TX), 1CT:1 (RX)
Polarity	1-48, 4-45, 7-42, 10-39, 13-36, 16-33, 19-30, 22-27
In-Phase Insertion Loss	-1.0 dB Max. @ 1-100MHz
Return Loss	-1.5dB Max. @ 100-125MHz
Cross Talk	-20dB Min. @ 1-40MHz, -16dB Min. @ 40.1-100 MHz, -10dB Min. @ 100.1-200 MHz
Common Mode Rejection	-30dB Min.@ 1-100MHz, -25dB Min.@ 100.1-200 MHz
Isolation HI-POT	1500Vrms 1mA 60S / 1650VAC 1mA 6S
Operating Temperature Range	-40~+85
Storage Temperature Range	-40~+125
Packing Specification (Units per Reel)	300 PCS
Packing Specification (Reels per Carton)	5 PCS
Packing Specification (Units per Carton)	1500 PCS
Dimensions	Refer to Schematics (Note: mm, Unless otherwise specified, all tolerances are 0.15mm)