Würth Elektronik 742692005 Ferrite Bead 300 OHM 0201 Equivalent & Substitute Parts

Part Overview

The Würth Elektronik 742692005 is a single-line ferrite bead designed for power and signal line filtering in 0201 (0603 metric) surface mount applications. This component provides 300 ohms impedance at 100 MHz with a maximum current rating of 150 mA and 900 mOhm DC resistance. The part is active in production status and complies with RoHS3 and REACH requirements. Equivalent and substitute parts are identified based on matching package dimensions, operating temperature range, mounting type, and electrical performance within acceptable tolerance bands for ferrite bead applications.

Key Parameters

Parameter	Specification
Manufacturer Part Number	742692005
Manufacturer	Würth Elektronik
Series	WE-TMSB
Package / Case	0201 (0603 Metric)
Impedance @ Frequency	300 Ohms @ 100 MHz
Current Rating (Max)	150 mA
DC Resistance (DCR) (Max)	900 mOhm
Operating Temperature	-55°C ~ 125°C
Mounting Type	Surface Mount
Height (Max)	0.013" (0.33 mm)
Size / Dimension	0.024" L x 0.012" W (0.60 mm x 0.30 mm)
Filter Type	Power, Signal Line
Number of Lines	1
Product Status	Active
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the 742692005 are grouped based on the following critical parameters that determine functional equivalence:

Primary Matching Criteria:

Package / Case: 0201 (0603 Metric) — identical physical footprint required for PCB compatibility
Mounting Type: Surface Mount — consistent assembly process
Operating Temperature: -55°C ~ 125°C — matching thermal operating range
Number of Lines: 1 — single-line configuration
Impedance @ 100 MHz: 240 Ohms to 330 Ohms — acceptable impedance band for ferrite bead filtering applications
Current Rating (Max): 150 mA to 300 mA — current handling capability
DC Resistance (Max): 500 mOhm to 900 mOhm — acceptable resistance range

Compliance Criteria:

RoHS3 Compliant or RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Unaffected or REACH Compliant status

Substitute parts meeting these parameters are electrically and mechanically compatible with the 742692005 in 0201 ferrite bead filtering applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DCR (Max)	Package / Case	Filter Type	Product Status	RoHS Status
742692005	Würth Elektronik	300 Ohms	150 mA	900 mOhm	0201 (0603 Metric)	Power, Signal Line	Active	ROHS3 Compliant
742692004	Würth Elektronik	240 Ohms	200 mA	750 mOhm	0201 (0603 Metric)	Power, Signal Line	Active	ROHS3 Compliant
BBPY00060303331Y00	Pulse Electronics	330 Ohms	300 mA	500 mOhm	0201 (0603 Metric)	Power Line	Active	ROHS3 Compliant
BLM03AG241SN1D	Murata Electronics	240 Ohms	200 mA	800 mOhm	0201 (0603 Metric)	—	Active	ROHS3 Compliant
BLM03BD241SN1D	Murata Electronics	240 Ohms	200 mA	800 mOhm	0201 (0603 Metric)	Signal Line	Active	ROHS3 Compliant
BMC1HY0300AN	TE Connectivity Passive Product	300 Ohms	150 mA	900 mOhm	0201 (0603 Metric)	Signal Line	Active	—
CIM03U241NC	Samsung Electro-Mechanics	240 Ohms	200 mA	750 mOhm	0201 (0603 Metric)	—	Obsolete	ROHS3 Compliant
FB060303T-241Y-S	Cal-Chip Electronics, Inc.	240 Ohms	200 mA	800 mOhm	0201 (0603 Metric)	Signal Line	Active	RoHS Compliant
FB060303T-301Y-S	Cal-Chip Electronics, Inc.	300 Ohms	150 mA	900 mOhm	0201 (0603 Metric)	Signal Line	Active	RoHS Compliant
FB060303T-331Y-S	Cal-Chip Electronics, Inc.	330 Ohms	150 mA	900 mOhm	0201 (0603 Metric)	Signal Line	Active	RoHS Compliant
MMZ0603A241ET000	TDK Corporation	240 Ohms	200 mA	860 mOhm	0201 (0603 Metric)	Signal Line	Active	ROHS3 Compliant

Engineering Selection Recommendations

Direct Electrical Equivalents (300 Ohms @ 100 MHz, 150 mA):

BMC1HY0300AN (TE Connectivity Passive Product) and FB060303T-301Y-S (Cal-Chip Electronics, Inc.) provide identical electrical specifications to the 742692005. Both are active production parts with matching impedance, current rating, and DC resistance. BMC1HY0300AN is available in Cut Tape packaging, while FB060303T-301Y-S is supplied in Tape & Reel format. Both maintain the -55°C ~ 125°C operating temperature range and 0201 package footprint.

