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L0806B680JSWST Equivalent & Substitute Parts
Part Overview
The L0806B680JSWST is a 68 µH unshielded drum core wirewound inductor manufactured by KEMET in the 0806 (2016 Metric) surface mount package. This component is rated for 90 mA maximum current with 7 Ohm DC resistance and operates across the temperature range of -40°C to 105°C. The part is classified as Obsolete, necessitating identification of functionally equivalent alternatives for ongoing production and maintenance applications.
Substiute Parts
Key Parameters
| Parameter | Value | Unit |
|---|---|---|
| Inductance | 68 | µH |
| Inductance Tolerance | ±5 | % |
| Current Rating | 90 | mA |
| DC Resistance (DCR) | 7 | Ohm |
| Core Type | Ferrite Drum Core | — |
| Shielding | Unshielded | — |
| Package | 0806 (2016 Metric) | — |
| Mounting Type | Surface Mount | — |
| Operating Temperature Range | -40 to 105 | °C |
| Self Resonant Frequency | 11 | MHz |
| Inductance Test Frequency | 2.52 | MHz |
Substitute Part Grouping Explanation
Substitution of the L0806B680JSWST is determined by strict equivalence across the following critical parameters:
Electrical Parameters (Must Match):
- Inductance value: 68 µH
- Inductance tolerance: ±5%
- Current rating: 90 mA minimum
- DC resistance: 7 Ohm
- Self resonant frequency: 11 MHz
- Operating temperature range: -40°C to 105°C minimum
Mechanical Parameters (Must Match):
- Package designation: 0806 (2016 Metric)
- Core type: Ferrite drum core, wirewound
- Shielding configuration: Unshielded
- Mounting type: Surface mount
Compliance Parameters (Must Match or Exceed):
- RoHS3 compliance
- Moisture sensitivity level: 1 (Unlimited)
- REACH unaffected status
The substitute part LBM2016T680J meets all electrical, mechanical, and compliance requirements for direct substitution.
Parameter Comparison
| Parameter | L0806B680JSWST (KEMET) | LBM2016T680J (Taiyo Yuden) | Match |
|---|---|---|---|
| Inductance | 68 µH | 68 µH | Yes |
| Inductance Tolerance | ±5% | ±5% | Yes |
| Current Rating | 90 mA | 90 mA | Yes |
| DC Resistance | 7 Ohm | 7 Ohm | Yes |
| Core Type | Ferrite Drum Core | Ferrite Drum Core | Yes |
| Shielding | Unshielded | Unshielded | Yes |
| Package | 0806 (2016 Metric) | 0806 (2016 Metric) | Yes |
| Mounting Type | Surface Mount | Surface Mount | Yes |
| Operating Temperature | -40 to 105°C | -40 to 105°C | Yes |
| Self Resonant Frequency | 11 MHz | 11 MHz | Yes |
| Inductance Test Frequency | 2.52 MHz | 2.52 MHz | Yes |
| Q @ Frequency | Not specified | 20 @ 2.52 MHz | Substitute provides additional data |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | Yes |
| Moisture Sensitivity Level | 1 (Unlimited) | 1 (Unlimited) | Yes |
| REACH Status | REACH Unaffected | REACH Unaffected | Yes |
Engineering Selection Recommendations
The LBM2016T680J from Taiyo Yuden is a direct electrical and mechanical equivalent to the obsolete L0806B680JSWST. Both components satisfy identical specifications across inductance, current rating, DC resistance, package dimensions, and operating temperature range.
Product Status Consideration: The L0806B680JSWST is classified as Obsolete, while the LBM2016T680J is classified as Not For New Designs. For new product development, neither part should be selected. For legacy system maintenance and repair where the L0806B680JSWST is required, the LBM2016T680J provides functional continuity.
Compliance Alignment: Both parts maintain ROHS3 compliance, unlimited moisture sensitivity rating (MSL 1), and REACH unaffected status, ensuring regulatory compatibility in existing applications.
Packaging Difference: The L0806B680JSWST is supplied in Cut Tape (CT) packaging, while the LBM2016T680J is supplied in Tape & Reel (TR) packaging. This difference affects procurement and assembly processes but does not impact electrical or mechanical performance.
Frequently Asked Questions (FAQ)
Q: Can the LBM2016T680J be used as a direct replacement for the L0806B680JSWST in existing designs?
A: Yes. The LBM2016T680J meets all electrical specifications (68 µH inductance, 90 mA current rating, 7 Ohm DCR) and mechanical requirements (0806 package, surface mount, ferrite drum core, unshielded). Both components operate identically across the -40°C to 105°C temperature range.
Q: What is the difference between Cut Tape and Tape & Reel packaging?
A: Cut Tape (CT) packaging supplies individual components on tape segments, typically for lower-volume applications. Tape & Reel (TR) packaging supplies components on continuous reels, optimized for high-volume automated assembly. The electrical and mechanical properties of the component remain unchanged.
Q: Are there compliance differences between these two parts?
A: No. Both the L0806B680JSWST and LBM2016T680J maintain identical ROHS3 compliance, MSL 1 rating, and REACH unaffected status.
Q: Why is the Q factor specified for the substitute but not the main part?
A: The LBM2016T680J datasheet provides Q @ 2.52 MHz (20), while the L0806B680JSWST does not specify this parameter. This additional data does not affect substitution eligibility, as both components are tested at the same frequency (2.52 MHz) and exhibit the same self-resonant frequency (11 MHz).
Q: Can these inductors be used interchangeably in high-frequency applications?
A: Both components are rated to 11 MHz self-resonant frequency and are tested at 2.52 MHz. Application suitability depends on circuit requirements at the operating frequency. The electrical equivalence ensures performance parity within specified frequency limits.
Q: What inventory considerations apply to these parts?
A: The L0806B680JSWST has 2307 pieces in stock (Cut Tape), while the LBM2016T680J has 2300 pieces in stock (Tape & Reel). Availability is comparable, but packaging format should be confirmed against assembly requirements.
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