Bourns 9210-84 Fixed Inductor: Equivalent & Substitute Parts

Part Overview

The Bourns 9210-84 is a 150 µH unshielded molded inductor rated for 114 mA with a maximum DC resistance of 6.05Ohm, designed for through-hole axial mounting. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing production and maintenance applications. Substitute parts must maintain electrical performance across the specified operating range while accommodating design constraints.

Substiute Parts

9210-84

Bourns Inc.In Stock: 9979210-84 Datasheet

Current PartRFQ

1537-84J

API Delevan Inc.In Stock: 9241537-84J Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the Bourns 9210-84 is determined by the following criteria:

• Inductance Value: Must be 150 µH with ±5% tolerance
• DC Resistance: Must not exceed 6.05Ohm maximum
• Current Rating: Must meet or exceed 114 mA minimum requirement
• Frequency Characteristics: Q factor of 65 @ 790kHz and self-resonant frequency of 8MHz
• Operating Temperature: Must support -55°C ~ 105°C range
• Mounting Configuration: Through-hole axial package with matching physical dimensions (0.156" Dia x 0.375" L)
• Shielding: Unshielded construction

The API Delevan 1537-84J meets all substitution criteria and is classified as an active product with improved current rating capability.

Parameter Comparison

Engineering Selection Recommendations

The API Delevan 1537-84J is the qualified substitute for the Bourns 9210-84. Selection is based on the following factors:

• Product Status: The 1537-84J is an active product with current manufacturing support, whereas the 9210-84 is obsolete and subject to supply discontinuation.
• Electrical Equivalence: All critical electrical parameters match the original specification, including inductance, DC resistance, Q factor, and frequency characteristics.
• Current Rating Advantage: The 1537-84J provides 130 mA current rating, exceeding the original 114 mA requirement, offering improved thermal margin in current-limited applications.
• Compliance Alignment: Both components share identical RoHS, REACH, and ECCN classifications, ensuring regulatory consistency in design transitions.
• Physical Compatibility: Identical axial package dimensions and through-hole mounting configuration enable direct board-level substitution without layout modification.

Frequently Asked Questions (FAQ)

Q: Can the API Delevan 1537-84J be used as a direct replacement for the Bourns 9210-84?

A: Yes. The 1537-84J meets all electrical and mechanical specifications of the 9210-84, including inductance value, DC resistance, frequency response, operating temperature range, and physical dimensions. Direct substitution is supported without circuit redesign.

Q: What is the significance of the higher current rating on the 1537-84J?

A: The 1537-84J is rated for 130 mA compared to the 9210-84's 114 mA. This provides additional thermal headroom and allows operation at higher current levels without saturation, though the original design current of 114 mA remains fully supported.

Q: Are there packaging differences between these components?

A: No. Both components use identical through-hole axial packaging with matching physical dimensions of 0.156" diameter by 0.375" length (3.96mm x 9.53mm). No PCB layout modifications are required.

Q: Do both components have the same compliance certifications?

A: Yes. Both the Bourns 9210-84 and API Delevan 1537-84J share identical RoHS non-compliance status, REACH unaffected classification, and EAR99 ECCN designation.

Q: Why is the Bourns 9210-84 classified as obsolete?

A: Obsolete status indicates the manufacturer has discontinued production and support. The API Delevan 1537-84J, classified as active, ensures continued availability and manufacturing support for new designs and production requirements.