LSMGA201208T800RG Equivalent & Substitute Parts

Part Overview

The LSMGA201208T800RG is a power line ferrite bead manufactured by Taiyo Yuden, designed for electromagnetic interference (EMI) suppression in surface mount applications. This component operates at 80 Ohms impedance at 100 MHz with a maximum current rating of 2.7A and is housed in a 0805 (2012 Metric) package. The part maintains Active product status and is RoHS3 compliant with unlimited moisture sensitivity rating.

Substitute parts are necessary when the primary component becomes unavailable, when alternative packaging formats are required, or when design specifications allow for enhanced electrical performance characteristics within the same functional category.

Key Parameters

Parameter	Value
Impedance @ Frequency	80 Ohms @ 100 MHz
Current Rating (Max)	2.7A
DC Resistance (DCR) (Max)	25mOhm
Package / Case	0805 (2012 Metric)
Operating Temperature Range	-40°C ~ 125°C
Mounting Type	Surface Mount
Number of Lines	1
Filter Type	Power Line
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the LSMGA201208T800RG is determined by the following critical parameters:

Primary Matching Criteria:

Impedance @ 100 MHz: 80 Ohms (exact match required for EMI filtering performance)
Package / Case: 0805 (2012 Metric) (physical and electrical compatibility)
Number of Lines: 1 (functional equivalence)
Mounting Type: Surface Mount (assembly compatibility)

Secondary Compatibility Parameters:

Current Rating (Max): Substitute must equal or exceed 2.7A
DC Resistance (DCR) (Max): Substitute must not exceed 25mOhm
Operating Temperature Range: Substitute must cover or exceed -40°C ~ 125°C
RoHS Status: ROHS3 Compliant (regulatory requirement)
Moisture Sensitivity Level: MSL 1 (Unlimited) preferred

Substitute parts are grouped based on exact impedance matching at 100 MHz and identical package specifications. Variations in current rating, DCR, and temperature range are acceptable when the substitute meets or exceeds the original specification.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Impedance @ 100 MHz	Current Rating (Max)	DCR (Max)	Package	Operating Temperature	Product Status	RoHS Status
LSMGA201208T800RG	Taiyo Yuden	80 Ohms	2.7A	25mOhm	0805 (2012 Metric)	-40°C ~ 125°C	Active	ROHS3 Compliant
FBMH2012HM800-T	Taiyo Yuden	80 Ohms	2.7A	25mOhm	0805 (2012 Metric)	-40°C ~ 125°C	Not For New Designs	ROHS3 Compliant
74279220800	Würth Elektronik	80 Ohms	4A	18mOhm	0805 (2012 Metric)	-55°C ~ 125°C	Active	ROHS3 Compliant
HI0805R800R-10	Laird-Signal Integrity Products	80 Ohms	5A	10mOhm	0805 (2012 Metric)	-40°C ~ 125°C	Active	ROHS3 Compliant
ILHB0805ER900V	Vishay Dale	90 Ohms	5A	25mOhm	0805 (2012 Metric)	-55°C ~ 125°C	Active	ROHS3 Compliant
Z0805C800BPWZT	KEMET	80 Ohms	2.7A	25mOhm	0805 (2012 Metric)	-40°C ~ 125°C	Obsolete	ROHS3 Compliant

Engineering Selection Recommendations

Direct Parametric Equivalents (Identical Specifications):

FBMH2012HM800-T (Taiyo Yuden) and Z0805C800BPWZT (KEMET) provide identical electrical and mechanical specifications to the LSMGA201208T800RG. Both components match all critical parameters including impedance, current rating, DCR, package, and operating temperature range. However, FBMH2012HM800-T carries a "Not For New Designs" status, and Z0805C800BPWZT is marked as Obsolete. These parts are suitable for legacy system support and field replacements only.

Enhanced Performance Substitutes (Active Status):

74279220800 (Würth Elektronik) and HI0805R800R-10 (Laird-Signal Integrity Products) are Active products that exceed the original specification. Both maintain 80 Ohms impedance at 100 MHz in the 0805 package. The 74279220800 provides superior current handling (4A versus 2.7A) and lower DCR (18mOhm versus 25mOhm) with extended low-temperature operation (-55°C). The HI0805R800R-10 offers the highest current rating (5A) and lowest DCR (10mOhm) with identical temperature range to the original part.

Impedance Variant:

ILHB0805ER900V (Vishay Dale) operates at 90 Ohms impedance at 100 MHz, representing a 10-Ohm deviation from the specified 80 Ohms. This part is suitable only for applications where impedance tolerance permits such variation. It provides enhanced current handling (5A) and extended low-temperature operation (-55°C).

Recommendation Priority:

For new designs and active production, select from 74279220800 or HI0805R800R-10 based on current and thermal dissipation requirements. For legacy system support, FBMH2012HM800-T or Z0805C800BPWZT provide exact specification matching. ILHB0805ER900V is applicable only when impedance tolerance specifications allow 90 Ohms operation.

Frequently Asked Questions (FAQ)

Q: Can ILHB0805ER900V be used as a direct substitute for LSMGA201208T800RG?

A: ILHB0805ER900V operates at 90 Ohms impedance at 100 MHz, compared to the specified 80 Ohms. This 10-Ohm difference affects EMI filtering performance. Substitution is permissible only when circuit design specifications explicitly allow impedance variation within this range.

Q: What is the difference between the packaging formats listed for substitute parts?

A: LSMGA201208T800RG and FBMH2012HM800-T are supplied in Tape & Reel (TR) format. 74279220800 and HI0805R800R-10 are supplied in Cut Tape (CT) & Digi-Reel® format. Z0805C800BPWZT is supplied in Cut Tape (CT) format. All formats are compatible with standard surface mount assembly equipment; packaging selection depends on production volume and handling requirements.

Q: Why is FBMH2012HM800-T marked "Not For New Designs"?

A: This designation indicates the manufacturer has discontinued active development and support for this product line. While the part remains functionally equivalent and available in inventory, it is reserved for legacy system maintenance and field replacements. New designs should utilize Active status products such as 74279220800 or HI0805R800R-10.

Q: Is Z0805C800BPWZT suitable for production use?

A: Z0805C800BPWZT is marked as Obsolete, indicating end-of-life status. While inventory remains available, this part is not recommended for new production. Use only for field replacements of existing systems or when legacy component compatibility is mandatory.

Q: Which substitute offers the best thermal performance?

A: HI0805R800R-10 provides the lowest DC resistance at 10mOhm maximum, resulting in minimal thermal dissipation. 74279220800 offers the extended operating temperature range (-55°C to 125°C) compared to the original specification (-40°C to 125°C), providing superior low-temperature performance.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 Compliant status, meeting regulatory requirements for hazardous substance restrictions. All parts are also REACH Unaffected and classified under ECCN EAR99.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. The part does not require special moisture control during storage, handling, or assembly. This applies to LSMGA201208T800RG, FBMH2012HM800-T, ILHB0805ER900V, and Z0805C800BPWZT. HI0805R800R-10 is marked as Not Applicable, indicating no moisture sensitivity classification is required.

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