SKU: 66963946953

Cudy SM100GSA-20 1.25Gb/s Single-Mode SFP Transceiver Module (20km)

Sale price$98.23 Regular price$109.14
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Description

Cudy SM100GSA-20 1.25Gb/s Single-Mode SFP Transceiver Module (20km)The Cudy SM100GSA 20 Single Mode 1. 25Gb s SFP Module delivers reliable, high speed networking for enterprise, data centre, and telecom environments. Designed with an LC connector and operating at a 1310nm FP laser wavelength, this SFP transceiver ensures stable performance for up to 20km transmission over single mode fiber (SMF). Fully compliant with the SFP Multi Source Agreement (MSA), it offers seamless integration with a wide range of networking

The Cudy SM100GSA-20 Single Mode 1.25Gb/s SFP Module delivers reliable, high-speed networking for enterprise, data centre, and telecom environments. Designed with an LC connector and operating at a 1310nm FP laser wavelength, this SFP transceiver ensures stable performance for up to 20km transmission over single-mode fiber (SMF). Fully compliant with the SFP Multi-Source Agreement (MSA), it offers seamless integration with a wide range of networking equipment, making it ideal for high-bandwidth applications such as backbone links, long-distance data transmission, and secure point-to-point connections.

Engineered for precision and durability, the SM100GSA-20 features a PIN photodetector for excellent receive sensitivity and a low jitter optical signal that complies with IEEE 802.3z and ANSI Fibre Channel standards. Its LVPECL-compatible data I/O interface and +3.3V single power supply ensure efficient operation, while low EMI and robust ESD protection provide long-term reliability in demanding environments. The module meets laser safety standard IEC-60825, ensuring safe operation in fiber optic networks.

Equipped with Digital Diagnostic Monitoring (DDM) compliant to SFF-8472, the SM100GSA-20 allows administrators to track real-time parameters such as temperature, voltage, and optical power, improving network maintenance and troubleshooting. Its signal ground isolation to case helps reduce interference, ensuring consistent and uninterrupted data transmission. RoHS compliance makes it an environmentally responsible choice without compromising on performance.

With an operating temperature range of 0°C to +60°C, the Cudy SM100GSA-20 is built for versatility, suitable for both controlled data centre environments and remote networking sites. Its compact hot-pluggable design enables quick installation and replacement without service downtime, ensuring maximum network uptime. Whether upgrading existing infrastructure or expanding network reach, this SFP module offers the stability, efficiency, and range needed for modern high-performance fiber networks.

FEATURES:

SFP package with LC connector
1310nm FP laser and PIN photo detector
Up to 20km transmission on SMF
+3.3V single power supply
LVPECL compatible data input/output interface
Low EMI and excellent ESD protection
laser safety standard IEC-60825 compliant
Compatible with RoHS
Digital Diagnostic SFF-8472 compliant
Signal Ground Isolated to Case

SPECIFICATIONS:

