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KB25SKW01-5C-JC Equivalent & Substitute Parts
Part Overview
The KB25SKW01-5C-JC is a pushbutton switch manufactured by NKK Switches, featuring DPDT (Double Pole Double Throw) circuit configuration with illuminated panel mount design. This component is rated for 1A at 125V AC and 30V DC, with red LED illumination at 1.9VDC nominal. The part 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 | NKK Switches |
| Circuit Configuration | DPDT |
| Switch Function | On-Mom (Momentary) |
| Current Rating | 1A (AC/DC) |
| Voltage Rating - AC | 125V |
| Voltage Rating - DC | 30V |
| Mounting Type | Panel Mount, Front |
| Illumination Type | LED, Red |
| Illumination Voltage | 1.9VDC |
| Actuator Type | Square, Button |
| Termination Style | Solder Lug |
| Panel Cutout Diameter | 12.30mm |
| Operating Temperature Range | -25°C to 50°C |
| Mechanical Life | 100,000 Cycles |
| Electrical Life | 50,000 Cycles |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
Substitution eligibility for the KB25SKW01-5C-JC is determined by the following critical parameters:
Circuit configuration must remain DPDT to maintain electrical functionality. Switch function must be On-Mom (momentary) to preserve operational behavior. Voltage ratings must meet or exceed the original specifications: 125V AC minimum and 30V DC minimum. Mounting type must be Panel Mount, Front to ensure mechanical compatibility with existing panel cutouts and installation requirements. Illumination characteristics including LED color (red) and nominal voltage (1.9VDC) must match to maintain visual consistency and electrical integration.
The YB25SKW01-5C-JC qualifies as a substitute based on these core parameters. While this part exhibits higher current rating (3A versus 1A), larger panel cutout diameter (16.00mm versus 12.30mm), and enhanced mechanical/electrical life specifications, it maintains all critical substitution criteria: identical DPDT circuit, On-Mom function, matching voltage ratings, Panel Mount Front configuration, and identical LED red illumination at 1.9VDC nominal.
Parameter Comparison
| Parameter | KB25SKW01-5C-JC (Main) | YB25SKW01-5C-JC (Substitute) |
|---|---|---|
| Manufacturer | NKK Switches | NKK Switches |
| Product Status | Obsolete | Active |
| Circuit Configuration | DPDT | DPDT |
| Switch Function | On-Mom | On-Mom |
| Current Rating (AC/DC) | 1A | 3A |
| Voltage Rating - AC | 125V | 125V |
| Voltage Rating - DC | 30V | 30V |
| Mounting Type | Panel Mount, Front | Panel Mount, Front |
| Illumination Type, Color | LED, Red | LED, Red |
| Illumination Voltage (Nominal) | 1.9VDC | 1.9VDC |
| Actuator Type | Square, Button | Square, Button |
| Operating Temperature Range | -25°C to 50°C | -25°C to 50°C |
| Mechanical Life | 100,000 Cycles | 1,000,000 Cycles |
| Electrical Life | 50,000 Cycles | 100,000 Cycles |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The YB25SKW01-5C-JC is an active product from NKK Switches and represents a direct functional substitute for the obsolete KB25SKW01-5C-JC. Both components maintain ROHS3 compliance and REACH unaffected status, satisfying regulatory requirements for current manufacturing and deployment.
Selection of the YB25SKW01-5C-JC provides enhanced reliability characteristics through increased mechanical life (1,000,000 cycles versus 100,000 cycles) and electrical life (100,000 cycles versus 50,000 cycles). The higher current rating (3A versus 1A) ensures compatibility with applications requiring greater switching capacity without exceeding the original voltage specifications.
Panel cutout diameter differences (16.00mm for YB25SKW01-5C-JC versus 12.30mm for KB25SKW01-5C-JC) require mechanical evaluation for existing panel installations. Termination style differences (Quick Connect 0.110" for YB25SKW01-5C-JC versus Solder Lug for KB25SKW01-5C-JC) necessitate electrical connection assessment during integration.
Frequently Asked Questions (FAQ)
Q: Can YB25SKW01-5C-JC replace KB25SKW01-5C-JC in existing applications?
A: Yes, provided that panel cutout dimensions and termination style compatibility are confirmed. The YB25SKW01-5C-JC maintains identical circuit configuration (DPDT), switch function (On-Mom), voltage ratings (125V AC / 30V DC), and illumination specifications (LED red, 1.9VDC). Panel cutout diameter increases from 12.30mm to 16.00mm, requiring mechanical verification for existing installations.
Q: What are the key differences between these two parts?
A: Current rating increases from 1A to 3A. Mechanical life increases from 100,000 to 1,000,000 cycles. Electrical life increases from 50,000 to 100,000 cycles. Panel cutout diameter increases from 12.30mm to 16.00mm. Termination style changes from Solder Lug to Solder with Quick Connect 0.110" (2.8mm). Product status changes from Obsolete to Active.
Q: Are there packaging differences between KB25SKW01-5C-JC and YB25SKW01-5C-JC?
A: The main part number KB25SKW01-5C-JC does not specify packaging details in available documentation. The substitute YB25SKW01-5C-JC is supplied in Bulk packaging. Confirm packaging requirements with your procurement specifications.
Q: Do both parts meet current regulatory compliance standards?
A: Yes. Both KB25SKW01-5C-JC and YB25SKW01-5C-JC are ROHS3 compliant and REACH unaffected, satisfying current regulatory requirements for electronic component manufacturing and deployment.
Q: What is the impact of the higher current rating on circuit design?
A: The YB25SKW01-5C-JC 3A rating exceeds the original 1A specification. This provides design margin for applications operating at or below 1A. No circuit modifications are required for direct substitution in applications within the original 1A specification.
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