API Delevan 4922-08L Equivalent & Substitute Parts

Part Overview

The API Delevan 4922-08L is a fixed unshielded drum core wirewound inductor rated at 3.9 µH with a maximum current rating of 3.07 A and DC resistance of 42 mOhm. This surface mount component operates across the temperature range of -55°C to 125°C and is designed for applications requiring stable inductance values in compact nonstandard packages.

The 4922-08L is classified as an active product with current inventory availability. Substitute parts may be required due to supply chain constraints, inventory depletion, or design revision requirements while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value	Unit
Inductance	3.9	µH
Inductance Tolerance	±15	%
Current Rating (Continuous)	3.07	A
Current - Saturation (Isat)	3.07	A
DC Resistance (DCR) Maximum	42	mOhm
Core Material	Ferrite	—
Shielding	Unshielded	—
Operating Temperature Range	-55 to 125	°C
Mounting Type	Surface Mount	—
Package Type	Nonstandard	—
Physical Dimensions (L × W)	0.505" × 0.240" (12.82mm × 6.09mm)	—
Height - Seated (Maximum)	0.230" (5.84mm)	—
Inductance Test Frequency	1	kHz
Moisture Sensitivity Level (MSL)	1 (Unlimited)	—

Substitute Part Grouping Explanation

Substitute parts for the 4922-08L are identified based on strict electrical and mechanical parameter matching. The following criteria determine substitution eligibility:

Electrical Parameters (Must Match):

Inductance value: 3.9 µH
Inductance tolerance: ±15%
Current rating: 3.07 A minimum
DC resistance: 42 mOhm maximum
Core material: Ferrite
Shielding configuration: Unshielded

Mechanical Parameters (Must Match):

Mounting type: Surface Mount
Package dimensions: 0.505" L × 0.240" W (12.82mm × 6.09mm)
Height seated maximum: 0.230" (5.84mm)
Package type: Nonstandard

Environmental Parameters (Must Match):

Operating temperature range: -55°C to 125°C
Moisture sensitivity level: 1 (Unlimited)

The 4922R-08L qualifies as a direct substitute based on complete alignment with all electrical, mechanical, and environmental parameters specified above.

Parameter Comparison

Parameter	4922-08L (Main Part)	4922R-08L (Substitute)	Match Status
Manufacturer	API Delevan Inc.	API Delevan Inc.	Identical
Series	4922	4922R	Related
Inductance	3.9 µH	3.9 µH	Identical
Inductance Tolerance	±15%	±15%	Identical
Current Rating	3.07 A	3.07 A	Identical
Current - Saturation (Isat)	3.07 A	3.07 A	Identical
DC Resistance (DCR) Maximum	42 mOhm	42 mOhm	Identical
Core Material	Ferrite	Ferrite	Identical
Shielding	Unshielded	Unshielded	Identical
Operating Temperature Range	-55°C to 125°C	-55°C to 125°C	Identical
Mounting Type	Surface Mount	Surface Mount	Identical
Package Type	Nonstandard	Nonstandard	Identical
Physical Dimensions (L × W)	0.505" × 0.240" (12.82mm × 6.09mm)	0.505" × 0.240" (12.82mm × 6.09mm)	Identical
Height - Seated (Maximum)	0.230" (5.84mm)	0.230" (5.84mm)	Identical
Inductance Test Frequency	1 kHz	1 kHz	Identical
Moisture Sensitivity Level (MSL)	1 (Unlimited)	1 (Unlimited)	Identical
Product Status	Active	Active	Identical
RoHS Status	RoHS non-compliant	ROHS3 Compliant	Different

Engineering Selection Recommendations

Both the 4922-08L and 4922R-08L are active products from API Delevan Inc. with identical electrical and mechanical specifications. The primary distinction between these parts is regulatory compliance status.

4922-08L Selection Criteria:

Applications where RoHS non-compliance is acceptable or required
Legacy designs with established component qualification
Current inventory availability: 707 pieces

4922R-08L Selection Criteria:

Applications requiring ROHS3 compliance
New designs subject to RoHS regulatory requirements
Higher inventory availability: 3,272 pieces
Identical electrical performance and mechanical fit

Both parts operate across -55°C to 125°C, feature ferrite drum core construction, and maintain 42 mOhm maximum DC resistance at 3.07 A continuous current rating. The 4922R-08L provides enhanced regulatory compliance while maintaining complete functional equivalence.

Frequently Asked Questions (FAQ)

Q: Can the 4922R-08L replace the 4922-08L in existing designs?

A: Yes. The 4922R-08L is electrically and mechanically identical to the 4922-08L. All electrical parameters (inductance, current rating, DC resistance) and physical dimensions match exactly. The primary difference is RoHS compliance status.

Q: What is the difference between the 4922 and 4922R series?

A: The 4922R series represents an updated product line with ROHS3 compliance. The electrical specifications and mechanical packaging remain identical to the 4922 series.

Q: Are the physical dimensions identical between these parts?

A: Yes. Both parts measure 0.505" L × 0.240" W (12.82mm × 6.09mm) with a maximum seated height of 0.230" (5.84mm). They are fully compatible for PCB footprint and assembly requirements.

Q: What is the DC resistance specification for these inductors?

A: Both parts specify a maximum DC resistance of 42 mOhm at the rated current of 3.07 A.

Q: Do these parts require special handling for moisture?

A: Both parts carry Moisture Sensitivity Level (MSL) 1, indicating unlimited shelf life without moisture control requirements.

Q: What is the operating temperature range?

A: Both the 4922-08L and 4922R-08L operate across -55°C to 125°C.

Q: Is the inductance value guaranteed across the operating temperature range?

A: The inductance specification is 3.9 µH with ±15% tolerance. The inductance is measured at 1 kHz test frequency.

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