IRF36ER330K Equivalent & Substitute Parts

Part Overview

The IRF36ER330K is a 33 µH unshielded inductor manufactured by Vishay Dale, rated for 370 mA with a maximum DC resistance of 1.03 Ohm. This through-hole axial component is designed for general-purpose filtering and energy storage applications in electronic circuits. The part is currently in stock with 708 pieces available as new original inventory. Substitute parts are necessary to address supply chain continuity, alternative packaging preferences, or specific application requirements while maintaining equivalent electrical performance.

Substiute Parts

IRF36ER330K

Vishay DaleIn Stock: 794IRF36ER330K Datasheet

Current PartRFQ

77F330J-TR-RC

Bourns Inc.In Stock: 535377F330J-TR-RC Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The 77F330J-TR-RC from Bourns Inc. qualifies as a direct substitute for the IRF36ER330K based on the following critical parameters:

• Inductance Value: Both parts are rated at 33 µH, meeting the primary functional requirement
• Current Rating: Both support 370 mA operation, ensuring equivalent current handling capability
• DC Resistance: The 77F330J-TR-RC has a maximum DCR of 1.1 Ohm, which is within acceptable tolerance for this inductor category and represents a negligible difference of 0.07 Ohm from the original specification
• Shielding Configuration: Both are unshielded inductors, maintaining identical electromagnetic characteristics
• Mounting and Package: Both use through-hole axial mounting, ensuring mechanical and electrical compatibility in existing PCB designs
• Operating Temperature Range: The 77F330J-TR-RC operates from -55°C to 105°C, covering standard industrial and commercial temperature requirements

Parameter Comparison

Engineering Selection Recommendations

The 77F330J-TR-RC is electrically and mechanically compatible with the IRF36ER330K for direct substitution in applications requiring a 33 µH, 370 mA through-hole axial inductor. The substitute part carries ROHS3 compliance certification and is classified as Active product status, ensuring long-term availability and regulatory alignment. The marginal increase in DC resistance (0.07 Ohm) is within acceptable engineering tolerance for general-purpose inductor applications and does not compromise circuit performance. Selection between these parts should be based on supply availability, packaging format preference (Cut Tape for the Bourns part), and inventory requirements.

Frequently Asked Questions (FAQ)

Q: Can the 77F330J-TR-RC replace the IRF36ER330K in my circuit?

A: Yes. Both inductors share identical inductance (33 µH), current rating (370 mA), shielding configuration (unshielded), and through-hole axial package. The DC resistance difference of 0.07 Ohm is negligible for standard filtering and energy storage applications.

Q: What is the significance of the 0.07 Ohm difference in DC resistance?

A: The IRF36ER330K has a maximum DCR of 1.03 Ohm, while the 77F330J-TR-RC is rated at 1.1 Ohm maximum. This 6.8% variance is within normal manufacturing tolerance for wirewound inductors and does not affect functional compatibility in typical circuit designs.

Q: Are there packaging differences between these parts?

A: The 77F330J-TR-RC is supplied in Cut Tape (CT) packaging, while the IRF36ER330K packaging format is not specified in available data. Both parts use identical through-hole axial mounting, ensuring PCB compatibility regardless of packaging format.

Q: Does the Bourns part meet regulatory requirements?

A: The 77F330J-TR-RC is ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards for electronic components in most markets.

Q: What is the operating temperature range for substitution?

A: The 77F330J-TR-RC operates from -55°C to 105°C. If your application requires operation outside this range, verify the IRF36ER330K specifications with the manufacturer.