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NLFV25T-2R2M-PF Equivalent & Substitute Parts
Part Overview
The NLFV25T-2R2M-PF is a 2.2 µH shielded wirewound inductor manufactured by TDK Corporation, rated for 315 mA continuous current with a maximum DC resistance of 120 mOhm. This component is classified as "Not For New Designs," indicating it has been superseded in TDK's product portfolio. Identifying equivalent substitute parts is necessary for ongoing production support, maintenance applications, and legacy system repairs where this inductor specification remains functionally required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 2.2 µH |
| Inductance Tolerance | ±20% |
| Current Rating | 315 mA |
| DC Resistance (Max) | 120 mOhm |
| Shielding | Shielded |
| Mounting Type | Surface Mount |
| Package Dimensions | 0.098" L x 0.079" W x 0.075" H (2.50mm x 2.00mm x 1.90mm) |
| Operating Temperature Range | -40°C to 105°C |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the NLFV25T-2R2M-PF is determined by strict equivalence across the following critical parameters:
- Inductance Value & Tolerance: 2.2 µH ±20%
- Current Rating: 315 mA minimum
- DC Resistance: 120 mOhm maximum
- Shielding Configuration: Shielded construction required
- Mounting & Package: Surface mount, nonstandard package with identical footprint (2.50mm x 2.00mm x 1.90mm max height)
- Operating Temperature: -40°C to 105°C range
- Compliance: ROHS3 compliant, MSL 1
The NLFV25T-2R2M-EF meets all substitution criteria. While it features a drum core ferrite construction compared to the original wirewound design, it maintains electrical equivalence across all specified parameters and is compatible with existing PCB layouts and thermal requirements.
Parameter Comparison
| Parameter | NLFV25T-2R2M-PF (Original) | NLFV25T-2R2M-EF (Substitute) |
|---|---|---|
| Manufacturer | TDK Corporation | TDK Corporation |
| Series | NLFV | NLFV |
| Inductance | 2.2 µH | 2.2 µH |
| Inductance Tolerance | ±20% | ±20% |
| Current Rating | 315 mA | 315 mA |
| DC Resistance (Max) | 120 mOhm | 120 mOhm |
| Shielding | Shielded | Shielded |
| Core Type | Wirewound | Drum Core, Wirewound |
| Core Material | Not specified | Ferrite |
| Mounting Type | Surface Mount | Surface Mount |
| Package Dimensions | 0.098" L x 0.079" W (2.50mm x 2.00mm) | 0.098" L x 0.079" W (2.50mm x 2.00mm) |
| Height - Seated (Max) | 0.075" (1.90mm) | 0.075" (1.90mm) |
| Operating Temperature | -40°C to 105°C | -40°C to 105°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | MSL 1 (Unlimited) | MSL 1 (Unlimited) |
| Product Status | Not For New Designs | Active |
Engineering Selection Recommendations
The NLFV25T-2R2M-EF is the direct substitute for the NLFV25T-2R2M-PF. Both components are manufactured by TDK Corporation within the same NLFV series and maintain identical electrical specifications and physical footprints. The substitute part carries Active product status, ensuring continued availability and manufacturing support, whereas the original part is designated Not For New Designs.
Both parts satisfy ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements for electronic component procurement. The MSL 1 rating indicates unlimited shelf life under standard storage conditions, eliminating moisture-related handling constraints.
The transition from the original to the substitute part does not require PCB layout modifications, thermal management adjustments, or circuit redesign, as all critical parameters remain equivalent.
Frequently Asked Questions (FAQ)
Q: Can the NLFV25T-2R2M-EF be used as a direct replacement for the NLFV25T-2R2M-PF?
A: Yes. Both parts share identical inductance (2.2 µH ±20%), current rating (315 mA), DC resistance (120 mOhm max), shielding configuration, package dimensions (2.50mm x 2.00mm x 1.90mm), and operating temperature range (-40°C to 105°C). No circuit modifications are required.
Q: What is the difference between the original and substitute part?
A: The primary difference is core construction. The NLFV25T-2R2M-PF uses wirewound construction, while the NLFV25T-2R2M-EF uses drum core ferrite wirewound construction. This difference does not affect electrical performance within the specified parameters.
Q: Are there any PCB layout considerations when switching to the substitute part?
A: No. Both parts maintain identical footprints and maximum seated heights, ensuring compatibility with existing PCB designs without layout modifications.
Q: What is the product status difference, and why does it matter?
A: The original part is classified as "Not For New Designs," indicating it has been superseded. The substitute part carries Active status, ensuring ongoing manufacturing support and availability. For new production and legacy system support, the substitute part is the recommended choice.
Q: Do both parts meet current compliance standards?
A: Yes. Both the NLFV25T-2R2M-PF and NLFV25T-2R2M-EF are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements.
Q: What is the MSL rating, and does it affect handling?
A: Both parts carry MSL 1 (Unlimited), indicating unlimited shelf life under standard storage conditions. No special moisture control or baking procedures are required prior to assembly.
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