Bourns 6000-821K-RC Equivalent & Substitute Parts

Part Overview

The Bourns 6000-821K-RC is a 820 µH unshielded drum core wirewound inductor rated for 560 mA with a maximum DC resistance of 1.8Ohm. This through-hole component features a radial, vertical cylinder package and operates across a temperature range of -55°C to 105°C. The part carries a "Not For New Designs" product status, making identification of active equivalent components essential for ongoing production and new design initiatives.

Substiute Parts

6000-821K-RC
Bourns Inc.In Stock: 9876000-821K-RC Datasheet
6000-821K-RC
Current Part
RLB9012-821KL
Bourns Inc.In Stock: 5088RLB9012-821KL Datasheet
RLB9012-821KL
Direct

Key Parameters

Parameter Value
Inductance 820 µH
Inductance Tolerance ±10%
Current Rating 560 mA
DC Resistance (Max) 1.8Ohm
Core Material Ferrite
Shielding Unshielded
Mounting Type Through Hole
Package Type Radial, Vertical Cylinder
Physical Dimensions 0.354" Dia (9.00mm) × 0.480" Height (12.20mm)
Operating Temperature Range -55°C to 105°C
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

The RLB9012-821KL qualifies as a direct substitute for the 6000-821K-RC based on matching electrical and mechanical parameters. Substitution eligibility is determined by the following criteria:

  • Inductance value: 820 µH with ±10% tolerance
  • Current rating: 560 mA minimum
  • DC resistance: 1.8Ohm maximum
  • Core material: Ferrite, unshielded
  • Package configuration: Radial, vertical cylinder through-hole
  • Physical footprint: 0.354" diameter × 0.480" height
  • Regulatory compliance: ROHS3 Compliant

The RLB9012-821KL maintains identical electrical specifications and physical dimensions, ensuring direct compatibility in circuit applications where the 6000-821K-RC was originally specified.

Parameter Comparison

Parameter 6000-821K-RC RLB9012-821KL Match Status
Manufacturer Bourns Inc. Bourns Inc. Identical
Inductance 820 µH 820 µH Identical
Inductance Tolerance ±10% ±10% Identical
Current Rating (Amps) 560 mA 560 mA Identical
DC Resistance (Max) 1.8Ohm 1.8Ohm Identical
Core Material Ferrite Ferrite Identical
Shielding Unshielded Unshielded Identical
Q @ Frequency 20 @ 796kHz 20 @ 796kHz Identical
Frequency - Self Resonant 1.5MHz 1.5MHz Identical
Mounting Type Through Hole Through Hole Identical
Package / Case Radial, Vertical Cylinder Radial, Vertical Cylinder Identical
Size / Dimension 0.354" Dia (9.00mm) 0.354" Dia (9.00mm) Identical
Height - Seated (Max) 0.480" (12.20mm) 0.480" (12.20mm) Identical
Operating Temperature Range -55°C to 105°C -55°C to 125°C RLB9012-821KL exceeds range
RoHS Status ROHS3 Compliant ROHS3 Compliant Identical
Product Status Not For New Designs Active Substitute is active

Engineering Selection Recommendations

The RLB9012-821KL is the recommended substitute for the 6000-821K-RC. Selection rationale is based on the following factors:

Product Status: The 6000-821K-RC carries a "Not For New Designs" designation, indicating end-of-life status. The RLB9012-821KL maintains active product status, ensuring long-term availability and manufacturing support.

Electrical Equivalence: All critical electrical parameters—inductance, current rating, DC resistance, and frequency characteristics—are identical between the two parts. This ensures functional interchangeability in existing circuit designs.

Regulatory Compliance: Both parts maintain ROHS3 compliance and REACH unaffected status, satisfying environmental and regulatory requirements.

Temperature Performance: The RLB9012-821KL extends the operating temperature range to 125°C, providing enhanced thermal margin compared to the original 105°C maximum.

Packaging: Identical physical dimensions and through-hole radial configuration ensure direct PCB compatibility without layout modifications.

Frequently Asked Questions (FAQ)

Q: Can the RLB9012-821KL be used as a direct replacement for the 6000-821K-RC without circuit modifications?

A: Yes. The RLB9012-821KL matches all critical electrical specifications and physical dimensions. No circuit modifications are required for direct substitution.

Q: What is the difference in packaging between these two parts?

A: The 6000-821K-RC is supplied in bulk packaging, while the RLB9012-821KL is supplied in tray packaging. Both parts are identical in component form and footprint. Packaging differences affect only handling and storage logistics.

Q: Does the extended temperature range of the RLB9012-821KL affect compatibility?

A: No. The extended range (-55°C to 125°C versus -55°C to 105°C) represents an enhancement that maintains full backward compatibility. Applications operating within the original temperature range experience no adverse effects.

Q: Are there any compliance or certification differences between these parts?

A: Both parts are ROHS3 compliant and REACH unaffected. No compliance differences exist between the two components.

Q: Why is the 6000-821K-RC marked "Not For New Designs"?

A: This designation indicates the part has reached end-of-life status. The RLB9012-821KL represents the active equivalent for new design initiatives and ongoing production requirements.

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