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Broadcom Limited AFBR-395025RZ
- Part No.:
- AFBR-395025RZ
- Manufacturer:
- Broadcom Limited
- Category:
- Optoelectronics Accessories
- Package:
- Datasheet:
-
AFBR-395025RZ.pdf
- Description:
- FIBER OPTIC RECEIVER 50MBAUD
- Quantity:
- Payment:
- Shipping:
Inventory:1,161
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Product details
Overview
AFBR-395025RZ from Broadcom is a high-voltage galvanic insulation link for DC to 50 Mbaud data transmission, integrating optical transmitter and receiver at 650 nm wavelength, with 25 mm creepage/clearance distance, 15 kV peak transient voltage suppression, and CMOS/TTL I/O compatibility for direct interface with microcontrollers and gate drivers.
For engineers reviewing the AFBR-395025RZ datasheet, pinout, applications, or equivalent options, key selection criteria include verified 15 kV IEC 60644 transient rating, non-inverted signal path with ≤50 ns propagation delay, RoHS-compliant UL-V0 housing (CTI 600), and dual supply support (3.3 V or 5 V) without encoding circuitry.
Technical Context
The AFBR-395025RZ implements a fully integrated optocoupler architecture with monolithically integrated photodiode and transimpedance amplifier in the receiver, and LED driver with power-on reset (POR) in the transmitter. It operates DC-coupled with no data encoding required, supporting NRZ signaling up to 50 Mbaud.
Its isolation barrier meets IEC 60747-5-5 certification and delivers 10.5 kV effective isolation voltage (VISO), 4.25 kV peak working voltage (VIORM), and 10¹¹ Ω insulation resistance at +100°C - all validated for 1-inch (25 mm) physical separation between input and output terminals.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Signaling Rate | DC to 50 Mbaud - supports high-speed digital control signals without Manchester encoding or clock recovery circuitry. |
| Transient Voltage Suppression | 15 kV peak (IEC 60644) - enables robust operation in medium-voltage motor drives and smart grid interfaces. |
| Creepage & Clearance | 25 mm - satisfies reinforced insulation requirements for functional safety in industrial inverters per IEC 61800-5-1. |
| Propagation Delay | ≤50 ns - ensures deterministic timing for real-time PWM feedback loops in servo and PFC controllers. |
| Supply Voltage Range | 3.135–5.25 V for both Tx and Rx - allows direct connection to 3.3 V or 5 V logic rails without level-shifting. |
| Power Supply Noise Immunity | 0.1–0.4 Vpp - suppresses switching noise from adjacent power stages in high-di/dt environments. |
| Insulation Resistance | ≥10¹¹ Ω @ +100°C - guarantees long-term reliability under thermal stress in enclosed power modules. |
Pinout & Package
AFBR-395025RZ uses a through-hole, dual-inline 8-pin package with 25.4 mm body length and 2.54 mm pin pitch. The housing is UL-V0 rated with Comparative Tracking Index (CTI) of 600, designed for manual or wave soldering (MSL Class 3).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (Tx) | Transmitter VCC | Positive supply for LED driver; must be decoupled with 10 μF + 100 nF capacitors per datasheet layout. |
| 2 (Tx) | No function | Internally unused; connect to signal ground per recommended drive circuit. |
| 3 (Tx) | GND | Transmitter ground reference; separate from receiver ground to maintain isolation integrity. |
| 4 (Tx) | Data_in | CMOS/TTL-compatible digital input; accepts 0–0.8 V low, 2–VCCTx high; 7 pF input capacitance minimizes signal distortion. |
| 5 (Rx) | No function | Internally unused; connect to signal ground per recommended drive circuit. |
| 6 (Rx) | Receiver VCC | Positive supply for TIA and output driver; independent biasing enables asymmetric supply configurations. |
| 7 (Rx) | GND | Receiver ground reference; galvanically isolated from Tx GND; critical for noise rejection. |
| 8 (Rx) | Data_out | Non-inverted CMOS/TTL output; VOH ≥2.5 V, VOL ≤0.4 V, rise/fall times ≤5 ns into 15 pF load. |
Key Features
| Feature | Design Value |
|---|---|
