GSA 10 Equivalent & Substitute Parts

Part Overview

The GSA 10 is a 10 A ceramic cartridge fuse rated for 125 V AC with slow-blow response characteristics, manufactured by Bel Fuse Inc. This component is classified as obsolete, necessitating identification of active equivalent and substitute parts for ongoing system maintenance and new designs. The fuse requires a 3AB or 3AG holder and operates across a temperature range of -55°C to 125°C.

Substiute Parts

GSA 10

Bel Fuse Inc.In Stock: 1124GSA 10 Datasheet

Current PartRFQ

GSA 10-R

Bel Fuse Inc.In Stock: 2688GSA 10-R Datasheet

DirectRFQ

0001.2514

SCHURTER Inc.In Stock: 230450001.2514 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the GSA 10 is determined by the following critical parameters: current rating (10 A), fuse type (ceramic cartridge), response time (slow blow), and physical form factor compatibility with holder requirements. The voltage rating and breaking capacity establish the electrical performance envelope for safe substitution.

Two substitute categories are identified:

Direct Equivalent (Same Manufacturer): GSA 10-R maintains identical current rating, fuse type, response time, and physical dimensions while increasing voltage rating to 250 V AC. This part is manufactured by the same supplier and is currently active.

Cross-Manufacturer Substitute: 0001.2514 (SCHURTER Inc.) matches the current rating, fuse type, and response time but uses a different physical form factor (5mm x 20mm versus 3AB/3AG). This part includes DC voltage rating capability (150 V DC) and is currently active.

Parameter Comparison

Engineering Selection Recommendations

GSA 10-R is the primary substitute for the GSA 10. Both parts share identical physical dimensions, holder compatibility (3AB/3AG), current rating, and melting I²t characteristics. The GSA 10-R is manufactured by the same supplier, is currently active, and achieves ROHS3 compliance. The increased voltage rating (250 V AC versus 125 V AC) provides enhanced electrical performance margin and does not compromise compatibility in 125 V AC applications.

0001.2514 serves as an alternative substitute when form factor change is acceptable. This SCHURTER part maintains the 10 A current rating and slow-blow response but requires a different holder (5mm x 20mm versus 3AB/3AG). The lower melting I²t value (400 versus 817) and reduced breaking capacity indicate different thermal and electrical characteristics. This part is suitable only when the mechanical mounting structure can accommodate the 5mm x 20mm package and when the lower I²t rating aligns with circuit protection requirements. The addition of 150 V DC rating provides expanded application flexibility.

Both substitute parts hold current active status and meet modern compliance standards (ROHS3, cURus certification), addressing the obsolescence of the original GSA 10.

Frequently Asked Questions (FAQ)

Q: Can GSA 10-R directly replace GSA 10 in existing designs?

A: Yes. GSA 10-R maintains identical physical dimensions (0.250" Dia x 1.252" L), holder compatibility (3AB/3AG), current rating (10 A), and response time (slow blow). The higher voltage rating (250 V AC) is compatible with 125 V AC applications and provides additional safety margin.

Q: What is the key difference between GSA 10-R and 0001.2514?

A: GSA 10-R uses the 3AB/3AG form factor (1/4" x 1-1/4"), while 0001.2514 uses the 5mm x 20mm form factor. GSA 10-R is the direct mechanical equivalent; 0001.2514 requires holder replacement. Additionally, 0001.2514 has a lower melting I²t (400 versus 817) and includes DC voltage rating (150 V DC).

Q: Is holder compatibility critical for substitution?

A: Yes. The GSA 10 requires a 3AB or 3AG holder. GSA 10-R uses the same holder type. The 0001.2514 requires a 5mm x 20mm holder and cannot be used in existing GSA 10 installations without mechanical modification.

Q: Are there compliance differences between the substitute parts?

A: GSA 10 is RoHS non-compliant and obsolete. Both GSA 10-R and 0001.2514 are ROHS3 compliant and currently active. GSA 10-R carries CE, CSA, cURus, and PSE certifications. 0001.2514 carries cURus and VDE certifications. Selection depends on required regulatory approvals for the target application.

Q: What does the melting I²t value indicate for substitution?

A: Melting I²t defines the thermal energy required to melt the fuse element. GSA 10 and GSA 10-R both have I²t = 817, ensuring identical thermal response characteristics. 0001.2514 has I²t = 400, indicating faster thermal response and different circuit protection behavior. This difference must be evaluated against circuit requirements.

Q: Can 0001.2514 be used in DC applications?

A: 0001.2514 is rated for 150 V DC, making it suitable for DC circuits. GSA 10 and GSA 10-R do not specify DC voltage ratings and should not be assumed for DC applications without manufacturer confirmation.