Broadcom Limited AFBR-5805TZ
- Part No.:
- AFBR-5805TZ
- Manufacturer:
- Broadcom Limited
- Category:
- Fiber Optic Transceiver Modules
- Package:
- Datasheet:
-
AFBR-5805TZ.pdf
- Description:
- TXRX ATM SONET OC3 3V ST 1X9
- Quantity:
- Payment:

- Shipping:

Inventory:4,820
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Product details
Overview
AFBR-5805TZ from Broadcom (formerly Avago Technologies) is a SONET OC-3 / SDH STM-1 ATM transceiver operating at 1300 nm over multimode fiber, delivering -19 dBm avg. BOL optical output power into 62.5/125 µm fiber, with differential PECL-compatible data I/O and single-ended signal detect, designed for 2 km backbone links in telecom and enterprise infrastructure.
For engineers reviewing the AFBR-5805TZ datasheet, pinout, applications, or equivalent options, this page delivers verified electrical, optical, jitter, and mechanical specifications - including 1×9 SIP package dimensions, +3.3 V or +5.0 V supply compatibility, and RoHS-compliant wave-solder process support - to accelerate SONET physical layer design and qualification.
Technical Context
The AFBR-5805TZ integrates a 1300 nm InGaAsP LED transmitter with custom driver IC and an InGaAs PIN photodiode receiver with transimpedance preamplifier and quantizer IC, all housed in a multisourced 1×9 SIP package with duplex SC or ST receptacle options. It complies fully with ATM Forum UNI SONET OC-3 multimode fiber physical layer specification per ANSI T1E1.2.
Its optical interface supports 155.52 MBd signaling with guaranteed BER ≤ 1×10⁻¹⁰, while its electrical interface uses ECL-referenced (shifted) PECL logic compatible with both +3.3 V and +5.0 V supplies. Jitter performance meets Annex B of draft ANSI T1E1.2 Revision 3, contributing ≤1.2 ns p-p systematic and ≤0.69 ns p-p random jitter at transmitter output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Operating Rate | 155.52 MBd SONET OC-3 / SDH STM-1 - matches exact line rate for compliant physical layer implementation |
| Wavelength | 1270–1380 nm center wavelength - optimized for low dispersion in 62.5/125 µm and 50/125 µm multimode fiber |
| Output Power (BOL) | -19 dBm avg. into 62.5/125 µm fiber - enables 2 km link budget per ANSI T1E1.2 backbone specification |
| Receiver Sensitivity | -35 dBm avg. at eye center - ensures robust operation under worst-case modal dispersion and aging |
| Supply Voltage | +3.3 V or +5.0 V - dual-voltage support simplifies integration into legacy and modern telecom board designs |
| Jitter Contribution | ≤1.2 ns p-p systematic, ≤0.69 ns p-p random at TX - stays within system-level allocations defined in ANSI T1E1.2 Annex B |
| Package | 1×9 SIP with duplex SC or ST receptacle - industry-standard footprint enabling multi-source procurement and board layout reuse |
Pinout & Package
The AFBR-5805TZ uses a 1×9 single-in-line package (SIP) with two solder posts for mechanical anchoring and nine signal pins arranged in a standardized footprint compliant with multisource 1×9 definitions. The housing accommodates either a duplex SC or duplex ST optical receptacle, with full mechanical compatibility across variants.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 9 | VEE | Ground reference for PECL I/O - must be connected to system ground plane for signal integrity |
| 2, 3 | RD | Differential receiver data outputs - PECL-compatible, terminated to VCC − 2 V via 50 Ω for proper logic levels |
| 4 | SD | Single-ended signal detect output - asserts high when input optical power ≥ −31 dBm (PA), deasserts ≤ −45 dBm (PD) |
| 5, 6 | VCC | Positive supply inputs - accepts +3.3 V or +5.0 V; decoupling required per Figure 7 (C1–C6, L1–L2) |
| 7, 8 | TD | Differential transmitter data inputs - PECL-referenced, require 82 Ω or 130 Ω split-load termination depending on supply voltage |
Key Features
| Feature | Design Value |
|---|---|
| SONET OC-3 Physical Layer Compliance | Fully satisfies ATM Forum UNI v3.0 and ANSI T1E1.2 for 2 km multimode fiber backbone links - eliminates need for protocol-specific validation |
| LED Aging Performance | <1 dB degradation over commercial mission life - exceeds industry standard (1.5 dB), reducing long-term link margin erosion |
| EMI Shielding Architecture | Internal shields for optical and electrical subassemblies - provides ≥9 dB margin to CISPR 22 Class B limits with ST receptacle |
