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Bourns 9130-68 100µH Axial Inductor: Equivalent & Substitute Parts
Part Overview
The Bourns 9130-68 is a 100 µH unshielded drum core wirewound inductor rated for 84 mA with 8Ω maximum DC resistance. This through-hole axial component operates across -55°C to 105°C and is designed for applications requiring fixed inductance in compact form factors. The 9130 series is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. Active alternatives with identical electrical specifications are available from API Delevan and TE Connectivity.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Inductance | 100 µH |
| Tolerance | ±10% |
| Current Rating | 84 mA |
| DC Resistance (Max) | 8Ω |
| Core Material | Ferrite |
| Shielding | Unshielded |
| Q Factor @ 2.5MHz | 50 |
| Self Resonant Frequency | 13 MHz |
| Operating Temperature Range | -55°C to 105°C |
| Mounting Type | Through Hole |
| Package | Axial |
Substitute Part Grouping Explanation
Substitution for the Bourns 9130-68 is determined by strict equivalence across electrical and mechanical parameters. The following criteria define valid substitutes:
- Inductance value: 100 µH ±10%
- Current rating: 84 mA minimum
- DC resistance: 8Ω maximum
- Core material: Ferrite
- Shielding configuration: Unshielded
- Frequency characteristics: Q @ 2.5MHz = 50; Self resonant frequency = 13 MHz
- Operating temperature: -55°C to 105°C
- Mounting: Through hole axial configuration
Two active substitutes meet these criteria: the API Delevan ER1025-68KR (military-grade, MIL-PRF-39010/10 qualified) and the TE Connectivity MSC30101KT (commercial-grade, RoHS3 compliant). Both maintain identical electrical performance and core specifications while differing in physical dimensions, compliance certifications, and product status.
Parameter Comparison
| Parameter | Bourns 9130-68 | API Delevan ER1025-68KR | TE Connectivity MSC30101KT |
|---|---|---|---|
| Inductance | 100 µH | 100 µH | 100 µH |
| Tolerance | ±10% | ±10% | ±10% |
| Current Rating (Amps) | 84 mA | 84 mA | 84 mA |
| DC Resistance (Max) | 8Ω | 8Ω | 8Ω |
| Core Material | Ferrite | Ferrite | Ferrite |
| Shielding | Unshielded | Unshielded | Unshielded |
| Q @ 2.5MHz | 50 | 50 | 50 |
| Self Resonant Frequency | 13 MHz | 13 MHz | 13 MHz |
| Operating Temperature | -55°C to 105°C | -55°C to 105°C | -55°C to 105°C |
| Mounting Type | Through Hole | Through Hole | Through Hole |
| Package / Case | Axial | Axial | Axial |
| Physical Dimensions | 0.095" Dia × 0.250" L (2.41mm × 6.35mm) | 0.095" Dia × 0.250" L (2.41mm × 6.35mm) | 0.165" Dia × 0.394" L (4.20mm × 10.00mm) |
| Product Status | Obsolete | Active | Active |
| RoHS Status | Non-compliant | Non-compliant | RoHS3 Compliant |
| Packaging | - | Tape & Reel (TR) | Tape & Reel (TR) |
Engineering Selection Recommendations
API Delevan ER1025-68KR is the direct electrical and mechanical equivalent. It maintains identical physical dimensions (0.095" Dia × 0.250" L) and all electrical specifications. This part is qualified to MIL-PRF-39010/10 military standards and carries active product status, making it suitable for applications requiring military-grade reliability or legacy system replacements where form factor constraints are critical.
TE Connectivity MSC30101KT provides electrical equivalence with RoHS3 compliance certification, addressing environmental and regulatory requirements for modern production. The larger physical dimensions (0.165" Dia × 0.394" L) require PCB layout verification before selection. This part is appropriate for new designs or applications where RoHS compliance is mandatory and board space permits the larger footprint.
Selection between these substitutes depends on compliance requirements, physical space constraints, and supply chain availability. Both maintain the electrical performance and operating characteristics of the original Bourns 9130-68.
Frequently Asked Questions (FAQ)
Q: Can the TE Connectivity MSC30101KT be used as a direct replacement for the Bourns 9130-68 in existing designs?
A: Electrical substitution is valid. However, the MSC30101KT has larger physical dimensions (0.165" Dia × 0.394" L versus 0.095" Dia × 0.250" L). PCB layout and mechanical clearance must be verified before implementation.
Q: What is the difference between the API Delevan ER1025-68KR and TE Connectivity MSC30101KT?
A: Both parts are electrically identical to the Bourns 9130-68. The API Delevan part maintains the original form factor and carries military qualification. The TE Connectivity part is RoHS3 compliant and has a larger physical envelope. Selection depends on compliance needs and available board space.
Q: Why is the Bourns 9130-68 listed as obsolete?
A: The 9130 series has been discontinued by Bourns. Active equivalents from API Delevan and TE Connectivity provide continued availability for this inductance value and specification set.
Q: Are all three parts rated for the same current and temperature range?
A: Yes. All three parts are rated for 84 mA current and operate across -55°C to 105°C. DC resistance is 8Ω maximum for all variants.
Q: What packaging formats are available for the substitute parts?
A: Both the API Delevan ER1025-68KR and TE Connectivity MSC30101KT are supplied in Tape & Reel (TR) format for automated assembly.
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