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Bourns 2217-H Equivalent & Substitute Parts
Part Overview
The Bourns 2217-H is a 270 µH shielded toroidal inductor rated for 3.4 A continuous current with 92 mOhm maximum DC resistance. This through-hole component features an iron powder core and operates across the temperature range of -55°C to 105°C. The 2217-H is classified as obsolete, making identification of suitable substitutes necessary for ongoing design support and production continuity. Substitute parts must maintain identical electrical specifications and mechanical form factors to ensure direct compatibility in existing circuit designs.
Substiute Parts
Key Parameters
| Parameter | Specification |
|---|---|
| Inductance | 270 µH |
| Inductance Tolerance | ±15% |
| Current Rating | 3.4 A |
| DC Resistance (Max) | 92 mOhm |
| Core Material | Iron Powder |
| Shielding | Shielded |
| Package Type | Radial, Horizontal (Open) |
| Mounting | Through Hole |
| Physical Size | 0.950" Dia (24.13 mm) |
| Height (Seated Max) | 0.550" (13.97 mm) |
| Operating Temperature | -55°C to 105°C |
| Test Frequency | 1 kHz |
Substitute Part Grouping Explanation
Substitution of the Bourns 2217-H is determined by strict equivalence across the following critical parameters:
- Inductance Value: 270 µH with ±15% tolerance
- Current Rating: 3.4 A minimum continuous current capacity
- DC Resistance: 92 mOhm maximum
- Core Type: Iron powder shielded construction
- Package Geometry: Radial, horizontal orientation with 0.950" diameter and 0.550" maximum seated height
- Mounting Interface: Through-hole configuration
- Temperature Range: -55°C to 105°C operational limits
The 2217-H-RC variant meets all these criteria and qualifies as a direct substitute. The primary distinction between the main part and its substitute is product status and packaging configuration, not electrical or mechanical performance.
Parameter Comparison
| Parameter | 2217-H (Main) | 2217-H-RC (Substitute) |
|---|---|---|
| Inductance | 270 µH | 270 µH |
| Inductance Tolerance | ±15% | ±15% |
| Current Rating | 3.4 A | 3.4 A |
| DC Resistance (Max) | 92 mOhm | 92 mOhm |
| Core Material | Iron Powder | Iron Powder |
| Shielding | Shielded | Shielded |
| Package Type | Radial, Horizontal (Open) | Radial, Horizontal (Open) |
| Mounting Type | Through Hole | Through Hole |
| Physical Size | 0.950" Dia (24.13 mm) | 0.950" Dia (24.13 mm) |
| Height (Seated Max) | 0.550" (13.97 mm) | 0.550" (13.97 mm) |
| Operating Temperature | -55°C to 105°C | -55°C to 105°C |
| Product Status | Obsolete | Active |
| RoHS Compliance | Non-compliant | ROHS3 Compliant |
Engineering Selection Recommendations
The 2217-H-RC is the qualified substitute for the obsolete 2217-H. Both components are manufactured by Bourns Inc. within the 2200 series and share identical electrical and mechanical specifications. The 2217-H-RC offers the advantage of active product status and ROHS3 compliance, making it the preferred selection for new designs and production continuity. The substitute maintains full compatibility with existing PCB layouts and circuit designs originally specified for the 2217-H. Both parts carry identical ECCN (EAR99) and HTSUS (8504.50.4000) classifications.
Frequently Asked Questions (FAQ)
Q: Can the 2217-H-RC be used as a direct replacement for the 2217-H?
A: Yes. The 2217-H-RC is electrically and mechanically identical to the 2217-H. All critical parameters including inductance, current rating, DC resistance, core material, shielding, package geometry, and operating temperature range are equivalent. The components are interchangeable at the circuit level.
Q: What is the difference between the 2217-H and 2217-H-RC?
A: The primary differences are product status and packaging. The 2217-H is obsolete, while the 2217-H-RC is active. The 2217-H-RC is supplied in bulk packaging and meets ROHS3 compliance standards, whereas the 2217-H is RoHS non-compliant. Electrical and mechanical specifications are identical.
Q: Are there any compatibility concerns when substituting the 2217-H-RC for the 2217-H?
A: No compatibility concerns exist. Both components feature identical radial, horizontal through-hole mounting with matching physical dimensions (0.950" diameter, 0.550" maximum height). PCB footprints and circuit performance remain unchanged.
Q: Does the 2217-H-RC meet current regulatory requirements?
A: Yes. The 2217-H-RC is ROHS3 compliant and REACH unaffected, meeting current regulatory standards. The obsolete 2217-H does not carry these certifications.
Q: What packaging options are available for these inductors?
A: The 2217-H was supplied in standard packaging (status now obsolete). The 2217-H-RC is available in bulk packaging configuration.
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