BBPY00160808700Y00 Replacement: BBPY00160808800Y00, Z0603C600APMST

Original Part

BBPY00160808700Y00

Pulse Electronics

70 Ohms @ 100 MHz 1 Power Line Ferrite Bead 0603 (1608 Metric) 2.5A 50mOhm

Alternative Part

BBPY00160808800Y00

Pulse Electronics

80 Ohms @ 100 MHz 1 Ferrite Bead 0603 (1608 Metric) 2.5A 50mOhm

Z0603C600APMST

KEMET

60 Ohms @ 100 MHz 1 Power Line Ferrite Bead 0603 (1608 Metric) 2.5A 40mOhm

1. BBPY00160808800Y00 Substitution Conclusion The BBPY00160808800Y00 matches the original BBPY00160808700Y00 exactly in package size (0603), current rating (2.5A), and DC resistance (50mOhm), ensuring physical compatibility and equivalent current-carrying capability. The difference lies in the impedance @100 MHz, which increases from 70 Ohms in the original part to 80 Ohms. This higher impedance at the same frequency may provide improved suppression of high-frequency noise. This variation also results in a slight shift in filtering characteristics. If the original circuit design is sensitive to the specific impedance value—for instance, relying on the 70-Ohm attenuation curve to maintain signal integrity or EMC performance—the filter response should be re-evaluated. Otherwise, within acceptable tolerance limits, this part can serve as a direct replacement, particularly in applications where enhanced noise filtering is desired.

2. Z0603C600APMST Substitution Conclusion The Z0603C600APMST matches the original BBPY00160808700Y00 in package size (0603) and current rating (2.5A), but presents two key differences: impedance @100 MHz decreases from 70 Ohms to 60 Ohms, and DC resistance drops from 50mOhm to 40mOhm. The lower impedance may reduce noise attenuation capability in the high-frequency range (e.g., 100 MHz), potentially affecting EMI filtering performance. Conversely, the lower DCR is beneficial for reducing DC power loss and voltage drop, improving power efficiency. The manufacturer change from Pulse Electronics to KEMET may introduce supply chain or quality variations, though the technical parameters remain broadly similar. If the application does not demand stringent high-frequency filtering and prioritizes low DC loss, this part could be considered as a substitute; otherwise, testing is recommended to verify whether the filtering performance remains within acceptable limits.

Analysis ID: CD63-1ECC000

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