FCLF8521P2BTL 1000BASE-T Copper Small Form Pluggable (SFP) transceivers are based on the SFP Multi Source Agreement (MSA). They are compatible with the Gigabit Ethernet and 1000BASE-T standards as specified in IEEE Std 802.3. The optical transceiver is RoHS compliant as described in Application Note AN-2038. The 1000BASE-T physical layer IC (PHY) can be accessed via I2C, allowing access to all PHY settings and features.
• Up to 1.25 Gb/s bi-directional data links
• Hot-pluggable SFP footprint
• Gigabit Ethernet over Cat 5 cable
• Industrial temperature range: -40°C to 85°C
• Fully metallic enclosure for low EMI
• RoHS compliant and Lead Free
• Low power dissipation (1.05 W typical)
• Compact RJ-45 connector assembly
• Access to physical layer IC via 2-wire serial bus
• 10/100/1000 BASE-T operation in host systems with SGMII interface

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FCLF8521P2BTL Specification |
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Distance |
100 m |
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Data |
1.25 Gb/s |
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Protocol |
1000Base-T Compliant |
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Connector |
RJ-45 |
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Operating Supply Voltage |
3.3 V |
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Operating Temperature |
-40 to 85 °C |
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Pin Count |
20 |
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Product Dimensions |
70.2 x 13.27 x 13.4 mm |
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Screening Level |
Extended |
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Type |
TX/RX |
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Typical Rise Time |
0.175(Typ) ns |