LLMGG160808T600RG Equivalent & Substitute Parts

Part Overview

The LLMGG160808T600RG is a 0603 (1608 Metric) surface mount ferrite bead manufactured by Taiyo Yuden. This power line ferrite bead operates at 60 Ohms impedance at 100 MHz with a maximum current rating of 2.1A and DC resistance of 45mOhm. The component is designed for electromagnetic interference (EMI) suppression in power distribution circuits and is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

The part maintains Active product status and is available in Tape & Reel packaging. Equivalent and substitute parts are identified based on matching or exceeding electrical performance parameters while maintaining compatibility with the 0603 package footprint and surface mount assembly requirements.

Key Parameters

Parameter	Value
Impedance @ 100 MHz	60 Ohms
Current Rating (Max)	2.1A
DC Resistance (Max)	45mOhm
Package / Case	0603 (1608 Metric)
Mounting Type	Surface Mount
Operating Temperature Range	-40°C ~ 125°C
Filter Type	Power Line
Number of Lines	1
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the LLMGG160808T600RG are categorized based on electrical parameter compatibility and package specifications. The primary substitution criteria are:

Exact Parameter Match (Direct Substitutes): Parts with identical impedance (60 Ohms @ 100 MHz), current rating (2.1A), and DC resistance (45mOhm) in the 0603 package are direct substitutes. These include FBMH1608HL600-T and LSMGG160808T600RG.

Enhanced Performance Substitutes: Parts with 60 Ohms impedance at 100 MHz but improved current handling (3A or 4A) and reduced DC resistance (25mOhm or 20mOhm) are suitable substitutes when higher current capacity or lower losses are acceptable. These include FBMH1608HM600-T, LSMGA160808T600RG, BBPY00160808600Y00, and BBUP00160808600Y00.

Cross-Impedance Substitutes: Parts with 70 Ohms impedance at 100 MHz represent a deviation from the specified 60 Ohms value. These include ACML-0603U-700-T and BBUP00160805700Y00, and are suitable only when impedance tolerance permits.

Alternative Manufacturer Substitutes: Parts from manufacturers other than Taiyo Yuden (Würth Elektronik, Abracon LLC, Pulse Electronics) with matching or superior electrical specifications and 0603 package compatibility are available as cross-manufacturer alternatives.

All substitute parts maintain the 0603 (1608 Metric) surface mount package, single power line configuration, ROHS3 compliance, and MSL 1 rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DC Resistance (Max)	Package / Case	Operating Temperature	Product Status	Filter Type
LLMGG160808T600RG	Taiyo Yuden	60 Ohms	2.1A	45mOhm	0603 (1608 Metric)	-40°C ~ 125°C	Active	Power Line
FBMH1608HL600-T	Taiyo Yuden	60 Ohms	2.1A	45mOhm	0603 (1608 Metric)	-40°C ~ 125°C	Not For New Designs	Power Line
FBMH1608HM600-T	Taiyo Yuden	60 Ohms	3A	25mOhm	0603 (1608 Metric)	-40°C ~ 125°C	Not For New Designs	Power Line
LSMGA160808T600RG	Taiyo Yuden	60 Ohms	3A	25mOhm	0603 (1608 Metric)	-40°C ~ 125°C	Active	Power Line
LSMGG160808T600RG	Taiyo Yuden	60 Ohms	2.1A	45mOhm	0603 (1608 Metric)	-40°C ~ 125°C	Active	Power Line
742792602	Würth Elektronik	60 Ohms	3A	40mOhm	0603 (1608 Metric)	-55°C ~ 125°C	Active	Signal Line
ACML-0603U-700-T	Abracon LLC	70 Ohms	4A	20mOhm	0603 (1608 Metric)	-55°C ~ 125°C	Active	Power Line
BBPY00160808600Y00	Pulse Electronics	60 Ohms	3A	40mOhm	0603 (1608 Metric)	-55°C ~ 125°C	Active	—
BBUP00160805700Y00	Pulse Electronics	70 Ohms	4A	20mOhm	0603 (1608 Metric)	-55°C ~ 125°C	Active	Power Line
BBUP00160808600Y00	Pulse Electronics	60 Ohms	4A	20mOhm	0603 (1608 Metric)	-55°C ~ 125°C	Active	—
BBUP00160808700Y00	Pulse Electronics	70 Ohms	4A	20mOhm	0603 (1608 Metric)	-55°C ~ 125°C	Active	—

Engineering Selection Recommendations

Primary Substitutes (Identical Electrical Performance):

LSMGG160808T600RG is the preferred substitute. This Taiyo Yuden part maintains identical electrical specifications (60 Ohms @ 100 MHz, 2.1A, 45mOhm) and holds Active product status, ensuring continued availability and support for new designs. The part is ROHS3 compliant with MSL 1 rating and is supplied in Tape & Reel packaging compatible with automated assembly.

Secondary Substitutes (Enhanced Performance):

LSMGA160808T600RG and FBMH1608HM600-T provide improved current handling (3A) and reduced DC resistance (25mOhm) while maintaining 60 Ohms impedance at 100 MHz. LSMGA160808T600RG is Active status and suitable for new designs. FBMH1608HM600-T is marked Not For New Designs and should be used only for legacy product support or when existing inventory is available.

