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Bourns 2310-H Fixed Inductor Equivalent & Substitute Parts
Part Overview
The Bourns 2310-H is a 56 µH unshielded toroidal inductor rated for 10.2 A continuous current with a maximum DC resistance of 17 mOhm. This through-hole component features an iron powder core and is designed for radial, horizontal mounting in applications requiring stable inductance across the -55°C to 105°C operating temperature range.
The 2310-H carries an obsolete product status. Identifying equivalent and substitute parts is necessary to maintain design continuity, ensure supply chain reliability, and support ongoing production or maintenance requirements for systems utilizing this inductor specification.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 56 µH |
| Inductance Tolerance | ±15% |
| Current Rating | 10.2 A |
| DC Resistance (Max) | 17 mOhm |
| Core Material | Iron Powder |
| Shielding | Unshielded |
| Mounting Type | Through Hole |
| Package / Case | Radial, Horizontal (Open) |
| Operating Temperature Range | -55°C to 105°C |
| Size / Dimension | 1.280" Dia (32.51 mm) |
| Height - Seated (Max) | 0.650" (16.51 mm) |
| Inductance Test Frequency | 1 kHz |
Substitute Part Grouping Explanation
Substitution eligibility for the 2310-H is determined by strict equivalence across the following critical parameters:
- Inductance value: 56 µH
- Inductance tolerance: ±15%
- Current rating: 10.2 A minimum
- DC resistance: 17 mOhm maximum
- Core material: Iron Powder
- Shielding configuration: Unshielded
- Mounting type: Through Hole
- Package / Case: Radial, Horizontal (Open)
- Physical dimensions: 1.280" Dia (32.51 mm), Height 0.650" (16.51 mm) maximum
- Operating temperature range: -55°C to 105°C
Substitute parts must match all electrical specifications and physical form factors to ensure direct compatibility without circuit redesign or mechanical rework.
Parameter Comparison
| Parameter | 2310-H (Main Part) | 2310-H-RC (Substitute) |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. |
| Series | 2300 | 2300 |
| Inductance | 56 µH | 56 µH |
| Inductance Tolerance | ±15% | ±15% |
| Current Rating | 10.2 A | 10.2 A |
| DC Resistance (Max) | 17 mOhm | 17 mOhm |
| Core Material | Iron Powder | Iron Powder |
| Shielding | Unshielded | Unshielded |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial, Horizontal (Open) | Radial, Horizontal (Open) |
| Size / Dimension | 1.280" Dia (32.51 mm) | 1.280" Dia (32.51 mm) |
| Height - Seated (Max) | 0.650" (16.51 mm) | 0.650" (16.51 mm) |
| Operating Temperature Range | -55°C to 105°C | -55°C to 105°C |
| Inductance Test Frequency | 1 kHz | 1 kHz |
| Product Status | Obsolete | Active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant |
| Packaging | - | Bulk |
Engineering Selection Recommendations
The 2310-H-RC is a direct electrical and mechanical equivalent to the 2310-H. Both parts are manufactured by Bourns Inc. within the 2300 series and share identical inductance, current rating, DC resistance, core material, shielding, mounting configuration, and physical dimensions.
The primary distinction between these parts is product lifecycle status and regulatory compliance. The 2310-H is obsolete, while the 2310-H-RC maintains active product status. The 2310-H-RC achieves ROHS3 compliance, whereas the 2310-H is RoHS non-compliant. Both parts are REACH Unaffected and classified under ECCN EAR99.
For new designs or ongoing production requiring regulatory compliance with modern standards, the 2310-H-RC is the appropriate selection. For legacy system maintenance where RoHS compliance is not a requirement, either part satisfies the electrical and mechanical specifications.
Frequently Asked Questions (FAQ)
Q: Can the 2310-H-RC be used as a direct replacement for the 2310-H in existing assemblies?
A: Yes. The 2310-H-RC is electrically and mechanically identical to the 2310-H. Both components share the same inductance value (56 µH), current rating (10.2 A), DC resistance (17 mOhm maximum), core material (iron powder), shielding (unshielded), mounting type (through hole), and physical dimensions (1.280" diameter, 0.650" maximum height). No circuit redesign or mechanical rework is required.
Q: What is the difference between the 2310-H and 2310-H-RC?
A: The electrical and mechanical specifications are identical. The 2310-H-RC differs in product status (active versus obsolete) and regulatory compliance. The 2310-H-RC is ROHS3 compliant, while the 2310-H is RoHS non-compliant. The 2310-H-RC is supplied in bulk packaging.
Q: Are there any compatibility concerns when substituting the 2310-H-RC for the 2310-H?
A: No compatibility concerns exist. Both parts operate across the same temperature range (-55°C to 105°C), maintain identical inductance tolerance (±15%), and are tested at the same frequency (1 kHz). Physical form factor and mounting configuration are identical, ensuring direct board-level compatibility.
Q: Which part should be selected for new production?
A: The 2310-H-RC should be selected for new production. It maintains active product status and meets current regulatory requirements including ROHS3 compliance. The 2310-H is obsolete and should be reserved for legacy system maintenance only.
Q: Does the packaging difference between the 2310-H and 2310-H-RC affect electrical performance?
A: No. Packaging format (bulk for the 2310-H-RC) does not affect electrical or mechanical performance. Both parts deliver identical inductance, current handling, and DC resistance characteristics.
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