LNC2V392MTEH

The LNC2V392MTEH is a screw-terminal aluminum electrolytic capacitor designed for industrial power applications. It features a stud/bolt mount radial can with screw terminals and is optimized for inverter and motor-drive environments that demand high ripple handling and fast charge–discharge performance.

With a rated voltage of 350 V, capacitance of 3.9 mF, 85°C maximum operating temperature, and a 5000-hour load life at 85°C under rated ripple conditions, this capacitor is targeted at inverter circuitry, AC servomotor regenerative circuits, and other high-frequency industrial power systems. The product is RoHS compliant.

Key Features

• Capacitance & Voltage — Rated capacitance: 3.9 mF; Rated voltage: 350 V; capacitance tolerance ±20% (at 120 Hz, 20°C).
• High Ripple-Current Capability — Supports 14.3 A at 120 Hz and 20.02 A at 100 kHz, enabling robust performance under both low- and high-frequency ripple loads.
• Endurance and Lifetime — Load life: 5000 hours at 85°C with DC bias plus rated ripple current; after endurance test, capacitance change within ±20%, tan δ ≤200% of initial spec, and leakage current ≤ initial spec.
• High-Frequency & Charge–Discharge Durability — Designed to cope with high-speed charge–discharge loading and high-frequency regenerative voltage conditions; tested for 50 million charge–discharge cycles (ΔV = rated × 0.3, 3 Hz) with specified limits maintained.
• Mechanical & Mounting — Stud bolt mount with radial can and screw terminals for secure electrical and mechanical connection in industrial assemblies; physical size: L: 7 cm × D: 7.62 cm.
• Temperature Range & Stability — Operating temperature range −40°C to +85°C; impedance stability: Z(−40°C)/Z(+20°C) = 8 (for rated voltages 350–500 V).
• Electrical Safety Characteristics — Insulation resistance >100 MΩ at DC 500 V between terminal and bracket; voltage proof: no abnormality at AC 2500 V for 1 minute between terminal and bracket.
• RoHS Compliance — Compliant with the RoHS directive (2011/65/EU, (EU)2015/863).

Typical Applications

• Industrial Power Supplies — Used in inverter circuitry where sustained ripple handling and long operational life are required.
• AC Servomotor Regeneration — Suitable for high-frequency regenerative voltage circuits in motor drives and servomotor systems.
• General Inverters and Motor Drives — Provides bulk energy storage and ripple smoothing for inverter-based drive systems.
• High-Speed Charge–Discharge Systems — Applied where frequent or rapid charge/discharge cycles are present, supported by the capacitor's charge–discharge endurance testing.

Unique Advantages

• High ripple-current handling: Rated for 14.3 A at 120 Hz and 20.02 A at 100 kHz, enabling reliable operation under heavy AC ripple and high-frequency conditions.
• Proven endurance at elevated temperature: 5000-hour load life at 85°C under rated ripple ensures predictable aging behavior for industrial deployments.
• Designed for high-frequency regeneration: Engineered to handle high-frequency regenerative voltages and rapid charge–discharge cycles common in servo and inverter applications.
• Robust electrical isolation: Insulation resistance >100 MΩ at DC 500 V and AC 2500 V voltage-proof testing between terminal and bracket for safety in high-voltage assemblies.
• Compact stud-mount form factor: Radial can with screw terminals and stud/bolt mounting provides secure mechanical attachment and straightforward integration into power assemblies.
• Standards-based reliability tests: Endurance, shelf-life, and charge–discharge tests with defined pass criteria for capacitance, tan δ, and leakage current support predictable system design.

Why Choose LNC2V392MTEH?

The LNC2V392MTEH delivers a balance of high ripple-current capability, long-term endurance at elevated temperature, and mechanical robustness in a screw-terminal, stud-mount aluminum electrolytic package. It is well suited to engineers designing inverter power stages, servo regeneration circuits, and other industrial power systems that require stable bulk capacitance and reliable performance under frequent charge–discharge and high-frequency conditions.

With defined electrical safety characteristics, RoHS compliance, and datasheet-backed endurance and charge–discharge qualifications, this capacitor provides specification-level predictability for procurement and system-level reliability planning.

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