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LSMGA160808T331RG Equivalent & Substitute Parts
Part Overview
The LSMGA160808T331RG is a 330 Ohm ferrite bead manufactured by Taiyo Yuden, designed for power line filtering applications in 0603 (1608 Metric) surface mount packages. This component operates at 100 MHz impedance with a maximum current rating of 1.2A and DC resistance of 130mOhm. The part is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).
Substitute parts are necessary when the primary part becomes unavailable, when alternative manufacturers offer improved specifications, or when design requirements necessitate enhanced performance characteristics such as higher current ratings or lower DC resistance.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Impedance @ 100 MHz | 330 | Ohms |
| Current Rating (Max) | 1.2 | A |
| DC Resistance (Max) | 130 | mOhm |
| Package / Case | 0603 (1608 Metric) | — |
| Mounting Type | Surface Mount | — |
| Operating Temperature Range | -40°C to 125°C | — |
| Number of Lines | 1 | — |
| Filter Type | Power Line | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution eligibility for the LSMGA160808T331RG is determined by the following critical parameters:
Primary Matching Criteria:
- Impedance @ 100 MHz: 330 Ohms (exact match required)
- Package / Case: 0603 (1608 Metric) (exact match required)
- Number of Lines: 1 (exact match required)
- Mounting Type: Surface Mount (exact match required)
Secondary Compatibility Criteria:
- Current Rating (Max): Equal to or greater than 1.2A
- DC Resistance (Max): Equal to or less than 130mOhm
- Operating Temperature Range: Must encompass -40°C to 125°C minimum
- RoHS Status: ROHS3 Compliant
- Moisture Sensitivity Level: MSL 1 or equivalent
Substitute parts meeting all primary criteria and maintaining or exceeding secondary specifications are classified as direct parametric equivalents. Parts with impedance or package variations are listed separately as alternative options for specific design scenarios.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Impedance @ 100 MHz (Ohms) | Current Rating Max (A) | DC Resistance Max (mOhm) | Package / Case | Operating Temperature (°C) | Product Status | RoHS Status |
|---|---|---|---|---|---|---|---|---|
| LSMGA160808T331RG | Taiyo Yuden | 330 | 1.2 | 130 | 0603 (1608 Metric) | -40 to 125 | Active | ROHS3 Compliant |
| FBMH1608HM331-T | Taiyo Yuden | 330 | 1.2 | 130 | 0603 (1608 Metric) | -40 to 125 | Not For New Designs | ROHS3 Compliant |
| BBHV00160808331Y00 | Pulse Electronics | 330 | 2.0 | 80 | 0603 (1608 Metric) | -55 to 125 | Active | ROHS3 Compliant |
| BBHV00160808301Y00 | Pulse Electronics | 300 | 2.0 | 80 | 0603 (1608 Metric) | -55 to 125 | Active | ROHS3 Compliant |
| BBPY00160808331Y00 | Pulse Electronics | 330 | 1.5 | 120 | 0603 (1608 Metric) | -55 to 125 | Active | ROHS3 Compliant |
| BBPY00160808301Y00 | Pulse Electronics | 300 | 1.5 | 120 | 0603 (1608 Metric) | -55 to 125 | Active | ROHS3 Compliant |
| BBUP00160805331Y00 | Pulse Electronics | 330 | 1.5 | 70 | 0603 (1608 Metric) | -55 to 125 | Active | ROHS3 Compliant |
| BLM18KG331SN1D | Murata Electronics | 330 | 1.7 | 80 | 0603 (1608 Metric) | -55 to 125 | Active | ROHS3 Compliant |
| BLM18SG331TN1D | Murata Electronics | 330 | 1.5 | 70 | 0603 (1608 Metric) | -55 to 125 | Active | ROHS3 Compliant |
| CTCB0603F-331P | Central Technologies | 330 | 1.5 | 120 | 0603 (1608 Metric) | -40 to 125 | Active | ROHS3 Compliant |
| CTCB0603F-301P | Central Technologies | 300 | 2.0 | 100 | 0603 (1608 Metric) | -40 to 125 | Active | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Parametric Equivalents (330 Ohm @ 100 MHz, 0603 Package):
The following parts satisfy all primary matching criteria and maintain or exceed the secondary specifications of the LSMGA160808T331RG:
-
BBHV00160808331Y00 (Pulse Electronics): Exceeds current rating (2.0A vs. 1.2A) and reduces DC resistance (80mOhm vs. 130mOhm). Extended operating temperature range (-55°C to 125°C). Active product status with full ROHS3 compliance.
-
BBPY00160808331Y00 (Pulse Electronics): Meets current rating requirement (1.5A) with reduced DC resistance (120mOhm). Extended operating temperature range. Active product status.
-
BBUP00160805331Y00 (Pulse Electronics): Meets current rating requirement (1.5A) with significantly reduced DC resistance (70mOhm). Reduced package height (0.65mm vs. 0.90mm). Active product status.
