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Equivalent & Substitute Parts for 0325012.VXP
Part Overview
The 0325012.VXP is a 12 A ceramic fuse cartridge manufactured by Littelfuse Inc., rated for 250 V AC and 125 V DC operation. This through-hole component is designed for applications requiring slow-blow response characteristics and is compliant with multiple international approval agencies including UL, CSA, CE, KC, and PSE. The part remains in active production status. Substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when inventory requirements necessitate qualified alternatives.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Current Rating | 12 A |
| Voltage Rating - AC | 250 V |
| Voltage Rating - DC | 125 V |
| Fuse Type | Cartridge, Ceramic |
| Response Time | Slow Blow |
| Package / Case | 3AB, 3AG, 1/4" x 1-1/4" (Axial) |
| Mounting Type | Through Hole |
| Operating Temperature Range | -55°C ~ 125°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution of the 0325012.VXP is determined by the following critical parameters:
- Current Rating: Must be 12 A
- Voltage Rating - AC: Must be 250 V minimum
- Fuse Type: Must be Cartridge, Ceramic
- Response Time: Must be Slow Blow
- Package / Case: Must be 3AB, 3AG, 1/4" x 1-1/4" (Axial)
- Mounting Type: Must be Through Hole
- RoHS Compliance: Must maintain ROHS3 Compliant status
The substitute part 8020.0603.PT from SCHURTER Inc. meets all critical substitution criteria. Both parts share identical current ratings, AC voltage ratings, fuse type, response characteristics, and physical package specifications. Both are RoHS3 compliant and suitable for through-hole mounting applications.
Parameter Comparison
| Parameter | 0325012.VXP (Littelfuse) | 8020.0603.PT (SCHURTER) |
|---|---|---|
| Current Rating (Amps) | 12 A | 12 A |
| Voltage Rating - AC | 250 V | 250 V |
| Voltage Rating - DC | 125 V | Not specified |
| Fuse Type | Cartridge, Ceramic | Cartridge, Ceramic |
| Response Time | Slow Blow | Slow Blow |
| Package / Case | 3AB, 3AG, 1/4" x 1-1/4" (Axial) | 3AB, 3AG, 1/4" x 1-1/4" (Axial) |
| Mounting Type | Through Hole | Through Hole |
| Breaking Capacity @ Rated Voltage | 400A AC, 600A DC | 500A |
| Melting I²t | 129 | 72 |
| Operating Temperature Range | -55°C ~ 125°C | -40°C ~ 85°C |
| DC Cold Resistance | 0.0067 Ohms | 0.0056 Ohms |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Approval Agency | CE, CSA, KC, PSE, UL | cURus |
Engineering Selection Recommendations
Both the 0325012.VXP and 8020.0603.PT are active production parts with RoHS3 compliance and appropriate regulatory certifications for their respective markets. The 0325012.VXP carries broader international approval agency recognition (CE, CSA, KC, PSE, UL), while the 8020.0603.PT holds cURus certification. Selection between these parts should be based on specific application requirements regarding approval agency compliance, operating temperature range, and breaking capacity specifications. The 0325012.VXP supports a wider operating temperature range (-55°C to 125°C) compared to the SCHURTER substitute (-40°C to 85°C), which may be a determining factor for extreme temperature applications.
Frequently Asked Questions (FAQ)
Q: Can the 8020.0603.PT replace the 0325012.VXP in all applications?
A: Both parts share identical current ratings (12 A), AC voltage ratings (250 V), fuse type (Ceramic Cartridge), response time (Slow Blow), and physical package dimensions (3AB, 3AG, 1/4" x 1-1/4"). However, the 0325012.VXP supports a wider operating temperature range (-55°C to 125°C versus -40°C to 85°C) and carries additional approval certifications. Application-specific requirements for temperature range and regulatory compliance must be evaluated.
Q: Are the physical dimensions identical between these parts?
A: The package specifications are equivalent (3AB, 3AG, 1/4" x 1-1/4" Axial). Measured dimensions show minimal variation: 0325012.VXP is 0.275" Dia x 1.288" L (6.99mm x 32.72mm), while 8020.0603.PT is 0.270" Dia x 1.291" L (6.85mm x 32.80mm). These differences are within normal manufacturing tolerances for through-hole cartridge fuses.
Q: What are the differences in breaking capacity?
A: The 0325012.VXP has a breaking capacity of 400A AC and 600A DC at rated voltage. The 8020.0603.PT specifies 500A breaking capacity. Applications requiring specific breaking capacity ratings should reference the detailed electrical specifications for each part.
Q: Are both parts RoHS compliant?
A: Yes, both the 0325012.VXP and 8020.0603.PT are ROHS3 compliant and REACH unaffected.
Q: Which part should be selected for high-temperature applications?
A: The 0325012.VXP supports operation up to 125°C, while the 8020.0603.PT is rated to 85°C maximum. For applications exceeding 85°C, the 0325012.VXP is the appropriate selection.
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