Bourns 6000-100K Equivalent & Substitute Parts

Part Overview

The Bourns 6000-100K is a 10 µH unshielded drum core wirewound inductor rated for 3.4 A with a maximum DC resistance of 45 mOhm. This through-hole radial component operates across -55°C to 105°C and features a ferrite core with ±10% inductance tolerance. The part is classified as obsolete, making identification of suitable alternatives essential for ongoing production and design continuity.

Key Parameters

Parameter	Value
Inductance	10 µH
Current Rating	3.4 A
DC Resistance (Max)	45 mOhm
Tolerance	±10%
Core Material	Ferrite
Shielding	Unshielded
Mounting Type	Through Hole
Package	Radial, Vertical Cylinder
Operating Temperature	-55°C to 105°C
Test Frequency	2.52 MHz

Substitute Part Grouping Explanation

Substitute relationships for the 6000-100K are determined by the following critical parameters: inductance value, current rating, DC resistance specification, core material, shielding configuration, and mounting type. Only components matching these core electrical and mechanical characteristics within the specified tolerances qualify as direct substitutes.

The 6000-100K-RC maintains identical electrical specifications (10 µH, 3.4 A, 45 mOhm max) and physical form factor, differing only in packaging format and product status designation. This part represents a direct functional equivalent with improved compliance status.

The CW160808-12NJ listed in the substitute field operates at a fundamentally different specification level (12 nH inductance, 700 mA current rating, surface mount configuration) and does not meet the electrical or mechanical requirements of the 6000-100K. This part is not a functional substitute.

Parameter Comparison

Parameter	6000-100K	6000-100K-RC	CW160808-12NJ
Inductance	10 µH	10 µH	12 nH
Current Rating (Amps)	3.4 A	3.4 A	700 mA
DC Resistance (Max)	45 mOhm	45 mOhm	130 mOhm
Tolerance	±10%	±10%	±5%
Core Material	Ferrite	Ferrite	Alumina
Shielding	Unshielded	Unshielded	Unshielded
Mounting Type	Through Hole	Through Hole	Surface Mount
Package / Case	Radial, Vertical Cylinder	Radial, Vertical Cylinder	0603 (1608 Metric)
Operating Temperature	-55°C to 105°C	-55°C to 105°C	-40°C to 125°C
RoHS Status	Non-compliant	ROHS3 Compliant	ROHS3 Compliant
Product Status	Obsolete	Not For New Designs	Active

Engineering Selection Recommendations

For direct replacement of the 6000-100K in existing designs, the 6000-100K-RC is the only viable equivalent. Both parts share identical electrical specifications and physical form factors. The 6000-100K-RC offers improved RoHS3 compliance status, making it suitable for applications with regulatory requirements.

The CW160808-12NJ does not qualify as a substitute due to fundamental differences in inductance value (12 nH versus 10 µH), current rating (700 mA versus 3.4 A), and mounting technology (surface mount versus through-hole). Selecting this part would require complete circuit redesign and is not recommended for direct replacement scenarios.

For new designs, the 6000-100K-RC is preferred due to its active availability and compliance certifications, despite its "Not For New Designs" designation. The original 6000-100K should not be selected for new applications given its obsolete status.

Frequently Asked Questions (FAQ)

Q: Can the CW160808-12NJ replace the 6000-100K?

A: No. The CW160808-12NJ operates at 12 nH inductance with a 700 mA current rating and surface mount configuration. The 6000-100K requires 10 µH inductance with 3.4 A current capacity in through-hole format. These parts are incompatible and serve different circuit applications.

Q: What is the difference between 6000-100K and 6000-100K-RC?

A: Both parts are electrically and mechanically identical, featuring 10 µH inductance, 3.4 A current rating, and 45 mOhm maximum DC resistance. The primary differences are packaging format (bulk versus tape & reel) and compliance status (RoHS non-compliant versus ROHS3 compliant).

Q: Is the 6000-100K-RC suitable for new designs?

A: The 6000-100K-RC carries a "Not For New Designs" designation but remains the only functional equivalent to the obsolete 6000-100K. For new applications requiring 10 µH inductance at 3.4 A in through-hole radial configuration, alternative inductor families from Bourns or other manufacturers should be evaluated.

Q: What are the critical parameters for substitution?

A: Inductance value, current rating, DC resistance, core material, shielding type, and mounting configuration must match exactly. Tolerance, operating temperature range, and compliance certifications are secondary considerations that may vary between equivalent parts.

Q: Can I use the 6000-100K-RC in place of the 6000-100K without circuit modifications?

A: Yes. The 6000-100K-RC is a direct functional equivalent with identical electrical and mechanical specifications. No circuit modifications are required for substitution.

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