ACB1608M-080-T Equivalent & Substitute Parts

Part Overview

The ACB1608M-080-T is a signal line ferrite bead manufactured by TDK Corporation, designed for electromagnetic interference (EMI) suppression in 0603 (1608 Metric) surface mount applications. This component provides 80 Ohms of impedance at 100 MHz with a maximum current rating of 300mA and 500mOhm DC resistance. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and procurement continuity.

Substiute Parts

ACB1608M-080-T

TDK CorporationIn Stock: 2921ACB1608M-080-T Datasheet

Current PartRFQ

FB160808T-800Y-S

Cal-Chip Electronics, Inc.In Stock: 41083FB160808T-800Y-S Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the ACB1608M-080-T is determined by strict equivalence across the following critical parameters:

• Impedance specification: 80 Ohms @ 100 MHz (exact match required)
• Filter type: Signal Line (single line configuration)
• Package form factor: 0603 (1608 Metric) surface mount
• Physical dimensions: 0.063" L x 0.032" W (1.60mm x 0.80mm)
• Mounting compatibility: Surface mount technology

The substitute part FB160808T-800Y-S meets all core electrical and mechanical requirements for direct substitution. Current rating and DC resistance may vary within acceptable design margins provided the impedance specification and package form factor remain constant.

Parameter Comparison

Engineering Selection Recommendations

The FB160808T-800Y-S is a direct functional equivalent to the ACB1608M-080-T for signal line ferrite bead applications requiring 80 Ohms impedance at 100 MHz in 0603 package form factor. The substitute part offers the following advantages:

• Active product status ensures long-term availability and supply chain continuity
• RoHS compliance aligns with current environmental and regulatory requirements
• Improved DC resistance specification (150mOhm versus 500mOhm) reduces insertion loss
• Higher current rating (400mA versus 300mA) provides additional design margin
• Reduced height profile (0.037" versus 0.043") may improve PCB layout flexibility

Selection of the FB160808T-800Y-S eliminates obsolescence risk while maintaining electrical equivalence for EMI suppression functionality.

Frequently Asked Questions (FAQ)

Q: Can the FB160808T-800Y-S be used as a direct replacement for the ACB1608M-080-T?

A: Yes. Both components share identical impedance specification (80 Ohms @ 100 MHz), filter type (signal line), package form factor (0603 / 1608 Metric), and mounting technology (surface mount). The substitute part meets all core electrical and mechanical requirements for direct substitution.

Q: What are the differences between these two ferrite beads?

A: The primary differences are product status, compliance certifications, and performance characteristics. The FB160808T-800Y-S is an active product with RoHS compliance, lower DC resistance (150mOhm versus 500mOhm), higher current rating (400mA versus 300mA), and reduced height (0.037" versus 0.043"). The ACB1608M-080-T is obsolete and RoHS non-compliant.

Q: Are there any PCB layout considerations when switching to the FB160808T-800Y-S?

A: The substitute part has a slightly reduced height (0.037" versus 0.043") and marginally narrower width (0.031" versus 0.032"), both within standard 0603 package tolerances. No PCB layout modifications are required for direct substitution.

Q: Does the lower DC resistance of the FB160808T-800Y-S affect circuit performance?

A: The lower DC resistance (150mOhm versus 500mOhm) of the substitute part reduces insertion loss in the signal path, which is a performance improvement. This change does not compromise EMI suppression functionality and may enhance overall circuit efficiency.

Q: What is the operating temperature range for the FB160808T-800Y-S?

A: The substitute part operates across -55°C to 125°C, providing standard industrial temperature range coverage suitable for most applications.