Request Quote
(Ships tomorrow)
MB2065LS1W01-BC Equivalent & Substitute Parts
Part Overview
The MB2065LS1W01-BC is a pushbutton switch manufactured by NKK Switches, featuring SPDT (Single Pole Double Throw) circuit configuration with 6A AC / 3A DC current rating and 125V AC / 30V DC voltage rating. This component is classified as obsolete, necessitating identification of equivalent substitute parts for ongoing applications and new designs. The switch employs panel mount rear termination with solder lug connections and epoxy sealed terminals for environmental protection.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Manufacturer Part Number | MB2065LS1W01-BC |
| Manufacturer | NKK Switches |
| Circuit Configuration | SPDT |
| Current Rating (AC) | 6A |
| Current Rating (DC) | 3A |
| Voltage Rating (AC) | 125V |
| Voltage Rating (DC) | 30V |
| Mounting Type | Panel Mount, Rear |
| Termination Style | Solder Lug |
| Panel Cutout Diameter | 6.50mm |
| Operating Temperature Range | -30°C to 85°C |
| Mechanical Life | 100,000 Cycles |
| Electrical Life | 25,000 Cycles |
| RoHS Status | ROHS3 Compliant |
| Product Status | Obsolete |
Substitute Part Grouping Explanation
Substitution eligibility for the MB2065LS1W01-BC is determined by the following critical parameters:
Electrical Compatibility Requirements:
- Circuit configuration must be SPDT
- Current rating must support minimum 6A AC operation
- Voltage rating must support minimum 125V AC and 30V DC operation
Mechanical Compatibility Requirements:
- Mounting type must be Panel Mount, Rear
- Termination style must be Solder Lug
- Panel cutout diameter must accommodate 6.50mm circular opening (or smaller with adapter consideration)
- Actuator type must be Round Button or compatible plunger configuration
Environmental & Compliance Requirements:
- Operating temperature range must encompass -30°C to 85°C or be acceptable for the application's actual operating envelope
- RoHS3 compliance required
- Epoxy sealed terminals or equivalent environmental protection
The following parts meet these substitution criteria: MB2065SS1W01-BC (NKK Switches), 8161SHZQE1 (C&K), 8161SHZQE3 (C&K), MPA106D (TE Connectivity), and MPE106D (TE Connectivity).
Parameter Comparison
| Parameter | MB2065LS1W01-BC | MB2065SS1W01-BC | 8161SHZQE1 | 8161SHZQE3 | MPA106D | MPE106D |
|---|---|---|---|---|---|---|
| Manufacturer | NKK Switches | NKK Switches | C&K | C&K | TE Connectivity | TE Connectivity |
| Circuit | SPDT | SPDT | SPDT | SPDT | SPDT | SPDT |
| Current Rating (AC) | 6A | 6A | 6A | 6A | 6A | 6A |
| Current Rating (DC) | 3A | 3A | 6A | 6A | 4A | 4A |
| Voltage Rating (AC) | 125V | 125V | 120V | 120V | 125V | 125V |
| Voltage Rating (DC) | 30V | 30V | 28V | 28V | 28V | 28V |
| Mounting Type | Panel Mount, Rear | 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 | Solder Lug |
| Panel Cutout Diameter | 6.50mm | 6.50mm | 6.35mm | 6.35mm | 6.35mm | 6.35mm |
| Operating Temperature | -30°C to 85°C | -30°C to 85°C | -30°C to 65°C | -30°C to 65°C | -20°C to 80°C | -20°C to 80°C |
| Electrical Life | 25,000 Cycles | 25,000 Cycles | 50,000 Cycles | 50,000 Cycles | 50,000 Cycles | 50,000 Cycles |
| RoHS Status | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant | ROHS3 Compliant |
| Product Status | Obsolete | Obsolete | Active | Active | Active | Active |
Engineering Selection Recommendations
Primary Recommendation: MB2065SS1W01-BC
The MB2065SS1W01-BC from NKK Switches provides the closest electrical and mechanical match to the MB2065LS1W01-BC. Both components share identical circuit configuration, current ratings, voltage ratings, panel cutout dimensions, and operating temperature range. This substitution requires no design modification and maintains full compatibility with existing panel layouts and electrical specifications.