| DC-coupled CMOS/TTL I/O | Eliminates need for external encoding/decoding ICs or AC coupling capacitors - reduces BOM count and PCB area in gate driver interfaces. |
| Integrated POR with 10 µs Tx / 10 ms Rx delay | Prevents metastable output states during power-up; ensures clean startup in motor control sequencers and PLC I/O modules. |
| Laser Class 1 compliance (IEC 60825) | Enables safe integration into open-frame industrial equipment without additional optical shielding or interlocks. |
| UL-V0 housing with CTI 600 | Supports high-density PCB layouts in compact inverters by enabling tighter trace spacing across isolation barrier without tracking risk. |
| IEC 60747-5-5 certified | Validates lifetime reliability under partial discharge stress - required for safety-certified designs in energy infrastructure applications. |
Applications
| Motor Drives & Inverters | Smart Grid Distribution |
|---|---|
Use Scenario: Isolating PWM signals between MCU and IGBT gate drivers in 3-phase VFDs operating at 690 VAC bus voltage. IC Role / Device Role / Timing Role: Galvanic insulation link providing reinforced isolation for control-to-power domain boundary with ≤50 ns timing skew. Use Value: Enables compact, high-efficiency inverter designs meeting IEC 61800-5-1 reinforced insulation requirements without external level shifters or delay compensation. | Use Scenario: Signal isolation in intelligent electronic devices (IEDs) monitoring medium-voltage transformers (15–36 kV). IC Role / Device Role / Timing Role: High-voltage barrier for status and trip command signals between sensor front-end and communication processor. Use Value: Delivers 15 kV transient immunity and 10¹¹ Ω insulation resistance at elevated ambient temperature - ensuring uptime in outdoor substation environments. |
| Regulated Distribution Transformers | Onboard Galvanic Insulation |
Use Scenario: Feedback loop isolation in digitally controlled tap changers where secondary-side sensing must remain referenced to primary ground. IC Role / Device Role / Timing Role: Bidirectional-capable (non-inverted) isolation channel for analog-digital hybrid control paths. Use Value: Maintains signal fidelity (PWD ≤+8 ns) and deterministic latency (tD ≤50 ns) across wide temperature range (–40°C to +85°C), critical for closed-loop regulation stability. | Use Scenario: Single-PCB isolation between high-noise power stage and low-noise analog measurement circuitry in battery management systems. IC Role / Device Role / Timing Role: Compact 25 mm creepage solution replacing discrete optocouplers + external filtering components. Use Value: Reduces component count by 3–4 parts per channel while improving noise immunity (PSNI = 0.1–0.4 Vpp) and eliminating ground loop errors. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-voltage galvanic insulation applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Si8640ED-B-IS | Capacitive isolation; 5 kV RMS rating; 150 Mbps max; no optical emitter/receiver; lower CMTI (75 kV/μs). | Not certified to IEC 60747-5-5; unsuitable for safety-critical medium-voltage transformer monitoring. | Select when board space is constrained and 5 kV isolation suffices - not for 15 kV transient environments. |
| ACPL-K30T-000E | Optocoupler-based; 5 kV RMS; 50 MBd; slower propagation delay (≤100 ns); no integrated POR; RoHS compliant but UL-V0 not specified. | Lacks IEC 60644 15 kV transient rating and CTI 600 housing - limited to low-energy industrial controls. | Acceptable for cost-sensitive 3.3 V systems where 15 kV surge immunity is not mandated. |
Compared with Si8640ED-B-IS and ACPL-K30T-000E, the AFBR-395025RZ uniquely combines 15 kV transient suppression, IEC 60747-5-5 certification, and 25 mm creepage in a single-component solution - making it the only option qualified for smart grid onboard insulation and regulated distribution transformer feedback loops.
Availability
AFBR-395025RZ is available at Aetrix Electronics and suitable for motor drives, smart grid distribution systems, and regulated distribution transformers requiring stable component supply, long-lifecycle availability, and certified high-voltage isolation performance.
