HFBR-2521ETZ
Broadcom/AVAGO
Needs validationmedium risk
HFBR-2521ETZ closely matches the 5 MBd 5 V horizontal receiver role.
Best Alternatives to HFBR-2521Z
HFBR-2521Z is a 5 MBd 5 V horizontal Versatile Link POF receiver. Closest options still need pinout and package review.
AI replacement insight
Electrical riskmedium
Output type and timing need checks.
Package riskhigh
Several candidates change pins or orientation.
Firmware risklow
No protocol stack implied.
Sourcing riskmedium
Some lifecycle fields are blank.
Can it be replaced directly?
No pin-compatible replacement is proven from the provided fields.
Best replacement path
Start with HFBR-2521ETZ, then verify pin functions, suffix, and mechanical drawing.
Main risk
Pinout evidence is missing for all candidates.
Recommended alternatives
4Alternative comparison matrix
| Feature / factor | HFBR-2521Z | HFBR-2521ETZ | HFBR-2531Z | AFBR-2529Z | Compatibility / risk |
|---|---|---|---|---|---|
| Package | Versatile Link horizontal | Versatile Link horizontal | vertical | horizontal VL | Versatile Link horizontal / vertical / horizontal VL — same mount shown; HFBR-2531Z: layout change; AFBR-2529Z: 4-pin type; AFBR-2624Z: 4-pin type |
| Pinout | 8 pins | 8 pins | 8 pins | 4 pins | 8 pins / 4 pins — functions not shown; HFBR-2531Z: not proven; AFBR-2529Z: not P2P; AFBR-2624Z: not P2P |
| Voltage | 5 V | 4.75-5.25 V | 4.75-5.25 V | 3.3/5 V | 4.75-5.25 V / 3.3/5 V — 5 V rail; HFBR-2531Z: same rail; AFBR-2529Z: dual rail; AFBR-2624Z: supports 5 V |
| Temperature | -40 to 85 C | -40 to 85 C | -40 to 85 C | -40 to 85 C | -40 to 85 C — range covers; HFBR-2531Z: range covers; AFBR-2529Z: range covers; AFBR-2624Z: range covers |
| Interface | 5 MBd POF | 5 MBd POF | 5 MBd POF | 50 MBd POF/PCS | 5 MBd POF / 50 MBd POF/PCS — same rate; HFBR-2531Z: same rate; AFBR-2529Z: faster part; AFBR-2624Z: faster class |
Application & sourcing insights
Questions & answers
HFBR-2521ETZ is the closest listed candidate, but pinout and suffix details must be checked.