B82141B1682K9 Equivalent & Substitute Parts

Part Overview

The B82141B1682K9 is a 6.8 µH unshielded drum core wirewound inductor manufactured by EPCOS - TDK Electronics from the SBC series. This through-hole component is rated for 480 mA continuous current with a maximum DC resistance of 430mOhm and operates across the temperature range of -55°C to 125°C. The part is classified as obsolete, making identification of suitable substitute components essential for ongoing design support and production continuity.

Substiute Parts

B82141B1682K9

EPCOS - TDK ElectronicsIn Stock: 1016B82141B1682K9 Datasheet

Current PartRFQ

RLB0608-6R8KL

Bourns Inc.In Stock: 2081RLB0608-6R8KL Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the B82141B1682K9 is determined by the following critical parameters:

• Inductance Value: Must be 6.8 µH with ±10% tolerance
• Core Type: Ferrite drum core, unshielded construction
• Mounting Configuration: Through-hole radial, vertical cylinder package
• Current Handling: Minimum 480 mA rating required
• DC Resistance: Maximum 430mOhm acceptable
• Frequency Characteristics: Test frequency 7.96 MHz
• Compliance: ROHS3 compliant, REACH unaffected

The RLB0608-6R8KL from Bourns Inc. meets these substitution criteria with equivalent inductance, core material, and mounting type while providing enhanced current capacity and improved DC resistance characteristics.

Parameter Comparison

Engineering Selection Recommendations

The RLB0608-6R8KL is a qualified substitute for the obsolete B82141B1682K9 based on the following engineering criteria:

Electrical Equivalence: Both components maintain identical inductance values of 6.8 µH at the specified test frequency of 7.96 MHz with matching ±10% tolerance bands. The substitute provides superior DC resistance performance at 400mOhm maximum versus 430mOhm, reducing resistive losses in the circuit.

Current Capacity: The RLB0608-6R8KL exceeds the original part's current rating with 620 mA versus 480 mA, providing additional design margin and thermal headroom for the application.

Compliance & Regulatory Status: Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements. The substitute is currently in active production status, ensuring long-term availability and supply chain stability.

Physical Compatibility: Both parts utilize identical through-hole radial vertical cylinder packaging with ferrite drum core construction, supporting direct board-level substitution without layout modifications.

Temperature Operating Range Consideration: The original part operates from -55°C to 125°C while the substitute operates from -40°C to 105°C. Applications requiring the full -55°C lower temperature limit must evaluate this specification difference against actual system requirements.

Frequently Asked Questions (FAQ)

Q: Can the RLB0608-6R8KL directly replace the B82141B1682K9 on existing PCBs?

A: Yes. Both components share identical through-hole radial vertical cylinder packaging and ferrite drum core construction. No PCB layout modifications are required for direct substitution.

Q: What are the key electrical differences between these parts?

A: The substitute provides improved performance with lower DC resistance (400mOhm vs 430mOhm) and higher current capacity (620 mA vs 480 mA). Inductance values and tolerance specifications remain identical at 6.8 µH ±10%.

Q: Does the operating temperature range difference affect substitution eligibility?

A: The substitute operates from -40°C to 105°C versus the original -55°C to 125°C. Applications requiring operation below -40°C or above 105°C must retain the original specification or identify alternative solutions.

Q: Are both parts compliant with current environmental regulations?

A: Yes. Both the B82141B1682K9 and RLB0608-6R8KL are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Why is the original part listed as obsolete?

A: The B82141B1682K9 from the EPCOS SBC series has been discontinued. The RLB0608-6R8KL from Bourns remains in active production, providing continued availability and supply chain support.

Q: What is the significance of the Q factor difference at 7.96 MHz?

A: The substitute exhibits a Q factor of 60 at 7.96 MHz compared to 50 for the original part, indicating improved efficiency and lower losses at the specified test frequency.