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Equivalent & Substitute Parts for 34ASP41B1M1RT
Part Overview
The 34ASP41B1M1RT is an SPDT toggle switch manufactured by Grayhill Inc., rated for 0.4VA at 20V AC/DC. This panel-mount switch features a momentary-off-momentary (Mom-Off-Mom) function with a standard round actuator and solder lug termination. The part is currently active in production with 966 units in stock. Alternative equivalent parts may be required due to supply constraints, design revisions, or application-specific performance requirements.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 34ASP41B1M1RT |
| Manufacturer | Grayhill Inc. |
| Series | 34A |
| Circuit Configuration | SPDT |
| Switch Function | Mom-Off-Mom |
| Current Rating | 0.4VA (AC/DC) |
| Voltage Rating - AC | 20V |
| Voltage Rating - DC | 20V |
| Mounting Type | Panel Mount |
| Panel Cutout Diameter | 6.35mm (Circular) |
| Bushing Thread | 1/4-40 |
| Termination Style | Solder Lug |
| Actuator Type | Standard Round |
| Actuator Length | 10.41mm |
| Operating Temperature Range | -30°C to 85°C |
| Electrical Life | 40,000 Cycles |
| RoHS Status | RoHS Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution eligibility for the 34ASP41B1M1RT is determined by the following critical parameters:
Mechanical Compatibility Requirements:
- Panel cutout diameter: 6.35mm (Circular)
- Bushing thread: 1/4-40
- Mounting type: Panel Mount
- Termination style: Solder Lug
- Actuator type: Standard Round
Electrical Compatibility Requirements:
- Circuit configuration: SPDT
- Switch function: Mom-Off-Mom
- Operating temperature range: -30°C to 85°C
- Electrical life: 40,000 Cycles minimum
Performance Considerations: Substitute parts must maintain or exceed the voltage and current ratings of the original part. The 34ASP41B1M1RT operates at 0.4VA/20V. Substitute parts with higher voltage or current ratings are acceptable for direct replacement, as they provide equivalent or superior performance within the same mechanical envelope and functional specification.
The identified substitute part 7105SYZQE from C&K meets all mechanical compatibility requirements and exceeds electrical performance specifications, making it suitable for direct substitution in applications where the original part is unavailable.
Parameter Comparison
| Parameter | 34ASP41B1M1RT (Grayhill) | 7105SYZQE (C&K) | Compatibility Status |
|---|---|---|---|
| Circuit Configuration | SPDT | SPDT | Compatible |
| Switch Function | Mom-Off-Mom | Mom-Off-Mom | Compatible |
| Current Rating | 0.4VA (AC/DC) | 5A (AC/DC) | Substitute Exceeds |
| Voltage Rating - AC | 20V | 120V | Substitute Exceeds |
| Voltage Rating - DC | 20V | 28V | Substitute Exceeds |
| Mounting Type | Panel Mount | Panel Mount | Compatible |
| Panel Cutout Diameter | 6.35mm (Circular) | 6.35mm (Circular) | Compatible |
| Bushing Thread | 1/4-40 | 1/4-40 | Compatible |
| Termination Style | Solder Lug | Solder Lug | Compatible |
| Actuator Type | Standard Round | Standard Round | Compatible |
| Actuator Length | 10.41mm | 10.67mm | Functionally Compatible |
| Operating Temperature Range | -30°C to 85°C | -30°C to 85°C | Compatible |
| Electrical Life | 40,000 Cycles | 40,000 Cycles | Compatible |
| RoHS Status | RoHS Compliant | ROHS3 Compliant | Compatible |
| Product Status | Active | Active | Compatible |
Engineering Selection Recommendations
Primary Part: 34ASP41B1M1RT
The 34ASP41B1M1RT remains the preferred selection when available. This Grayhill Inc. component is RoHS Compliant, REACH Unaffected, and maintains active production status with adequate inventory (966 units in stock).
Substitute Part: 7105SYZQE
The C&K 7105SYZQE is qualified as a direct substitute when the primary part is unavailable. This part meets all mechanical interface requirements and exceeds electrical performance specifications. The 7105SYZQE is ROHS3 Compliant and REACH Affected, with 1298 units currently in stock. The actuator length differential (10.67mm versus 10.41mm) represents a 0.26mm variation and does not impact functional compatibility within standard panel-mount applications.
Both parts share identical circuit configuration (SPDT), switch function (Mom-Off-Mom), termination style (Solder Lug), and mechanical mounting specifications (6.35mm circular cutout, 1/4-40 bushing thread).
Frequently Asked Questions (FAQ)
Q: Can the 7105SYZQE replace the 34ASP41B1M1RT in all applications?
A: The 7105SYZQE is mechanically and functionally compatible with the 34ASP41B1M1RT. Both parts feature identical panel cutout dimensions (6.35mm circular), bushing thread (1/4-40), circuit configuration (SPDT), and switch function (Mom-Off-Mom). The 7105SYZQE provides superior electrical performance with 5A/120V AC and 28V DC ratings compared to the original 0.4VA/20V specification. The 0.26mm actuator length difference does not affect panel-mount installation.
Q: What are the key mechanical compatibility factors?
A: Mechanical compatibility is determined by panel cutout diameter (6.35mm circular), bushing thread specification (1/4-40), mounting type (panel mount), and termination style (solder lug). Both the 34ASP41B1M1RT and 7105SYZQE meet these requirements identically.
Q: Are there compliance differences between these parts?
A: The 34ASP41B1M1RT is RoHS Compliant and REACH Unaffected. The 7105SYZQE is ROHS3 Compliant and REACH Affected. Both parts carry EAR99 ECCN classification and identical HTSUS codes (8536.50.9065). Selection between these parts may depend on specific regulatory requirements for your application or end market.
Q: What is the significance of the actuator length difference?
A: The 34ASP41B1M1RT has a 10.41mm actuator length while the 7105SYZQE measures 10.67mm. This 0.26mm difference is within standard manufacturing tolerances for panel-mount toggle switches and does not impact functional operation or panel interface compatibility.
Q: Do both parts support the same electrical life specification?
A: Yes. Both the 34ASP41B1M1RT and 7105SYZQE are rated for 40,000 electrical cycles, ensuring equivalent operational durability.
Q: What packaging considerations apply to these parts?
A: The 34ASP41B1M1RT is supplied in standard packaging. The 7105SYZQE is supplied in bulk packaging. Verify packaging requirements for your procurement and assembly processes.
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