Circuit Protection Selection Guide
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.
Part Number | Actions | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Resistance (Ω) | Body | MSL | Opening | Voltage Rating (V) | Minimum Operating Temperature (°C) | Max Operating Temperature (°C) | Agency Approvals |
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Part Number | Actions | Maximum AC Voltage (V) | Nominal Melting I2T (A2sec) | Resistance (Ω) | Body | MSL | Opening | Voltage Rating (V) | Minimum Operating Temperature (°C) | Max Operating Temperature (°C) | Agency Approvals | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
65 | 0.204 | 0.175 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | ||||
250 | 0.146 | 0.3107 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | METI | |||
250 | 0.79 | 0.14915 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | METI | |||
250 | 2.76 | 0.071 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | METI | |||
250 | 3.36 | 0.0379 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | METI | |||
250 | 6.25 | 0.035 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | METI | |||
250 | 8.208 | 0.027 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | ||||
250 | 10.58 | 0.022 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | ||||
250 | 16.45 | 0.019 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | ||||
250 | 20.66 | 0.016 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | ||||
250 | 24 | 0.0135 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | ||||
65 | 38 | 0.0057 | Ceramic | Contact Littelfuse | Very Fast-Acting (FF) | 65 | -55 | 125 | UR |
Consult this guide to learn about circuit protection considerations and the solutions Littelfuse offers. Tables help match products with applications.