Equivalent & Substitute Parts for Bourns 9130-76

Part Overview

The Bourns 9130-76 is a 220 µH unshielded drum core wirewound inductor rated for 52 mA with a maximum DC resistance of 21 Ohm, designed for through-hole axial mounting. This component is classified as obsolete, making equivalent substitutes necessary for ongoing production and maintenance applications. The part operates across a temperature range of -55°C to 105°C and is suitable for applications requiring fixed inductance in the 220 µH range with moderate current handling.

Key Parameters

Parameter	Value
Inductance	220 µH
Tolerance	±10%
Current Rating	52 mA
DC Resistance (Max)	21 Ohm
Core Material	Ferrite
Shielding	Unshielded
Q @ Frequency	30 @ 790 kHz
Self Resonant Frequency	9 MHz
Operating Temperature	-55°C to 105°C
Mounting Type	Through Hole
Package	Axial
Size	0.095" Dia x 0.250" L (2.41 mm x 6.35 mm)

Substitute Part Grouping Explanation

Substitution for the Bourns 9130-76 is based on electrical and mechanical parameter equivalence. All substitute parts must match the following critical parameters:

Inductance value: 220 µH with ±10% tolerance
Current rating: 52 mA minimum
DC resistance: 21 Ohm maximum
Core material: Ferrite
Shielding configuration: Unshielded
Operating temperature range: -55°C to 105°C
Mounting type: Through hole axial
Physical dimensions: 0.095" Dia x 0.250" L (2.41 mm x 6.35 mm)
Q factor: 30 @ 790 kHz
Self resonant frequency: 9 MHz

The three API Delevan ER1025 series parts (ER1025-76KM, ER1025-76KP, ER1025-76KR) meet all electrical and mechanical specifications. The primary distinction among substitutes is product status and packaging configuration.

Parameter Comparison

Parameter	Bourns 9130-76	API Delevan ER1025-76KM	API Delevan ER1025-76KP	API Delevan ER1025-76KR
Inductance	220 µH	220 µH	220 µH	220 µH
Tolerance	±10%	±10%	±10%	±10%
Current Rating (Amps)	52 mA	52 mA	52 mA	52 mA
DC Resistance (Max)	21 Ohm	21 Ohm	21 Ohm	21 Ohm
Core Material	Ferrite	Ferrite	Ferrite	Ferrite
Shielding	Unshielded	Unshielded	Unshielded	Unshielded
Q @ Frequency	30 @ 790 kHz	30 @ 790 kHz	30 @ 790 kHz	30 @ 790 kHz
Self Resonant Frequency	9 MHz	9 MHz	9 MHz	9 MHz
Operating Temperature	-55°C to 105°C	-55°C to 105°C	-55°C to 105°C	-55°C to 105°C
Mounting Type	Through Hole	Through Hole	Through Hole	Through Hole
Package / Case	Axial	Axial	Axial	Axial
Size / Dimension	0.095" Dia x 0.250" L (2.41 mm x 6.35 mm)	0.095" Dia x 0.250" L (2.41 mm x 6.35 mm)	0.095" Dia x 0.250" L (2.41 mm x 6.35 mm)	0.095" Dia x 0.250" L (2.41 mm x 6.35 mm)
Product Status	Obsolete	Active	Active	Active
Packaging	-	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)
Series	9130	ER1025	ER1025	Military, MIL-PRF-39010/10, ER1025

Engineering Selection Recommendations

All three API Delevan ER1025 series inductors are direct electrical and mechanical equivalents to the obsolete Bourns 9130-76. Selection among the three substitutes should be based on product status and application requirements:

ER1025-76KM and ER1025-76KP are both active production parts supplied in Tape & Reel packaging, suitable for automated assembly processes. Both maintain identical electrical specifications and physical dimensions.

ER1025-76KR is qualified to MIL-PRF-39010/10 military specification and is also supplied in Tape & Reel packaging. This variant is appropriate for applications requiring military-grade component certification.

All three substitutes are RoHS non-compliant and REACH unaffected, matching the compliance profile of the original Bourns part. Component selection should prioritize active production status and availability requirements for your specific application.

Frequently Asked Questions (FAQ)

Q: Can the API Delevan ER1025 series parts directly replace the Bourns 9130-76 in existing designs?

A: Yes. The ER1025-76KM, ER1025-76KP, and ER1025-76KR are electrically and mechanically equivalent. All critical parameters including inductance, current rating, DC resistance, core material, operating temperature range, and physical dimensions are identical. Through-hole axial mounting is identical across all parts.

Q: What is the difference between ER1025-76KM, ER1025-76KP, and ER1025-76KR?

A: All three parts are electrically identical. ER1025-76KR includes military specification qualification (MIL-PRF-39010/10), making it suitable for defense and aerospace applications. ER1025-76KM and ER1025-76KP are standard commercial-grade active production parts. All are supplied in Tape & Reel packaging.

Q: Are there any compliance differences between the original Bourns part and the API Delevan substitutes?

A: No. All parts share identical RoHS and REACH compliance status. The Bourns 9130-76 is RoHS non-compliant and REACH unaffected, as are all three API Delevan substitutes.

Q: What is the advantage of selecting the military-qualified ER1025-76KR?

A: The ER1025-76KR meets MIL-PRF-39010/10 military specification requirements, providing additional qualification documentation and traceability for applications requiring military-grade components. Electrical performance is identical to the commercial variants.

Q: Are the physical dimensions identical across all parts?

A: Yes. All parts, including the original Bourns 9130-76 and all three API Delevan substitutes, share identical axial dimensions of 0.095" Dia x 0.250" L (2.41 mm x 6.35 mm), ensuring direct mechanical compatibility in through-hole applications.

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