Lower Impedance Alternatives (240 Ohms @ 100 MHz, 200 mA):

742692004 (Würth Elektronik), BLM03AG241SN1D (Murata Electronics), BLM03BD241SN1D (Murata Electronics), FB060303T-241Y-S (Cal-Chip Electronics, Inc.), and MMZ0603A241ET000 (TDK Corporation) operate at 240 ohms impedance with increased current capacity of 200 mA. These parts are suitable for applications where lower impedance and higher current handling are acceptable. All are active production parts with ROHS3 compliance. 742692004 maintains Würth Elektronik supply continuity. MMZ0603A241ET000 offers the highest inventory availability at 405,400 pieces.

Higher Impedance Alternative (330 Ohms @ 100 MHz, 300 mA):

BBPY00060303331Y00 (Pulse Electronics) and FB060303T-331Y-S (Cal-Chip Electronics, Inc.) provide 330 ohms impedance with enhanced current capacity of 300 mA and 150 mA respectively. BBPY00060303331Y00 features the lowest DC resistance at 500 mOhm. Both are active production parts suitable for applications requiring higher impedance filtering.

Obsolete Part Status:

CIM03U241NC (Samsung Electro-Mechanics) is marked as obsolete and should not be selected for new designs despite meeting electrical and mechanical parameters.

Compliance and Packaging Considerations:

All recommended active parts maintain RoHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. Packaging options include Tape & Reel (TR) and Cut Tape (CT) formats. Selection should account for assembly process requirements and inventory availability.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 742692005 with a 240 ohm ferrite bead?

A: Yes, 240 ohm ferrite beads such as 742692004, BLM03BD241SN1D, FB060303T-241Y-S, and MMZ0603A241ET000 are mechanically and electrically compatible substitutes. These parts operate within the acceptable impedance band for ferrite bead filtering and provide equal or greater current capacity. Verify that the 240 ohm impedance meets your circuit filtering requirements.

Q: What is the difference between the 742692005 and BMC1HY0300AN?

A: Both parts provide identical electrical specifications: 300 ohms impedance at 100 MHz, 150 mA current rating, and 900 mOhm DC resistance in the 0201 package. The primary difference is packaging format: BMC1HY0300AN is supplied in Cut Tape (CT) while 742692005 is supplied in Tape & Reel (TR). Both are active production parts with full compliance certifications.

Q: Are all substitute parts RoHS3 compliant?

A: Most substitute parts listed are ROHS3 compliant. Cal-Chip Electronics parts (FB060303T series) are RoHS Compliant. All parts meet the -55°C ~ 125°C operating temperature range and MSL 1 moisture sensitivity requirements. Verify specific compliance requirements for your application.

Q: Can I use a higher impedance ferrite bead as a substitute?

A: Yes, higher impedance alternatives such as FB060303T-331Y-S (330 ohms) and BBPY00060303331Y00 (330 ohms) are mechanically compatible. However, higher impedance will increase filtering attenuation. Confirm that increased impedance does not negatively impact circuit performance before substitution.

Q: What packaging formats are available for substitute parts?

A: Substitute parts are available in Tape & Reel (TR) and Cut Tape (CT) formats. Tape & Reel packaging is standard for high-volume production assembly. Cut Tape format is suitable for lower-volume or prototype applications. Select packaging based on your assembly process and volume requirements.

Q: Why is CIM03U241NC listed as obsolete?

A: CIM03U241NC (Samsung Electro-Mechanics) is marked as obsolete and no longer in active production. Although it meets the electrical and mechanical specifications, new designs should select from active production alternatives to ensure long-term supply availability and support.

Q: Can I mix different manufacturers' ferrite beads in the same circuit?

A: Yes, ferrite beads from different manufacturers meeting the same electrical specifications and package dimensions are mechanically and electrically interchangeable. Ensure all parts meet your circuit's impedance, current, and temperature requirements. Verify compliance certifications match your application standards.

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