Transmitter Section Center Wavelength o 1260nm (Min)/ 1310nm (Typical) 1360 nm (Max)Spectral Width(RMS): 4 nm (Max)Average Output Power Po: -9 (Min)/ -3 dBm (Max)Extinction Ratio: 8dB (Min)Rise/Fall Time(20%~80%): 300 ps (Max)Total Jitter: 0.43 UI (Max)Optical Eye Diagram: IEEE 802.3z and ANSI Fibre Channel CompatibleInput Differential Impendence: 90 Ohm(Min)/ 100 Ohm (Typical)/ 110 Ohm (Max)Data Input Swing Differential: 500mV (Min)/ 2400mV (Max)TX Disable: Disable - 2.0V (Min)/ Vcc (Max), Enable - 0V (Min)/ 0.8V (Max)TX Fault: Assert - 2.0V (Min)/ Vcc (Max), Deassert - 0V (Min)/ 0.8V (Max)
Center Wavelength o 1260nm (Min)/ 1310nm (Typical) 1360 nm (Max)
Spectral Width(RMS) 4 nm (Max)
Average Output Power Po -9 (Min)/ -3 dBm (Max)
Extinction Ratio 8dB (Min)
Rise/Fall Time(20%~80%) 300 ps (Max)
Total Jitter 0.43 UI (Max)
Optical Eye Diagram IEEE 802.3z and ANSI Fibre Channel Compatible
Input Differential Impendence 90 Ohm(Min)/ 100 Ohm (Typical)/ 110 Ohm (Max)
Data Input Swing Differential 500mV (Min)/ 2400mV (Max)
TX Disable Disable - 2.0V (Min)/ Vcc (Max), Enable - 0V (Min)/ 0.8V (Max)
TX Fault Assert - 2.0V (Min)/ Vcc (Max), Deassert - 0V (Min)/ 0.8V (Max)
Receiver Section Center Wavelength: 1260 nm (Min)/ 1620 nm (Max)Receiver Sensitivity: -22 dBm (Max)Receiver Overload: -3 dBm (Min)Return Loss: 12 dB (Min)LOS Assert: -36 dBm (Min)LOS Dessert: -23 dBm (Max)LOS Hysteresis 0.5 5 (Min)Output Differential Impendence: 100 Ohm (Typical)Data Input Swing Differential: 370mV (Min)/ 2000mV (Max)Rx_LOS: Assert - 2.0V (Min)/ Vcc (Max), Deassert - 0V (Min)/ 0.8V (Max)
Center Wavelength 1260 nm (Min)/ 1620 nm (Max)
Receiver Sensitivity -22 dBm (Max)
Receiver Overload -3 dBm (Min)
Return Loss 12 dB (Min)
LOS Assert -36 dBm (Min)
LOS Dessert -23 dBm (Max)
LOS Hysteresis 0.5 5 (Min)
Output Differential Impendence 100 Ohm (Typical)
Data Input Swing Differential 370mV (Min)/ 2000mV (Max)
Rx_LOS Assert - 2.0V (Min)/ Vcc (Max), Deassert - 0V (Min)/ 0.8V (Max)
Storage Temperature (Min/Max) -40/85°C
Supply Voltage (Min/Max) 0/ +3.6V
Operating Relative Humidity (Min/Max) 5/ 95%
Product Dimensions 5.5 x 13.5 x 0.9 cm

WHAT'S IN THE BOX:

  • Cudy SM100GSA-20 Single Mode 1.25Gb/s SFP Module x1
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66963946953

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reginald braxton
Natrona Heights, US
★★★★★ 5
Good
Good value
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Reviewed in the United States on May 3, 2026
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Charity W.
Lowell, US
★★★★★ 5
Easy To Use
These work great for a really good price. I love using these when I'm making dishes that would be difficult to clean otherwise.
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Reviewed in the United States on March 15, 2026
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Patricia Randle
Dallas, US
★★★★★ 5
Good buy
Love these. Easy clean up and use. As described
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Reviewed in the United States on March 7, 2026
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Rachel
Belleville, US
★★★★★ 4
Value, Durability, Everyday Use
What I liked: - Price-to-value is the standout. These were significantly better priced than similar packs I’ve bought from local grocery stores and big discount retailers. - For everyday, disposable use—think casseroles, baked pasta, brownies, roasted veggies—the lighter weight is perfectly fine. - They stack neatly and are easy to store, which matters when you’re buying in bulk. What I didn’t like: - They’re a bit flimsier and not as thick as the store-brand pans I’ve used before. You can feel the difference when you handle them. - For heavier dishes (large lasagnas, big roasts, or anything dense with sauces), a single pan can flex more than I’d like. How I used them: - Over the past couple of weeks, I’ve used these for baking brownies, roasting chicken thighs with vegetables, and prepping freezer meals. When I expected more weight or lots of liquid, I doubled up the pans, which solved the flex issue and kept everything stable. - I also tested bending one to compare sturdiness. In the accompanying video, you’ll see me gently flexing the pan to show the “give.” In the photo, I placed this pan next to a thicker pan I bought at a regular store so you can see the difference in gauge. My takeaway: - If you need heavy-duty pans for very weighty dishes, these aren’t a perfect one-for-one replacement for thicker, premium options. However, for routine baking, storage, and serving—especially when you plan to toss the pan afterward—the cost savings make a lot of sense. - Doubling them for heavier recipes is a simple workaround that maintains stability while still keeping the overall cost lower than buying thicker single-use pans. Verdict: - I’ll be purchasing these again for everyday use and bulk meal prep. The value is strong, and the performance is solid when you match the pan to the job or double up as needed.
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Reviewed in the United States on April 15, 2026
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Rose S.
Los Angeles, US
★★★★★ 5
Easy clean up
Sturdy. Various uses.
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Reviewed in the United States on March 7, 2026

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