Place of Origin:
Wuhan China
Brand Name:
Springtek
Certification:
ISO9001 RoHS FCC CE
Model Number:
S-SC1GCWLA2-CD-XX
OEM Cisco Compatible 1270~1610nm LC 1.25Gbps 120km CWDM SFP With DDM Transceiver Module
Ordering information
| Part Number | Product Description |
| S-SC1GCWLA2-CD-xx | SFP, 1.25Gbps,CWDM1270nm~1610nm, SM, 120km, LC,0ºC~+70ºC, With DDM |
| S-SC1GCWLA2-ID-xx | SFP, 1.25Gbps, CWDM1270nm~1610nm, SM, 120km,LC, -40ºC~+85ºC, With DDM |
Description
Springtek CWDM SFP transceivers are high performance, cost effective modules supporting 1.25Gbps and 120km transmission distance with SMF.
The transceiver consists of three sections: a CWDM LD transmitter, a APD photodiode integrated with a trans-impedance preamplifier (TIA). Springtek CWDM SFP modules satisfy class I laser safety requirements.
The transceivers are compatible with SFP Multi-Source Agreement (MSA) and SFF-8472. For further information, please refer to SFP MSA.
Features
1.25Gbps operation
+3.3V single power supply
High-performance and cost-effective
CWDM LD and APD photodetector for 120km trans-mission
Compliant with SFP MSAand SFF-8472 with duplex LC receptacle
Digital Diagnostic Monitoring
Compatible with SONET OC-24
Operating case temperature:0 to +70°C -40 to +85°C
RoHS compliant (lead free)
Applications
Gigabit Fiber Channel
Switch to Switch interface
Switched backplane applications
Router/Server interface
Other optical transmission systems
Absolute Maximum Ratings
| Parameter | Symbol | Min | Typ | Max | Unit |
| Power Supply Voltage | Vcc | -0.5 | 4 | V | |
| Storage Temperature Range | Ts | -40 | 85 | °C | |
| Relative Humidity - Storage | RHS | 0 | 95 | % | |
| Relative Humidity - Operating | RHO | 0 | 85 | % |
Recommended Operating Conditions
| Parameter | Symbol | Min | Typ | Max | Unit |
| Case Operating Temperature Range | Tc | 0 | - | 70 | °C |
| -40 | - | 85 | |||
| Power Supply Voltage | Vcc | 3.14 | 3.3 | 3.47 | V |
| Supply Current | Icc | - | - | 300 | mA |
| Data Rate | BR | - | 1.25 | - | Gbps |
Electrical Characteristics
| Transmitter Electrical Characteristics | ||||||
| Parameter | Symbol | Min | Typ | Max | Unit | |
| Differential Input Voltage Swing | VIN | 400 | - | 2000 | mV | |
| Tx Differential Input Impendence | ZIN | - | 100 | - | Ω | |
| Transmitter Disable Voltage | VDIS | 2.0 | - | VCC+0.3 | V | |
| Transmitter Enable Voltage | VEN | 0 | - | 0.8 | V | |
| TFAULT Logic High | VTFH | 2.4 | - | VCC | V | |
| TFAULT Logic Low | VTFL | VEE | - | VEE+0.4 | V | |
| Receiver Electrical Characteristics | ||||||
| Parameter | Symbol | Min | Typ | Max | Unit | |
| Differential output Voltage Swing | VOUT | 400 | - | 1000 | mV | |
| Rx Differential Output Impendence | ZOUT | - | 100 | - | Ω | |
| LOS Assert Voltage | VLOSA | 2.4 | - | VCC | V | |
| LOS De-assert Voltage | VLOSD | VEE | - | VEE+0.4 | V | |
Optical and Electrical Characteristics
| Transmitter Characteristics | ||||||
| Parameter | Symbol | Min | Typ | Max | Unit | Notes |
| Laser Type | CWDM-LD | |||||
| Data Rate | - | - | 1.25 | - | Gb/s | |
| Center Wavelength Range | λ | λc –6.5 | λc | λc +6.5 | nm | 1 |
| Spectral Width@-20dB | Δλ | - | - | 1 | nm | |
| Average Launch power of OFF transmitter | POFF | - | - | -40 | dBm | |
| Launch Optical Power | Pout | 0 | - | 5 | dBm | 2 |
| Extinction Ratio | ER | 8.5 | - | - | dB | |
| Receiver Characteristics | ||||||
| Receiver Type | APD | |||||
| Data Rate | - | - | 1.25 | - | Gb/s | |
| Operating Central Wavelength | λ | 1260 | - | 1610 | nm | |
| Receiver Sensitivity (OMA) | Sen | - | - | -31 | dBm | 3 |
| Receiver Overload | PSAT | -8 | - | - | dBm | |
| LOS Assert | LOSA | -45 | - | - | dBm | |
| LOS De-Assert | LOSD | - | - | -31 | dBm | |
| LOS Hysteresis | LOSH | 0.5 | 3 | 5 | dB | |
| Notes | ||||||
|
1.λc=1270nm,1290nm,1310nm,1330nm,1350nm,1370nm,1390nm,1410nm,1430nm, 1450nm,1470nm,1490nm,,1510nm,1530nm,1550nm,,1570nm,1590nm,1610nm, 2. Average power figures are informative only, specified in IEEE802.3z 3. Measured with 27-1 PRBS@1.25Gbps,BER<10-12 |
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General Specifications
| Parameter | Symbol | Min | Typ | Max | Unit | Notes |
| Bit Rate | BR | - | 1.25 | - | Gb/s | |
| Bit Error Ratio | BER | - | - | 10-12 |
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