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Bourns 9230-04 220 nH Axial Inductor Equivalent & Substitute Parts
Part Overview
The Bourns 9230-04 is a 220 nH unshielded molded inductor rated for 935 mA with 140 mOhm maximum DC resistance, designed for through-hole axial mounting. This component is classified as obsolete, making identification of equivalent and substitute parts essential for ongoing design support and production continuity. The part operates across a temperature range of -55°C to 105°C and is non-RoHS compliant.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 220 nH |
| Tolerance | ±10% |
| Current Rating | 935 mA |
| DC Resistance (DCR) | 140 mOhm Max |
| Q @ Frequency | 33 @ 25 MHz |
| Frequency - Self Resonant | 510 MHz |
| Operating Temperature Range | -55°C ~ 105°C |
| Mounting Type | Through Hole |
| Package / Case | Axial |
| Size / Dimension | 0.095" Dia x 0.250" L (2.41 mm x 6.35 mm) |
| Material - Core | Phenolic |
| Shielding | Unshielded |
Substitute Part Grouping Explanation
Substitute parts for the 9230-04 are identified based on strict electrical and mechanical parameter matching. The critical parameters determining substitution eligibility are:
- Inductance value: 220 nH
- Tolerance: ±10%
- DC Resistance: 140 mOhm Max
- Q @ 25 MHz: 33
- Self Resonant Frequency: 510 MHz
- Mounting Type: Through Hole Axial
- Physical dimensions: 0.095" Dia x 0.250" L
- Core material: Phenolic
- Shielding: Unshielded
Parts meeting these criteria are classified as direct equivalents or similar substitutes based on current rating compatibility and product status.
Parameter Comparison
| Parameter | 9230-04 (Main) | 9230-04-RC (Direct) | 1025-04K (Similar) |
|---|---|---|---|
| Manufacturer | Bourns Inc. | Bourns Inc. | API Delevan Inc. |
| Inductance | 220 nH | 220 nH | 220 nH |
| Tolerance | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 935 mA | 935 mA | 1.04 A |
| DC Resistance (DCR) | 140 mOhm Max | 140 mOhm Max | 140 mOhm Max |
| Q @ 25 MHz | 33 | 33 | 33 |
| Frequency - Self Resonant | 510 MHz | 510 MHz | 510 MHz |
| Operating Temperature Range | -55°C ~ 105°C | -55°C ~ 105°C | -55°C ~ 125°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial |
| Size / Dimension | 0.095" Dia x 0.250" L | 0.095" Dia x 0.250" L | 0.095" Dia x 0.250" L |
| Material - Core | Phenolic | Phenolic | Phenolic |
| Shielding | Unshielded | Unshielded | Unshielded |
| Product Status | Obsolete | Active | Active |
| RoHS Status | Non-compliant | ROHS3 Compliant | Non-compliant |
| Packaging | - | Bulk | Bulk |
Engineering Selection Recommendations
The 9230-04-RC is the primary direct substitute, manufactured by Bourns Inc. with identical electrical specifications and physical dimensions. The 9230-04-RC differs only in product status (Active vs. Obsolete) and RoHS compliance (ROHS3 Compliant vs. Non-compliant), making it the preferred choice for new designs and production continuity.
The 1025-04K from API Delevan Inc. is a similar substitute that matches all critical electrical parameters and physical dimensions. It provides a higher current rating of 1.04 A compared to 935 mA and an extended operating temperature range to 125°C. The 1025-04K is non-RoHS compliant, matching the compliance status of the original 9230-04.
Selection between these substitutes depends on compliance requirements and temperature operating range needs. For RoHS3 compliance, the 9230-04-RC is the appropriate choice. For applications requiring extended temperature operation beyond 105°C, the 1025-04K provides additional thermal margin.
Frequently Asked Questions (FAQ)
Q: Can the 9230-04-RC be used as a direct replacement for the 9230-04?
A: Yes. The 9230-04-RC is electrically and mechanically identical to the 9230-04, with matching inductance, tolerance, current rating, DC resistance, Q factor, self-resonant frequency, operating temperature range, and physical dimensions. The primary differences are product status and RoHS compliance.
Q: What are the key differences between the 9230-04-RC and 1025-04K?
A: Both parts share identical inductance (220 nH), tolerance (±10%), DC resistance (140 mOhm Max), Q factor (33 @ 25 MHz), self-resonant frequency (510 MHz), and physical dimensions. The 1025-04K has a higher current rating (1.04 A vs. 935 mA) and extended operating temperature range (-55°C to 125°C vs. -55°C to 105°C). The 9230-04-RC is RoHS3 compliant, while the 1025-04K is non-compliant.
Q: Are all substitute parts available in the same packaging?
A: The 9230-04 original packaging is not specified. Both substitute parts (9230-04-RC and 1025-04K) are available in bulk packaging.
Q: Do the substitute parts have the same physical footprint?
A: Yes. All three parts share identical dimensions of 0.095" Dia x 0.250" L (2.41 mm x 6.35 mm) and are mounted as through-hole axial components.
Q: Which substitute should be selected for new designs?
A: The 9230-04-RC is recommended for new designs requiring RoHS3 compliance. The 1025-04K is suitable for applications where extended temperature operation to 125°C is required and RoHS compliance is not a constraint.
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