M2012TXW41-DA Rocker Switch SPDT Equivalent & Substitute Parts

Part Overview

The M2012TXW41-DA is an NKK Switches rocker switch with SPDT (Single Pole Double Throw) configuration rated for 6A AC at 125V and 4A DC at 30V. This through-hole, right-angle vertical mount switch features epoxy sealed PC pin terminals and operates across -30°C to 85°C. The product is obsolete, making equivalent and substitute parts necessary for ongoing design support and component sourcing.

Key Parameters

Parameter	M2012TXW41-DA
Manufacturer	NKK Switches
Circuit Configuration	SPDT
Switch Function	On-On
Current Rating (AC)	6A
Current Rating (DC)	4A
Voltage Rating (AC)	125V
Voltage Rating (DC)	30V
Mounting Type	Through Hole, Right Angle, Vertical
Actuator Type	Concave (Standard V)
Actuator Color	Black
Termination Style	PC Pin
Operating Temperature	-30°C to 85°C
Mechanical Life	50,000 Cycles
Electrical Life	25,000 Cycles
RoHS Status	ROHS3 Compliant
Approvals	CSA, UL
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the M2012TXW41-DA is determined by the following critical parameters: circuit configuration (SPDT), switch function (On-On), current and voltage ratings, mounting type (through-hole right-angle vertical), actuator type (concave standard V), termination style (PC pin), and operating temperature range (-30°C to 85°C).

Substitute parts are grouped into two categories based on electrical performance alignment:

Category 1: Full Electrical Equivalents (5A/120V AC-DC Rating) Parts meeting or exceeding the primary electrical specifications with equivalent mechanical form factor. These include 300SP1J1BLKM7QE (E-Switch), 7101J1AV2GE2 (C&K), 7101J1AV2QE2 (C&K), and 7101J1AV3QE2 (C&K). These parts maintain SPDT configuration, on-on function, through-hole right-angle vertical mounting, black concave actuators, PC pin termination, and -30°C to 85°C operating range.

Category 2: Lower Voltage/Current Alternatives (0.4VA/20V AC-DC Rating) Parts with reduced electrical ratings suitable for lower-power applications. These include 300SP1J1BLKM7RE (E-Switch), 7101J1AV2BE2 (C&K), 7101J1AV2PE2 (C&K), 7101J1AV3BE2 (C&K), and 7101J1AV3BE3 (C&K). These maintain identical mechanical and functional characteristics but operate at 0.4VA/20V AC-DC.

The MN12TXW41-DA (NKK Switches) is listed as the manufacturer-recommended substitute but lacks detailed electrical specifications in available data.

Parameter Comparison

Part Number	Manufacturer	Circuit	Current (AC/DC)	Voltage AC	Voltage DC	Mounting	Actuator Color	Termination	Temp Range	Electrical Life	Status
M2012TXW41-DA	NKK Switches	SPDT	6A / 4A	125V	30V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	25,000	Obsolete
300SP1J1BLKM7QE	E-Switch	SPDT	5A / 5A	120V	28V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	40,000	Active
7101J1AV2GE2	C&K	SPDT	5A / 5A	120V	28V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	100,000	Active
7101J1AV2QE2	C&K	SPDT	5A / 5A	120V	28V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	100,000	Active
7101J1AV3QE2	C&K	SPDT	5A / 5A	120V	28V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	100,000	Active
300SP1J1BLKM7RE	E-Switch	SPDT	0.4VA / 0.4VA	20V	20V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	40,000	Active
7101J1AV2BE2	C&K	SPDT	0.4VA / 0.4VA	20V	20V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	100,000	Active
7101J1AV2PE2	C&K	SPDT	0.4VA / 0.4VA	20V	20V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	100,000	Active
7101J1AV3BE2	C&K	SPDT	0.4VA / 0.4VA	20V	20V	Through Hole, Right Angle, Vertical	Black	PC Pin	-30°C to 85°C	100,000	Active
7101J1AV3BE3	C&K	SPDT	0.4VA / 0.4VA	20V	20V	Through Hole, Right Angle, Vertical	Red	PC Pin	-30°C to 85°C	100,000	Active

Engineering Selection Recommendations

For applications requiring electrical performance equivalent to the M2012TXW41-DA (6A AC / 4A DC at 125V / 30V), select from the 5A/120V AC-DC category: 300SP1J1BLKM7QE, 7101J1AV2GE2, 7101J1AV2QE2, or 7101J1AV3QE2. All are active products with current manufacturing support and extended electrical life ratings (40,000 to 100,000 cycles).

The C&K 7000 series parts (7101J1AV2GE2, 7101J1AV2QE2, 7101J1AV3QE2) offer superior electrical life (100,000 cycles) and cULus certification. The E-Switch 300 series (300SP1J1BLKM7QE) provides equivalent performance with 40,000 cycle electrical life.

For reduced-power applications operating at 0.4VA/20V AC-DC, the 0.4VA/20V category parts are suitable. The C&K variants provide 100,000 cycle electrical life. The 7101J1AV3BE3 features a red actuator for visual differentiation if required.

All substitute parts maintain through-hole right-angle vertical mounting, PC pin termination, -30°C to 85°C operating range, and ROHS3 compliance. Mechanical form factor compatibility with the original M2012TXW41-DA panel cutout should be verified during design integration.

Frequently Asked Questions (FAQ)

Q: Can the 5A/120V substitute parts directly replace the M2012TXW41-DA in all applications?

A: The 5A/120V parts (300SP1J1BLKM7QE, 7101J1AV2GE2, 7101J1AV2QE2, 7101J1AV3QE2) are electrically compatible for applications operating at or below 5A AC/DC and 120V AC / 28V DC. The original part rated 6A AC / 4A DC at 125V AC / 30V DC. Applications requiring the full original current or voltage ratings must use parts from the 5A/120V category or higher. Panel cutout dimensions should be verified for mechanical fit.

Q: What is the difference between the C&K 7101J1AV2 and 7101J1AV3 series?

A: Both series maintain identical electrical and mechanical specifications. The designation difference reflects internal design variants. Both offer 100,000 cycle electrical life and cULus certification. Selection between them depends on availability and packaging requirements (tray vs. bulk).

Q: Are the 0.4VA/20V parts suitable for the original M2012TXW41-DA application?

A: The 0.4VA/20V parts are suitable only for applications with reduced power requirements. They cannot support the original 6A AC / 4A DC or even the 5A AC/DC substitute ratings. Use these parts only when application requirements are confirmed to operate at 0.4VA maximum and 20V maximum.

Q: What certifications apply to substitute parts?

A: The original M2012TXW41-DA carries CSA and UL approvals. The C&K 7000 series substitutes carry cULus certification. The E-Switch 300 series does not list approval agencies in provided data. Certification requirements for the target application must be confirmed before final part selection.

Q: How do packaging options affect substitution?

A: The original M2012TXW41-DA is supplied in tray packaging. Substitute parts are available in bulk or tray packaging. Packaging selection affects inventory management and component handling but does not impact electrical or mechanical performance. Verify packaging availability with suppliers for production requirements.

Q: What is the mechanical life difference between the original and substitutes?

A: The original M2012TXW41-DA specifies 50,000 mechanical cycles. Substitute parts do not provide mechanical life data in available specifications. Electrical life ratings are provided (25,000 cycles original; 40,000 to 100,000 cycles for substitutes). For applications with high cycle count requirements, the extended electrical life of C&K substitutes provides additional margin.

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