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ASF42G Equivalent & Substitute Parts
Part Overview
The ASF42G is a slide switch manufactured by TE Connectivity ALCOSWITCH Switches, classified as a 4PDT (four-pole double-throw) switch with a rated capacity of 0.4VA at 20V. This through-hole mounted component features a screwdriver slot actuator and is designed for applications requiring reliable switching with shorting contact timing. The part is currently in active production status with 1,041 units available in inventory. Alternative part numbers may be required due to packaging specifications, compliance requirements, or supply chain considerations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | 4PDT |
| Contact Timing | Shorting (MBB) |
| Switch Function | On-On |
| Current Rating | 0.4VA (AC/DC) |
| Voltage Rating - AC | 20V |
| Voltage Rating - DC | 20V |
| Actuator Type | Screwdriver Slot |
| Mounting Type | Through Hole |
| Termination Style | PC Pin |
| Contact Material | Copper Alloy |
| Contact Finish | Gold |
| Operating Temperature Range | -40°C to 80°C |
| Switch Travel | 2.79mm |
| Mechanical Life | 15,000 Cycles |
| Electrical Life | 15,000 Cycles |
| Operating Force | 950gf |
Substitute Part Grouping Explanation
Substitution of the ASF42G with equivalent part number 2-1825011-2 is based on electrical and mechanical parameter equivalence. Both parts share identical specifications across all critical switching parameters: 4PDT circuit configuration, 0.4VA current rating at 20V (AC/DC), screwdriver slot actuator with flush length, through-hole mounting with PC pin termination, copper alloy contacts with gold finish, and identical mechanical and electrical life ratings of 15,000 cycles. Operating temperature range, switch travel distance, and operating force are identical between both parts.
The primary distinction between these parts is packaging format and regulatory compliance status. The ASF42G is supplied in standard packaging with RoHS non-compliant status, while 2-1825011-2 is supplied in tube packaging and carries RoHS3 compliance certification. Both parts are manufactured by TE Connectivity ALCOSWITCH Switches within the ASF series and maintain active product status.
Parameter Comparison
| Parameter | ASF42G | 2-1825011-2 | Match Status |
|---|---|---|---|
| Manufacturer | TE Connectivity ALCOSWITCH Switches | TE Connectivity ALCOSWITCH Switches | Identical |
| Series | ASF | ASF | Identical |
| Circuit Configuration | 4PDT | 4PDT | Identical |
| Contact Timing | Shorting (MBB) | Shorting (MBB) | Identical |
| Switch Function | On-On | On-On | Identical |
| Current Rating | 0.4VA (AC/DC) | 0.4VA (AC/DC) | Identical |
| Voltage Rating - AC | 20V | 20V | Identical |
| Voltage Rating - DC | 20V | 20V | Identical |
| Actuator Type | Screwdriver Slot | Screwdriver Slot | Identical |
| Actuator Length | Flush | Flush | Identical |
| Contact Material | Copper Alloy | Copper Alloy | Identical |
| Contact Finish | Gold | Gold | Identical |
| Mounting Type | Through Hole | Through Hole | Identical |
| Termination Style | PC Pin | PC Pin | Identical |
| Features | Tape Seal | Tape Seal | Identical |
| Operating Temperature | -40°C to 80°C | -40°C to 80°C | Identical |
| Switch Travel | 2.79mm | 2.79mm | Identical |
| Mechanical Life | 15,000 Cycles | 15,000 Cycles | Identical |
| Electrical Life | 15,000 Cycles | 15,000 Cycles | Identical |
| Operating Force | 950gf | 950gf | Identical |
| Product Status | Active | Active | Identical |
| Packaging | Standard | Tube | Different |
| RoHS Status | RoHS non-compliant | RoHS3 Compliant | Different |
| REACH Status | REACH Affected | REACH Unaffected | Different |
Engineering Selection Recommendations
Selection between ASF42G and 2-1825011-2 should be based on regulatory compliance requirements and packaging specifications for the target application.
ASF42G is appropriate for applications where RoHS compliance is not mandated and standard packaging is acceptable. This part carries RoHS non-compliant status and REACH Affected designation.
2-1825011-2 is the appropriate selection for applications requiring RoHS3 compliance certification and REACH compliance. This part is supplied in tube packaging and carries full RoHS3 compliance status with REACH Unaffected designation. Both parts maintain identical electrical and mechanical performance characteristics, ensuring functional interchangeability within compliant applications.
Both parts are manufactured by TE Connectivity ALCOSWITCH Switches and maintain active production status with current inventory availability.
Frequently Asked Questions (FAQ)
Q: Are ASF42G and 2-1825011-2 electrically interchangeable?
A: Yes. Both parts are electrically identical with matching 4PDT circuit configuration, 0.4VA current rating at 20V (AC/DC), identical contact timing (shorting MBB), and equivalent electrical life ratings of 15,000 cycles. They share identical voltage ratings, contact materials, and contact finishes.
Q: What is the primary difference between these two part numbers?
A: The primary differences are packaging format and regulatory compliance status. ASF42G uses standard packaging and carries RoHS non-compliant status, while 2-1825011-2 is supplied in tube packaging and carries RoHS3 compliance certification. Both parts are REACH-designated differently.
Q: Are the mechanical specifications identical?
A: Yes. Both parts have identical mechanical specifications including 2.79mm switch travel, 950gf operating force, 15,000 cycle mechanical life, screwdriver slot actuator with flush length, and through-hole PC pin termination.
Q: Can ASF42G be used in applications requiring RoHS compliance?
A: No. ASF42G carries RoHS non-compliant status. Applications requiring RoHS compliance must use 2-1825011-2, which carries RoHS3 compliance certification.
Q: Do both parts operate within the same temperature range?
A: Yes. Both parts operate within the identical temperature range of -40°C to 80°C.
Q: What is the difference in packaging between these parts?
A: ASF42G is supplied in standard packaging, while 2-1825011-2 is supplied in tube packaging. The choice between packaging formats depends on assembly process requirements and inventory management specifications.
Q: Are both parts currently in production?
A: Yes. Both ASF42G and 2-1825011-2 maintain active product status with current inventory availability from TE Connectivity ALCOSWITCH Switches.
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