Bourns 6701 Equivalent & Substitute Parts

Part Overview

The Bourns 6701 is a 10 µH shielded toroidal inductor rated for 11 A continuous current with 8mOhm maximum DC resistance. This through-hole component is designed for applications requiring compact, shielded inductive filtering in power supply and signal conditioning circuits. The part is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing design support and procurement planning.

Key Parameters

Parameter	Value
Inductance	10 µH
Inductance Tolerance	±15%
Current Rating	11 A
DC Resistance (Max)	8 mOhm
Core Material	Iron Powder
Shielding	Shielded
Mounting Type	Through Hole
Package Type	Radial, Vertical, 4 Leads (Open)
Operating Temperature Range	-55°C to 105°C
Inductance Test Frequency	1 kHz

Substitute Part Grouping Explanation

Substitution eligibility for the Bourns 6701 is determined by the following critical parameters:

Inductance Value: Must be 10 µH with ±15% tolerance
Core Type: Iron powder construction required for electromagnetic performance matching
Shielding: Shielded configuration mandatory for EMI containment
Mounting Configuration: Through-hole radial/vertical orientation required for PCB compatibility
DC Resistance: Maximum 8 mOhm to maintain thermal and efficiency characteristics
Current Rating: Minimum 11 A to support specified load conditions

The API Delevan PT10-990 meets all substitution criteria. It maintains identical inductance, tolerance, core material, shielding, and DC resistance specifications. The PT10-990 provides a higher current rating (13.2 A), which is acceptable for applications designed around the 11 A specification.

Parameter Comparison

Parameter	Bourns 6701	API Delevan PT10-990	Match Status
Inductance	10 µH	10 µH	Identical
Inductance Tolerance	±15%	±15%	Identical
Current Rating (Amps)	11 A	13.2 A	Substitute Exceeds
DC Resistance (Max)	8 mOhm	8 mOhm	Identical
Core Material	Iron Powder	Iron Powder	Identical
Shielding	Shielded	Shielded	Identical
Mounting Type	Through Hole	Through Hole	Identical
Package Configuration	Radial, Vertical, 4 Leads (Open)	Radial, Vertical (Open)	Compatible
Inductance Test Frequency	1 kHz	1 kHz	Identical
RoHS Status	Non-compliant	Non-compliant	Identical
REACH Status	Unaffected	Unaffected	Identical
ECCN Classification	EAR99	EAR99	Identical
HTSUS Code	8504.50.4000	8504.50.4000	Identical

Engineering Selection Recommendations

The API Delevan PT10-990 is the qualified substitute for the obsolete Bourns 6701. Selection is based on the following factors:

Product Status: The Bourns 6701 is obsolete. The PT10-990 is active and currently in production, ensuring long-term availability and supply chain continuity.

Electrical Equivalence: Both components share identical inductance (10 µH), tolerance (±15%), DC resistance (8 mOhm maximum), and core material (iron powder). The PT10-990's higher current rating (13.2 A versus 11 A) provides additional design margin without compromising performance in applications specified for 11 A operation.

Regulatory Compliance: Both parts carry identical RoHS non-compliant, REACH unaffected, EAR99, and HTSUS classifications, ensuring no change in regulatory documentation or export control requirements.

Physical Compatibility: Both components use through-hole radial/vertical mounting with open lead configurations, supporting direct PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can the PT10-990 be used as a direct replacement for the 6701 in existing designs?

A: Yes. The PT10-990 meets all electrical and mechanical specifications required by the 6701. Identical inductance, tolerance, DC resistance, and core material ensure functional equivalence. The higher current rating provides additional operational margin.

Q: What is the significance of the current rating difference (11 A vs. 13.2 A)?

A: The PT10-990's 13.2 A rating exceeds the 6701's 11 A specification. In applications designed for 11 A operation, the substitute component will operate at lower thermal stress, extending component life and improving reliability margins.

Q: Are there physical dimension differences between these components?

A: Yes. The Bourns 6701 measures 0.875" L × 0.425" W with 1.000" seated height. The API Delevan PT10-990 measures 0.990" diameter × 0.400" width. PCB layout verification is required to confirm fit within existing footprints, though both use identical through-hole radial/vertical mounting.

Q: Do regulatory and compliance classifications remain unchanged?

A: Yes. Both components share identical RoHS non-compliant status, REACH unaffected classification, EAR99 export control designation, and HTSUS code 8504.50.4000. No changes to regulatory documentation are required.

Q: What is the inductance test frequency for both components?

A: Both the Bourns 6701 and API Delevan PT10-990 are tested at 1 kHz, ensuring measurement consistency and direct comparison validity.

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