

The 456SD Series NANO²® fuse is a small sized, surface-mountable high current fuse which provides over-current and excessive surge current protection for applications operating at high current in a limited space. This will be a supplementary offering to the existing 456 and 881 Series where the 50A fuse rating is not available.
Such applications are mostly served today through a single large-sized high-current industrial type fuse or in some cases, parallel configuration of lower amperage SMD fuses. The 456SD 50A Series fuse gives the option of a single fuse solution for protection for such application requirements.
- Available in ratings of 40 to 50A
- High interrupting rating - 600A@75VDC
- Very low cold resistance, temperature rise, and voltage drop
- High inrush/surge current withstand capability
- Surface mountable high current fuse
- Single fuse solution for high current application
- Suitable for a wide variety of voltage requirement and application
- Enhances power efficiency
- Avoids nuisance opening due to high inrush and surge current inherent in the system
- Compatible with high volume assembly requirements
456SD Parts
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Part Number | Actions | Voltage Rating (V) | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Resistance (Ω) | Body | Opening | Operating Temperature | Agency Approvals |
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Part Number | Actions | Voltage Rating (V) | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Resistance (Ω) | Body | Opening | Operating Temperature | Agency Approvals | |
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75 | 125 | 1700 | 0.0013 | Ceramic | Fast-Acting (F) | -55° to 125°C | cURus / TUV | |||
75 | 125 | 2700 | 0.00105 | Ceramic | Fast-Acting (F) | -55° to 125°C | cURus / TUV |
456SD Applications
- Voltage regulator module for PC server
- Cooling fan system for PC server
- Storage system power
- Basestation power supply
- Power tools