-
BLM18KG331SN1D (Murata Electronics): Exceeds current rating (1.7A) with reduced DC resistance (80mOhm). Extended operating temperature range. Active product status with EMIFIL® series designation.
-
BLM18SG331TN1D (Murata Electronics): Meets current rating requirement (1.5A) with reduced DC resistance (70mOhm). Reduced package height (0.65mm). Active product status with EMIFIL® series designation.
-
CTCB0603F-331P (Central Technologies): Meets current rating requirement (1.5A) with comparable DC resistance (120mOhm). Active product status with ROHS3 compliance.
Alternative Options (300 Ohm @ 100 MHz, 0603 Package):
The following parts provide 300 Ohm impedance at 100 MHz with enhanced current ratings and reduced DC resistance. These are suitable for applications where impedance tolerance permits a 10% reduction:
-
BBHV00160808301Y00 (Pulse Electronics): 2.0A current rating, 80mOhm DC resistance, extended temperature range, Active status.
-
BBPY00160808301Y00 (Pulse Electronics): 1.5A current rating, 120mOhm DC resistance, extended temperature range, Active status.
-
CTCB0603F-301P (Central Technologies): 2.0A current rating, 100mOhm DC resistance, Active status.
Not Recommended for New Designs:
- FBMH1608HM331-T (Taiyo Yuden): Identical electrical specifications to the primary part but classified as "Not For New Designs." This designation indicates the manufacturer has discontinued active support for new applications.
All recommended substitute parts maintain ROHS3 compliance, MSL 1 moisture sensitivity level, and surface mount compatibility with 0603 (1608 Metric) package footprints.
Frequently Asked Questions (FAQ)
Q: Can BBHV00160808331Y00 be used as a direct replacement for LSMGA160808T331RG?
A: Yes. BBHV00160808331Y00 meets all primary matching criteria (330 Ohm impedance, 0603 package, single line, surface mount) and exceeds secondary specifications with 2.0A current rating versus 1.2A, and 80mOhm DC resistance versus 130mOhm. Both parts are ROHS3 compliant with MSL 1 rating. The Pulse Electronics part is Active product status.
Q: What is the difference between BBPY00160808331Y00 and BBUP00160805331Y00?
A: Both parts share 330 Ohm impedance, 1.5A current rating, and 0603 package compatibility. The primary difference is DC resistance and package height. BBUP00160805331Y00 provides 70mOhm DC resistance with 0.65mm height, while BBPY00160808331Y00 provides 120mOhm DC resistance with 0.37mm height. Selection depends on thermal performance and space constraints.
Q: Can I substitute a 300 Ohm ferrite bead for the 330 Ohm specification?
A: 300 Ohm ferrite beads (BBHV00160808301Y00, BBPY00160808301Y00, CTCB0603F-301P) represent a 9% impedance reduction. Substitution is application-dependent and requires circuit analysis to confirm acceptable performance within the design's filtering requirements and frequency response specifications.
Q: Why is FBMH1608HM331-T listed if it is "Not For New Designs"?
A: FBMH1608HM331-T is included for reference in legacy system support and component replacement scenarios. The "Not For New Designs" designation indicates Taiyo Yuden has transitioned this product line. For new applications, select from Active status alternatives such as BBHV00160808331Y00, BLM18KG331SN1D, or BBUP00160805331Y00.
Q: Are all substitute parts compatible with the same PCB footprint?
A: All listed substitute parts use 0603 (1608 Metric) surface mount packages with identical length (0.063" / 1.60mm) and width (0.031" / 0.80mm) dimensions. Package heights vary between 0.65mm and 1.00mm. Verify PCB clearance for components with maximum heights of 0.95mm to 1.00mm if space constraints exist.
Q: What is the advantage of Murata BLM18 series parts over Pulse Electronics alternatives?
A: Murata BLM18KG331SN1D and BLM18SG331TN1D are designated as EMIFIL® series with Active product status. BLM18KG331SN1D provides 1.7A current rating with 80mOhm DC resistance. BLM18SG331TN1D offers reduced package height (0.65mm) with 70mOhm DC resistance. Selection depends on thermal requirements and available board space.
Q: Do all substitute parts meet the operating temperature range of -40°C to 125°C?
A: Most substitute parts extend the lower temperature limit to -55°C, exceeding the -40°C minimum of the primary part. CTCB0603F-331P and CTCB0603F-301P match the -40°C to 125°C range exactly. All parts support the 125°C upper limit.
Q: What packaging formats are available for these ferrite beads?
A: The primary part (LSMGA160808T331RG) is supplied in Tape & Reel (TR) format. Murata alternatives (BLM18KG331SN1D, BLM18SG331TN1D) are available in Cut Tape (CT) & Digi-Reel® format. All other substitutes are supplied in Tape & Reel (TR) format. Verify packaging compatibility with procurement and assembly processes.
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