Bourns 6000-330K-RC Equivalent & Substitute Parts

Part Overview

The Bourns 6000-330K-RC is a 33 µH unshielded drum core wirewound inductor rated for 2.05 A with a maximum DC resistance of 90 mOhm. This through-hole component features a radial, vertical cylinder package and operates across a temperature range of -55°C to 105°C. The part is classified as "Not For New Designs," indicating it has been superseded in Bourns' product portfolio. Finding equivalent alternatives is necessary for ongoing production support, maintenance applications, and designs requiring compatible electrical and mechanical specifications.

Key Parameters

Parameter	Value
Inductance	33 µH
Tolerance	±10%
Current Rating	2.05 A
DC Resistance (Max)	90 mOhm
Core Type	Ferrite, Unshielded Drum Core
Mounting Type	Through Hole
Package	Radial, Vertical Cylinder
Physical Dimensions	0.354" Dia (9.00mm), Height 0.480" (12.20mm)
Q @ Frequency	30 @ 2.52 MHz
Self Resonant Frequency	7.8 MHz
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the 6000-330K-RC is determined by strict equivalence across the following critical parameters:

Inductance value: 33 µH with ±10% tolerance
Current rating: minimum 2.05 A
DC resistance: maximum 90 mOhm
Core material and shielding: Ferrite, unshielded drum core
Mounting configuration: Through hole, radial vertical cylinder
Physical footprint: 0.354" diameter, 0.480" maximum seated height
Frequency characteristics: Q factor and self-resonant frequency within specified ranges
Regulatory compliance: ROHS3 compliant

The RLB9012-330KL meets all substitution criteria, offering identical electrical performance and mechanical compatibility while providing active product status and extended temperature range support.

Parameter Comparison

Parameter	6000-330K-RC	RLB9012-330KL	Match Status
Inductance	33 µH	33 µH	Equivalent
Tolerance	±10%	±10%	Equivalent
Current Rating (Amps)	2.05 A	2.05 A	Equivalent
DC Resistance (Max)	90 mOhm	90 mOhm	Equivalent
Core Type	Ferrite, Unshielded Drum Core	Ferrite, Unshielded Drum Core	Equivalent
Q @ Frequency	30 @ 2.52 MHz	30 @ 2.52 MHz	Equivalent
Self Resonant Frequency	7.8 MHz	7.8 MHz	Equivalent
Mounting Type	Through Hole	Through Hole	Equivalent
Package / Case	Radial, Vertical Cylinder	Radial, Vertical Cylinder	Equivalent
Size / Dimension	0.354" Dia (9.00mm)	0.354" Dia (9.00mm)	Equivalent
Height - Seated (Max)	0.480" (12.20mm)	0.480" (12.20mm)	Equivalent
Operating Temperature	-55°C ~ 105°C	-55°C ~ 125°C	Compatible (Extended Range)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	Equivalent
Product Status	Not For New Designs	Active	Upgrade Available

Engineering Selection Recommendations

The RLB9012-330KL is the direct equivalent substitute for the 6000-330K-RC. Both components are manufactured by Bourns Inc. and maintain identical electrical specifications and mechanical dimensions. The RLB9012-330KL offers the advantage of active product status, ensuring long-term availability and supply chain continuity. The extended operating temperature range (-55°C to 125°C versus -55°C to 105°C) provides additional thermal margin for demanding applications. Both parts maintain ROHS3 compliance and equivalent regulatory certifications. Selection between these parts should be based on application lifecycle requirements and supply availability.

Frequently Asked Questions (FAQ)

Q: Can the RLB9012-330KL be used as a direct replacement for the 6000-330K-RC in existing designs?

A: Yes. The RLB9012-330KL provides identical inductance, current rating, DC resistance, core material, shielding configuration, and physical dimensions. Through-hole mounting compatibility and package footprint are equivalent, enabling direct PCB substitution without layout modifications.

Q: What is the significance of the "Not For New Designs" status on the 6000-330K-RC?

A: This designation indicates the part has been superseded in Bourns' active product line. The RLB9012-330KL represents the current equivalent offering. For new designs, the RLB9012-330KL is the recommended selection to ensure long-term component availability and manufacturing support.

Q: Are there differences in packaging between these parts?

A: Yes. The 6000-330K-RC is supplied in bulk packaging, while the RLB9012-330KL is supplied in tray packaging. Both maintain identical component specifications and through-hole radial vertical cylinder configuration. Packaging differences do not affect electrical or mechanical performance.

Q: Does the extended temperature range of the RLB9012-330KL affect compatibility?

A: No. The RLB9012-330KL's extended operating range (-55°C to 125°C) is a superset of the 6000-330K-RC specification (-55°C to 105°C). This provides enhanced thermal margin and does not introduce compatibility issues in applications operating within the original temperature specification.

Q: What parameters must remain constant for substitution eligibility?

A: Inductance value (33 µH), tolerance (±10%), current rating (2.05 A), DC resistance (90 mOhm maximum), core type (ferrite unshielded drum core), mounting type (through hole), package configuration (radial vertical cylinder), and physical dimensions (0.354" diameter, 0.480" height) must all match exactly for direct substitution.

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