Littelfuse 0213.630MXBP Equivalent & Substitute Parts

Part Overview

The Littelfuse 0213.630MXBP is a 630 mA, 250 V AC/DC slow-blow glass cartridge fuse in 5mm x 20mm package format. This component is classified as Active product status and requires a fuse holder for installation. Equivalent and substitute parts are identified based on matching electrical ratings, mechanical dimensions, response characteristics, and regulatory approvals to ensure direct functional interchangeability in circuit protection applications.

Key Parameters

Parameter	Value
Current Rating	630 mA
Voltage Rating (AC)	250 V
Response Time	Slow Blow
Package / Case	5mm x 20mm
Fuse Type	Cartridge, Glass
Mounting Type	Requires Holder
Operating Temperature Range	-55°C ~ 125°C
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following criteria applied strictly to the provided parameters:

Primary Matching Criteria:

Current Rating: 630 mA (exact match required)
Voltage Rating (AC): 250 V (exact match required)
Response Time: Slow Blow (exact match required)
Package / Case: 5mm x 20mm (exact match required)
Fuse Type: Cartridge, Glass (exact match required)
Mounting Type: Requires Holder (exact match required)
Operating Temperature Range: -55°C ~ 125°C (exact match required)

All substitute parts listed below meet these primary criteria. Secondary parameters including Breaking Capacity, Melting I²t, approval agencies, and DC Cold Resistance may vary within acceptable engineering tolerances for the 630 mA, 250 V, 5x20mm cartridge fuse category.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Current Rating (mA)	Voltage (V AC)	Response Time	Package	Breaking Capacity @ Rated Voltage (A)	Melting I²t	DC Cold Resistance (Ohms)	Inventory (Pcs)
0213.630MXBP	Littelfuse Inc.	630	250	Slow Blow	5x20mm	35	4.8	0.275	871
0213.630MXP	Littelfuse Inc.	630	250	Slow Blow	5x20mm	35	4.8	0.275	2415
0218.630HXP	Littelfuse Inc.	630	250	Slow Blow	5x20mm	35	4.675	0.275	1742
0218.630MXP	Littelfuse Inc.	630	250	Slow Blow	5x20mm	35	4.675	0.275	2443
0218.630TXP	Littelfuse Inc.	630	250	Slow Blow	5x20mm	35	4.675	0.275	792
0219.630MXAP	Littelfuse Inc.	630	250	Slow Blow	5x20mm	150	4.82	0.275	1079
0618.630MXP	Littelfuse Inc.	630	250	Slow Blow	5x20mm	35	4.675	0.275	1863
0034.3115	SCHURTER Inc.	630	250	Slow Blow	5x20mm	35	4.35	—	10758
TSC-630MA	OptiFuse	630	250	Slow Blow	5x20mm	100	0.566	—	781
TSD-630MA	OptiFuse	630	250	Slow Blow	5x20mm	35	1.583	—	2577

Engineering Selection Recommendations

Littelfuse Series 213, 218, 219XA, and 618 Parts: All Littelfuse substitute parts (0213.630MXP, 0218.630HXP, 0218.630MXP, 0218.630TXP, 0219.630MXAP, 0618.630MXP) maintain Active product status and ROHS3 compliance. Selection among these parts is based on regulatory approval requirements and inventory availability. The 0219.630MXAP variant offers higher breaking capacity (150A) compared to the main part (35A) and other Littelfuse alternatives, suitable for applications requiring enhanced fault current handling.

SCHURTER 0034.3115: This part provides equivalent electrical and mechanical performance with Active product status and ROHS3 compliance. Regulatory approvals differ (CCC, cURus, VDE versus the main part's BSI, CCC, CE, CSA, SEMKO, UR, VDE). Selection depends on regional certification requirements.

OptiFuse TSC-630MA and TSD-630MA: Both OptiFuse parts meet primary electrical and mechanical criteria with Active product status and ROHS3 compliance. The TSC-630MA offers higher breaking capacity (100A) and lower melting I²t (0.566), while TSD-630MA provides melting I²t of 1.583. Regulatory approvals differ from the main part. Selection should align with specific circuit protection requirements and regional compliance mandates.

Frequently Asked Questions (FAQ)

Q: Can I substitute the 0213.630MXBP with any of the listed parts? A: Yes, all listed parts are functionally equivalent based on matching current rating (630 mA), voltage rating (250 V AC), response time (slow blow), package dimensions (5x20mm), and operating temperature range (-55°C to 125°C). Verify that regulatory approvals and breaking capacity specifications align with your application requirements.

Q: What is the difference between Littelfuse Series 213, 218, 219XA, and 618? A: These represent different product series within Littelfuse's cartridge fuse portfolio. All variants listed maintain identical electrical ratings and package dimensions. Series designation reflects internal design iterations and regulatory approval pathways. Breaking capacity and melting I²t values vary slightly between series.

Q: Why do OptiFuse and SCHURTER parts have different melting I²t values? A: Melting I²t is a thermal characteristic that reflects the fuse element's response to overcurrent conditions. Variations within the 630 mA, 250 V category are acceptable for slow-blow cartridge fuses. Verify that the specific melting I²t value meets your circuit protection coordination requirements.

Q: Are all substitute parts ROHS3 compliant? A: Yes, all listed substitute parts carry ROHS3 compliance status, matching the main part's environmental compliance profile.

Q: What does "Requires Holder" mean? A: This fuse type is a cartridge fuse that must be installed in a dedicated fuse holder. It is not a plug-in or screw-base fuse. Ensure your circuit design includes an appropriate 5x20mm fuse holder rated for 250 V AC operation.

Q: Can I use the 0219.630MXAP with its higher breaking capacity (150A) as a direct replacement? A: Yes. The higher breaking capacity provides enhanced fault current handling capability while maintaining all other electrical and mechanical specifications. This substitution is suitable for applications where increased fault current protection is beneficial or required.

Q: Which substitute part has the highest inventory availability? A: The SCHURTER 0034.3115 has the highest inventory at 10,758 pieces, followed by Littelfuse 0218.630MXP at 2,443 pieces and OptiFuse TSD-630MA at 2,577 pieces.

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