Cross-Manufacturer Alternatives:

BBUP00160808600Y00 (Pulse Electronics) offers 60 Ohms impedance with 4A current rating and 20mOhm DC resistance. This part is Active status and ROHS3 compliant. The extended operating temperature range (-55°C ~ 125°C) provides additional thermal margin compared to the LLMGG160808T600RG (-40°C ~ 125°C).

BBPY00160808600Y00 (Pulse Electronics) provides 60 Ohms impedance with 3A current rating and 40mOhm DC resistance, closely matching the original part's DC resistance specification.

Impedance Deviation Substitutes:

ACML-0603U-700-T and BBUP00160805700Y00 operate at 70 Ohms impedance at 100 MHz, representing a 16.7% increase from the specified 60 Ohms. These parts are suitable only when circuit design permits impedance tolerance or when higher impedance is beneficial for EMI suppression. Both parts offer superior current handling (4A) and reduced DC resistance (20mOhm).

Obsolescence Consideration:

FBMH1608HL600-T is marked Not For New Designs despite matching electrical specifications. This designation indicates potential future discontinuation. Use this part only for repair or maintenance of existing products.

Frequently Asked Questions (FAQ)

Q: Can LSMGG160808T600RG directly replace LLMGG160808T600RG?

A: Yes. LSMGG160808T600RG is a direct electrical equivalent with identical impedance (60 Ohms @ 100 MHz), current rating (2.1A), and DC resistance (45mOhm). Both parts use the 0603 package, surface mount configuration, and are ROHS3 compliant with MSL 1. The primary difference is product status: LSMGG160808T600RG is Active, while LLMGG160808T600RG is the original part number.

Q: What is the difference between LSMGA160808T600RG and LSMGG160808T600RG?

A: Both are Taiyo Yuden LSMG series parts in 0603 package with 60 Ohms impedance at 100 MHz. LSMGA160808T600RG has 3A current rating and 25mOhm DC resistance. LSMGG160808T600RG has 2.1A current rating and 45mOhm DC resistance. LSMGA160808T600RG is suitable when higher current capacity or lower power dissipation is required.

Q: Can I use a 70 Ohm ferrite bead instead of 60 Ohm?

A: 70 Ohm ferrite beads (ACML-0603U-700-T, BBUP00160805700Y00, BBUP00160808700Y00) represent a 16.7% impedance increase. Substitution is possible only if circuit design permits this impedance deviation. Higher impedance increases EMI attenuation but may alter frequency response characteristics. Verify circuit performance requirements before substitution.

Q: What is the significance of "Not For New Designs" status?

A: Parts marked "Not For New Designs" (FBMH1608HL600-T, FBMH1608HM600-T) indicate the manufacturer is transitioning away from these part numbers. These parts remain available for existing product support and repair but should not be selected for new circuit designs. Use Active status parts (LSMGG160808T600RG, LSMGA160808T600RG) for new designs to ensure long-term availability.

Q: Are Pulse Electronics ferrite beads compatible with Taiyo Yuden specifications?

A: Pulse Electronics ferrite beads (BBPY00160808600Y00, BBUP00160808600Y00, BBUP00160805700Y00, BBUP00160808700Y00) are compatible when electrical parameters match or exceed the original specification. All listed Pulse Electronics parts maintain 0603 package compatibility, ROHS3 compliance, and MSL 1 rating. Verify impedance and current rating requirements for your specific application.

Q: What is the difference between power line and signal line ferrite beads?

A: Power line ferrite beads are designed for high-current power distribution circuits and typically have lower impedance and higher current ratings. Signal line ferrite beads are optimized for low-current signal integrity applications. The LLMGG160808T600RG is a power line bead. Würth Elektronik 742792602 is classified as signal line but maintains compatible electrical specifications (60 Ohms, 3A, 40mOhm).

Q: Does packaging type (Tape & Reel vs. Cut Tape) affect electrical performance?

A: Packaging type does not affect electrical performance. Tape & Reel (TR) and Cut Tape (CT) & Digi-Reel® are distribution formats for automated assembly. Selection depends on manufacturing process requirements. LLMGG160808T600RG is supplied in Tape & Reel. Equivalent parts are available in both formats without electrical specification changes.

Q: What does MSL 1 (Unlimited) moisture sensitivity mean?

A: MSL 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed substitute parts maintain MSL 1 rating, ensuring compatibility with standard manufacturing environments and storage conditions.

Q: Can I substitute a part with lower DC resistance?

A: Yes. Lower DC resistance reduces power dissipation and heat generation. Parts with 25mOhm or 20mOhm DC resistance (LSMGA160808T600RG, FBMH1608HM600-T, ACML-0603U-700-T, BBUP series) are suitable substitutes for the original 45mOhm specification. This substitution improves thermal performance without compromising EMI suppression function.

Q: What is the operating temperature range significance?

A: LLMGG160808T600RG operates from -40°C to 125°C. Pulse Electronics and Würth Elektronik alternatives extend the lower limit to -55°C, providing additional thermal margin for applications in extreme environments. If your circuit operates within -40°C to 125°C, either temperature range is acceptable.

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