Supply support for AFBR-395025RZ 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. is a global semiconductor leader specializing in infrastructure software, networking, and connectivity solutions, with deep expertise in optical communications and isolation technologies.
The AFBR-3950xxRZ product line was engineered specifically for high-reliability galvanic insulation in medium-voltage power electronics, targeting applications demanding certified transient immunity, long creepage, and deterministic timing - such as industrial inverters and smart grid protection systems.
FAQ
What is the maximum transient voltage rating for AFBR-395025RZ?
The AFBR-395025RZ is rated for 15 kV peak transient voltage suppression per IEC 60644, validated at the 1-inch (25 mm) pin separation. This rating applies to surge events up to 60 seconds duration and is confirmed by type testing - not extrapolated from shorter lengths. The AFBR-395025RZ maintains this rating across its full operating temperature range (–40°C to +85°C).
Does AFBR-395025RZ require external encoding or clock recovery circuitry?
No, the AFBR-395025RZ supports DC-coupled CMOS/TTL input-output with no data encoding required. Its optical link preserves NRZ signal integrity directly, enabling seamless interface with microcontrollers, FPGAs, and gate drivers. The AFBR-395025RZ achieves this via integrated LED driver and photodiode-based receiver with transimpedance amplifier - eliminating need for Manchester encoders or PLL-based clock recovery.
What are the power supply requirements for AFBR-395025RZ?
The AFBR-395025RZ accepts 3.135–5.25 V on both VCCTx and VCCRx pins, supporting either 3.3 V or 5 V operation without modification. Each supply must be independently decoupled: 10 μF + 100 nF for transmitter, 100 nF for receiver. Supply current is ≤31 mA (Tx) and ≤30 mA (Rx) at 50 Mbaud - measured per AV02-4884EN Section 5.
Is AFBR-395025RZ certified to international safety standards?
Yes, the AFBR-395025RZ is certified to IEC 60747-5-5 for optocouplers and complies with IEC 60644 for transient voltage suppression. It carries Laser Class 1 certification per IEC 60825 and uses UL-V0 housing material with CTI 600 - all documented in Broadcom's AV02-4884EN datasheet. These certifications are specific to the AFBR-395025RZ variant, not inferred from family-level claims.
What is the propagation delay and skew specification for AFBR-395025RZ?
The AFBR-395025RZ has a maximum propagation delay of 50 ns (measured from 1.5 V rising edge of Data_in to 50% of rising edge of Data_out) and skew ≤5 ns across units at 50 Mbaud. These values are guaranteed over temperature (–40°C to +85°C) and supply voltage (3.135–5.25 V), and are measured under NRZ conditions with CL = 15 pF and RL = 50 kΩ - as specified in AV02-4884EN Table 5.
AFBR-395025RZ Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Broadcom Limited
- Series:
- -
- Packaging:
- Tube
- Product Status:
- Active
- Accessory Type:
- Galvanic Insulation Link
- For Use With/Related Products:
- -
AFBR-395025RZ FAQ
1.How can I place an order for AFBR-395025RZ through Aetrix?
Please submit a Request for Quotation (RFQ) for AFBR-395025RZ 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-395025RZ reliable?
The price and inventory of AFBR-395025RZ are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for AFBR-395025RZ is usually 5 days.
3.What payment methods are accepted for AFBR-395025RZ?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for AFBR-395025RZ transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for AFBR-395025RZ?
AFBR-395025RZ orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your AFBR-395025RZ 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-395025RZ?
For technical support, including AFBR-395025RZ datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your AFBR-395025RZ requirements.
6.How does Aetrix verify that AFBR-395025RZ is sourced from the original manufacturer or authorized distributors?
All AFBR-395025RZ 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-395025RZ meets industry standards.
7.What is the process for return or replacement of AFBR-395025RZ?
All AFBR-395025RZ units undergo pre-shipment inspection (PSI). If there is an issue with AFBR-395025RZ, 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-395025RZ part is unused and in its original packaging.
Return procedure for AFBR-395025RZ:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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