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Specifications
Turns Ratio:
1CT:1CT
rate:
10/100/1000 Base-T
Inductance:
350uH
Operating Temperature:
0℃~+70℃
Mfr. Part #:
749020111A(TOKMAS)
Package:
SMD-24P,16.5x9.1mm
Key Attributes
Model Number:
749020111A(TOKMAS)
Product Description
Product Overview
This product is a single-channel interface designed for 10/100/1000M bps Ethernet applications. It is compatible with various 10/100/1000M Base-TX transceivers requiring a 1:1 transmit and receive turns ratio. The device complies with the IEEE 802.3ab standard, including baseline wander compensation. It features a low-profile surface mount packaging suitable for Hi-Temp Reflow Processes (250 peak) and offers enhanced EMC system performance through tuned Common Mode Chokes (CMCs). The operating temperature range is 0 to +70.
Product Attributes
- Brand: tokmas.com
- Model: 749020111A
- Origin: Not specified
- Material: Refer to 'Main Material' section
- Color: Not specified
- Certifications: UL.NO (for materials)
Technical Specifications
| Parameter | Specification | Test Conditions | Notes |
|---|---|---|---|
| OCL | 350 uH Min. | 100 KHz, 100mV @25 | |
| Leakage Inductance | 0.5 uH Max. | 100KHz, 0.1V | |
| Cw/w | 25 pF Max. | 100KHz, 0.1V | |
| DCR | 1.0 Max. | @25 | |
| Turns Ratio | 1CT:1CT (TX), 1CT:1CT (RX) | 3% | |
| Insertion Loss | -1.0 dB Max. | 1-100MHz | |
| Return Loss | -18 dB Min. @ 1-40MHz -14.4 dB Min. @ 50 MHz -13.1 dB Min. @ 60 MHz -12 dB Min. @ 80 MHz -10 dB Min. @ 100 MHz | ||
| Cross Talk | -45 dB Min. @ 30 MHz -40 dB Min. @ 60 MHz -35 dB Min. @ 100 MHz | ||
| DCMR | -43 dB Min. @ 1-30 MHz -37dB Min. @ 60 MHz -33 dB Min. @ 100 MHz | ||
| Isolation HI-POT | 1500Vrms | 1mA, 1Second | |
| Operating Temperature Range | 0 to +70 | ||
| Reflow Process Temperature | 250 peak | Hi-Temp Surface Mount Packaging |
2509221110_Tokmas-749020111A-TOKMAS_C51949482.pdf
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