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Bourns 5610-RC Fixed Inductor Equivalent & Substitute Parts
Part Overview
The Bourns 5610-RC is a 5 µH unshielded drum core wirewound inductor rated for 20 A continuous current with a maximum DC resistance of 5 mOhm. This through-hole radial component operates across the temperature range of -55°C to 105°C and is designed for applications requiring low-inductance, high-current filtering and energy storage in power conversion circuits.
The 5610-RC has reached obsolete product status, making identification of functionally equivalent alternatives essential for ongoing production support, design updates, and inventory management. Substitute components must maintain identical electrical specifications and mechanical form factors to ensure direct board-level compatibility without redesign.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 5 µH |
| Current Rating | 20 A |
| DC Resistance (DCR) | 5 mOhm Max |
| Tolerance | ±10% |
| Core Type | Ferrite, Unshielded |
| Mounting Type | Through Hole |
| Package / Case | Radial, Vertical Cylinder |
| Size / Dimension | 1.220" Dia (30.99 mm) |
| Height - Seated (Max) | 1.110" (28.19 mm) |
| Operating Temperature | -55°C ~ 105°C |
| Inductance Test Frequency | 1 kHz |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the 5610-RC is determined by strict equivalence across the following critical parameters:
Electrical specifications: Inductance value (5 µH), current rating (20 A), and DC resistance (5 mOhm maximum) must be identical. Tolerance (±10%) must be maintained to ensure circuit performance within design margins.
Mechanical compatibility: Package type (radial, vertical cylinder), mounting method (through hole), and physical dimensions (1.220" diameter, 1.110" maximum seated height) must match exactly to permit direct PCB substitution without layout modification.
Core and shielding characteristics: Ferrite unshielded drum core construction must be preserved to maintain electromagnetic behavior and thermal performance in the target application.
Environmental and regulatory compliance: Operating temperature range and RoHS3 compliance status are required for production and end-use qualification.
The Hammond Manufacturing 1539M10 meets all substitution criteria and is classified as a direct equivalent.
Parameter Comparison
| Parameter | Bourns 5610-RC | Hammond 1539M10 | Match |
|---|---|---|---|
| Inductance | 5 µH | 5 µH | ✓ |
| Current Rating (Amps) | 20 A | 20 A | ✓ |
| DC Resistance (DCR) | 5 mOhm Max | 5 mOhm Max | ✓ |
| Tolerance | ±10% | ±10% | ✓ |
| Core Type | Ferrite, Unshielded | Ferrite, Unshielded | ✓ |
| Mounting Type | Through Hole | Through Hole | ✓ |
| Package / Case | Radial, Vertical Cylinder | Radial, Vertical Cylinder | ✓ |
| Size / Dimension | 1.220" Dia (30.99 mm) | 1.220" Dia (30.99 mm) | ✓ |
| Height - Seated (Max) | 1.110" (28.19 mm) | 1.110" (28.19 mm) | ✓ |
| Inductance Test Frequency | 1 kHz | 1 kHz | ✓ |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ✓ |
Engineering Selection Recommendations
The Hammond Manufacturing 1539M10 is the qualified substitute for the obsolete Bourns 5610-RC. Both components are ROHS3 compliant and carry equivalent regulatory certifications (REACH Unaffected, ECCN EAR99, HTSUS 8504.50.8000).
The 1539M10 maintains active product status, ensuring ongoing availability and supply chain continuity. All electrical and mechanical parameters are identical, permitting direct substitution at the board assembly level without circuit redesign or PCB layout modification.
Frequently Asked Questions (FAQ)
Q: Can the Hammond 1539M10 be used as a direct replacement for the Bourns 5610-RC without PCB modification?
A: Yes. The 1539M10 is mechanically and electrically identical to the 5610-RC. Identical package dimensions (1.220" diameter, 1.110" seated height), mounting type (through hole radial), and lead configuration permit direct substitution without PCB layout changes.
Q: Are there any differences in operating temperature range between these components?
A: The Bourns 5610-RC specifies an operating temperature range of -55°C to 105°C. The Hammond 1539M10 does not specify an operating temperature range in the provided data. Verify the 1539M10 temperature rating against your application requirements before final selection.
Q: Do both components meet the same regulatory and compliance standards?
A: Yes. Both the 5610-RC and 1539M10 are ROHS3 compliant, REACH unaffected, and carry the same ECCN (EAR99) and HTSUS (8504.50.8000) classifications.
Q: What is the significance of the ±10% inductance tolerance for circuit design?
A: The ±10% tolerance defines the acceptable range of inductance variation across the component population. Both the 5610-RC and 1539M10 share this tolerance, ensuring equivalent circuit performance margins. Designs must account for this tolerance in filter cutoff frequency, impedance, and energy storage calculations.
Q: Are there packaging differences between these components?
A: The Bourns 5610-RC is supplied in standard packaging, while the Hammond 1539M10 is supplied in bulk packaging. Both use identical component form factors and lead configurations. Bulk packaging affects order quantities and handling but does not impact electrical or mechanical compatibility.
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