Overview
The Nichicon 9142 snap-in capacitor delivers stable filtering and DC bus support for power supply circuits operating at 400V. With a 330µF capacitance rating, this aluminum electrolytic capacitor is engineered for reliability in industrial, commercial, and broadcast equipment where ripple reduction and charge storage are critical. The snap-in termination simplifies PCB mounting and replacement, making it ideal for field service and refurbishment applications.
Key Features
- Snap-in terminal design enables quick installation and removal without soldering
- 330µF capacitance at 400V DC for substantial filtering capacity
- Aluminum electrolytic construction with robust design for high-temperature stability
- Compact snap-in case minimizes footprint on power supply PCBs
- Long operational life suited for continuous industrial duty cycles
- Drop-in compatible with equivalent Nichicon GL and GW series models
Technical Specifications
- Capacitance: 330µF
- Voltage Rating: 400V DC
- Mounting Type: Snap-In (10mm lead pitch)
- Diameter: 30mm
- Height: 25–40mm (varies by series variant)
- Operating Temperature Range: −25°C to +105°C
- Technology: Aluminum Electrolytic
- Tolerance: ±20%
- Minimum Operating Temperature: −25°C
- Maximum Operating Temperature: +105°C
- Lead Pitch: 10mm
- Ripple Current: 1.04–2.33A (series dependent)
- Lifetime: 2000–3000 hours at rated conditions
Typical Applications
- Switching power supplies and SMPS filter circuits
- Industrial rectifier and DC bus filtering
- Monitor and display equipment power stages
- Arcade and broadcast equipment PSU support
- Telecom and server rack power distribution
- UPS and battery backup systems
Compatibility & Replacements
Compatible With
- Power supply circuits rated 400V DC
- Industrial PLC and automation control systems
- UPS and DC power distribution cabinets
- Broadcast and professional audio equipment
- Commercial HVAC and motor control drives
- Renewable energy inverter systems
Replaces / Drop-In Replacement For
Nichicon LGL2G331MELB25 (GL series, 330µF 400V snap-in) and LGW2G331MELB40 (GW series, 330µF 400V snap-in) are direct equivalents. Verify specific form factor (height and ripple rating) before substitution to ensure PCB clearance and thermal performance match original design.
Works With
- Standard power supply PCB assembly with 10mm snap-in lead spacing
- Industrial automation and control platforms using 400V DC buses
- Retrofit and repair applications in legacy equipment
- Nichicon GL, GR, GW, and GX series product ecosystems
- OEM equipment supporting ±20% capacitance tolerance
