Littelfuse 0218.200VXP Glass Cartridge Fuse Equivalent & Substitute Parts

Part Overview

The Littelfuse 0218.200VXP is a 200 mA, 250 V AC/DC slow-blow glass cartridge fuse in a 5mm x 20mm package format. This component is classified as Active product status and is designed for applications requiring overcurrent protection in AC and DC circuits. Equivalent and substitute parts are identified when inventory constraints, supply chain disruptions, or design revisions necessitate alternative component sourcing while maintaining electrical and mechanical compatibility.

Key Parameters

Parameter	Value
Current Rating	200 mA
Voltage Rating (AC)	250 V
Response Time	Slow Blow
Package / Case	5mm x 20mm
Fuse Type	Cartridge, Glass
Mounting Type	Requires Holder
Breaking Capacity @ Rated Voltage	35A
Operating Temperature Range	-55°C to 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following critical parameters: current rating (200 mA), voltage rating (250 V AC), response time (slow blow), package dimensions (5mm x 20mm), fuse type (cartridge glass), and mounting requirement (requires holder). Parts are grouped into three categories based on electrical and mechanical compatibility:

Category 1: Littelfuse Series 218 Parametric Equivalents — Parts 0218.200HXP and 0218.200MXP maintain identical electrical specifications, breaking capacity, melting I²t value (0.341), and DC cold resistance (1.6 Ohms) as the primary part. These are direct functional replacements within the same manufacturer series.

Category 2: Littelfuse Series 219XA and 239 Parametric Equivalents — Parts 0219.200MXAP, 0239.200HXP, and 0239.200MXP share the same current, voltage, response time, and package specifications. However, these parts exhibit variations in breaking capacity and melting I²t characteristics. Part 0219.200MXAP features a higher breaking capacity (150A versus 35A) and lower melting I²t (0.32 versus 0.341). Parts 0239.200HXP and 0239.200MXP have lower melting I²t values (0.165) and higher DC cold resistance (3.8725 Ohms).

Category 3: Cross-Manufacturer Equivalents — Parts 0034.3110 and 0034.5610.11 (SCHURTER Inc.) and TSD-200MA (OptiFuse) maintain electrical and mechanical compatibility with identical current, voltage, response time, and package specifications. These parts are sourced from alternative manufacturers and provide supply chain flexibility.

Parameter Comparison

Part Number	Manufacturer	Series	Current Rating	Voltage Rating (AC)	Response Time	Package	Breaking Capacity @ Rated Voltage	Melting I²t	DC Cold Resistance	Inventory (Pcs)
0218.200VXP	Littelfuse Inc.	218	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.341	1.6 Ohms	744
0218.200HXP	Littelfuse Inc.	218	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.341	1.6 Ohms	2343
0218.200MXP	Littelfuse Inc.	218	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.341	1.6 Ohms	3993
0219.200MXAP	Littelfuse Inc.	219XA	200 mA	250 V	Slow Blow	5mm x 20mm	150A	0.32	1.6 Ohms	2418
0239.200HXP	Littelfuse Inc.	239	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.165	3.8725 Ohms	1578
0239.200MXP	Littelfuse Inc.	239	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.165	3.8725 Ohms	2167
0034.3110	SCHURTER Inc.	FST 5x20	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.256	Not Specified	2290
0034.5610.11	SCHURTER Inc.	SMD-FST	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.256	Not Specified	1028
TSD-200MA	OptiFuse	TSD	200 mA	250 V	Slow Blow	5mm x 20mm	35A	0.1628	Not Specified	1691

Engineering Selection Recommendations

Littelfuse Series 218 Equivalents (0218.200HXP, 0218.200MXP) are the primary substitutes for the 0218.200VXP. These parts maintain identical electrical characteristics and are certified by the same approval agencies (CCC, CE, CSA, SEMKO, UL, VDE). Both parts are Active status with higher inventory availability (2343 and 3993 units respectively).