Secondary Recommendations: 8161SHZQE1 and 8161SHZQE3
The C&K 8161 series switches (8161SHZQE1 with white actuator, 8161SHZQE3 with red actuator) are active products offering enhanced electrical life (50,000 cycles versus 25,000 cycles). These components meet all electrical requirements with 6A AC current rating and 120V AC voltage rating. The panel cutout diameter is 6.35mm, which is 0.15mm smaller than the original specification. Applications with existing 6.50mm panel cutouts may require mechanical adaptation. The operating temperature range is -30°C to 65°C, which is narrower than the original -30°C to 85°C specification and must be evaluated against application requirements.
Tertiary Recommendations: MPA106D and MPE106D
The TE Connectivity ALCOSWITCH switches MPA106D and MPE106D provide active product alternatives with 6A AC current rating and 125V AC voltage rating matching the original specification. DC current rating is 4A, exceeding the original 3A requirement. The MPE106D includes splash proof ingress protection. Panel cutout diameter is 6.35mm, requiring mechanical consideration for existing 6.50mm openings. Operating temperature range is -20°C to 80°C, which is narrower at the lower end (-20°C versus -30°C) and must be evaluated for applications requiring full -30°C operation.
Compliance Status:
All substitute parts maintain ROHS3 compliance. The C&K and TE Connectivity components carry REACH Affected status, whereas the original NKK component is REACH Unaffected. Applications subject to REACH regulatory requirements must account for this distinction.
Frequently Asked Questions (FAQ)
Q: Can MB2065SS1W01-BC directly replace MB2065LS1W01-BC without any modifications?
A: Yes. The MB2065SS1W01-BC is mechanically and electrically identical to the MB2065LS1W01-BC, with matching panel cutout diameter (6.50mm), operating temperature range (-30°C to 85°C), and electrical ratings. No panel modifications or circuit redesign is required.
Q: What is the difference between the C&K 8161SHZQE1 and 8161SHZQE3?
A: Both components are electrically identical SPDT switches with 6A AC current rating and 120V AC voltage rating. The primary difference is actuator color: 8161SHZQE1 features a white button, while 8161SHZQE3 features a red button. Selection depends on application-specific color coding requirements.
Q: Why do the C&K and TE Connectivity substitutes have smaller panel cutout diameters (6.35mm versus 6.50mm)?
A: The 0.15mm difference reflects manufacturing tolerances and design variations between manufacturers. Existing panel cutouts of 6.50mm will accommodate 6.35mm diameter switches. However, panels designed specifically for 6.35mm cutouts cannot accommodate the original 6.50mm diameter without modification.
Q: Are there temperature range limitations with substitute parts?
A: The original MB2065LS1W01-BC operates from -30°C to 85°C. The C&K 8161 series operates from -30°C to 65°C, and the TE Connectivity MPA/MPE series operates from -20°C to 80°C. Applications requiring operation below -20°C or above 80°C must use the original NKK component or MB2065SS1W01-BC. Applications limited to -20°C to 65°C can use any substitute.
Q: What is the significance of electrical life ratings?
A: The original component specifies 25,000 electrical cycles, while all substitute parts specify 50,000 electrical cycles. Higher electrical life indicates extended operational durability. Applications with high switching frequency benefit from the improved ratings of substitute components.
Q: Do REACH Affected substitutes create compliance issues?
A: REACH Affected status indicates the component contains substances of concern requiring regulatory documentation. Applications subject to REACH regulations must maintain appropriate substance declarations. The original MB2065LS1W01-BC is REACH Unaffected, while C&K and TE Connectivity substitutes are REACH Affected. Regulatory compliance requirements must be evaluated for each application.
Q: Can MPA106D and MPE106D be used interchangeably?
A: Yes, electrically and mechanically. Both components share identical SPDT circuit configuration, 6A AC current rating, 125V AC voltage rating, and panel cutout diameter (6.35mm). The MPE106D includes splash proof ingress protection, making it suitable for applications requiring environmental sealing. Selection depends on environmental protection requirements.
Alternative Parts
SJ6012L2TP
Littelfuse Inc.
6 Alternative Parts
JMK107BBJ476MA-RE
Taiyo Yuden
10 Alternative Parts
GMK107BBJ475MA-T
Taiyo Yuden
5 Alternative Parts
SJ6020N2ARP
Littelfuse Inc.
3 Alternative Parts
SJ6025R2ATP
Littelfuse Inc.
4 Alternative Parts
2474-05L
API Delevan Inc.
1 Alternative Parts
4590R-684K
API Delevan Inc.
1 Alternative Parts
CM6560R-334
API Delevan Inc.
1 Alternative Parts
CM6460-104
API Delevan Inc.
1 Alternative Parts
5526-12
API Delevan Inc.
1 Alternative Parts




