Equivalent & Substitute Parts for 0285.315MXP

Part Overview

The Littelfuse 0285.315MXP is a ceramic cartridge fuse rated at 315 mA, 250 V AC/DC with a 5mm x 20mm form factor. This slow-blow fuse is designed for applications requiring overcurrent protection in industrial and commercial equipment. The part is currently active in production with 903 units in stock. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained, ensuring functional interchangeability within the specified operating conditions.

Substiute Parts

0285.315MXP

Littelfuse Inc.In Stock: 9800285.315MXP Datasheet

Current PartRFQ

0215.315MXP

Littelfuse Inc.In Stock: 168150215.315MXP Datasheet

Parametric EquivalentRFQ

TCD-315MA

OptiFuseIn Stock: 3943TCD-315MA Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 0285.315MXP is determined by strict equivalence across the following critical parameters:

• Current Rating: 315 mA (exact match required)
• Voltage Rating: 250 V AC (exact match required)
• Fuse Type: Cartridge, Ceramic (exact match required)
• Response Time: Slow Blow (exact match required)
• Physical Package: 5mm x 20mm (exact match required)
• Breaking Capacity: 1.5 kA (exact match required)
• Operating Temperature: -55°C to 125°C (exact match required)

Two substitute parts meet these criteria: the Littelfuse 0215.315MXP and the OptiFuse TCD-315MA. Both maintain identical electrical ratings, mechanical dimensions, and thermal operating ranges as the primary part.

Parameter Comparison

Engineering Selection Recommendations

All three parts are active products with ROHS3 compliance and maintain identical electrical and mechanical specifications. The 0215.315MXP carries additional approval certifications (CE, SEMKO, UL, VDE) compared to the primary 0285.315MXP. The TCD-315MA from OptiFuse meets IEC 60127 standards. Selection between these parts should be based on supply availability, lead time requirements, and any specific certification mandates within the application's regulatory framework. The 0215.315MXP offers the highest inventory availability at 16,715 units.

Frequently Asked Questions (FAQ)

Q: Can the 0215.315MXP be used as a direct replacement for the 0285.315MXP?

A: Yes. Both parts share identical current rating (315 mA), voltage rating (250 V AC), fuse type (ceramic cartridge), response time (slow blow), physical dimensions (5mm x 20mm), breaking capacity (1.5 kA), and operating temperature range (-55°C to 125°C). They are mechanically and electrically interchangeable.

Q: What is the difference between the Littelfuse 285 and 215 series?

A: The 285 and 215 series are distinct product lines within Littelfuse's ceramic cartridge fuse portfolio. For the 315 mA, 250 V specification, both series provide equivalent performance. The 215 series carries broader approval certifications (CE, SEMKO, UL, VDE).

Q: Is the OptiFuse TCD-315MA compatible with existing fuse holders designed for the 0285.315MXP?

A: Yes. The TCD-315MA maintains the identical 5mm x 20mm physical form factor and requires the same holder type as the 0285.315MXP.

Q: Are there any differences in melting I²t values between these parts?

A: The 0285.315MXP specifies 1.1 A²s, the 0215.315MXP specifies 0.975 A²s, and the TCD-315MA does not provide this parameter. These variations fall within acceptable tolerance for slow-blow ceramic fuses at this current rating and do not affect substitution eligibility based on the provided specifications.

Q: What certifications apply to each part?

A: The 0285.315MXP carries no listed approval agencies. The 0215.315MXP is certified by CE, SEMKO, UL, and VDE. The TCD-315MA meets IEC 60127 standards. All three are ROHS3 compliant.