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KB26MKW01-5C-JC Equivalent & Substitute Parts
Part Overview
The KB26MKW01-5C-JC is a DPDT pushbutton switch manufactured by NKK Switches, designed for panel mount, snap-in applications with illuminated LED indication. This component features a 1A current rating at 125V AC and 30V DC, with a round button actuator and red LED illumination at 1.9VDC nominal. The product is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations where equivalent functionality is required.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | KB26MKW01-5C-JC |
| Manufacturer | NKK Switches |
| Circuit Configuration | DPDT |
| Switch Function | On-On |
| Current Rating | 1A (AC/DC) |
| Voltage Rating - AC | 125V |
| Voltage Rating - DC | 30V |
| Mounting Type | Panel Mount, Snap-In |
| Illumination Type | LED, Red |
| Illumination Voltage | 1.9VDC |
| Actuator Type | Round, Button |
| Panel Cutout Diameter | 12.30mm |
| Operating Temperature Range | -25°C to 50°C |
| Mechanical Life | 100,000 Cycles |
| Electrical Life | 50,000 Cycles |
| Termination Style | Solder Lug |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
The YB26MKW01-5C-JC qualifies as a substitute for the KB26MKW01-5C-JC based on the following alignment of critical electrical and mechanical parameters:
Matching Parameters:
- Circuit configuration: DPDT
- Switch function: On-On
- Voltage rating (AC): 125V
- Voltage rating (DC): 30V
- Mounting type: Panel Mount, Snap-In
- Illumination type and color: LED, Red
- Illumination voltage: 1.9VDC nominal
- Actuator type: Round, Button
- Operating temperature range: -25°C to 50°C
- RoHS compliance: ROHS3 Compliant
Differing Parameters: The YB26MKW01-5C-JC provides enhanced electrical performance with a 3A current rating versus the original 1A rating, increased mechanical life (200,000 cycles vs. 100,000 cycles), and extended electrical life (100,000 cycles vs. 50,000 cycles). The substitute features a larger panel cutout diameter (16.00mm vs. 12.30mm) and offers dual termination options (Solder and Quick Connect 0.110" vs. Solder Lug only). The YB26MKW01-5C-JC is classified as active product status.
Parameter Comparison
| Parameter | KB26MKW01-5C-JC (Main) | YB26MKW01-5C-JC (Substitute) |
|---|---|---|
| Manufacturer | NKK Switches | NKK Switches |
| Circuit Configuration | DPDT | DPDT |
| Switch Function | On-On | On-On |
| Current Rating | 1A (AC/DC) | 3A (AC/DC) |
| Voltage Rating - AC | 125V | 125V |
| Voltage Rating - DC | 30V | 30V |
| Mounting Type | Panel Mount, Snap-In | Panel Mount, Snap-In |
| Illumination Type | LED, Red | LED, Red |
| Illumination Voltage | 1.9VDC | 1.9VDC |
| Actuator Type | Round, Button | Round, Button |
| Panel Cutout Diameter | 12.30mm | 16.00mm |
| Operating Temperature Range | -25°C to 50°C | -25°C to 50°C |
| Mechanical Life | 100,000 Cycles | 200,000 Cycles |
| Electrical Life | 50,000 Cycles | 100,000 Cycles |
| Termination Style | Solder Lug | Solder, Quick Connect - 0.110" (2.8mm) |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Active |
Engineering Selection Recommendations
The YB26MKW01-5C-JC is suitable as a substitute for the obsolete KB26MKW01-5C-JC in applications where the electrical and mechanical parameters align with system requirements. Both components maintain ROHS3 compliance and identical voltage ratings, ensuring regulatory and functional compatibility.
Selection of the YB26MKW01-5C-JC is appropriate when:
- The application circuit can accommodate the higher 3A current rating
- Panel cutout dimensions can be modified to accept the 16.00mm diameter requirement
- Termination compatibility with solder or quick connect options is feasible
- Extended mechanical and electrical life cycles provide system reliability benefits
The active product status of the YB26MKW01-5C-JC ensures ongoing availability and supply chain continuity compared to the obsolete KB26MKW01-5C-JC.
Frequently Asked Questions (FAQ)
Q: Can the YB26MKW01-5C-JC directly replace the KB26MKW01-5C-JC without modifications?
A: Direct replacement requires panel cutout modification. The YB26MKW01-5C-JC requires a 16.00mm diameter cutout versus the original 12.30mm specification. Termination compatibility must be verified against existing circuit board connections.
Q: What is the primary difference in electrical performance between these components?
A: The YB26MKW01-5C-JC provides a 3A current rating compared to the KB26MKW01-5C-JC 1A rating. Both maintain identical voltage specifications (125V AC, 30V DC), ensuring voltage compatibility in equivalent applications.
Q: Are both components compliant with current environmental standards?
A: Both the KB26MKW01-5C-JC and YB26MKW01-5C-JC are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.
Q: What is the significance of the product status difference?
A: The KB26MKW01-5C-JC is classified as obsolete, indicating discontinued manufacturing and limited availability. The YB26MKW01-5C-JC is active product, ensuring reliable supply chain access and ongoing manufacturer support.
Q: How do the mechanical life specifications compare?
A: The YB26MKW01-5C-JC offers 200,000 mechanical cycles versus the KB26MKW01-5C-JC 100,000 cycles, providing extended operational durability. Electrical life extends from 50,000 to 100,000 cycles respectively.
Q: Are the illumination specifications identical between both components?
A: Both components feature LED red illumination at 1.9VDC nominal voltage, ensuring identical visual indication characteristics and lighting circuit compatibility.
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