EB2065-BE Equivalent & Substitute Parts

Part Overview

The EB2065-BE is an SPDT pushbutton switch manufactured by NKK Switches, rated for 3A at 125V AC. This panel-mount, rear-termination switch is designed for standard on-on switching applications with solder lug connections and epoxy-sealed terminals. The part is currently active in production with 979 units in stock. Substitute parts are identified when equivalent electrical ratings, circuit configuration, and mechanical compatibility parameters align with the original specification.

Substiute Parts

EB2065-BE

NKK SwitchesIn Stock: 1029EB2065-BE Datasheet

Current PartRFQ

1977739-1

TE Connectivity ALCOSWITCH SwitchesIn Stock: 9851977739-1 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

The EB2065-BE has one identified substitute: 1977739-1 from TE Connectivity ALCOSWITCH Switches. This substitution is valid based on the following matching parameters:

• Circuit Configuration: Both parts are SPDT switches
• Switch Function: Both operate as on-on switches
• Current Rating: Both rated for 3A AC
• Voltage Rating: Both rated for 125V AC
• Mounting Type: Both are panel mount, rear-termination designs
• Termination Style: Both use solder lug connections
• Electrical Life: Both rated for 25,000 cycles
• Compliance: Both are ROHS3 compliant with MSL 1 (Unlimited)

Parameter Comparison

Engineering Selection Recommendations

Both the EB2065-BE and 1977739-1 are active production parts with equivalent electrical and mechanical specifications. Selection between these parts should be based on:

• Availability: Both parts maintain substantial inventory levels (979 and 964 units respectively)
• Compliance: Both meet ROHS3 requirements and carry identical ECCN and HTSUS classifications
• Operating Environment: The 1977739-1 supports a wider temperature range (-20°C to 80°C versus -10°C to 70°C), making it suitable for applications requiring extended thermal performance
• Mechanical Life: The EB2065-BE specifies 100,000 mechanical cycles; the 1977739-1 does not provide this specification
• Actuator Design: The EB2065-BE features a round button actuator; the 1977739-1 uses a plunger-type actuator

Frequently Asked Questions (FAQ)

Q: Can 1977739-1 directly replace EB2065-BE in existing designs?

A: Yes, for applications where the electrical specifications (3A, 125V AC, SPDT on-on function) and mechanical interface (panel mount, rear solder lug termination) are the primary requirements. Physical actuator differences (round button versus plunger) may affect user interface feel but do not impact electrical compatibility.

Q: What is the significance of the wider operating temperature range in 1977739-1?

A: The 1977739-1 operates from -20°C to 80°C compared to the EB2065-BE range of -10°C to 70°C. This extended range makes the 1977739-1 suitable for applications exposed to more extreme thermal conditions.

Q: Are there differences in mechanical durability between these parts?

A: The EB2065-BE specifies 100,000 mechanical cycles. The 1977739-1 does not provide a mechanical life specification in the available data. For applications requiring documented mechanical life ratings, the EB2065-BE should be verified against specific duty cycle requirements.

Q: Do both parts meet the same regulatory standards?

A: Yes. Both parts are ROHS3 compliant, carry MSL 1 (Unlimited) ratings, share identical ECCN (EAR99) and HTSUS (8536.50.9033) classifications, and are classified as REACH Unaffected or Vendor Undefined respectively.

Q: What packaging format is available for both parts?

A: Both parts are supplied in bulk packaging, suitable for direct integration into manufacturing processes or component inventory systems.