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TP32WW03050 Pushbutton Switch SPDT Equivalent & Substitute Parts
Part Overview
The TP32WW03050 is an APEM Inc. pushbutton switch featuring SPDT (Single Pole Double Throw) circuitry with a 0.4VA current rating at 20V AC/DC. This through-hole, right-angle vertical mounted switch is designed for On-Momentary operation with a sealed construction and round plunger actuator marked with a power symbol. The part is currently active in production with 949 units in stock. Equivalent and substitute parts are identified when electrical specifications, mechanical mounting characteristics, and functional parameters align within acceptable tolerances for direct component replacement in circuit applications.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | TP32WW03050 |
| Manufacturer | APEM Inc. |
| Series | TP |
| Circuit Configuration | SPDT |
| Switch Function | On-Mom (Momentary) |
| Current Rating | 0.4VA (AC/DC) |
| Voltage Rating - AC | 20V |
| Voltage Rating - DC | 20V |
| Mounting Type | Through Hole, Right Angle, Vertical |
| Actuator Type | Round, Plunger |
| Termination Style | PC Pin |
| Operating Temperature Range | -30°C to 85°C |
| Electrical Life | 60,000 Cycles |
| RoHS Status | ROHS3 Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitute parts for the TP32WW03050 are qualified based on the following critical parameters that determine functional interchangeability:
- Circuit Configuration: SPDT topology required for equivalent switching functionality
- Current and Voltage Ratings: 0.4VA at 20V AC/DC minimum specification
- Switch Function: On-Momentary operation characteristic
- Mounting Type: Through Hole, Right Angle, Vertical configuration for PCB integration
- Actuator Type: Round plunger design for mechanical compatibility
- Termination Style: PC Pin connection for board-level assembly
- Operating Temperature Range: -30°C to 85°C operational envelope
- RoHS Compliance: ROHS3 Compliant status for regulatory alignment
Two substitute parts meet these criteria: TP12SH9AVBE (C&K) and EP12SD1AVBE (C&K). Both maintain identical electrical specifications, mounting characteristics, and environmental ratings as the primary TP32WW03050 component.
Parameter Comparison
| Parameter | TP32WW03050 (APEM) | TP12SH9AVBE (C&K) | EP12SD1AVBE (C&K) |
|---|---|---|---|
| Circuit Configuration | SPDT | SPDT | SPDT |
| Switch Function | On-Mom | On-Mom | On-Mom |
| Current Rating | 0.4VA (AC/DC) | 0.4VA (AC/DC) | 0.4VA (AC/DC) |
| Voltage Rating - AC | 20V | 20V | 20V |
| Voltage Rating - DC | 20V | 20V | 20V |
| Mounting Type | Through Hole, Right Angle, Vertical | Through Hole, Right Angle, Vertical | Through Hole, Right Angle, Vertical |
| Actuator Type | Round, Plunger | Round, Plunger | Round, Plunger |
| Termination Style | PC Pin | PC Pin | PC Pin |
| Operating Temperature Range | -30°C to 85°C | -30°C to 85°C | -30°C to 85°C |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Electrical Life | 60,000 Cycles | 30,000 Cycles | 30,000 Cycles |
| Ingress Protection | Standard | Standard | IP57 - Dust Protected, Waterproof |
| Packaging | Bulk | Tray | Tray |
Engineering Selection Recommendations
All three parts maintain ROHS3 compliance and active product status, ensuring regulatory alignment and supply chain continuity. The TP32WW03050 offers the highest electrical life rating at 60,000 cycles, compared to 30,000 cycles for both C&K substitutes. The EP12SD1AVBE provides enhanced ingress protection with IP57 rating (dust protected, waterproof), suitable for applications requiring environmental sealing beyond standard sealed construction. The TP12SH9AVBE maintains standard sealed features without enhanced environmental protection. Selection between substitutes depends on application-specific requirements for cycle life and environmental exposure. All parts are REACH Unaffected or REACH Affected, with EAR99 export classification.
Frequently Asked Questions (FAQ)
Q: Can TP12SH9AVBE or EP12SD1AVBE directly replace TP32WW03050 in existing designs?
A: Yes, both C&K parts are direct functional equivalents. All three components share identical SPDT circuit configuration, 0.4VA current rating, 20V voltage rating, through-hole right-angle vertical mounting, round plunger actuator, and PC pin termination. Operating temperature range and RoHS compliance are identical across all three parts.
Q: What is the difference in electrical life between the main part and substitutes?
A: The TP32WW03050 is rated for 60,000 electrical cycles, while both TP12SH9AVBE and EP12SD1AVBE are rated for 30,000 cycles. Applications requiring extended cycle life should prioritize the APEM part. For standard-duty applications, the lower cycle rating of C&K substitutes is acceptable.
Q: When should EP12SD1AVBE be selected over TP12SH9AVBE?
A: EP12SD1AVBE includes IP57 ingress protection (dust protected, waterproof) with epoxy sealed terminals, compared to standard sealed construction in TP12SH9AVBE. Select EP12SD1AVBE for applications exposed to moisture, dust, or harsh environmental conditions.
Q: Are packaging differences significant for component selection?
A: The TP32WW03050 is supplied in bulk packaging, while both C&K substitutes are supplied in tray packaging. Packaging format does not affect electrical or mechanical compatibility but may impact procurement and assembly logistics.
Q: Do all parts meet the same compliance standards?
A: All three parts are ROHS3 compliant with EAR99 export classification. TP32WW03050 and TP12SH9AVBE are REACH Unaffected; EP12SD1AVBE is REACH Affected. Verify REACH compliance requirements for your specific application and end-use region.
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