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LNT2W331MSECBN Equivalent & Substitute Parts
Part Overview
The LNT2W331MSECBN is a 330 µF, 450 V aluminum electrolytic capacitor manufactured by Nichicon, designed for general purpose applications requiring high voltage energy storage and filtering. This radial, can-style capacitor with screw terminals is rated for 5000 hours at 105°C operating temperature and supports ripple currents up to 3.36 A at 10 kHz. The part maintains active product status with ROHS3 compliance and REACH compliance certification. Identifying equivalent substitute parts is essential for supply chain continuity, inventory management, and ensuring uninterrupted availability across manufacturing and maintenance operations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Capacitance | 330 µF |
| Voltage - Rated | 450 V |
| Tolerance | ±20% |
| Lifetime @ Temperature | 5000 Hrs @ 105°C |
| Operating Temperature Range | -25°C ~ 105°C |
| Ripple Current @ 120 Hz | 2.4 A |
| Ripple Current @ 10 kHz | 3.36 A |
| Lead Spacing | 0.500" (12.70 mm) |
| Size / Dimension | 1.378" Dia (35.00 mm) |
| Height - Seated (Max) | 4.055" (103.00 mm) |
| Mounting Type | Chassis Mount |
| Package / Case | Radial, Can - Screw Terminals |
| Polarization | Polar |
| Applications | General Purpose |
| RoHS Status | ROHS3 Compliant |
| REACH Status | REACH Affected |
Substitute Part Grouping Explanation
Substitution eligibility for the LNT2W331MSECBN is determined by strict equivalence across the following critical parameters:
- Capacitance value: 330 µF (exact match required)
- Rated voltage: 450 V (exact match required)
- Tolerance: ±20% (exact match required)
- Lifetime rating: 5000 Hrs @ 105°C (exact match required)
- Operating temperature range: -25°C ~ 105°C (exact match required)
- Ripple current specifications: 2.4 A @ 120 Hz and 3.36 A @ 10 kHz (exact match required)
- Physical dimensions and lead spacing: 1.378" Dia, 4.055" height, 0.500" lead spacing (exact match required)
- Package type: Radial, Can - Screw Terminals (exact match required)
- Compliance certifications: ROHS3 Compliant, REACH Affected (exact match required)
Only parts meeting all specified parameters qualify as direct substitutes. The LNT2W331MSEC meets all substitution criteria and is classified as a parametric equivalent.
Parameter Comparison
| Parameter | LNT2W331MSECBN (Main Part) | LNT2W331MSEC (Substitute) |
|---|---|---|
| Manufacturer | Nichicon | Nichicon |
| Series | LNT | LNT |
| Capacitance | 330 µF | 330 µF |
| Voltage - Rated | 450 V | 450 V |
| Tolerance | ±20% | ±20% |
| Lifetime @ Temperature | 5000 Hrs @ 105°C | 5000 Hrs @ 105°C |
| Operating Temperature | -25°C ~ 105°C | -25°C ~ 105°C |
| Ripple Current @ 120 Hz | 2.4 A | 2.4 A |
| Ripple Current @ 10 kHz | 3.36 A | 3.36 A |
| Lead Spacing | 0.500" (12.70 mm) | 0.500" (12.70 mm) |
| Size / Dimension | 1.378" Dia (35.00 mm) | 1.378" Dia (35.00 mm) |
| Height - Seated (Max) | 4.055" (103.00 mm) | 4.055" (103.00 mm) |
| Mounting Type | Chassis Mount | Chassis Mount |
| Package / Case | Radial, Can - Screw Terminals | Radial, Can - Screw Terminals |
| Polarization | Polar | Polar |
| Applications | General Purpose | General Purpose |
| Product Status | Active | Active |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Affected | REACH Affected |
Engineering Selection Recommendations
Both the LNT2W331MSECBN and LNT2W331MSEC maintain active product status with identical compliance certifications. Both parts are ROHS3 compliant and REACH affected, meeting current regulatory requirements for electronic component manufacturing and distribution. The LNT2W331MSEC is a direct parametric equivalent suitable for applications requiring the electrical and mechanical specifications of the LNT2W331MSECBN. Selection between these parts may be based on inventory availability, lead time, or procurement source, as all technical and compliance parameters are identical.
Frequently Asked Questions (FAQ)
Q: What makes LNT2W331MSEC a valid substitute for LNT2W331MSECBN?
A: The LNT2W331MSEC is a parametric equivalent meeting all critical specifications: 330 µF capacitance, 450 V rated voltage, ±20% tolerance, 5000 Hrs @ 105°C lifetime, identical ripple current ratings, matching physical dimensions, screw terminal package configuration, and equivalent compliance certifications (ROHS3, REACH).
Q: Are there any differences in mounting or physical installation between these parts?
A: No. Both parts feature identical chassis mount configuration, radial can-style packaging with screw terminals, lead spacing of 0.500" (12.70 mm), diameter of 1.378" (35.00 mm), and maximum seated height of 4.055" (103.00 mm). Direct mechanical interchangeability is confirmed.
Q: Do both parts meet the same regulatory and compliance standards?
A: Yes. Both the LNT2W331MSECBN and LNT2W331MSEC are ROHS3 compliant and REACH affected, meeting identical environmental and regulatory requirements.
Q: Can these parts be used interchangeably in high-ripple-current applications?
A: Yes. Both parts support identical ripple current specifications: 2.4 A @ 120 Hz and 3.36 A @ 10 kHz, confirming equivalent performance in filtering and energy storage applications requiring sustained ripple current handling.
Q: What is the operating temperature range for both parts?
A: Both parts operate across the temperature range of -25°C to 105°C with a rated lifetime of 5000 hours at the maximum operating temperature of 105°C.
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