NLW2-50 Equivalent & Substitute Parts

Part Overview

The NLW2-50 is a 2 µF 50 V aluminum electrolytic capacitor in axial, can package manufactured by Cornell Dubilier Electronics (CDE). This component is classified as obsolete, requiring identification of functional equivalent and substitute parts for continued circuit implementation. Substitute parts are necessary to maintain design compatibility in applications where the original NLW2-50 is no longer available from manufacturing channels.

Substiute Parts

NLW2-50

Cornell Dubilier Electronics (CDE)In Stock: 1052NLW2-50 Datasheet

Current PartRFQ

NLW2-100

Cornell Dubilier Electronics (CDE)In Stock: 809NLW2-100 Datasheet

UpgradeRFQ

225TMA050M

Cornell Dubilier / Illinois CapacitorIn Stock: 1081225TMA050M Datasheet

MFR RecommendedRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the NLW2-50 are evaluated on the following criteria:

Primary Compatibility Parameters:

• Capacitance: 2 µF (identical or within tolerance range)
• Voltage Rating: Minimum 50 V (equal or higher voltage rating acceptable)
• Package / Case: Axial, Can (physical form factor compatibility)
• Mounting Type: Through Hole (circuit board compatibility)
• Operating Temperature Range: -40°C ~ 105°C (environmental compliance)
• RoHS Status: ROHS3 Compliant (regulatory compliance)

Secondary Performance Parameters:

• ESR @ 120Hz (electrical performance impact)
• Lifetime @ 105°C (reliability considerations)
• Ripple Current ratings (functional operating conditions)

The NLW2-100 upgrade provides identical capacitance and package with increased voltage rating (100 V), maintaining full electrical and mechanical compatibility. The 225TMA050M manufacturer-recommended substitute provides equivalent voltage rating and capacitance tolerance within the acceptable range, with improved lifetime specification and different physical dimensions within the through-hole axial form factor.

Parameter Comparison

Engineering Selection Recommendations

NLW2-100 (Upgrade Substitute): This part maintains identical physical dimensions, capacitance, and electrical characteristics with the NLW2-50, with the advantage of increased voltage rating to 100 V. As an upgrade path within the same product series, the NLW2-100 provides direct form-factor compatibility and identical performance envelope. However, this part shares obsolete status with the NLW2-50.

225TMA050M (Manufacturer-Recommended Substitute): Produced by Cornell Dubilier / Illinois Capacitor, this part represents the active production equivalent. It maintains the same voltage rating (50 V) and provides improved reliability with 2000-hour lifetime specification at 105°C. The 225TMA050M has slightly higher capacitance (2.2 µF) within the ±20% tolerance specification and lower ESR. The physical dimensions are smaller (5.00mm x 13.00mm versus 7.11mm x 14.49mm), accommodating space-constrained applications while maintaining through-hole axial mounting compatibility. This part is ROHS3 compliant and carries active product status, ensuring availability and continued manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can NLW2-100 be used as a direct replacement for NLW2-50?

A: Yes. The NLW2-100 maintains identical capacitance (2 µF), package type (Axial, Can), and physical dimensions (0.280" Dia x 0.570" L) as the NLW2-50. The increased voltage rating (100 V versus 50 V) is compatible with all applications designed for the original 50 V rating. Both parts are classified as obsolete.

Q: What is the capacitance difference in the 225TMA050M substitute?

A: The 225TMA050M is rated at 2.2 µF versus the NLW2-50's 2 µF, representing a 0.2 µF difference. This falls within the 225TMA050M's ±20% tolerance specification and within the NLW2-50's wide tolerance band (-10%, +75%), making it functionally equivalent for general-purpose applications.

Q: Are physical dimensions a compatibility factor for through-hole mounting?

A: Physical dimensions are a circuit board layout consideration. The 225TMA050M (5.00mm x 13.00mm) is smaller than the NLW2-50 (7.11mm x 14.49mm). Both maintain axial, can package form factor and through-hole mounting. PCB footprint spacing must accommodate either dimension; smaller components may not fill original PCB design spacing without additional layout verification.

Q: What is the significance of the 2000-hour lifetime specification in the 225TMA050M?

A: The 225TMA050M provides 2000-hour lifetime at 105°C, double that of the NLW2-50 and NLW2-100 (1000 hours). This extended lifetime indicates improved long-term reliability and reduced capacitor aging effects in thermal stress conditions.

Q: Does product status affect compatibility?

A: Product status does not affect electrical or mechanical compatibility. The obsolete status of NLW2-50 and NLW2-100 indicates discontinued manufacturing and limited availability. The 225TMA050M's active status ensures continued production, manufacturing support, and procurement reliability.

Q: What compliance certifications are maintained across all substitute parts?

A: All three parts (NLW2-50, NLW2-100, and 225TMA050M) maintain ROHS3 compliance and carry EAR99 ECCN designation. Operating temperature range remains consistent at -40°C ~ 105°C across all substitutes.