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Bourns 8230-28 Equivalent & Substitute Parts
Part Overview
The Bourns 8230-28 is a 2.2 µH unshielded drum core wirewound inductor rated for 550 mA with a maximum DC resistance of 400mOhm. This through-hole axial component operates across the temperature range of -55°C to 105°C and is designed for applications requiring fixed inductance in compact form factors.
The 8230-28 carries an obsolete product status, making identification of suitable alternatives essential for ongoing production, maintenance, and design continuity. The availability of active equivalent parts ensures design flexibility and supply chain reliability.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 2.2 µH |
| Inductance Tolerance | ±10% |
| Current Rating | 550 mA |
| DC Resistance (Max) | 400mOhm |
| Core Type | Ferrite Drum Core |
| Shielding | Unshielded |
| Q Factor @ 7.9 MHz | 30 |
| Self Resonant Frequency | 115 MHz |
| Operating Temperature Range | -55°C to 105°C |
| Mounting Type | Through Hole |
| Package / Case | Axial |
| Physical Dimensions | 0.120" Dia × 0.300" L (3.05mm × 7.62mm) |
Substitute Part Grouping Explanation
Substitution eligibility for the Bourns 8230-28 is determined by strict equivalence across the following critical parameters:
- Inductance value: 2.2 µH
- Inductance tolerance: ±10%
- Current rating: 550 mA minimum
- DC resistance: 400mOhm maximum
- Core material and type: Ferrite drum core, unshielded
- Mounting configuration: Through hole, axial package
- Physical dimensions: 0.120" Dia × 0.300" L
- Operating temperature range: -55°C to 105°C minimum
Parts meeting all these specifications are classified as direct equivalents and may be substituted without circuit redesign or performance degradation.
Parameter Comparison
| Parameter | 8230-28 (Main Part) | 8230-28-RC (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | Identical |
| Series | 8230 | 8230 | Identical |
| Inductance | 2.2 µH | 2.2 µH | Identical |
| Tolerance | ±10% | ±10% | Identical |
| Current Rating | 550 mA | 550 mA | Identical |
| DC Resistance (Max) | 400mOhm | 400mOhm | Identical |
| Core Type | Ferrite Drum Core | Ferrite Drum Core | Identical |
| Shielding | Unshielded | Unshielded | Identical |
| Q @ 7.9 MHz | 30 | 30 | Identical |
| Self Resonant Frequency | 115 MHz | 115 MHz | Identical |
| Operating Temperature | -55°C to 105°C | -55°C to 105°C | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Package / Case | Axial | Axial | Identical |
| Physical Dimensions | 0.120" Dia × 0.300" L | 0.120" Dia × 0.300" L | Identical |
| Product Status | Obsolete | Active | Substitute is active |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | Substitute offers improved compliance |
| REACH Status | REACH Unaffected | REACH Unaffected | Identical |
Engineering Selection Recommendations
The Bourns 8230-28-RC is a direct functional equivalent to the obsolete 8230-28. Both parts share identical electrical specifications, mechanical dimensions, and thermal operating ranges. The primary distinction is product lifecycle status and regulatory compliance.
The 8230-28-RC maintains active product status with Bourns Inc., ensuring continued availability and supply chain support. Additionally, the 8230-28-RC achieves ROHS3 compliance, whereas the original 8230-28 is RoHS non-compliant. For applications subject to RoHS directives or environmental regulations, the 8230-28-RC is the appropriate selection.
Both parts carry identical REACH and ECCN classifications, confirming regulatory equivalence for export and material composition purposes.
Frequently Asked Questions (FAQ)
Q: Can the 8230-28-RC be used as a direct replacement for the 8230-28?
A: Yes. The 8230-28-RC is electrically and mechanically identical to the 8230-28 across all specified parameters, including inductance, current rating, DC resistance, core material, dimensions, and operating temperature range. No circuit modifications are required.
Q: What is the primary reason to transition from 8230-28 to 8230-28-RC?
A: The 8230-28 is obsolete, while the 8230-28-RC maintains active product status. Additionally, the 8230-28-RC is ROHS3 compliant, whereas the 8230-28 is RoHS non-compliant. For new designs and ongoing production, the 8230-28-RC ensures supply continuity and regulatory compliance.
Q: Are there packaging differences between these parts?
A: The 8230-28 is supplied in standard packaging, while the 8230-28-RC is supplied in bulk packaging. Both maintain identical component specifications and physical dimensions. Packaging selection depends on procurement volume and inventory management requirements.
Q: Do these inductors require any special handling or storage conditions?
A: Both parts are not subject to moisture sensitivity level (MSL) requirements. Standard component storage practices apply.
Q: Are there any frequency-dependent performance differences?
A: No. Both parts exhibit identical Q factor (30 @ 7.9 MHz) and self-resonant frequency (115 MHz) characteristics.
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