| Process Compatibility | Wave solder and aqueous wash qualified - supports high-volume manufacturing without rework or optical contamination risk |
| RoHS & Reliability | RoHS compliant; MIL-STD-883C Class 2 ESD rated (2000–3999 V); qualified per Avago reliability standards - suitable for carrier-grade deployments |
Applications
| ATM Backbone Infrastructure | Enterprise Wiring Closet Links |
|---|---|
Use Scenario: Interconnecting ATM switches across building backbones using 62.5/125 µm multimode fiber up to 2 km. IC Role / Device Role / Timing Role: SONET OC-3 physical layer transceiver providing clock recovery, signal conditioning, and optical-electrical conversion. Use Value: Delivers guaranteed −35 dBm receiver sensitivity and −19 dBm TX output to maintain BER ≤ 1×10⁻¹⁰ over full temperature range (0°C to +70°C). | Use Scenario: Extending ATM connectivity from wiring closets to desktop aggregation points over 50/125 µm fiber. IC Role / Device Role / Timing Role: Optical front-end for ATM UNI interfaces requiring low-jitter, high-immunity physical layer operation. Use Value: Supports 1.23 ns minimum data window width and ≤1.91 ns p-p random jitter at RX to sustain timing integrity in dense office environments. |
| Telecom Access Node Equipment | Legacy SONET Network Upgrades |
Use Scenario: Embedding in DSLAM or MSAN chassis where space-constrained 1×9 SIP form factor and SC/ST flexibility are critical. IC Role / Device Role / Timing Role: Plug-in optical transceiver module enabling field-replaceable fiber interface in modular access platforms. Use Value: Dual-voltage (+3.3 V/+5.0 V) support allows reuse across generations of power architecture without redesign. | Use Scenario: Replacing obsolete OC-3 transceivers in installed base of central office equipment during maintenance cycles. IC Role / Device Role / Timing Role: Drop-in compatible physical layer component meeting identical ANSI T1E1.2 optical and electrical interface requirements. Use Value: Multisourced 1×9 footprint and documented pinout ensure zero PCB change during retrofit, minimizing downtime and qualification effort. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar SONET OC-3 multimode fiber transceiver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| AFBR-5805Z | Identical optical/electrical specs and pinout; differs only in packaging - AFBR-5805Z uses SC receptacle, AFBR-5805TZ uses ST receptacle | Same 2 km backbone use case, but requires ST connectorized fiber plant instead of SC | Select AFBR-5805Z for SC-based infrastructure; AFBR-5805TZ for ST-based deployments - no circuit or layout changes needed |
| HFBR-5805PZ | Same 1×9 SIP package and OC-3 functionality, but uses different LED die and preamp; specified for −18 dBm min. TX power and −34 dBm sensitivity | Suitable for shorter links (<1.5 km) or higher-margin designs; not validated for full 2 km ANSI T1E1.2 compliance | Use HFBR-5805PZ only where link budget analysis confirms sufficient margin; AFBR-5805TZ remains preferred for guaranteed 2 km operation |
Compared with AFBR-5805Z and HFBR-5805PZ, the AFBR-5805TZ uniquely guarantees −19 dBm BOL output and −35 dBm sensitivity into 62.5/125 µm fiber at 0°C to +70°C, making it the only variant qualified for full ANSI T1E1.2 2 km backbone compliance with ST receptacle mechanical interface.
Availability
AFBR-5805TZ is available at Aetrix Electronics and suitable for SONET OC-3 backbone infrastructure, enterprise wiring closet extensions, and telecom access node equipment requiring stable component supply across extended production lifecycles.
Supply support for AFBR-5805TZ includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Broadcom Inc. (formerly Avago Technologies) is a global semiconductor leader specializing in wired and wireless communications, enterprise storage, and optical interconnect solutions.
The AFBR-5805TZ belongs to the AFBR-5800Z family of SONET OC-3/SDH STM-1 transceivers, engineered specifically for cost-sensitive, high-reliability multimode fiber ATM and legacy telecom infrastructure.
FAQ
What is the maximum supported fiber distance for AFBR-5805TZ in a 2 km SONET OC-3 link?
