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Bourns 2311-V 68µH Toroidal Inductor Equivalent & Substitute Parts
Part Overview
The Bourns 2311-V is a 68µH unshielded toroidal inductor rated for 7.7A continuous current with a maximum DC resistance of 30mOhm. This through-hole component features an iron powder core and operates across the temperature range of -55°C to 105°C. The 2311-V is classified as obsolete, making identification of active equivalent parts essential for ongoing production and maintenance applications. 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 | 68 µH |
| Inductance Tolerance | ±15% |
| Current Rating | 7.7 A |
| DC Resistance (DCR) | 30mOhm Max |
| Core Material | Iron Powder |
| Shielding | Unshielded |
| Mounting Type | Through Hole |
| Package / Case | Radial, Vertical (Open) |
| Physical Dimensions | 1.280" Dia x 0.650" W (32.51mm x 16.51mm) |
| Operating Temperature Range | -55°C to 105°C |
| Inductance Test Frequency | 1 kHz |
Substitute Part Grouping Explanation
Substitution of the 2311-V is determined by strict equivalence across the following critical parameters:
- Inductance Value: 68µH with ±15% tolerance
- Current Rating: 7.7A minimum continuous current capacity
- DC Resistance: 30mOhm maximum
- Core Type: Iron powder construction
- Shielding Configuration: Unshielded
- Mounting and Package: Through-hole radial vertical orientation with identical physical dimensions (1.280" Dia x 0.650" W)
- Temperature Range: -55°C to 105°C operation
The 2311-V-RC is a direct electrical and mechanical equivalent manufactured by Bourns Inc. within the same 2300 series. Both parts share identical inductance, current rating, DC resistance, core material, and physical form factor. The primary distinction is product status and compliance certification.
Parameter Comparison
| Parameter | 2311-V (Main Part) | 2311-V-RC (Substitute) |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. |
| Series | 2300 | 2300 |
| Inductance | 68 µH | 68 µH |
| Inductance Tolerance | ±15% | ±15% |
| Current Rating (Amps) | 7.7 A | 7.7 A |
| DC Resistance (DCR) | 30mOhm Max | 30mOhm Max |
| Core Material | Iron Powder | Iron Powder |
| Shielding | Unshielded | Unshielded |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Radial, Vertical (Open) | Radial, Vertical (Open) |
| Physical Dimensions | 1.280" Dia x 0.650" W (32.51mm x 16.51mm) | 1.280" Dia x 0.650" W (32.51mm x 16.51mm) |
| 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 |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The 2311-V-RC is the direct active equivalent for the obsolete 2311-V. Both components are manufactured by Bourns Inc. and maintain identical electrical and mechanical specifications across all critical parameters. The 2311-V-RC is currently in active production status with confirmed inventory availability.
The 2311-V-RC provides ROHS3 compliance, whereas the original 2311-V is RoHS non-compliant. For applications subject to RoHS regulatory requirements, the 2311-V-RC is the appropriate selection. Both parts maintain REACH unaffected status and share the same ECCN and HTSUS classifications.
Selection between these parts is determined by regulatory compliance requirements and component availability. From an electrical and mechanical standpoint, the 2311-V-RC provides direct substitution without circuit redesign or performance modification.
Frequently Asked Questions (FAQ)
Q: Can the 2311-V-RC be used as a direct replacement for the 2311-V in existing designs?
A: Yes. The 2311-V-RC is electrically and mechanically identical to the 2311-V. Both components share the same inductance value (68µH ±15%), current rating (7.7A), DC resistance (30mOhm max), core material (iron powder), and physical dimensions (1.280" Dia x 0.650" W). Direct substitution requires no circuit modifications.
Q: What is the primary difference between the 2311-V and 2311-V-RC?
A: The 2311-V is classified as obsolete, while the 2311-V-RC is in active production. The 2311-V-RC also provides ROHS3 compliance, whereas the 2311-V is RoHS non-compliant. All electrical and mechanical parameters are identical.
Q: Are there packaging differences between these parts?
A: The 2311-V is supplied in standard packaging, while the 2311-V-RC is supplied in bulk packaging. Both maintain the same through-hole radial vertical form factor and physical dimensions, ensuring compatibility with existing PCB layouts.
Q: What inventory status should be considered when selecting between these parts?
A: The 2311-V has 728 pieces in stock (obsolete status), while the 2311-V-RC has 1263 pieces in stock (active status). For new designs and ongoing production, the 2311-V-RC is the recommended selection due to active manufacturing status and higher availability.
Q: Are there any compliance or certification differences?
A: The 2311-V-RC is ROHS3 compliant, while the 2311-V is RoHS non-compliant. Both parts maintain REACH unaffected status. For applications requiring RoHS compliance, the 2311-V-RC is the appropriate selection.
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