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KB25SKW01-5F-JF Equivalent & Substitute Parts
Part Overview
The KB25SKW01-5F-JF 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 green LED illumination. The part is currently obsolete, making identification of compatible substitute components essential for ongoing system maintenance and new design implementations.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer | NKK Switches |
| Circuit Configuration | DPDT |
| Switch Function | On-Mom |
| Current Rating | 1A (AC/DC) |
| Voltage Rating - AC | 125V |
| Voltage Rating - DC | 30V |
| Mounting Type | Panel Mount, Front |
| Illumination Type | LED, Green |
| Panel Cutout Diameter | 12.30mm |
| Operating Temperature Range | -25°C to 50°C |
| RoHS Status | ROHS3 Compliant |
Substitute Part Grouping Explanation
The YB25SKW01-5F-JF qualifies as a substitute based on the following alignment of critical parameters:
Matching Parameters:
- DPDT circuit configuration
- On-Mom switch function
- 125V AC voltage rating
- 30V DC voltage rating
- Panel mount, front mounting type
- Green LED illumination
- -25°C to 50°C operating temperature range
- ROHS3 compliance
- Solder lug termination compatibility
Differing Parameters:
- Current rating increased from 1A to 3A
- Panel cutout diameter increased from 12.30mm to 16.00mm
- Mechanical life upgraded from 100,000 to 1,000,000 cycles
- Electrical life upgraded from 50,000 to 100,000 cycles
- Illumination voltage nominal increased from 2.1V to 2.2V DC
- Termination style expanded to include Quick Connect option
- Product status changed from Obsolete to Active
The higher current rating and enhanced mechanical/electrical life of the YB25SKW01-5F-JF represent performance improvements. The larger panel cutout diameter requires mechanical redesign consideration.
Parameter Comparison
| Parameter | KB25SKW01-5F-JF | YB25SKW01-5F-JF |
|---|---|---|
| Manufacturer | NKK Switches | NKK Switches |
| Series | KB | YB |
| 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 |
| Actuator Type | Square, Button | Square, Button |
| Illumination Type, Color | LED, Green | LED, Green |
| Illumination Voltage (Nominal) | 2.1V DC | 2.2V DC |
| Termination Style | Solder Lug | Solder, Quick Connect - 0.110" (2.8mm) |
| Panel Cutout Diameter | 12.30mm | 16.00mm |
| Operating Temperature | -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 |
| MSL Rating | 1 (Unlimited) | 1 (Unlimited) |
| REACH Status | REACH Unaffected | REACH Unaffected |
Engineering Selection Recommendations
The YB25SKW01-5F-JF is an active product with current manufacturing support from NKK Switches, addressing the obsolescence status of the KB25SKW01-5F-JF. Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory alignment.
Selection of the YB25SKW01-5F-JF requires evaluation of mechanical panel integration due to the 16.00mm cutout diameter versus the original 12.30mm specification. The increased current capacity (3A versus 1A) and extended mechanical/electrical life cycles provide enhanced performance margins for applications within the 125V AC / 30V DC operating envelope.
Termination compatibility must be assessed, as the YB25SKW01-5F-JF offers both solder lug and quick connect options, whereas the KB25SKW01-5F-JF is limited to solder lug termination.
Frequently Asked Questions (FAQ)
Q: Can the YB25SKW01-5F-JF directly replace the KB25SKW01-5F-JF without circuit modifications?
A: Electrical compatibility is maintained across the 125V AC and 30V DC voltage ratings and DPDT circuit configuration. The higher current rating of the YB25SKW01-5F-JF (3A) is backward compatible with applications rated for 1A. Mechanical panel integration requires verification due to the increased cutout diameter (16.00mm versus 12.30mm).
Q: What is the impact of the larger panel cutout diameter?
A: The YB25SKW01-5F-JF requires a 16.00mm circular panel cutout compared to 12.30mm for the KB25SKW01-5F-JF. Existing panel designs must be evaluated for modification feasibility. This represents a 3.70mm increase in diameter.
Q: Are the illumination specifications compatible?
A: Both components feature green LED illumination with nominal voltages of 2.1V DC (KB25SKW01-5F-JF) and 2.2V DC (YB25SKW01-5F-JF). This 0.1V difference is within typical LED circuit tolerance ranges and does not require circuit redesign.
Q: What are the termination options for the substitute part?
A: The YB25SKW01-5F-JF provides both solder lug and quick connect (0.110" / 2.8mm) termination options, offering greater flexibility than the KB25SKW01-5F-JF solder lug-only configuration.
Q: How do the mechanical and electrical life ratings compare?
A: The YB25SKW01-5F-JF provides 1,000,000 mechanical cycles and 100,000 electrical cycles, compared to 100,000 mechanical cycles and 50,000 electrical cycles for the KB25SKW01-5F-JF. This represents a 10-fold improvement in mechanical life and a 2-fold improvement in electrical life.
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