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Bourns 9220-15 510µH Inductor: Equivalent & Substitute Parts
Part Overview
The Bourns 9220-15 is a 510 µH unshielded drum core wirewound inductor rated for 92 mA with a maximum DC resistance of 11.6 Ohm. Designed for through-hole axial mounting, this component operates across the temperature range of -55°C to 105°C. The part is currently obsolete, making identification of functionally equivalent substitutes essential for ongoing design support and production continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 510 µH |
| Tolerance | ±5% |
| Current Rating | 92 mA |
| DC Resistance (Max) | 11.6 Ohm |
| Shielding | Unshielded |
| Operating Temperature | -55°C to 105°C |
| Mounting Type | Through Hole Axial |
| Q @ Frequency | 65 @ 7.9 MHz |
| Self Resonant Frequency | 3.8 MHz |
Substitute Part Grouping Explanation
Substitution eligibility for the Bourns 9220-15 is determined by the following critical parameters:
- Inductance Value: Must be 510 µH with ±5% tolerance
- DC Resistance: Maximum 11.6 Ohm
- Current Rating: Minimum 92 mA (equal or higher acceptable)
- Shielding Configuration: Unshielded
- Mounting Type: Through Hole Axial
- Operating Temperature Range: -55°C to 105°C minimum
- Package/Case: Axial configuration
The API Delevan 2500-15J meets all substitution criteria. While it employs a molded core construction versus the drum core design of the original part, it maintains electrical equivalence across all specified parameters and exceeds the current rating requirement.
Parameter Comparison
| Parameter | Bourns 9220-15 | API Delevan 2500-15J | Match Status |
|---|---|---|---|
| Inductance | 510 µH | 510 µH | Equivalent |
| Tolerance | ±5% | ±5% | Equivalent |
| Current Rating (Amps) | 92 mA | 105 mA | Substitute Exceeds |
| DC Resistance (Max) | 11.6 Ohm | 11.6 Ohm | Equivalent |
| Shielding | Unshielded | Unshielded | Equivalent |
| Operating Temperature | -55°C to 105°C | -55°C to 105°C | Equivalent |
| Mounting Type | Through Hole | Through Hole | Equivalent |
| Package/Case | Axial | Axial | Equivalent |
| Self Resonant Frequency | 3.8 MHz | 3.8 MHz | Equivalent |
| RoHS Status | Non-compliant | Non-compliant | Equivalent |
Engineering Selection Recommendations
The API Delevan 2500-15J is a direct functional substitute for the obsolete Bourns 9220-15. Both components share identical electrical specifications for inductance, tolerance, DC resistance, and operating temperature range. The substitute part carries an active product status, ensuring continued availability and supply chain reliability.
The 2500-15J provides a 13 mA margin above the minimum current rating requirement, offering additional design headroom. Both parts maintain RoHS non-compliant status and share identical ECCN and HTSUS classifications, simplifying regulatory documentation.
Physical dimensions differ due to core construction differences (molded versus drum core), requiring PCB layout verification during substitution implementation.
Frequently Asked Questions (FAQ)
Q: Can the API Delevan 2500-15J replace the Bourns 9220-15 in existing designs?
A: Yes. The 2500-15J meets all electrical specifications of the 9220-15, including inductance value, tolerance, DC resistance, current rating, and operating temperature range. PCB footprint compatibility must be verified due to dimensional differences.
Q: What is the primary difference between these two inductors?
A: The Bourns 9220-15 uses drum core wirewound construction, while the API Delevan 2500-15J uses molded construction. Both achieve identical electrical performance across specified parameters.
Q: Does the higher current rating of the 2500-15J affect circuit operation?
A: No. A higher current rating provides additional design margin and does not negatively impact circuit performance when the original current requirement is 92 mA or less.
Q: Are there packaging differences between these parts?
A: The Bourns 9220-15 is supplied in standard packaging, while the API Delevan 2500-15J is available in Tape & Reel format. Both maintain through-hole axial mounting compatibility.
Q: What compliance considerations apply to this substitution?
A: Both parts share identical RoHS non-compliant status, ECCN (EAR99), and HTSUS (8504.50.8000) classifications. No additional compliance documentation is required for substitution.
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