Littelfuse 0213005.M Glass Cartridge Fuse 5A 250VAC 5x20mm Equivalent & Substitute Parts

Part Overview

The Littelfuse 0213005.M is a 5A 250VAC glass cartridge fuse with slow-blow response characteristics, designed for 5mm x 20mm holder mounting. This part is classified as obsolete. Due to its discontinued status, equivalent substitute parts from active product lines are necessary to maintain circuit protection functionality in applications requiring this electrical specification.

Key Parameters

Parameter	Value
Current Rating	5 A
Voltage Rating (AC)	250 V
Fuse Type	Cartridge, Glass
Response Time	Slow Blow
Package / Case	5mm x 20mm
Breaking Capacity @ Rated Voltage	50A
Melting I²t	314
Operating Temperature Range	-55°C ~ 125°C
DC Cold Resistance	0.0116 Ohms
Mounting Type	Requires Holder
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: current rating (5A), voltage rating (250VAC), fuse type (cartridge glass), response time (slow blow), physical dimensions (5mm x 20mm), breaking capacity (50A), and operating temperature range (-55°C to 125°C).

Substitute parts are grouped into two categories based on melting I²t value:

Category 1: Series 213 (Melting I²t = 314) — Direct parametric equivalents with identical thermal characteristics to the main part. These include 0213005.MXBP, 0213005.MXP, and 0213005.TXP.

Category 2: Series 218 (Melting I²t = 111) — Parametric equivalents with reduced melting I²t values. These include 0218005.HXP, 0218005.MXBP, 0218005.MXF11P, 0218005.MXF14P, 0218005.MXP, 0218005.TXP, and 0218005.VXP. The lower I²t indicates faster thermal response under fault conditions.

All substitute parts are active products with RoHS3 compliance and REACH unaffected status.

Parameter Comparison

Part Number	Manufacturer	Series	Current Rating (A)	Voltage Rating (VAC)	Response Time	Package	Breaking Capacity (A)	Melting I²t	DC Cold Resistance (Ohms)	Product Status	RoHS Status
0213005.M	Littelfuse Inc.	213	5	250	Slow Blow	5mm x 20mm	50	314	0.0116	Obsolete	RoHS non-compliant
0213005.MXBP	Littelfuse Inc.	213	5	250	Slow Blow	5mm x 20mm	50	314	0.0116	Active	RoHS3 Compliant
0213005.MXP	Littelfuse Inc.	213	5	250	Slow Blow	5mm x 20mm	50	314	0.0116	Active	RoHS3 Compliant
0213005.TXP	Littelfuse Inc.	213	5	250	Slow Blow	5mm x 20mm	50	314	0.0116	Active	RoHS3 Compliant
0218005.HXP	Littelfuse Inc.	218	5	250	Slow Blow	5mm x 20mm	50	111	0.0104	Active	RoHS3 Compliant
0218005.MXBP	Littelfuse Inc.	218	5	250	Slow Blow	5mm x 20mm	50	111	0.0104	Active	RoHS3 Compliant
0218005.MXF11P	Littelfuse Inc.	218	5	250	Slow Blow	5mm x 20mm	50	111	0.0104	Active	RoHS3 Compliant
0218005.MXF14P	Littelfuse Inc.	218	5	250	Slow Blow	5mm x 20mm	50	111	0.0104	Active	RoHS3 Compliant
0218005.MXP	Littelfuse Inc.	218	5	250	Slow Blow	5mm x 20mm	50	111	0.0104	Active	RoHS3 Compliant
0218005.TXP	Littelfuse Inc.	218	5	250	Slow Blow	5mm x 20mm	50	111	0.0104	Active	RoHS3 Compliant
0218005.VXP	Littelfuse Inc.	218	5	250	Slow Blow	5mm x 20mm	50	111	0.0104	Active	RoHS3 Compliant

Engineering Selection Recommendations

For direct replacement of the obsolete 0213005.M, select from Series 213 active alternatives: 0213005.MXBP, 0213005.MXP, or 0213005.TXP. These maintain identical electrical and thermal characteristics while providing RoHS3 compliance and active product status.

Series 218 alternatives (0218005.HXP, 0218005.MXBP, 0218005.MXF11P, 0218005.MXF14P, 0218005.MXP, 0218005.TXP, 0218005.VXP) are electrically compatible but exhibit faster thermal response due to lower melting I²t (111 versus 314). Selection of Series 218 parts is appropriate where circuit design accommodates reduced thermal time constant or where enhanced fault response is beneficial.

All substitute parts carry RoHS3 compliance and REACH unaffected status, meeting modern regulatory requirements. Approval agencies vary between Series 213 (BSI, CCC, CE, CSA, PSE, SEMKO, UR, VDE) and Series 218 (CCC, CE, CSA, K-MARK/KC, PSE, SEMKO, UL, VDE). Verify certification alignment with application requirements.

Frequently Asked Questions (FAQ)

Q: Can Series 218 parts directly replace Series 213 in all applications?

A: Series 218 parts are electrically compatible across current, voltage, and physical dimensions. The difference lies in melting I²t (111 versus 314), which affects thermal response speed. Applications sensitive to thermal time constant require evaluation before substitution.

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

A: Melting I²t defines the thermal energy required to melt the fuse element. Lower I²t values (Series 218 at 111) indicate faster response to overcurrent conditions. Higher I²t values (Series 213 at 314) provide greater tolerance to transient current spikes before activation.

Q: Are all substitute parts compatible with existing 5mm x 20mm fuse holders?

A: Yes. All substitute parts maintain the 5mm x 20mm physical dimension and require holder mounting. Physical compatibility is assured across all listed alternatives.

Q: Why is RoHS3 compliance important for this substitution?

A: RoHS3 compliance ensures the fuse meets current environmental and material restriction standards. The original 0213005.M is RoHS non-compliant. Active substitutes with RoHS3 compliance satisfy modern procurement and regulatory requirements.

Q: What is the difference between packaging designations (MXBP, MXP, TXP)?

A: Packaging designations indicate different distribution formats (bulk packaging variants). All maintain identical electrical specifications and are functionally equivalent. Selection depends on procurement quantity and packaging requirements.

Q: Can I use 0218005.MXP as a direct replacement given its higher inventory availability?

A: 0218005.MXP is electrically compatible and offers superior availability (42,700 units in stock). Substitution is valid provided the application design accommodates the faster thermal response characteristic of Series 218 (melting I²t = 111).

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