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Specifications
Isolation Voltage(Vrms):
1.5kV
Inductance:
180uH
Operating Temperature:
-40℃~+85℃
Turns Ratio:
1:1
rate:
2.5G
Mfr. Part #:
QG4851S
Package:
SMD-48P,27.8x12.2mm
Key Attributes
Model Number:
QG4851S
Product Description
Product Overview
The QG4851S is a 2.5G POE+ 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. This module features a low-profile surface mount package suitable for Hi-Temp Reflow Processes and is compliant with IEEE 802.3bz & at standards for 2.5G Base-Z, supporting 1:1 Turns Ratio Transceivers.
Product Attributes
- Brand: CND-tek
- Model: QG4851S
Technical Specifications
| Specification | Value |
|---|---|
| Type | 2.5G POE+ Double Port Transformer Module |
| Cable Support | Four pairs of category 5 UTP cable |
| Packaging | Low profile Surface Mount Packaging for Hi-Temp Reflow Process |
| Compliance | IEEE 802.3bz & at (2.5G Base-Z) |
| Turns Ratio Support | 1:1 |
| OCL (Open Circuit Inductance) | 200 H Min. @ 100 KHz, 100mV with 8mA DC Bias |
| Leakage Inductance | 0.50 H Max. @ 100KHz, 0.1V |
| Capacitance (Cw/w) | 30pF Max. @ 100KHz, 0.1V |
| DCR (DC Resistance) | Primary: 1.20 Max; Secondary: 1.2 Max |
| Turns Ratio | 1CT:1 (TX), 1CT:1 (RX) (5%) |
| 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, -16dB Min. @ 1-40MHz, -14.25dB Min. @ 4-60 MHz, -11.05dB Min. @ 100-125 MHz |
| Cross Talk | -12dB Min. @ 16-100 MHz |
| Common Mode Rejection | -30dB Min.@ 1-125MHz |
| Isolation HI-POT | 1500Vrms 1mA 60S (1650VAC 1mA 6S) |
| DC Line Current | 720mA Max @ 57V |
| Operating Temperature Range | -40~+85 |
| Storage Temperature Range | -40~+125 |
| Dimensions | (Units: mm, Tolerances: 0.15mm unless otherwise specified) |
| Packing Specification (per reel) | 300 PCS |
| Packing Specification (per carton) | 5 Reels (1500 PCS) |
2410141445_CND-tek-QG4851S_C19724708.pdf
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