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LPWI201610S1R0T Equivalent & Substitute Parts
Part Overview
The LPWI201610S1R0T is a 1 µH shielded thin film inductor manufactured by Littelfuse Inc., rated for 3.1 A continuous current with a maximum DC resistance of 65 mOhm. This component is designed for surface mount applications in the 0806 (2016 Metric) package format. The part is currently listed as obsolete, making identification of compatible substitute components essential for ongoing production and design requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 1 µH |
| Inductance Tolerance | ±20% |
| Current Rating | 3.1 A |
| DC Resistance (DCR) | 65 mOhm Max |
| Shielding | Shielded |
| Package / Case | 0806 (2016 Metric) |
| Operating Temperature Range | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| RoHS Status | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) |
Substitute Part Grouping Explanation
Substitution eligibility for the LPWI201610S1R0T is determined by strict equivalence across the following critical parameters:
- Inductance Value: Must be 1 µH with ±20% tolerance
- Current Rating: Minimum 3.1 A continuous current capability
- DC Resistance: Must not exceed 65 mOhm to maintain circuit performance
- Package Format: Must be 0806 (2016 Metric) surface mount
- Shielding: Must be shielded to maintain electromagnetic compatibility
- Operating Temperature: Must support -40°C ~ 125°C range
- Compliance: Must maintain ROHS3 compliance and MSL 1 rating
The TFM201610GHM-1R0MTAA from TDK Corporation meets all substitution criteria and is classified as an active product with current manufacturing availability.
Parameter Comparison
| Parameter | LPWI201610S1R0T (Littelfuse) | TFM201610GHM-1R0MTAA (TDK) | Match Status |
|---|---|---|---|
| Inductance | 1 µH | 1 µH | Equivalent |
| Inductance Tolerance | ±20% | ±20% | Equivalent |
| Current Rating (Amps) | 3.1 A | 3.1 A | Equivalent |
| Current - Saturation (Isat) | 3.1 A | 3.6 A | Compatible (TDK exceeds minimum) |
| DC Resistance (DCR) | 65 mOhm Max | 60 mOhm Max | Compatible (TDK lower resistance) |
| Shielding | Shielded | Shielded | Equivalent |
| Package / Case | 0806 (2016 Metric) | 0806 (2016 Metric) | Equivalent |
| Size / Dimension | 0.079" L x 0.063" W (2.00mm x 1.60mm) | 0.079" L x 0.063" W (2.00mm x 1.60mm) | Equivalent |
| Height - Seated (Max) | 0.039" (1.00mm) | 0.039" (1.00mm) | Equivalent |
| Operating Temperature | -40°C ~ 125°C | -40°C ~ 125°C | Equivalent |
| Mounting Type | Surface Mount | Surface Mount | Equivalent |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Equivalent |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Equivalent |
| Product Status | Obsolete | Active | Substitute is active |
Engineering Selection Recommendations
The TFM201610GHM-1R0MTAA is a direct substitute for the LPWI201610S1R0T. The TDK component maintains full electrical and mechanical compatibility while offering improved specifications in saturation current (3.6 A vs. 3.1 A) and lower DC resistance (60 mOhm vs. 65 mOhm maximum). Both components are ROHS3 compliant and carry MSL 1 ratings. The primary advantage of selecting the TFM201610GHM-1R0MTAA is its active product status with established manufacturing availability, eliminating supply chain risk associated with the obsolete Littelfuse part.
Frequently Asked Questions (FAQ)
Q: Can the TFM201610GHM-1R0MTAA be used as a direct replacement for LPWI201610S1R0T in existing designs?
A: Yes. Both components share identical inductance values, current ratings, package dimensions, and operating temperature ranges. The TDK part meets or exceeds all electrical specifications of the Littelfuse component.
Q: What are the key differences between these two inductors?
A: The primary differences are product status and DC resistance. The LPWI201610S1R0T is obsolete with a 65 mOhm maximum DCR, while the TFM201610GHM-1R0MTAA is an active product with 60 mOhm maximum DCR. The TDK component also provides higher saturation current (3.6 A vs. 3.1 A).
Q: Are both parts available in the same package format?
A: Yes. Both inductors are manufactured in the 0806 (2016 Metric) surface mount package with identical physical dimensions of 2.00mm length × 1.60mm width and 1.00mm maximum seated height.
Q: Do both components meet the same compliance standards?
A: Yes. Both the LPWI201610S1R0T and TFM201610GHM-1R0MTAA are ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level) ratings.
Q: What is the inductance tolerance for these parts?
A: Both components have an inductance tolerance of ±20% at 1 MHz test frequency.
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