PMC0805-600 Equivalent & Substitute Parts

Part Overview

The PMC0805-600 is a 60 Ohm ferrite bead in 0805 (2012 Metric) surface mount package manufactured by Bourns Inc. This component is designed for single-line EMI suppression applications with a maximum current rating of 400mA and DC resistance of 300mOhm. The part is classified as obsolete, making equivalent substitutes necessary for new designs and ongoing production requirements.

Key Parameters

Parameter	Value
Impedance @ 100 MHz	60 Ohms
Current Rating (Max)	400mA
DC Resistance (Max)	300mOhm
Package / Case	0805 (2012 Metric)
Mounting Type	Surface Mount
Operating Temperature	-55°C ~ 125°C
Number of Lines	1
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the PMC0805-600 is determined by strict adherence to the following electrical and mechanical parameters:

Critical Matching Parameters:

Impedance @ 100 MHz: 60 Ohms (±tolerance as specified by manufacturer)
Package / Case: 0805 (2012 Metric)
Number of Lines: 1
Mounting Type: Surface Mount
Operating Temperature Range: -55°C ~ 125°C

Allowable Variation Parameters:

Current Rating (Max): Must equal or exceed 400mA
DC Resistance (Max): Must not exceed 300mOhm
Height (Max): Physical clearance dependent; up to 0.057" acceptable for most applications
RoHS Status: Active parts preferred; obsolete parts acceptable for legacy designs

Substitute parts are grouped into two categories: direct Bourns Inc. replacements (MH2029-600Y, MU2029-600Y) and parametric equivalents from alternative manufacturers (BBBK00201209600Y00, BLM21BB600SN1D, FB201209T-600Y-S-1, WLBD2012K2U600TP). The Z0805C560CSMST is included as a near-equivalent with impedance variance (56 Ohms vs. 60 Ohms).

Parameter Comparison

Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DC Resistance (Max)	Product Status	RoHS Status	Height (Max)
PMC0805-600	Bourns Inc.	60 Ohms	400mA	300mOhm	Obsolete	RoHS non-compliant	0.035" (0.90mm)
MH2029-600Y	Bourns Inc.	60 Ohms	5A	20mOhm	Active	ROHS3 Compliant	0.043" (1.10mm)
MU2029-600Y	Bourns Inc.	60 Ohms	900mA	100mOhm	Active	ROHS3 Compliant	0.043" (1.10mm)
BBBK00201209600Y00	Pulse Electronics	60 Ohms	500mA	150mOhm	Active	ROHS3 Compliant	0.043" (1.10mm)
BLM21BB600SN1D	Murata Electronics	60 Ohms	800mA	130mOhm	Active	ROHS3 Compliant	0.057" (1.45mm)
FB201209T-600Y-S-1	Cal-Chip Electronics, Inc.	60 Ohms	800mA	150mOhm	Active	RoHS Compliant	0.043" (1.10mm)
WLBD2012K2U600TP	Walsin Technology Corporation	60 Ohms	800mA	150mOhm	Active	Not specified	0.043" (1.10mm)
Z0805C560CSMST	KEMET	56 Ohms	600mA	200mOhm	Obsolete	ROHS3 Compliant	0.041" (1.05mm)

Engineering Selection Recommendations

Primary Substitutes (Bourns Inc. - Same Manufacturer):

MH2029-600Y and MU2029-600Y are direct Bourns alternatives with identical impedance characteristics and superior electrical performance. Both are ROHS3 compliant and active products. MH2029-600Y offers the highest current capacity (5A) with the lowest DC resistance (20mOhm), suitable for high-current applications. MU2029-600Y provides a balanced option with 900mA current rating and 100mOhm DC resistance, maintaining compatibility with the original 400mA requirement while offering improved performance margins.

Secondary Substitutes (Alternative Manufacturers - Parametric Equivalents):

BBBK00201209600Y00 (Pulse Electronics), BLM21BB600SN1D (Murata Electronics), FB201209T-600Y-S-1 (Cal-Chip Electronics), and WLBD2012K2U600TP (Walsin Technology) all meet the critical electrical parameters with 60 Ohm impedance and current ratings exceeding 400mA. All are active products with ROHS3 compliance. BLM21BB600SN1D has the highest profile (0.057"), which may require PCB layout verification for height-constrained applications.

Near-Equivalent Substitute (Impedance Variance):

Z0805C560CSMST (KEMET) provides 56 Ohms impedance versus the specified 60 Ohms, representing a 6.7% deviation. This part is obsolete but remains in inventory. Use only when impedance tolerance specifications permit this variance.

Frequently Asked Questions (FAQ)

Q: Can I use MH2029-600Y as a direct replacement for PMC0805-600?

A: Yes. MH2029-600Y matches the critical parameters: 60 Ohm impedance, 0805 package, single-line configuration, and -55°C to 125°C operating range. The higher current rating (5A vs. 400mA) and lower DC resistance (20mOhm vs. 300mOhm) provide improved performance margins. Height increases from 0.035" to 0.043", requiring PCB clearance verification.

Q: What is the difference between MH2029-600Y and MU2029-600Y?

A: Both are Bourns 60 Ohm ferrite beads in 0805 package. MH2029-600Y is rated for 5A with 20mOhm DC resistance (Power, Signal Line filter type). MU2029-600Y is rated for 900mA with 100mOhm DC resistance (Power, Signal Line filter type). MH2029-600Y is preferred for high-current applications; MU2029-600Y is suitable for standard signal line applications with lower cost.

Q: Are all substitute parts RoHS compliant?

A: Most active substitutes are ROHS3 compliant (MH2029-600Y, MU2029-600Y, BBBK00201209600Y00, BLM21BB600SN1D, FB201209T-600Y-S-1). WLBD2012K2U600TP RoHS status is not specified in available data. The original PMC0805-600 is RoHS non-compliant. Verify RoHS requirements for your application before selection.

Q: Can I use Z0805C560CSMST as a substitute?

A: Z0805C560CSMST provides 56 Ohms impedance instead of 60 Ohms, a 6.7% variance. Use only if your circuit design permits impedance tolerance within this range. This part is obsolete; prefer active alternatives when possible.

Q: What are the height constraints for PCB layout?

A: PMC0805-600 height is 0.035" (0.90mm). Most substitutes are 0.043" (1.10mm). BLM21BB600SN1D is 0.057" (1.45mm). Verify PCB clearance for components or connectors above the ferrite bead before selecting taller alternatives.

Q: Which substitute offers the best performance upgrade?

A: MH2029-600Y provides the most significant performance improvement with 5A current rating and 20mOhm DC resistance, compared to the original 400mA and 300mOhm. This reduces insertion loss and thermal dissipation in high-current signal paths.

Q: Are all substitutes available in the same packaging format?

A: Most substitutes are supplied in Tape & Reel (TR) format. MH2029-600Y is available in Cut Tape (CT) & Digi-Reel. Z0805C560CSMST is Cut Tape (CT) only. Verify packaging availability for your procurement and assembly requirements.

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