Equivalent & Substitute Parts for Bourns 5628-RC

Part Overview

The Bourns 5628-RC is a 500 µH unshielded drum core wirewound inductor rated for 6.5 A with a maximum DC resistance of 85 mOhm. This through-hole component features a radial, vertical cylinder package and operates across a temperature range of -55°C to 105°C. The 5628-RC is classified as obsolete, making identification of equivalent substitute parts essential for ongoing design support and procurement continuity.

Key Parameters

Parameter	Value
Inductance	500 µH
Tolerance	±10%
Current Rating	6.5 A
DC Resistance (Max)	85 mOhm
Core Type	Ferrite, Unshielded
Mounting Type	Through Hole
Package Type	Radial, Vertical Cylinder
Inductance Test Frequency	1 kHz
Physical Diameter	1.500" (38.10 mm)

Substitute Part Grouping Explanation

Substitute parts for the 5628-RC are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Inductance value: 500 µH
Inductance tolerance: ±10%
Current rating: 6.5 A minimum
DC resistance: 85 mOhm maximum
Core material: Ferrite, unshielded
Mounting configuration: Through hole, radial vertical cylinder
Test frequency: 1 kHz
Physical diameter: 1.500" (38.10 mm)

The Hammond Manufacturing 1539M28 meets all core electrical specifications and mechanical form factor requirements, qualifying it as a direct substitute for the obsolete Bourns 5628-RC.

Parameter Comparison

Parameter	Bourns 5628-RC	Hammond 1539M28
Inductance	500 µH	500 µH
Tolerance	±10%	±10%
Current Rating (Amps)	6.5 A	6.5 A
DC Resistance (Max)	85 mOhm	85 mOhm
Core Type	Ferrite, Unshielded	Ferrite, Unshielded
Mounting Type	Through Hole	Through Hole
Package / Case	Radial, Vertical Cylinder	Radial, Vertical Cylinder
Physical Diameter	1.500" (38.10 mm)	1.500" (38.10 mm)
Inductance Test Frequency	1 kHz	1 kHz
RoHS Status	ROHS3 Compliant	ROHS3 Compliant
REACH Status	REACH Unaffected	REACH Unaffected
ECCN	EAR99	EAR99
HTSUS Code	8504.50.8000	8504.50.8000

Engineering Selection Recommendations

The Hammond Manufacturing 1539M28 is the qualified substitute for the obsolete Bourns 5628-RC. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The 1539M28 is classified as active product status, ensuring ongoing availability and supply chain continuity. All critical electrical parameters—inductance, current rating, and DC resistance—are identical. Physical dimensions and mounting configuration are equivalent, supporting direct board-level replacement without design modification.

Frequently Asked Questions (FAQ)

Q: Can the Hammond 1539M28 replace the Bourns 5628-RC in existing designs?

A: Yes. The 1539M28 matches all specified electrical parameters (500 µH inductance, 6.5 A current rating, 85 mOhm maximum DC resistance) and physical dimensions (1.500" diameter, radial vertical cylinder package). Direct substitution is supported without circuit redesign.

Q: What is the primary difference between these two inductors?

A: The Bourns 5628-RC is obsolete, while the Hammond 1539M28 maintains active product status. Both components share identical electrical specifications and mechanical form factors.

Q: Are there any compliance or certification differences?

A: No. Both parts are ROHS3 compliant, REACH unaffected, and classified under the same ECCN (EAR99) and HTSUS code (8504.50.8000).

Q: Does the height difference affect substitution?

A: The Bourns 5628-RC has a seated height of 1.110" (28.19 mm), while the Hammond 1539M28 has a seated height of 1.500" (38.10 mm). Physical clearance must be verified in the target application before implementation.

Q: What packaging options are available?

A: The Bourns 5628-RC is supplied in standard packaging. The Hammond 1539M28 is available in bulk packaging.

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