Bourns 5609-RC Equivalent & Substitute Parts

Part Overview

The Bourns 5609-RC is a 2.5 mH unshielded drum core wirewound inductor rated for 850 mA with a maximum DC resistance of 2.04 Ohm. This through-hole component features a radial, vertical cylinder package and operates across the temperature range of -55°C to 105°C. The part is classified as obsolete, making identification of suitable substitutes essential for ongoing design support and production continuity.

Substiute Parts

5609-RC
Bourns Inc.In Stock: 9845609-RC Datasheet
5609-RC
Current Part
1539M09
Hammond ManufacturingIn Stock: 11571539M09 Datasheet
1539M09
Direct

Key Parameters

Parameter Value
Inductance 2.5 mH
Inductance Tolerance ±10%
Current Rating 850 mA
DC Resistance (Max) 2.04 Ohm
Core Type Ferrite Drum Core
Shielding Unshielded
Mounting Type Through Hole
Package / Case Radial, Vertical Cylinder
Physical Diameter 0.830" (21.08 mm)
Physical Height (Max) 0.910" (23.11 mm)
Inductance Test Frequency 1 kHz
Operating Temperature Range -55°C to 105°C
RoHS Status ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution of the Bourns 5609-RC is determined by strict equivalence across the following critical parameters:

  • Inductance value: 2.5 mH
  • Inductance tolerance: ±10%
  • Current rating: 850 mA minimum
  • DC resistance: 2.04 Ohm maximum
  • Core material: Ferrite
  • Shielding configuration: Unshielded
  • Mounting type: Through Hole
  • Package form factor: Radial, Vertical Cylinder
  • Physical dimensions: 0.830" diameter and 0.910" maximum height
  • Test frequency: 1 kHz

The Hammond Manufacturing 1539M09 meets all specified electrical and mechanical parameters, establishing it as a direct functional equivalent.

Parameter Comparison

Parameter Bourns 5609-RC Hammond 1539M09
Manufacturer Bourns Inc. Hammond Manufacturing
Inductance 2.5 mH 2.5 mH
Inductance Tolerance ±10% ±10%
Current Rating 850 mA 850 mA
DC Resistance (Max) 2.04 Ohm 2.04 Ohm
Core Type Ferrite Drum Core Ferrite Drum Core
Shielding Unshielded Unshielded
Mounting Type Through Hole Through Hole
Package / Case Radial, Vertical Cylinder Radial, Vertical Cylinder
Physical Diameter 0.830" (21.08 mm) 0.830" (21.08 mm)
Physical Height (Max) 0.910" (23.11 mm) 0.910" (23.11 mm)
Inductance Test Frequency 1 kHz 1 kHz
RoHS Status ROHS3 Compliant ROHS3 Compliant
Product Status Obsolete Active

Engineering Selection Recommendations

The Hammond Manufacturing 1539M09 is the qualified substitute for the Bourns 5609-RC. Both components are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. The Hammond part maintains active product status, ensuring ongoing availability and supply chain continuity. All electrical specifications, mechanical dimensions, and thermal operating ranges are identical between the two components. The Hammond 1539M09 is suitable for direct replacement in applications currently using the Bourns 5609-RC.

Frequently Asked Questions (FAQ)

Q: Can the Hammond 1539M09 be used as a direct replacement for the Bourns 5609-RC?

A: Yes. Both components share identical inductance (2.5 mH), current rating (850 mA), DC resistance (2.04 Ohm max), core material (ferrite), shielding configuration (unshielded), mounting type (through hole), and physical dimensions (0.830" diameter, 0.910" height max). Electrical and mechanical compatibility is complete.

Q: Are there any differences in operating temperature range between these parts?

A: The Bourns 5609-RC specifies an operating temperature range of -55°C to 105°C. The Hammond 1539M09 does not specify an operating temperature range in the provided data. Verify Hammond's complete technical documentation for temperature specifications if operation at temperature extremes is required.

Q: What is the significance of the product status difference?

A: The Bourns 5609-RC is classified as obsolete, indicating discontinued production and limited availability. The Hammond 1539M09 maintains active product status, ensuring reliable supply and ongoing manufacturer support. This makes the Hammond part the preferred choice for new designs and production continuity.

Q: Are both parts RoHS compliant?

A: Yes. Both the Bourns 5609-RC and Hammond 1539M09 are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory standards.

Q: Do these inductors require any special handling or installation considerations?

A: Both components are through-hole mounted with identical radial, vertical cylinder package geometry. Standard PCB assembly processes apply. No special handling beyond standard component storage practices is required.

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