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AFBR-5803ATZ
Broadcom Limited
TXRX OPT 1X9 100MBPS ST EXT TEMP
19488 Pcs New Original In Stock
Transceiver Module General Purpose 100Mbps 1300nm 3.3V, 5V ST Through Hole
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Minimum 1
5.0 / 5.0
- (70 Ratings)
AFBR-5803ATZ
Product Overview
6430450
DiGi Electronics Part Number
AFBR-5803ATZ-DGManufacturer
Broadcom Limited
AFBR-5803ATZ
Description
TXRX OPT 1X9 100MBPS ST EXT TEMPInventory
19488 Pcs New Original In Stock
Transceiver Module General Purpose 100Mbps 1300nm 3.3V, 5V ST Through Hole
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
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AFBR-5803ATZ Technical Specifications
Category
Fiber Optic Transceiver Modules
Packaging
Bulk
Series
-
Product Status
Active
Data Rate
100Mbps
Wavelength
1300nm
Applications
General Purpose
Voltage - Supply
3.3V, 5V
Connector Type
ST
Mounting Type
Through Hole
Base Product Number
AFBR-5803
Datasheet & Documents
HTML Datasheet
AFBR-5803ATZ-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
5A991B5A
HTSUS
8517.62.0090
Additional Information
Other Names
516-1988
AFBR5803ATZ
Standard Package
10
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
Dec 02, 2025
Le rapport qualité-prix est excellent, et leur support après-vente est inégalé.
Dec 02, 2025
Ils proposent des prix très compétitifs et un support après-vente qui inspire confiance.
Dec 02, 2025
The speed and accuracy of their order handling are truly impressive.
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Frequently Asked Questions (FAQ)
What are the key design-in risks when using the AFBR-5803ATZ in a mixed-voltage system with both 3.3V and 5V logic levels?
The AFBR-5803ATZ supports dual supply voltages (3.3V and 5V), but care must be taken to ensure signal interfacing components match the chosen logic level. When operating at 3.3V, driving or receiving signals from 5V logic without level translation can damage the transceiver or cause unreliable communication. Always verify control pin compatibility (TX_DISABLE, TX_FAULT) and use voltage translators if needed. Additionally, maintain clean power rails with proper bypassing (e.g., 0.1µF ceramics) near the Vcc pins to prevent latch-up or noise coupling in mixed-voltage environments.
How does the AFBR-5803ATZ compare to the HFBR-5803ETZ in terms of temperature performance and field reliability for industrial deployments?
The AFBR-5803ATZ and HFBR-5803ETZ are functionally similar 100Mbps ST transceivers, but the AFBR-5803ATZ is rated for extended operating temperature (-40°C to +85°C), making it better suited for industrial or outdoor applications where thermal extremes occur. The HFBR-5803ETZ typically has a narrower range (0°C to +70°C), increasing failure risk in harsh environments. For long-term reliability in variable conditions, the AFBR-5803ATZ offers superior thermal resilience and is more future-proof for design-in where ambient conditions may fluctuate.
Can the AFBR-5803ATZ be reliably used as a drop-in replacement for older fiber transceivers in legacy telecom equipment without system redesign?
The AFBR-5803ATZ can often serve as a replacement for legacy 100Mbps ST transceivers (e.g., older Agilent or HP models) due to its pin-compatible through-hole mounting and dual-voltage support. However, verify compatibility with existing control logic—particularly the TX_DISABLE signal behavior—as newer versions may have active-low disable vs. high-impedance inputs. Also confirm link budget: with a typical 1300nm output and -31dBm sensitivity, ensure fiber span and connector losses stay within the ~20dB margin. Test under worst-case temperature and aging conditions before full deployment.
What signal integrity considerations should be addressed when laying out PCB traces for the AFBR-5803ATZ in a high-noise industrial control system?
In high-noise environments, keep AFBR-5803ATZ PCB traces as short as possible, especially the differential TX and RX lines, to minimize EMI coupling. Use ground planes liberally, and separate analog (photodiode) and digital (control) ground sections with a single-point tie near the module. Apply series termination resistors (22–33Ω) close to the driver outputs if traces exceed 2 inches. Shield the ST connector if exposed to RFI, and route fiber away from AC power lines. These steps preserve signal integrity and prevent bit errors in noisy industrial settings.
What are the long-term reliability concerns with the AFBR-5803ATZ when deployed in continuously operating medical monitoring equipment?
The AFBR-5803ATZ is RoHS3 and REACH compliant with MSL-1 rating, indicating high resistance to moisture and suitability for long-life applications. However, in 24/7 medical systems, focus on thermal management—sustained operation near +85°C can accelerate LED aging and reduce link margin over time. Monitor the transmitter output power via periodic diagnostics if possible. Also, use high-quality ST connectors with dust caps when disconnected to prevent contamination. Design with a 3–5dB safety margin in the optical budget to ensure reliability over 10+ years of continuous operation.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
AFBR-5803ATZ CAD Models
Broadcom Limited AFBR-5803ATZ PCB symbols & footprints
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