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APEM Inc. 13435A Equivalent & Substitute Parts
Part Overview
The APEM Inc. 13435A is an SPDT pushbutton switch rated for 4A at 125V AC and 30V DC, designed for panel mount rear installation with a plunger actuator and solder lug termination. This component is Active status and RoHS3 compliant. Equivalent parts may be required due to inventory constraints, application-specific packaging needs, or regional availability considerations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | 13435A |
| Manufacturer | APEM Inc. |
| Circuit Configuration | SPDT |
| Switch Function | On-Mom |
| Current Rating | 4A (AC/DC) |
| Voltage Rating - AC | 125V |
| Voltage Rating - DC | 30V |
| Mounting Type | Panel Mount, Rear |
| Termination Style | Solder Lug |
| Panel Cutout Dimensions | Circular - 6.50mm Dia |
| Operating Temperature Range | -40°C ~ 85°C |
| Electrical Life | 50,000 Cycles |
| RoHS Status | RoHS3 Compliant |
| Product Status | Active |
Substitute Part Grouping Explanation
Substitution eligibility for the 13435A is determined by the following critical parameters:
Circuit Configuration: All substitute parts must maintain SPDT circuit topology to preserve switching functionality.
Switch Function: On-Mom operation must be preserved across all substitutes.
Termination Style: Solder lug termination is required for direct PCB integration compatibility.
Mounting Type: Panel mount rear installation must be maintained.
Current and Voltage Ratings: Substitute parts must meet or exceed the 4A/125V AC and 30V DC ratings of the main part to ensure safe operation in the original application.
Panel Cutout Dimensions: The circular 6.50mm diameter cutout specification limits mechanical compatibility to parts with matching or smaller panel cutout requirements.
Compliance: RoHS3 compliance is mandatory for all substitutes.
The C&K 8168SHZGE2, 8168SHZQE2, and 8168S2HZQE1 parts meet these criteria with 6A current ratings and 120V AC ratings, providing electrical headroom above the original specification. The C&K 8121SDZGE operates at reduced current (1A) and is suitable only for applications where the lower current rating is acceptable.
Parameter Comparison
| Parameter | 13435A (APEM) | 8168SHZGE2 (C&K) | 8168SHZQE2 (C&K) | 8168S2HZQE1 (C&K) | 8121SDZGE (C&K) |
|---|---|---|---|---|---|
| Circuit Configuration | SPDT | SPDT | SPDT | SPDT | SPDT |
| Switch Function | On-Mom | On-Mom | On-Mom | On-Mom | On-Mom |
| Current Rating (AC/DC) | 4A | 6A | 6A | 6A | 1A |
| Voltage Rating - AC | 125V | 120V | 120V | 120V | 120V |
| Voltage Rating - DC | 30V | 28V | 28V | 28V | 28V |
| Mounting Type | Panel Mount, Rear | Panel Mount, Rear | Panel Mount, Rear | Panel Mount, Rear | Panel Mount, Rear |
| Termination Style | Solder Lug | Solder Lug | Solder Lug | Solder Lug | Solder Lug |
| Panel Cutout Dimensions | Circular - 6.50mm Dia | Circular - 6.35mm Dia | Circular - 6.35mm Dia | Circular - 6.35mm Dia | Circular - 6.35mm Dia |
| Operating Temperature Range | -40°C ~ 85°C | -30°C ~ 65°C | -30°C ~ 65°C | -30°C ~ 65°C | -30°C ~ 75°C |
| Electrical Life | 50,000 Cycles | 50,000 Cycles | 50,000 Cycles | 50,000 Cycles | 60,000 Cycles |
| RoHS Status | RoHS3 Compliant | RoHS3 Compliant | RoHS3 Compliant | RoHS3 Compliant | RoHS3 Compliant |
| Product Status | Active | Active | Active | Active | Active |
| Packaging | Bulk | Bulk | Bulk | Tray | Bulk |
Engineering Selection Recommendations
Primary Substitutes (8168SHZGE2, 8168SHZQE2, 8168S2HZQE1): These C&K parts are functionally equivalent with superior current ratings (6A vs. 4A). All three maintain SPDT configuration, On-Mom operation, solder lug termination, and panel mount rear installation. The 8168SHZGE2 and 8168SHZQE2 are available in bulk packaging, while 8168S2HZQE1 is supplied in tray packaging. All are RoHS3 compliant and Active status. Panel cutout dimensions are slightly smaller (6.35mm vs. 6.50mm), which is mechanically compatible with the original specification. Operating temperature range is narrower (-30°C to 65°C vs. -40°C to 85°C), requiring verification against application requirements.
Secondary Substitute (8121SDZGE): This C&K part maintains circuit configuration and termination compatibility but operates at 1A current rating, significantly below the original 4A specification. This part is suitable only for applications where the reduced current capacity is acceptable. It offers extended operating temperature range (-30°C to 75°C) and higher electrical life (60,000 cycles). RoHS3 compliant and Active status.
All substitute parts are RoHS3 compliant and carry Active product status, ensuring regulatory compliance and continued manufacturer support.
Frequently Asked Questions (FAQ)
Q: Can the C&K 8168SHZGE2 directly replace the APEM 13435A?
A: The 8168SHZGE2 is electrically and mechanically compatible. Both maintain SPDT configuration, On-Mom operation, solder lug termination, and panel mount rear installation. The 8168SHZGE2 provides higher current capacity (6A vs. 4A) and operates within a narrower temperature range (-30°C to 65°C vs. -40°C to 85°C). Panel cutout dimensions are slightly smaller (6.35mm vs. 6.50mm), which is compatible with the original specification.
Q: What is the difference between the three primary C&K substitutes?
A: The 8168SHZGE2, 8168SHZQE2, and 8168S2HZQE1 are electrically identical with 6A current ratings and 120V AC ratings. The primary differences are packaging format (bulk vs. tray) and actuator color (black for 8168SHZGE2 and 8168SHZQE2, white for 8168S2HZQE1). All three are RoHS3 compliant and Active status.
Q: Why is the C&K 8121SDZGE listed as a substitute if it has only 1A current rating?
A: The 8121SDZGE maintains the core SPDT circuit configuration, On-Mom operation, solder lug termination, and panel mount rear installation required for substitution. However, its 1A current rating is substantially lower than the original 4A specification. This part is suitable only for applications where the reduced current capacity meets design requirements.
Q: Are there temperature range considerations for substitution?
A: The primary C&K substitutes operate within -30°C to 65°C, which is narrower than the original 13435A range of -40°C to 85°C. Applications requiring operation below -30°C or above 65°C must retain the original APEM part or conduct thermal analysis to confirm the substitute is suitable.
Q: Does packaging format affect electrical performance?
A: No. The 8168S2HZQE1 supplied in tray packaging is electrically identical to the bulk-packaged 8168SHZGE2 and 8168SHZQE2. Packaging format affects only handling, storage, and logistics considerations.
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