S1008-223K Equivalent & Substitute Parts

Part Overview

The S1008-223K is a fixed surface mount inductor manufactured by API Delevan Inc., rated at 22 µH inductance with a maximum current rating of 170 mA and 6 Ohm maximum DC resistance. This shielded ferrite core inductor operates across the temperature range of -55°C to 125°C and is housed in a 1008 (2520 Metric) package format. The component is currently in active production status. Substitute parts are identified when equivalent electrical and mechanical specifications are maintained across the same package class, allowing for direct replacement in circuit applications where component availability or compliance requirements necessitate alternative sourcing.

Key Parameters

Parameter	Value
Inductance	22 µH
Tolerance	±10%
Current Rating	170 mA
DC Resistance (Max)	6 Ohm
Core Material	Ferrite
Shielding	Shielded
Q Factor @ 2.5 MHz	30
Self Resonant Frequency	18 MHz
Operating Temperature Range	-55°C to 125°C
Package / Case	1008 (2520 Metric)
Mounting Type	Surface Mount
Physical Dimensions	0.115" L x 0.105" W (2.92mm x 2.66mm)
Height (Seated Max)	0.095" (2.41mm)
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the S1008-223K are identified based on strict equivalence of electrical and mechanical parameters. The substitution criteria are:

Electrical Parameters (Must Match):

Inductance value: 22 µH
Inductance tolerance: ±10%
Current rating: 170 mA minimum
DC resistance: 6 Ohm maximum
Core material: Ferrite
Shielding type: Shielded
Q factor @ 2.5 MHz: 30
Self resonant frequency: 18 MHz
Operating temperature range: -55°C to 125°C

Mechanical Parameters (Must Match):

Package classification: 1008 (2520 Metric)
Mounting type: Surface Mount
Physical dimensions: 0.115" L x 0.105" W (2.92mm x 2.66mm)
Maximum seated height: 0.095" (2.41mm)

Environmental Parameters:

Moisture sensitivity level: 1 (Unlimited)

Parts meeting all these criteria are classified as direct substitutes and may be used interchangeably in circuit designs.

Parameter Comparison

Parameter	S1008-223K	S1008R-223K	Match Status
Manufacturer	API Delevan Inc.	API Delevan Inc.	Match
Inductance	22 µH	22 µH	Match
Tolerance	±10%	±10%	Match
Current Rating (Amps)	170 mA	170 mA	Match
DC Resistance (Max)	6 Ohm	6 Ohm	Match
Core Material	Ferrite	Ferrite	Match
Shielding	Shielded	Shielded	Match
Q @ 2.5 MHz	30	30	Match
Self Resonant Frequency	18 MHz	18 MHz	Match
Operating Temperature	-55°C to 125°C	-55°C to 125°C	Match
Package / Case	1008 (2520 Metric)	1008 (2520 Metric)	Match
Mounting Type	Surface Mount	Surface Mount	Match
Physical Dimensions	0.115" L x 0.105" W (2.92mm x 2.66mm)	0.115" L x 0.105" W (2.92mm x 2.66mm)	Match
Height (Seated Max)	0.095" (2.41mm)	0.095" (2.41mm)	Match
Moisture Sensitivity Level	1 (Unlimited)	1 (Unlimited)	Match
Product Status	Active	Active	Match
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Difference

Engineering Selection Recommendations

The S1008R-223K is a direct electrical and mechanical equivalent to the S1008-223K. Both components are manufactured by API Delevan Inc. and maintain identical specifications across all critical electrical parameters, including inductance, current rating, DC resistance, frequency characteristics, and operating temperature range. Both components are housed in the 1008 (2520 Metric) surface mount package with identical physical dimensions and mounting characteristics.

The primary distinction between these parts is regulatory compliance status. The S1008-223K is RoHS non-compliant, while the S1008R-223K is ROHS3 compliant. Both components are REACH unaffected and classified under ECCN EAR99. Selection between these parts should be based on the specific regulatory requirements of the end application and target market. Applications requiring RoHS3 compliance must use the S1008R-223K variant. Applications without RoHS compliance requirements may use either part based on availability and supply chain considerations.

Frequently Asked Questions (FAQ)

Q: Can the S1008R-223K be used as a direct replacement for the S1008-223K in existing circuit designs?

A: Yes. The S1008R-223K is electrically and mechanically equivalent to the S1008-223K. All electrical parameters, including inductance value, current rating, DC resistance, frequency characteristics, and temperature operating range are identical. Physical dimensions and package format are also identical, allowing for direct PCB footprint compatibility and circuit performance equivalence.

Q: What is the difference between the S1008-223K and S1008R-223K?

A: The primary difference is RoHS compliance status. The S1008-223K is RoHS non-compliant, while the S1008R-223K is ROHS3 compliant. All other electrical, mechanical, and environmental specifications are identical between the two parts.

Q: Which part should be selected for new designs?

A: Selection depends on regulatory requirements. For applications requiring RoHS3 compliance, the S1008R-223K must be used. For applications without RoHS compliance mandates, either part may be selected based on availability and supply chain factors.

Q: Are there any performance differences between these inductors?

A: No. Both parts maintain identical electrical performance characteristics, including the 22 µH inductance value, 170 mA current rating, 6 Ohm maximum DC resistance, 30 Q factor at 2.5 MHz, and 18 MHz self resonant frequency.

Q: Can these parts be used interchangeably in production?

A: Yes, provided that the end application and target market do not impose conflicting regulatory requirements. If RoHS3 compliance is required, only the S1008R-223K may be used. If RoHS compliance is not required, both parts are interchangeable from an electrical and mechanical standpoint.

Q: What is the package format for these inductors?

A: Both the S1008-223K and S1008R-223K use the 1008 (2520 Metric) surface mount package format with physical dimensions of 0.115" L x 0.105" W (2.92mm x 2.66mm) and a maximum seated height of 0.095" (2.41mm).

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