EMI0805R-2000 Ferrite Bead Equivalent & Substitute Parts

Part Overview

The EMI0805R-2000 is a 2 kOhm ferrite bead manufactured by API Delevan Inc., designed for single-line signal filtering in 0805 (2012 Metric) surface mount applications. This component operates across a temperature range of -55°C to 125°C and is rated for 200mA maximum current with 500mOhm DC resistance. The part is currently in active production status and ROHS3 compliant.

Substitute parts become necessary due to inventory availability, lead time constraints, manufacturing discontinuation, or specific application requirements that may benefit from alternative electrical characteristics within acceptable tolerance ranges.

Substiute Parts

EMI0805R-2000

API Delevan Inc.In Stock: 840EMI0805R-2000 Datasheet

Current PartRFQ

2508052027Z0

Fair-Rite Products Corp.In Stock: 130172508052027Z0 Datasheet

Parametric EquivalentRFQ

742792090

Würth ElektronikIn Stock: 25454742792090 Datasheet

Parametric EquivalentRFQ

742792094

Würth ElektronikIn Stock: 64281742792094 Datasheet

Parametric EquivalentRFQ

BLM21BD182SN1D

Murata ElectronicsIn Stock: 3483BLM21BD182SN1D Datasheet

Parametric EquivalentRFQ

FB201209T-182Y-S

Cal-Chip Electronics, Inc.In Stock: 40958FB201209T-182Y-S Datasheet

Parametric EquivalentRFQ

FB201209T-222Y-S

Cal-Chip Electronics, Inc.In Stock: 40871FB201209T-222Y-S Datasheet

Parametric EquivalentRFQ

MMZ2012Y202BT000

TDK CorporationIn Stock: 29113MMZ2012Y202BT000 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute ferrite beads for the EMI0805R-2000 are grouped based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

• Package / Case: 0805 (2012 Metric) surface mount form factor
• Number of Lines: Single line configuration
• Operating Temperature Range: -55°C to 125°C minimum
• Impedance @ 100 MHz: 2 kOhms nominal (±10% tolerance acceptable)
• Current Rating: Minimum 200mA
• DC Resistance: Maximum 500mOhm

Substitution Categories:

Exact Match (2 kOhm @ 100 MHz): Parts with identical impedance specification allow direct replacement without circuit redesign.

Near-Equivalent (1.8 kOhm - 2.2 kOhm @ 100 MHz): Parts within ±10% impedance tolerance provide functional equivalence for most signal filtering applications. These parts maintain the same package, temperature range, and current rating.

Enhanced Current Rating: Parts rated for 250mA or 400mA provide superior performance margin while maintaining all other critical parameters.

Parameter Comparison

Engineering Selection Recommendations

Direct Replacement (No Circuit Modification Required):

2508052027Z0 (Fair-Rite Products Corp.) provides exact impedance matching at 2 kOhms with improved DC resistance (400mOhm vs. 500mOhm). Active production status and ROHS3 compliance ensure long-term availability and regulatory alignment.

Near-Equivalent Substitutes (±10% Impedance Tolerance):

742792090 and FB201209T-182Y-S both provide 1.8 kOhm impedance with reduced DC resistance. These are suitable for applications where impedance variation within ±10% is acceptable.

742792094 and FB201209T-222Y-S both provide 2.2 kOhm impedance with matching DC resistance. These are suitable for applications where impedance variation within ±10% is acceptable.

Enhanced Performance Option:

BLM21BD182SN1D (Murata Electronics) offers 250mA current rating versus the standard 200mA, providing additional thermal margin. This part maintains ROHS3 compliance and active production status.

Inventory Consideration:

MMZ2012Y202BT000 (TDK Corporation) matches impedance and DC resistance specifications exactly but carries Last Time Buy status, indicating discontinued production. This part should be selected only when other options are unavailable and long-term supply is not required.

Frequently Asked Questions (FAQ)

Q: Can I use a 1.8 kOhm ferrite bead as a substitute for the 2 kOhm EMI0805R-2000?

A: Yes, within the ±10% impedance tolerance standard for ferrite bead applications. Parts such as 742792090, BLM21BD182SN1D, and FB201209T-182Y-S provide 1.8 kOhm impedance and maintain all other critical parameters including package, temperature range, and current rating.

Q: What is the difference between the 400mOhm and 500mOhm DC resistance options?

A: DC resistance affects power dissipation and insertion loss. Lower DC resistance (400mOhm) reduces heat generation and signal attenuation. The EMI0805R-2000 specifies 500mOhm maximum; substitutes with 400mOhm provide improved performance characteristics while remaining functionally equivalent.

Q: Are all substitute parts ROHS3 compliant?

A: Most substitutes listed are ROHS3 compliant. Cal-Chip Electronics parts (FB201209T-182Y-S and FB201209T-222Y-S) carry RoHS Compliant status without specific ROHS3 designation. Verify compliance requirements for your specific application before selection.

Q: Can I use the MMZ2012Y202BT000 as a long-term solution?

A: MMZ2012Y202BT000 carries Last Time Buy status, indicating TDK has discontinued this product line. While currently in stock, this part should not be selected for new designs or applications requiring long-term supply continuity. Select from Active status parts for sustained production requirements.

Q: Does the higher current rating (250mA or 400mA) of some substitutes affect compatibility?

A: No. Higher current ratings provide additional thermal margin and do not negatively impact circuit performance. Parts rated for 250mA or 400mA are fully compatible with applications designed for 200mA operation.

Q: Are there package dimension differences between substitute parts?

A: All listed substitutes use the 0805 (2012 Metric) package. Minor height variations exist (1.05mm to 1.10mm maximum), which do not affect PCB layout or assembly compatibility for standard surface mount applications.