| Usage: | Telephone, Computer, Workstation, Server, Mobile phone, Laptop |
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| Type: | Wireless |
| Support Network: | Ethernet |
| Samples: |
100G QSFP28 SR4 Modules
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier The QSFP28-100G-SR4 Compatible QSFP28 Optical Transceiver Module supports 100GBASE Ethernet with up to 100m OM4 multimode fiber (MMF) reach at 850nm via an MTP/MPO-12 connector. Compliant with IEEE 802.3bm 100GBASE-SR4 and CAUI-4 standards, it offers digital diagnostics via the I2C interface per the QSFP28 MSA. This hot-swappable module is suitable for data centers, high-performance computing, and enterprise applications. Additionally, the QSFP28 SR4 is designed for 100/40 Gigabit Ethernet and Infiniband FDR/EDR applications, with each lane supporting speeds up to 25.78125Gbps over 70m (OM3) or 100m (OM4) fiber. It uses an 850nm wavelength, multimode fiber, a 38-contact edge type connector, and a 12-fiber MTP (MPO) connector. Incorporating SINTAI's circuit and VCSEL technology, it provides reliable, high-performance service.
TRANSMITTER CHARACTERISTICS (TC=25°C, UNLESS OTHERWISE NOTED)
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Center Wavelength | λ | 840 | 850 | 860 | nm | |
| RMS Spectral Width | RSM | 0.6 | nm | |||
| Average launch power, each lane | Pf | -8.4 | 2.4 | dBm | ||
| Optical Modulation Amplitude (OMA), each lane | Tx OMA | -6.4 | 3 | dBm | ||
| Average launch power of OFF transmitter, each lane | -30 | dBm | ||||
| Extinction ratio | ER | 3 | dB | |||
| Optical return loss tolerance | 12 | dB |
| Parameter | Symbol | Min | Typical | Max | Unit | Notes |
| Center wavelength | λ | 840 | 850 | 860 | nm | |
| Damage threshold | 3.4 | dBm | ||||
| Receiver sensitivity (OMA) | SOMA | -7.2 | dB | BER@5E-5 | ||
| Receiver reflectance | -12 | dB | ||||
| LOS Assert | LOSA | -30 | dBm | |||
| LOS De-Assert | LOSD | -10.5 | dBm | |||
| LOS Hysteresis | LOSH | 0.5 | dB |
Product Features
· Compliant to QSFP28 MSA
· SFF-8636 Specification
· Wide Operating Temperature(0°C~70°C)
· 4x25Gbps and 4x27.95Gbps 850nm VCSEL-based Transmitter
· RoHS compliant
Applications
· 100GBASE-SR4
· 100G Ethernet
· Data Center Backbone
· Other optical links
Q: Do you support customization?
A: Definitely yes, customization is available according to your product requirements.
Q: Can l get a sample first?
A: We do offer samples before making any production so that the production is up to the buyer's ex-pectation. Samples can be delivered within 5-8 days.
Q: What is your MOQ?
A: 1 piece is available. We can also provide free samples for our valued customers.
Q: How much will the shipping charges be?
A: It depends on the size of your shipment and the method of shipping. We will offer the charge to you as you requested. If you have another question, please contact us.
Q: Are you real manufacturer?
A: Yes, our factory is located in Suzhou, China, 12 years experience.
Suppliers with verified business licenses
Audited Supplier 
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