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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 #:
QG4855D
Package:
DIP-48P,28.1x11.1mm
Key Attributes
Model Number:
QG4855D
Product Description
Product Overview
The QG4855D is a 2.5G/5G Double Port Transformer Module designed for long-haul applications. It supports four pairs of category 5 UTP cable, offering 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/5G Base-Z. It is engineered to support 1:1 Turns Ratio Transceivers.
Product Attributes
- Brand: CND-tek
- Model: QG4855D
- Application: Long Haul 2.5G/5G Double Port Transformer Module
- Cable Support: Four pairs of Category 5 UTP cable
- Mounting Type: Surface Mount
- Compliance: IEEE 802.3bz
- Reflow Process Compatibility: Hi-Temp Reflow Process
- Turns Ratio: 1CT:1 (TX), 1CT:1 (RX)
- Packaging: Units per reel: 18 PCS, Reel per carton: 90 PCS, Units per carton: 1620 PCS
Technical Specifications
| Specification | Value |
|---|---|
| OCL (Open Circuit Inductance) | 180 H Min. @ 100 KHz, 100mV with 8mA DC Bias |
| Leakage Inductance | 0.5 H Max. @ 100KHz, 0.1V |
| C w/w (Capacitance) | 35 pF Max. @ 100KHz, 0.1V |
| DCR (DC Resistance) | 1.00 Max |
| Turns Ratio | 1CT:1(TX), 1CT:1(RX) (5%) |
| Insertion Loss | -1.0 dB Max. @ 1-100MHz -2.0dB Max. @ 100-250MHz |
| Return Loss | -16 dB Min @ 1f 40 MHz -16+10log(f/40) dB Min @ 40 f 250 MHz |
| Cross Talk | -30dB Typ @ 1-250MHz |
| Common Mode Rejection | -30dB Typ @ 1-250MHz |
| Isolation HI-POT | 1500Vrms 1mA 60S |
| Operating Temperature Range | -40~+125C |
| Storage Temperature Range | -40~+85C |
| Dimension L (28.100.50) | 28.100.50 mm |
| Dimension W (11.10 0.50) | 11.10 0.50 mm |
| Dimension H (12.00 Max) | 12.00 Max mm |
| Dimension A (2.00 0.20) | 2.00 0.20 mm |
| Dimension B (23.000.20) | 23.000.20 mm |
| Dimension C (1.00 0.20) | 1.00 0.20 mm |
| Dimension D (0.40 0.10) | 0.40 0.10 mm |
| Dimension E (5.33 0.20) | 5.33 0.20 mm |
| Dimension F (8.89 0.20) | 8.89 0.20 mm |
| Dimension G (3.00 0.50) | 3.00 0.50 mm |
| Dimension H (1.00 typ) | 1.00 typ mm |
| Dimension I (23.00typ) | 23.00typ mm |
| Dimension J (5.33 typ) | 5.33 typ mm |
| Dimension K (8.89 typ) | 8.89 typ mm |
| Dimension L (2.00 typ) | 2.00 typ mm |
| Dimension M (0.90 typ) | 0.90 typ mm |
2410141446_CND-tek-QG4855D_C37328802.pdf
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