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Bourns 9250-823-RC Equivalent & Substitute Parts
Part Overview
The Bourns 9250-823-RC is a 82 µH shielded drum core wirewound inductor rated for 180 mA with a maximum DC resistance of 2.44 Ohm. This through-hole axial component operates across a temperature range of -55°C to 105°C and is designed for applications requiring fixed inductance with ferrite core shielding. The 9250-823-RC carries an obsolete product status, making identification of active equivalent parts essential for ongoing design support and procurement continuity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 82 µH |
| Tolerance | ±10% |
| Current Rating | 180 mA |
| Current - Saturation (Isat) | 140 mA |
| DC Resistance (DCR) | 2.44 Ohm Max |
| Shielding | Shielded |
| Core Material | Ferrite |
| Q @ Frequency | 50 @ 2.5 MHz |
| Frequency - Self Resonant | 10.5 MHz |
| Mounting Type | Through Hole |
| Package / Case | Axial |
| Size / Dimension | 0.162" Dia x 0.410" L (4.11mm x 10.41mm) |
| Operating Temperature | -55°C ~ 105°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
The Bourns 9250A-823-RC qualifies as a direct substitute based on matching electrical and mechanical parameters. Substitution is valid when the following criteria are met:
- Inductance value: 82 µH (identical)
- Inductance tolerance: ±10% (identical)
- Current rating: 180 mA (identical)
- Saturation current: 140 mA (identical)
- DC resistance: 2.44 Ohm Max (identical)
- Shielding type: Shielded (identical)
- Core material: Ferrite (identical)
- Q factor: 50 @ 2.5 MHz (identical)
- Self-resonant frequency: 10.5 MHz (identical)
- Mounting type: Through Hole (identical)
- Package type: Axial (identical)
- Physical dimensions: 0.162" Dia x 0.410" L (identical)
The primary distinction between the main part and substitute is the core construction type (drum core versus molded) and product status transition (obsolete to active).
Parameter Comparison
| Parameter | 9250-823-RC (Main) | 9250A-823-RC (Substitute) |
|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. |
| Series | 9250 | 9250A |
| Product Status | Obsolete | Active |
| Type | Drum Core, Wirewound | Molded |
| Inductance | 82 µH | 82 µH |
| Tolerance | ±10% | ±10% |
| Current Rating (Amps) | 180 mA | 180 mA |
| Current - Saturation (Isat) | 140 mA | 140 mA |
| DC Resistance (DCR) | 2.44 Ohm Max | 2.44 Ohm Max |
| Shielding | Shielded | Shielded |
| Core Material | Ferrite | Ferrite |
| Q @ Frequency | 50 @ 2.5 MHz | 50 @ 2.5 MHz |
| Frequency - Self Resonant | 10.5 MHz | 10.5 MHz |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Axial | Axial |
| Size / Dimension | 0.162" Dia x 0.410" L (4.11mm x 10.41mm) | 0.162" Dia x 0.410" L (4.11mm x 10.41mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The 9250A-823-RC is the active equivalent for the obsolete 9250-823-RC. Both parts maintain identical electrical specifications and physical dimensions, ensuring direct functional compatibility. The 9250A-823-RC offers an extended operating temperature range (-55°C to 125°C versus -55°C to 105°C), providing additional thermal margin for demanding applications. Both parts maintain ROHS3 compliance and REACH unaffected status, meeting current regulatory requirements. The transition from drum core to molded construction in the 9250A series represents a manufacturing evolution while preserving all critical performance parameters.
Frequently Asked Questions (FAQ)
Q: Can the 9250A-823-RC replace the 9250-823-RC in existing designs?
A: Yes. Both parts share identical inductance (82 µH), current rating (180 mA), DC resistance (2.44 Ohm Max), and physical dimensions (0.162" Dia x 0.410" L). The electrical performance and mechanical fit are equivalent.
Q: What is the difference between drum core and molded construction?
A: The 9250-823-RC uses drum core wirewound construction, while the 9250A-823-RC uses molded construction. Both achieve identical electrical specifications and shielding performance. The molded design represents a current manufacturing standard.
Q: Does the extended temperature range of the 9250A-823-RC affect compatibility?
A: No. The extended range (-55°C to 125°C versus -55°C to 105°C) provides additional operational margin and does not impact compatibility with designs specified for the original temperature range.
Q: Are both parts RoHS and REACH compliant?
A: Yes. Both the 9250-823-RC and 9250A-823-RC are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.
Q: What packaging options are available?
A: The 9250-823-RC is supplied in standard packaging, while the 9250A-823-RC is available in bulk packaging. Both maintain identical component specifications and axial through-hole configuration.
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