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A207SYZQ Toggle Switch DPDT Equivalent & Substitute Parts
Part Overview
The A207SYZQ is a toggle switch manufactured by TE Connectivity ALCOSWITCH Switches, configured as a Double Pole Double Throw (DPDT) panel mount switch rated for 5A at 120V AC. This switch features a standard round actuator with solder lug termination and is part of the Gemini A series. The A207SYZQ is classified as obsolete, necessitating identification of active equivalent components for new designs and ongoing production requirements. Substitute parts must maintain electrical performance specifications and mechanical compatibility while offering current product availability and compliance status.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Circuit Configuration | DPDT (Double Pole Double Throw) |
| Switch Function | On-Off-Mom |
| Current Rating | 5A (AC/DC) |
| Voltage Rating - AC | 120V |
| Voltage Rating - DC | 28V |
| Mounting Type | Panel Mount |
| Actuator Type | Standard Round |
| Actuator Length | 10.41mm |
| Termination Style | Solder Lug |
| Panel Cutout Dimensions | Circular - 6.35mm Dia |
| Bushing Thread | 1/4-40 |
| Electrical Life | 6,000 Cycles |
| Illumination | Non-Illuminated |
| Features | Epoxy Sealed Terminals |
| Series | Gemini A |
Substitute Part Grouping Explanation
Substitution of the A207SYZQ is determined by strict equivalence across the following critical parameters:
Electrical Specifications: Circuit configuration (DPDT), switch function (On-Off-Mom), current rating (5A AC/DC), AC voltage rating (120V), and DC voltage rating (28V) must be identical.
Mechanical Specifications: Mounting type (Panel Mount), actuator type (Standard Round), actuator length (10.41mm), termination style (Solder Lug), panel cutout dimensions (Circular - 6.35mm Dia), and bushing thread (1/4-40) must match exactly.
Performance Characteristics: Electrical life (6,000 Cycles), illumination status (Non-Illuminated), and features (Epoxy Sealed Terminals) must be consistent.
The substitute part 2-1825139-4 satisfies all these criteria while offering active product status and improved compliance certifications.
Parameter Comparison
| Parameter | A207SYZQ (Main Part) | 2-1825139-4 (Substitute) | Match Status |
|---|---|---|---|
| Manufacturer | TE Connectivity ALCOSWITCH Switches | TE Connectivity ALCOSWITCH Switches | Identical |
| Series | Gemini A | Gemini A | Identical |
| Circuit Configuration | DPDT | DPDT | Identical |
| Switch Function | On-Off-Mom | On-Off-Mom | Identical |
| Current Rating | 5A (AC/DC) | 5A (AC/DC) | Identical |
| Voltage Rating - AC | 120V | 120V | Identical |
| Voltage Rating - DC | 28V | 28V | Identical |
| Mounting Type | Panel Mount | Panel Mount | Identical |
| Actuator Type | Standard Round | Standard Round | Identical |
| Actuator Length | 10.41mm | 10.41mm | Identical |
| Termination Style | Solder Lug | Solder Lug | Identical |
| Panel Cutout Dimensions | Circular - 6.35mm Dia | Circular - 6.35mm Dia | Identical |
| Bushing Thread | 1/4-40 | 1/4-40 | Identical |
| Illumination | Non-Illuminated | Non-Illuminated | Identical |
| Features | Epoxy Sealed Terminals | Epoxy Sealed Terminals | Identical |
| Electrical Life | 6,000 Cycles | 6,000 Cycles | Identical |
| Operating Temperature | -20°C ~ 85°C | -30°C ~ 85°C | Substitute has extended lower temperature range |
| Product Status | Obsolete | Active | Substitute is current production |
| RoHS Status | RoHS non-compliant | ROHS3 Compliant | Substitute meets current compliance |
| REACH Status | REACH Unaffected | REACH Affected | Substitute subject to REACH regulations |
Engineering Selection Recommendations
The part 2-1825139-4 is the direct substitute for the obsolete A207SYZQ. Both components are manufactured by TE Connectivity ALCOSWITCH Switches within the Gemini A series and maintain identical electrical and mechanical specifications across all critical parameters.
Product Status Consideration: The A207SYZQ is classified as obsolete, while 2-1825139-4 maintains active product status. This distinction is significant for procurement, as the substitute part ensures ongoing availability and manufacturer support.
Compliance Status: The substitute part 2-1825139-4 is ROHS3 compliant, whereas the main part is RoHS non-compliant. For applications subject to RoHS directives, the substitute part satisfies regulatory requirements. The substitute is also REACH Affected, indicating compliance with REACH regulations, compared to the main part which is REACH Unaffected.
Operating Temperature Range: The substitute part extends the lower operating temperature limit to -30°C, compared to -20°C for the main part. This provides enhanced performance in cold environment applications while maintaining the upper temperature limit of 85°C.
Electrical and Mechanical Equivalence: All electrical parameters (circuit configuration, current rating, voltage ratings, switch function) and mechanical parameters (mounting type, actuator specifications, termination style, panel cutout dimensions, bushing thread) are identical between the two parts, ensuring direct functional interchangeability.
Frequently Asked Questions (FAQ)
Q: Can 2-1825139-4 be used as a direct replacement for A207SYZQ in existing designs?
A: Yes. The substitute part 2-1825139-4 is electrically and mechanically equivalent to A207SYZQ. Both components share identical DPDT circuit configuration, 5A current rating at 120V AC, panel mount configuration, solder lug termination, and all mechanical dimensions. Direct substitution is supported without circuit or mechanical modifications.
Q: What is the difference in operating temperature range between these parts?
A: The A207SYZQ operates from -20°C to 85°C, while 2-1825139-4 operates from -30°C to 85°C. The substitute part provides an extended lower temperature operating range of 10°C, making it suitable for applications requiring operation in colder environments.
Q: Why is the A207SYZQ classified as obsolete?
A: The A207SYZQ is listed as obsolete by the manufacturer. The substitute part 2-1825139-4 is the active equivalent within the Gemini A series and is recommended for all new designs and ongoing production applications.
Q: Are there compliance differences between these parts?
A: Yes. The A207SYZQ is RoHS non-compliant and REACH Unaffected. The substitute part 2-1825139-4 is ROHS3 compliant and REACH Affected. For applications subject to RoHS or REACH regulations, the substitute part satisfies these compliance requirements.
Q: What is the packaging difference between these parts?
A: The A207SYZQ is supplied with standard packaging, while 2-1825139-4 is supplied in bulk packaging. Both parts are available in current inventory.
Q: Are the electrical specifications identical between these parts?
A: Yes. Both parts are rated for 5A at 120V AC and 28V DC, feature DPDT circuit configuration with On-Off-Mom switch function, and maintain 6,000 cycle electrical life. All electrical parameters are identical.
Q: Can these parts be used interchangeably in panel mount applications?
A: Yes. Both parts feature identical panel mount specifications: circular 6.35mm diameter cutout, 1/4-40 bushing thread, 10.41mm standard round actuator length, and solder lug termination. Mechanical interchangeability is complete.
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