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L0806C150MPWST Equivalent & Substitute Parts
Part Overview
The L0806C150MPWST is a 15 µH unshielded drum core wirewound inductor manufactured by KEMET in the 0806 (2016 Metric) surface mount package. This component is rated for 130 mA continuous current with a DC resistance of 700 mOhm and operates across the temperature range of -40°C to 105°C. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing production and maintenance applications. Substitute components must maintain the same inductance value, package form factor, and core material while accommodating variations in electrical performance parameters.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Inductance | 15 | µH |
| Package / Case | 0806 (2016 Metric) | — |
| Material - Core | Ferrite | — |
| Type | Drum Core, Wirewound | — |
| Shielding | Unshielded | — |
| Mounting Type | Surface Mount | — |
| Operating Temperature Range | -40°C to 105°C | — |
| RoHS Status | ROHS3 Compliant | — |
| Moisture Sensitivity Level | 1 (Unlimited) | — |
Substitute Part Grouping Explanation
Substitution of the L0806C150MPWST is determined by strict equivalence in the following parameters:
Primary Equivalence Criteria:
- Inductance value: 15 µH (exact match required)
- Package form factor: 0806 (2016 Metric) surface mount
- Core material: Ferrite drum core, wirewound construction
- Shielding configuration: Unshielded
- Operating temperature range: -40°C to 105°C minimum
- RoHS3 compliance and MSL 1 rating
Secondary Performance Parameters: Substitute parts may vary in current rating, DC resistance, and tolerance specifications provided the primary criteria are met. These variations are acceptable when the application circuit design accommodates the electrical differences.
The CBC2016T150K from Taiyo Yuden satisfies all primary equivalence criteria and is therefore classified as a direct substitute for the obsolete L0806C150MPWST.
Parameter Comparison
| Parameter | L0806C150MPWST (KEMET) | CBC2016T150K (Taiyo Yuden) |
|---|---|---|
| Inductance | 15 µH | 15 µH |
| Tolerance | ±20% | ±10% |
| Current Rating | 130 mA | 300 mA |
| DC Resistance (DCR) | 700 mOhm | 1.56 Ohm Max |
| Frequency - Self Resonant | 28 MHz | 28 MHz |
| Operating Temperature | -40°C to 105°C | -40°C to 105°C |
| Package / Case | 0806 (2016 Metric) | 0806 (2016 Metric) |
| 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) |
| Height - Seated (Max) | 0.071" (1.80mm) | 0.071" (1.80mm) |
| Shielding | Unshielded | Unshielded |
| Material - Core | Ferrite | Ferrite |
| Type | Drum Core, Wirewound | Drum Core, Wirewound |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) |
Engineering Selection Recommendations
The CBC2016T150K is a qualified substitute for the obsolete L0806C150MPWST based on the following engineering factors:
Compliance and Regulatory Status: Both components maintain ROHS3 compliance and MSL 1 (unlimited moisture sensitivity) ratings, ensuring compatibility with current manufacturing and environmental standards.
Physical and Electrical Compatibility: Identical package dimensions (0806 / 2016 Metric) and physical footprint enable direct board-level substitution without PCB redesign. Both components feature ferrite drum core construction with unshielded configuration and identical self-resonant frequency of 28 MHz.
Performance Considerations: The CBC2016T150K provides superior current handling capability (300 mA versus 130 mA) and tighter inductance tolerance (±10% versus ±20%). The increased DC resistance (1.56 Ohm Max versus 700 mOhm) must be evaluated within the specific application circuit to determine thermal and efficiency impact. Applications operating at or below 130 mA continuous current experience no functional limitation from the substitute part.
Product Status: The CBC2016T150K is classified as "Not For New Designs" but remains available in production quantities (6100 pieces in stock), providing a viable transition path for legacy system maintenance and repair.
Frequently Asked Questions (FAQ)
Q: Can the CBC2016T150K be used as a direct replacement for the L0806C150MPWST on existing PCBs?
A: Yes. Both components share identical package dimensions (0806 / 2016 Metric), physical footprint, and mounting type (surface mount). No PCB modification is required for physical substitution.
Q: What is the impact of the higher DC resistance in the CBC2016T150K?
A: The CBC2016T150K exhibits 1.56 Ohm maximum DC resistance compared to 700 mOhm in the L0806C150MPWST. This 2.2x increase generates additional resistive losses. Applications must be evaluated to confirm thermal performance remains acceptable. Circuits operating at lower current levels experience proportionally reduced power dissipation impact.
Q: Are there current rating limitations when substituting the CBC2016T150K?
A: The CBC2016T150K is rated for 300 mA continuous current, exceeding the original 130 mA rating of the L0806C150MPWST. Applications operating at or below 130 mA experience no current-related limitation. Applications requiring current levels between 130 mA and 300 mA benefit from the increased rating margin.
Q: Do both components meet the same environmental and compliance standards?
A: Yes. Both the L0806C150MPWST and CBC2016T150K are ROHS3 compliant with MSL 1 (unlimited) moisture sensitivity ratings. Both operate across the identical temperature range of -40°C to 105°C.
Q: What is the tolerance difference between these components?
A: The L0806C150MPWST specifies ±20% inductance tolerance, while the CBC2016T150K provides ±10% tolerance. The tighter tolerance of the substitute part offers improved inductance accuracy for applications with stringent circuit performance requirements.
Q: Are the self-resonant frequencies equivalent?
A: Yes. Both components exhibit a self-resonant frequency of 28 MHz, ensuring equivalent high-frequency behavior and parasitic characteristics.
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