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Littelfuse 0218008.TXP Glass Cartridge Fuse 8A 250VAC 5x20mm Equivalent & Substitute Parts
Part Overview
The Littelfuse 0218008.TXP is an 8A 250VAC slow-blow glass cartridge fuse in 5x20mm form factor, designed for circuit protection in AC and DC applications. This component requires a fuse holder for installation and is actively manufactured. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, and performance characteristics to ensure direct functional replacement in existing designs.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Current Rating | 8 A |
| Voltage Rating (AC) | 250 V |
| Fuse Type | Cartridge, Glass |
| Response Time | Slow Blow |
| Package / Case | 5mm x 20mm |
| Mounting Type | Requires Holder |
| Breaking Capacity @ Rated Voltage | 80A |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility is determined by the following critical parameters:
- Current Rating: 8 A (exact match required)
- Voltage Rating: 250 V AC (exact match required)
- Package / Case: 5mm x 20mm (exact match required)
- Fuse Type: Cartridge, Glass (exact match required)
- Response Time: Slow Blow (exact match required)
- Mounting Type: Requires Holder (exact match required)
All identified substitute parts meet these core electrical and mechanical requirements. Variations in breaking capacity, melting I²t, and approval agencies are noted but do not preclude functional equivalence within the specified parameter set.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Current Rating (A) | Voltage Rating (V AC) | Response Time | Package / Case | Breaking Capacity @ Rated Voltage (A) | Melting I²t | Operating Temperature (°C) | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|
| 0218008.TXP | Littelfuse Inc. | 8 | 250 | Slow Blow | 5x20mm | 80 | 341.5 | -55 ~ 125 | ROHS3 Compliant |
| 0218008.HXP | Littelfuse Inc. | 8 | 250 | Slow Blow | 5x20mm | 80 | 341.5 | -55 ~ 125 | ROHS3 Compliant |
| 0218008.MXP | Littelfuse Inc. | 8 | 250 | Slow Blow | 5x20mm | 80 | 341.5 | -55 ~ 125 | ROHS3 Compliant |
| 0034.3126 | SCHURTER Inc. | 8 | 250 | Slow Blow | 5x20mm | 80 | 275 | -55 ~ 125 | ROHS3 Compliant |
| 0034.5626.11 | SCHURTER Inc. | 8 | 250 | Slow Blow | 5x20mm | 80 | 275 | -55 ~ 125 | ROHS3 Compliant |
| TSC-8A | OptiFuse | 8 | 250 | Slow Blow | 5x20mm | 100 | 152 | -55 ~ 125 | ROHS3 Compliant |
| TSD-8A | OptiFuse | 8 | 250 | Slow Blow | 5x20mm | 35 | 314.9 | -55 ~ 125 | ROHS3 Compliant |
Engineering Selection Recommendations
All substitute parts listed maintain active product status and ROHS3 compliance. Selection among equivalent options should be based on:
- Approval agency requirements for the target application (CE, CSA, UL, VDE, PSE, KC, CQC, cURus, IEC 60127)
- Inventory availability and lead time considerations
- Breaking capacity requirements for the specific circuit protection application
- Melting I²t characteristics relative to load inrush current profiles
Littelfuse 0218008.HXP and 0218008.MXP are direct parametric equivalents within the same manufacturer series and carry identical electrical specifications. SCHURTER 0034.3126 and 0034.5626.11 provide cross-manufacturer equivalence with identical core parameters. OptiFuse TSC-8A and TSD-8A offer alternative manufacturer options with variations in breaking capacity and melting I²t that may be suitable depending on circuit requirements.
Frequently Asked Questions (FAQ)
Q: Can 0218008.HXP be used as a direct replacement for 0218008.TXP?
A: Yes. Both parts are manufactured by Littelfuse, share identical current rating (8A), voltage rating (250V AC), response time (slow blow), and package dimensions (5x20mm). They are parametric equivalents within the 218 series.
Q: What is the difference between Littelfuse and SCHURTER fuses in this list?
A: Both manufacturers provide 8A 250VAC slow-blow cartridge fuses in 5x20mm form factor with 80A breaking capacity. The primary differences are melting I²t values (Littelfuse: 341.5 vs. SCHURTER: 275) and approval agency certifications. Selection depends on specific application requirements and regional compliance needs.
Q: Why do OptiFuse TSC-8A and TSD-8A have different breaking capacities?
A: OptiFuse TSC-8A has 100A breaking capacity while TSD-8A has 35A breaking capacity. Both maintain the same 8A current rating and 250V voltage rating. The breaking capacity difference reflects different internal construction and may affect suitability for high-fault-current applications. Verify breaking capacity requirements for your specific circuit.
Q: Are all these fuses RoHS compliant?
A: Yes. All listed parts are ROHS3 compliant and suitable for applications requiring RoHS certification.
Q: Do these fuses require a specific holder type?
A: All listed parts are cartridge-type fuses requiring a fuse holder for installation. The 5x20mm form factor is standard across all options, ensuring mechanical compatibility with existing holder designs.
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