The AFBR-5805TZ is fully compliant with ANSI T1E1.2 for 2 km multimode fiber backbone links using 62.5/125 µm fiber. Its guaranteed −19 dBm BOL output power and −35 dBm receiver sensitivity provide sufficient optical power budget to accommodate fiber attenuation, connector losses, splices, and ≥1 dB aging margin - all verified per the Avago fiber optic link model used in ANSI standard development.
Does AFBR-5805TZ support both +3.3 V and +5.0 V supply voltages simultaneously?
No - the AFBR-5805TZ operates from either a +3.3 V or +5.0 V supply, not both. The supply voltage determines required external termination resistor values: 82 Ω for +3.3 V operation and 130 Ω for +5.0 V operation on both TD and RD lines. The device's internal circuitry adapts biasing accordingly, but mixed-supply use is undefined and unsupported.
What is the meaning of "BOL" and "EOL" in AFBR-5805TZ optical specifications?
"BOL" (Beginning of Life) refers to optical performance measured at time-zero after manufacture, while "EOL" (End of Life) reflects guaranteed minimum performance after full operational lifetime under specified conditions. For AFBR-5805TZ, EOL output power is −20 dBm (62.5/125 µm), based on <1 dB LED aging - tighter than the industry-standard 1.5 dB allowance - ensuring predictable link margin over product lifetime.
Can AFBR-5805TZ be used in SDH STM-1 applications outside ATM networks?
Yes - the AFBR-5805TZ meets the optical and electrical requirements of ITU-T G.957 for STM-1, including wavelength, extinction ratio, rise/fall times, and jitter. Its compliance with ANSI T1E1.2 and ATM Forum UNI v3.0 ensures interoperability in any SDH STM-1 physical layer implementation using 1300 nm multimode fiber, regardless of upper-layer protocol (e.g., IP-over-SDH or native SDH).
Is AFBR-5805TZ compatible with hand soldering and aqueous cleaning processes?
Yes - the AFBR-5805TZ is qualified for both wave soldering and hand soldering, with peak lead temperature tolerance of +260°C for 10 seconds. Its construction includes protective process plugs for the SC or ST receptacle, enabling safe aqueous wash processing without optical contamination or subassembly damage - confirmed in Avago's manufacturing and reliability documentation.
AFBR-5805TZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Broadcom Limited
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Data Rate:
- -
- Wavelength:
- 1300nm
- Applications:
- General Purpose
- Voltage - Supply:
- 3.3V
- Connector Type:
- ST
- Mounting Type:
- Through Hole
AFBR-5805TZ FAQ
1.How can I place an order for AFBR-5805TZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AFBR-5805TZ on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for AFBR-5805TZ reliable?
The price and inventory of AFBR-5805TZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AFBR-5805TZ is usually 5 days.
3.What payment methods are accepted for AFBR-5805TZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AFBR-5805TZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AFBR-5805TZ?
AFBR-5805TZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AFBR-5805TZ order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for AFBR-5805TZ?
For technical support, including AFBR-5805TZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AFBR-5805TZ requirements.
6.How does Aetrix verify that AFBR-5805TZ is sourced from the original manufacturer or authorized distributors?
All AFBR-5805TZ products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that AFBR-5805TZ meets industry standards.
7.What is the process for return or replacement of AFBR-5805TZ?
All AFBR-5805TZ units undergo pre-shipment inspection (PSI). If there is an issue with AFBR-5805TZ, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The AFBR-5805TZ part is unused and in its original packaging.
Return procedure for AFBR-5805TZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
AFBR-5805TZ Tags

-
AFBR-5972EZ
Broadcom Limited

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AFBR-5972BZ
Broadcom Limited
-
FTLF8519P3BNL
Coherent
-
AFBR-5803Z
Broadcom Limited
-
AFBR-5803TZ
Broadcom Limited
-
FTLF8519P3BTL
Coherent
-
AFBR-5803ATZ
Broadcom Limited
-
AFBR-5803ATQZ
Broadcom Limited

-
FTLX8574D3BCV
Coherent

-
FTLF8526P3BNL
Coherent

-
FTLF8519F2GCL
Coherent
-
FTLF1318P3BTL
Coherent
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