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LMMGA160808T331RG Equivalent & Substitute Parts
Part Overview
The LMMGA160808T331RG is a 330 Ohm power line ferrite bead manufactured by Taiyo Yuden in 0603 (1608 Metric) surface mount package. This component is designed for electromagnetic interference (EMI) suppression in single-line applications with a maximum current rating of 1.2A and impedance of 330 Ohms at 100 MHz. The part is currently in Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified for applications requiring alternative sourcing, extended availability, or enhanced electrical specifications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Impedance @ Frequency | 330 Ohms @ 100 MHz |
| Current Rating (Max) | 1.2A |
| DC Resistance (DCR) (Max) | 130mOhm |
| Package / Case | 0603 (1608 Metric) |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 125°C |
| Filter Type | Power Line |
| Number of Lines | 1 |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitute parts for the LMMGA160808T331RG are qualified based on the following critical parameters:
- Impedance matching at 330 Ohms @ 100 MHz
- Identical package specification: 0603 (1608 Metric)
- Single power line filter configuration
- Surface mount mounting type
- Operating temperature range: -40°C ~ 125°C
- RoHS3 compliance
The identified substitutes maintain these core electrical and mechanical specifications, ensuring functional equivalence in power line EMI suppression applications. Variations in current rating and DC resistance are noted where they exceed the minimum requirements of the original part.
Parameter Comparison
| Parameter | LMMGA160808T331RG (Taiyo Yuden) | FBMH1608HM331-T (Taiyo Yuden) | CTCB0603F-331P (Central Technologies) |
|---|---|---|---|
| Impedance @ Frequency | 330 Ohms @ 100 MHz | 330 Ohms @ 100 MHz | 330 Ohms @ 100 MHz |
| Current Rating (Max) | 1.2A | 1.2A | 1.5A |
| DC Resistance (DCR) (Max) | 130mOhm | 130mOhm | 120mOhm |
| Package / Case | 0603 (1608 Metric) | 0603 (1608 Metric) | 0603 (1608 Metric) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | -40°C ~ 125°C |
| Filter Type | Power Line | Power Line | Power Line |
| Number of Lines | 1 | 1 | 1 |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level (MSL) | 1 (Unlimited) | 1 (Unlimited) | Vendor Undefined |
| Product Status | Active | Not For New Designs | Active |
Engineering Selection Recommendations
FBMH1608HM331-T is a parametric equivalent with identical electrical specifications and RoHS3 compliance. However, this part carries a "Not For New Designs" product status, indicating it is in mature or end-of-life phase. Selection of this substitute should be limited to legacy system support or applications where existing inventory is available.
CTCB0603F-331P is an active product substitute manufactured by Central Technologies with enhanced specifications: current rating of 1.5A (exceeding the 1.2A requirement) and reduced DC resistance of 120mOhm (versus 130mOhm). This part maintains ROHS3 compliance and identical package, impedance, and operating temperature specifications. The moisture sensitivity level is listed as vendor undefined, requiring clarification from the manufacturer for applications with strict MSL requirements.
For new designs, CTCB0603F-331P is the preferred substitute due to its Active product status and superior electrical performance characteristics.
Frequently Asked Questions (FAQ)
Q: Can FBMH1608HM331-T be used as a direct replacement for LMMGA160808T331RG?
A: Yes, FBMH1608HM331-T is a parametric equivalent with matching impedance (330 Ohms @ 100 MHz), current rating (1.2A), DC resistance (130mOhm), package (0603), and operating temperature range. However, its "Not For New Designs" status indicates limited future availability and support.
Q: What are the advantages of CTCB0603F-331P over the original part?
A: CTCB0603F-331P provides higher current capacity (1.5A versus 1.2A) and lower DC resistance (120mOhm versus 130mOhm) while maintaining identical impedance and package specifications. It carries Active product status, ensuring continued availability and manufacturer support.
Q: Are all three parts interchangeable in the same PCB footprint?
A: Yes. All three parts use the 0603 (1608 Metric) surface mount package with identical mounting type and footprint compatibility. Physical dimensions are equivalent within manufacturing tolerances.
Q: What is the significance of the MSL rating difference in CTCB0603F-331P?
A: The LMMGA160808T331RG and FBMH1608HM331-T specify MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. CTCB0603F-331P lists MSL as vendor undefined. For applications requiring strict moisture control specifications, clarification from Central Technologies is necessary before selection.
Q: Do all substitutes meet RoHS3 compliance requirements?
A: Yes. LMMGA160808T331RG, FBMH1608HM331-T, and CTCB0603F-331P are all ROHS3 compliant.
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