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15M223J Equivalent & Substitute Parts
Part Overview
The 15M223J is an active, molded unshielded RF inductor manufactured by Gowanda Electronics. This axial through-hole component provides 220 µH inductance with a maximum DC resistance of 7.45 Ohm and supports a current rating of 103 mA. The part operates across the temperature range of -55°C to 105°C and is supplied in Tape & Reel packaging. Equivalent parts are identified when they maintain the same electrical specifications and mechanical compatibility for direct circuit board substitution.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 220 µH |
| Tolerance | ±5% |
| Current Rating | 103 mA |
| DC Resistance (Max) | 7.45 Ohm |
| Q @ Frequency | 65 @ 790 kHz |
| Frequency - Self Resonant | 6.2 MHz |
| Operating Temperature | -55°C ~ 105°C |
| Mounting Type | Through Hole |
| Package / Case | Axial |
| Size / Dimension | 0.156" Dia x 0.375" L (3.96mm x 9.53mm) |
| Shielding | Unshielded |
| Material - Core | Iron Powder |
Substitute Part Grouping Explanation
Substitution of the 15M223J is based on strict electrical and mechanical parameter matching. The following criteria determine equivalency:
- Inductance value: 220 µH with ±5% tolerance
- DC resistance: 7.45 Ohm maximum
- Current rating: minimum 103 mA (higher ratings are acceptable)
- Q factor: 65 @ 790 kHz
- Self-resonant frequency: 6.2 MHz
- Operating temperature range: -55°C ~ 105°C
- Mounting configuration: Through-hole axial package
- Physical dimensions: 0.156" Dia x 0.375" L (3.96mm x 9.53mm)
- Shielding: Unshielded
- Core material: Iron or iron powder
The 1537-92J from API Delevan Inc. meets all electrical specifications and mechanical requirements for direct substitution.
Parameter Comparison
| Parameter | 15M223J (Gowanda) | 1537-92J (API Delevan) |
|---|---|---|
| Inductance | 220 µH | 220 µH |
| Tolerance | ±5% | ±5% |
| Current Rating (Amps) | 103 mA | 117 mA |
| DC Resistance (Max) | 7.45 Ohm | 7.45 Ohm |
| Q @ Frequency | 65 @ 790 kHz | 65 @ 790 kHz |
| Frequency - Self Resonant | 6.2 MHz | 6.2 MHz |
| Operating Temperature | -55°C ~ 105°C | -55°C ~ 105°C |
| Inductance Frequency - Test | 790 kHz | 790 kHz |
| Mounting Type | Through Hole | Through Hole |
| Package / Case | Axial | Axial |
| Size / Dimension | 0.156" Dia x 0.375" L (3.96mm x 9.53mm) | 0.156" Dia x 0.375" L (3.96mm x 9.53mm) |
| Shielding | Unshielded | Unshielded |
| Material - Core | Iron Powder | Iron |
| Product Status | Active | Active |
| ECCN | EAR99 | EAR99 |
| HTSUS | 8504.50.8000 | 8504.50.8000 |
Engineering Selection Recommendations
Both the 15M223J and 1537-92J are active products with identical electrical performance and mechanical compatibility. The 1537-92J offers a higher current rating of 117 mA compared to the 103 mA rating of the 15M223J, providing additional design margin in current-limited applications. The 1537-92J is supplied in Cut Tape packaging, whereas the 15M223J is supplied in Tape & Reel packaging; packaging selection depends on assembly process requirements. The 15M223J carries RoHS Not Applicable status, while the 1537-92J is RoHS non-compliant; compliance requirements should be evaluated against application specifications. Both parts maintain REACH Unaffected status and share identical ECCN and HTSUS classifications.
Frequently Asked Questions (FAQ)
Q: Can the 1537-92J directly replace the 15M223J in existing designs?
A: Yes. Both parts share identical inductance (220 µH), tolerance (±5%), DC resistance (7.45 Ohm max), Q factor (65 @ 790 kHz), self-resonant frequency (6.2 MHz), operating temperature range (-55°C ~ 105°C), and physical dimensions (0.156" Dia x 0.375" L). The 1537-92J has a higher current rating (117 mA vs. 103 mA), which is compatible with the 15M223J application space.
Q: What is the difference in packaging between these parts?
A: The 15M223J is supplied in Tape & Reel (TR) packaging, while the 1537-92J is supplied in Cut Tape (CT) packaging. Tape & Reel is typically used for high-volume automated assembly, whereas Cut Tape is used for lower-volume or manual assembly processes. Packaging selection should align with manufacturing equipment and volume requirements.
Q: Are there compliance differences between the 15M223J and 1537-92J?
A: The 15M223J has RoHS Not Applicable status, while the 1537-92J is RoHS non-compliant. Both parts are REACH Unaffected. If RoHS compliance is required for the application, the 15M223J is the appropriate choice. Both parts share the same ECCN (EAR99) and HTSUS (8504.50.8000) classifications.
Q: What core materials are used in these inductors?
A: The 15M223J uses an iron powder core, while the 1537-92J uses an iron core. Both materials support the specified electrical characteristics and operating temperature range. Core material selection does not affect substitution eligibility when electrical performance is identical.
Q: Does the higher current rating of the 1537-92J affect circuit performance?
A: No. The 1537-92J current rating of 117 mA exceeds the 15M223J rating of 103 mA. This provides additional saturation margin and does not degrade performance in applications designed for the 15M223J. The higher rating represents improved capability for the same electrical specifications.
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