Littelfuse Series 219XA (0219.200MXAP) is suitable for applications where higher breaking capacity (150A) is required. This part maintains the same current and voltage ratings but exhibits a marginally lower melting I²t value (0.32 versus 0.341). Approval agencies include CCC, CE, CSA, SEMKO, UL, and VDE.

Littelfuse Series 239 Equivalents (0239.200HXP, 0239.200MXP) are compatible substitutes with identical current, voltage, and package specifications. These parts feature lower melting I²t values (0.165) and higher DC cold resistance (3.8725 Ohms), indicating faster response characteristics. Approval agencies are limited to CE, CSA, KC, and UL. Both parts are Active status.

SCHURTER Cross-Manufacturer Equivalents (0034.3110, 0034.5610.11) provide alternative sourcing from a different manufacturer while maintaining electrical and mechanical compatibility. Part 0034.3110 (FST 5x20 series) is certified by CCC, cURus, and VDE. Part 0034.5610.11 (SMD-FST series) is certified by cURus and VDE. Both parts have melting I²t values of 0.256.

OptiFuse TSD-200MA is a cross-manufacturer equivalent certified to IEC 60127 standard. This part features the lowest melting I²t value (0.1628) among all substitutes, indicating the fastest response time. Inventory availability is 1691 units.

Frequently Asked Questions (FAQ)

Q: Can 0218.200HXP and 0218.200MXP be used interchangeably with 0218.200VXP?

A: Yes. Both parts are Littelfuse Series 218 fuses with identical electrical specifications, breaking capacity, melting I²t, and DC cold resistance. All three parts are certified by the same approval agencies and operate within the same temperature range.

Q: What is the difference between the Littelfuse Series 218 and Series 239 fuses?

A: Series 218 and Series 239 fuses share the same current rating (200 mA), voltage rating (250 V), response time (slow blow), and package dimensions (5mm x 20mm). The primary differences are melting I²t values (0.341 for Series 218 versus 0.165 for Series 239) and DC cold resistance (1.6 Ohms for Series 218 versus 3.8725 Ohms for Series 239). Series 239 fuses respond faster to overcurrent conditions.

Q: Is the 0219.200MXAP a direct replacement for 0218.200VXP?

A: The 0219.200MXAP is electrically compatible with the 0218.200VXP for current, voltage, response time, and package specifications. However, the 0219.200MXAP has a higher breaking capacity (150A versus 35A) and a slightly lower melting I²t value (0.32 versus 0.341). Selection depends on circuit requirements for breaking capacity.

Q: Can SCHURTER fuses (0034.3110, 0034.5610.11) replace Littelfuse fuses?

A: Yes. SCHURTER fuses 0034.3110 and 0034.5610.11 are cross-manufacturer equivalents with identical current ratings (200 mA), voltage ratings (250 V), response times (slow blow), and package dimensions (5mm x 20mm). Both parts are Active status and ROHS3 compliant. Approval agency certifications differ from Littelfuse parts.

Q: What approval agencies certify the substitute parts?

A: Littelfuse Series 218 parts are certified by CCC, CE, CSA, SEMKO, UL, and VDE. Littelfuse Series 219XA is certified by CCC, CE, CSA, SEMKO, UL, and VDE. Littelfuse Series 239 is certified by CE, CSA, KC, and UL. SCHURTER 0034.3110 is certified by CCC, cURus, and VDE. SCHURTER 0034.5610.11 is certified by cURus and VDE. OptiFuse TSD-200MA is certified to IEC 60127 standard.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant and REACH unaffected.

Q: What is the significance of melting I²t values in fuse selection?

A: Melting I²t is a thermal characteristic that determines the fuse's response speed to overcurrent. Lower melting I²t values indicate faster response times. Series 239 fuses (0.165) respond faster than Series 218 fuses (0.341). OptiFuse TSD-200MA (0.1628) has the fastest response among all substitutes.

Q: Can the 5mm x 20mm package dimension be used in existing fuse holders designed for the 0218.200VXP?

A: Yes. All substitute parts maintain the 5mm x 20mm package dimension and require a fuse holder for mounting. Physical compatibility is maintained across all listed substitutes.

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