| General Features |
|---|
| Part Number | ET4202-SX |
| Product Type | 1G 550 m SFP Transceiver |
| Data Rate | Up to 1.25 Gb/s |
| Optical Source | 850 nm VCSEL laser and PIN photo-detector |
| Max. Reach | Up to 550 m on 50/125 µm multi-mode fiber (MMF) |
| Optical Interface | Duplex LC receptacle (compliant) |
| Hot Pluggable | Yes |
| RoHS | Compliant |
| Operating Temperature (Commercial) | 0°C ~ +70°C |
| Standards Compliance | SFP MSA (Multi-Source Agreement), SFF-8472 |
| Ordering Information |
|---|
| Part Number | ET4202-SX |
| Transmitter Wavelength | 850 nm |
| Output Power | -9.0 ~ -3.0 dBm |
| Sensitivity | -18.0 dBm |
| Reach | 550 m |
| Temperature | 0 ~ 70 °C |
| DDM (Digital Diagnostic Monitoring) | Available |
| RoHS | Compliant |
| Absolute Maximum Ratings |
|---|
| Parameter | Symbol | Minimum | Maximum | Unit |
|---|
| Storage Temperature | Ts | -40 | 85 | °C |
| Relative Humidity | RH | 0 | 85 | % |
| Supply Voltage | Vcc | 0 | 3.6 | V |
|
| Recommended Operating Conditions |
|---|
| Parameter | Symbol | Minimum | Typical | Maximum | Unit |
|---|
| Operating Case Temperature | Tc | 0 | 25 | 70 | °C |
| Supply Voltage | Vcc | 3.135 | 3.3 | 3.465 | V |
| Data Rate per Channel | – | – | 1.25 | – | Gb/s |
|
| Transceiver Electrical Characteristics |
|---|
| Parameter | Symbol | Minimum | Typical | Maximum | Unit |
|---|
| Input Differential Impedance | Rin | 90 | 100 | 110 | Ω |
| Single Ended Data Input Swing | Vin PP | 250 | – | 1000 | mV |
|
| Transmitter Optical Characteristics |
|---|
| Parameter | Symbol | Minimum | Typical | Maximum | Unit |
|---|
| Launch Optical Power | Po | -9 | – | -3 | dBm |
| Center Wavelength Range | λc | 830 | 850 | 860 | nm |
| Extinction Ratio | ER | -9 | – | – | dB |
|
| Receiver Optical Characteristics |
|---|
| Parameter | Symbol | Minimum | Maximum | Unit |
|---|
| Center Wavelength | λc | 830 | 860 | nm |
| Receiver Sensitivity in Average Power | Sen | -18 | – | dBm |
|
| Pin Description |
|---|
| Pin | Signal | Pin | Signal |
|---|
| 1 | VeeT | 11 | VeeR |
| 2 | TxFault | 12 | RD- |
| 3 | TxDisable | 13 | RD+ |
| 4 | MOD-DEF (2) | 14 | VeeR |
| 5 | MOD-DEF (1) | 15 | VccR |
| 6 | MOD-DEF (0) | 16 | VccT |
| 7 | Rate Select | 17 | VeeT |
| 8 | LOS | 18 | TD+ |
| 9 | VeeR | 19 | TD- |
| 10 | VeeR | 20 | VeeT |
|
| Applications |
|---|
| Applications | Gigabit Ethernet; Fiber Channel; Router/Server Interface |
