MF-VS210SS-0 Equivalent & Substitute Parts

Part Overview

The MF-VS210SS-0 is a polymeric PTC resettable fuse manufactured by Bourns Inc. in the Multifuse® MF-VS series. This component is rated for 16V maximum voltage with a 2.1A hold current and 4.7A trip current, designed for strap mounting applications. The part is currently obsolete, making identification of equivalent and substitute components essential for ongoing system support and new design implementations.

Key Parameters

Parameter	Value
Manufacturer	Bourns Inc.
Series	Multifuse®, MF-VS
Voltage - Max	16V
Current - Hold (Ih) (Max)	2.1 A
Current - Trip (It)	4.7 A
Current - Max	100 A
Time to Trip	5 s
Resistance - Initial (Ri) (Min)	18 mOhms
Resistance - Post Trip (R1) (Max)	60 mOhms
Operating Temperature	-40°C ~ 85°C
Type	Polymeric
Package / Case	Strap
Size / Dimension	0.866" L x 0.205" W (22.00mm x 5.20mm)
Thickness (Max)	0.035" (0.90mm)
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution of the MF-VS210SS-0 is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match):

Voltage - Max: 16V
Current - Hold (Ih) (Max): 2.1 A
Current - Trip (It): 4.7 A
Time to Trip: 5 s
Resistance - Initial (Ri) (Min): 18 mOhms
Resistance - Post Trip (R1) (Max): 60 mOhms
Operating Temperature: -40°C ~ 85°C

Mechanical Parameters (Must Match):

Package / Case: Strap
Size / Dimension: 0.866" L x 0.205" W (22.00mm x 5.20mm)
Thickness (Max): 0.035" (0.90mm)

Compliance Parameters:

Type: Polymeric
RoHS Status: ROHS3 Compliant

Substitute parts are categorized as follows:

Direct Manufacturer Equivalents: Parts from Bourns Inc. with identical electrical and mechanical specifications, differing only in product status or packaging configuration.

Parametric Equivalents: Parts from Bourns Inc. with identical electrical and mechanical specifications, available in active product status.

Similar Parts: Components from alternative manufacturers with comparable electrical ratings but different mechanical form factors or slightly different resistance characteristics. These require design verification for mechanical compatibility.

Parameter Comparison

Parameter	MF-VS210SS-0	MF-VS210-0	MF-VS210-0-62	MF-VS210U-0	MINISMDC260F/16-2	VTP110F
Manufacturer	Bourns Inc.	Bourns Inc.	Bourns Inc.	Bourns Inc.	Littelfuse Inc.	Littelfuse Inc.
Product Status	Obsolete	Active	Active	Active	Active	Active
Voltage - Max	16V	16V	16V	16V	16V	16V
Current - Hold (Ih) (Max)	2.1 A	2.1 A	2.1 A	2.1 A	2.6 A	1.1 A
Current - Trip (It)	4.7 A	4.7 A	4.7 A	4.7 A	5 A	2.7 A
Time to Trip	5 s	5 s	5 s	5 s	5 s	5 s
Resistance - Initial (Ri) (Min)	18 mOhms	18 mOhms	18 mOhms	18 mOhms	15 mOhms	38 mOhms
Resistance - Post Trip (R1) (Max)	60 mOhms	60 mOhms	60 mOhms	60 mOhms	50 mOhms	140 mOhms
Operating Temperature	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C	-40°C ~ 85°C
Type	Polymeric	Polymeric	Polymeric	Polymeric	Polymeric	Polymeric
Package / Case	Strap	Strap	Strap	Strap	1812 (4532 Metric), Concave	Strap
Size / Dimension	0.866" L x 0.205" W (22.00mm x 5.20mm)	0.866" L x 0.205" W (22.00mm x 5.20mm)	0.866" L x 0.205" W (22.00mm x 5.20mm)	0.866" L x 0.205" W (22.00mm x 5.20mm)	0.181" L x 0.128" W (4.60mm x 3.24mm)	1.008" L x 0.114" W (25.60mm x 2.90mm)
Thickness (Max)	0.035" (0.90mm)	0.035" (0.90mm)	0.035" (0.90mm)	0.035" (0.90mm)	0.060" (1.52mm)	0.028" (0.70mm)
RoHS Status	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
Approval Agency	UR	cURus, TUV	cURus, TUV	cURus, TUV	CSA, TUV, UL	CSA, TUV, UL
Inventory Status	899 Pcs	10400 Pcs	1026 Pcs	834 Pcs	20237 Pcs	1075 Pcs

