EMI0603R-80 Replacement: WLBD1608K2U800TP, BBGK00160808700Y00

Original Part

EMI0603R-80

Delevan

80 Ohms @ 100 MHz 1 Ferrite Bead 0603 (1608 Metric) 400mA 100mOhm

Alternative Part

WLBD1608K2U800TP

Walsin Technology Corporation

80 Ohms @ 100 MHz 1 Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm

BBGK00160808700Y00

Pulse Electronics

70 Ohms @ 100 MHz 1 Signal Line Ferrite Bead 0603 (1608 Metric) 600mA 100mOhm

1. WLBD1608K2U800TP Substitution Conclusion The WLBD1608K2U800TP serves as an excellent direct replacement for the EMI0603R-80. Both components are fully aligned in their core filtering characteristics (80Ω @ 100MHz), package size (0603), DC resistance (100mΩ), and maximum height. The primary distinction is the WLBD1608K2U800TP's rated current of 600mA, which is higher than the original part's 400mA. This substitution offers enhanced current-handling capability and improved thermal reliability without compromising any filtering performance. It constitutes a performance upgrade and is fully forward-compatible in application.

2. BBGK00160808700Y00 Substitution Conclusion The BBGK00160808700Y00 requires careful evaluation as a substitute due to key electrical parameter deviations. While its package size and DC resistance (100mΩ) are compatible, and its rated current (600mA) is higher, its nominal impedance is 70Ω @ 100MHz, which is lower than the original specification of 80Ω. At the same 100MHz frequency point, this device will provide slightly weaker noise suppression (attenuation) compared to the original design. This may impact the board's EMI filtering effectiveness, unless the circuit is not sensitive to the filter's precise impedance value or this deviation falls within the system's design margin.

Analysis ID: A1CB-4EEB000

Based on part parameters and for reference only. Not to be used for procurement or production.