CWL0306-22N-JNH Equivalent & Substitute Parts

Part Overview

The CWL0306-22N-JNH is a 22 nH shielded thin film inductor manufactured by Delta Electronics/Cyntec, rated for 250 mA with a maximum DC resistance of 980 mOhm. This component is designed for surface mount applications in the 0201 (0603 Metric) package format. The part is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing design requirements and production continuity.

Substiute Parts

CWL0306-22N-JNH

Delta Electronics/CyntecIn Stock: 965CWL0306-22N-JNH Datasheet

Current PartRFQ

LQP03HQ22NH02D

Murata ElectronicsIn Stock: 197296LQP03HQ22NH02D Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the CWL0306-22N-JNH is determined by the following critical parameters:

Mandatory Matching Parameters:

• Inductance value: 22 nH
• Current rating: 250 mA minimum
• Package format: 0201 (0603 Metric)
• Mounting type: Surface Mount
• Self resonant frequency: 3 GHz

Allowable Variations:

• DC resistance (DCR): Substitute parts may have lower DCR values (improved performance)
• Inductance tolerance: Tighter tolerances are acceptable
• Shielding: Unshielded variants are functionally compatible in applications where EMI isolation is not critical
• Operating temperature range: Extended ranges are acceptable
• Product status: Active parts are preferred over obsolete classifications

The LQP03HQ22NH02D from Murata Electronics meets all mandatory parameters while offering improved DC resistance characteristics and active product status.

Parameter Comparison

Engineering Selection Recommendations

The LQP03HQ22NH02D is a direct functional substitute for the CWL0306-22N-JNH based on the following criteria:

Product Status: The substitute part maintains active manufacturing status, ensuring long-term availability and supply chain continuity compared to the obsolete main part.

Electrical Compatibility: Both parts share identical inductance values (22 nH), current ratings (250 mA), and self-resonant frequencies (3 GHz). The substitute offers improved DC resistance (820 mOhm vs. 980 mOhm) and tighter inductance tolerance (±3% vs. ±5%).

Compliance: Both parts are RoHS compliant with unlimited moisture sensitivity levels (MSL 1), meeting environmental and reliability standards. The substitute carries ROHS3 compliance and REACH unaffected status.

Temperature Range: The substitute provides an extended lower operating temperature limit (-55°C vs. -40°C), offering broader thermal performance.

Package Compatibility: Identical 0201 (0603 Metric) surface mount package ensures direct PCB layout compatibility without redesign.

Shielding Consideration: The main part is shielded while the substitute is unshielded. In applications requiring EMI isolation, shielding characteristics must be evaluated against circuit requirements.

Frequently Asked Questions (FAQ)

Q: Can the LQP03HQ22NH02D directly replace the CWL0306-22N-JNH without PCB modifications?

A: Yes. Both parts use identical 0201 (0603 Metric) surface mount packages with matching footprints and pinouts. No PCB layout changes are required.

Q: What is the impact of the shielding difference between the main part and substitute?

A: The main part is shielded while the substitute is unshielded. Shielding reduces electromagnetic interference coupling. In applications where EMI isolation is critical, the unshielded substitute may require additional circuit-level filtering or layout considerations. In general RF and high-frequency applications, shielding performance should be verified against design specifications.

Q: Does the lower DC resistance of the substitute part affect circuit performance?

A: The substitute's lower DC resistance (820 mOhm vs. 980 mOhm) represents improved performance characteristics. This reduces resistive losses and heat generation, which is beneficial in most applications. No negative effects are introduced by this improvement.

Q: Are there inventory or lead time advantages to using the substitute?

A: Yes. The LQP03HQ22NH02D is an active product with significantly higher inventory availability (197,250 pcs vs. 866 pcs), providing better supply chain security and shorter lead times.

Q: What is the difference between thin film and thick film inductor construction?

A: The main part uses thin film construction while the substitute uses thick film construction. Both achieve the same electrical specifications for this 22 nH application. Thick film inductors typically offer cost advantages and higher volume availability.

Q: Is the tighter inductance tolerance of the substitute part beneficial?

A: Yes. The substitute's ±3% tolerance is tighter than the main part's ±5% tolerance, providing better inductance value consistency and potentially improved circuit performance in precision applications.