Engineering Selection Recommendations

Primary Substitutes (Direct Equivalents):

MF-VS210-0, MF-VS210-0-62, and MF-VS210U-0 are direct electrical and mechanical equivalents manufactured by Bourns Inc. All three parts maintain identical voltage, current, resistance, and thermal specifications. The primary distinction is product status: MF-VS210-0, MF-VS210-0-62, and MF-VS210U-0 are active products with enhanced certifications (cURus, TUV) compared to the obsolete MF-VS210SS-0 (UR certification only). These parts are suitable for direct replacement without design modification.

Secondary Substitutes (Similar Parts):

MINISMDC260F/16-2 (Littelfuse Inc., miniSMD series) and VTP110F (Littelfuse Inc., PolySwitch® VTP series) are similar polymeric PTC resettable fuses with the same 16V maximum voltage and 5-second trip time. However, these parts differ in critical parameters:

MINISMDC260F/16-2: Current hold of 2.6A (vs. 2.1A), surface mount 1812 package (vs. strap), significantly smaller dimensions (4.60mm x 3.24mm vs. 22.00mm x 5.20mm), and higher moisture sensitivity (MSL 2A vs. MSL 1).
VTP110F: Current hold of 1.1A (vs. 2.1A), different strap dimensions (25.60mm x 2.90mm vs. 22.00mm x 5.20mm), and higher post-trip resistance (140 mOhms vs. 60 mOhms).

These parts require design verification for mechanical fit and electrical performance compatibility.

Compliance Considerations:

All substitute parts maintain ROHS3 compliance. MF-VS210-0, MF-VS210-0-62, and MF-VS210U-0 include REACH Unaffected status, providing additional regulatory assurance. Littelfuse alternatives (MINISMDC260F/16-2 and VTP110F) carry broader approval agencies (CSA, TUV, UL) compared to the original part's UR certification.

Frequently Asked Questions (FAQ)

Q: Can MF-VS210-0 be used as a direct replacement for MF-VS210SS-0?

A: Yes. MF-VS210-0 is a direct electrical and mechanical equivalent with identical voltage (16V), hold current (2.1A), trip current (4.7A), resistance specifications, and strap package dimensions. The primary difference is product status: MF-VS210-0 is active with enhanced certifications (cURus, TUV).

Q: What is the difference between MF-VS210-0, MF-VS210-0-62, and MF-VS210U-0?

A: All three parts are electrically and mechanically identical to MF-VS210SS-0. The designations reflect different packaging configurations or internal specifications. All three are active products suitable for replacement.

Q: Can MINISMDC260F/16-2 replace MF-VS210SS-0?

A: MINISMDC260F/16-2 is not a direct replacement. While it shares the same 16V voltage rating and 5-second trip time, it has a higher hold current (2.6A vs. 2.1A), uses a surface mount 1812 package instead of strap, and has significantly different dimensions. Mechanical compatibility and electrical performance must be verified before substitution.

Q: Can VTP110F replace MF-VS210SS-0?

A: VTP110F is not a direct replacement. It has a lower hold current (1.1A vs. 2.1A), different strap dimensions, and higher post-trip resistance (140 mOhms vs. 60 mOhms). This part is suitable only if the application can tolerate lower current ratings and different electrical characteristics.

Q: What are the key parameters that determine substitution compatibility?

A: Substitution compatibility is determined by voltage rating (16V), hold current (2.1A), trip current (4.7A), time to trip (5 seconds), initial resistance (18 mOhms minimum), post-trip resistance (60 mOhms maximum), operating temperature range (-40°C to 85°C), and mechanical form factor (strap package with 22.00mm x 5.20mm dimensions).

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance. MF-VS210-0, MF-VS210-0-62, and MF-VS210U-0 additionally provide REACH Unaffected status.

Q: What inventory levels are available for each substitute?

A: MF-VS210-0 has the highest inventory at 10,400 pieces. MF-VS210-0-62 has 1,026 pieces, MF-VS210U-0 has 834 pieces, MINISMDC260F/16-2 has 20,237 pieces, and VTP110F has 1,075 pieces. The original MF-VS210SS-0 has 899 pieces remaining.

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