M2012TXG13-DA Equivalent & Substitute Parts

Part Overview

The NKK Switches M2012TXG13-DA is a rocker switch with SPDT circuit configuration rated for 0.4VA at 28V AC/DC. This through-hole mounted component features a concave black actuator with PC pin termination and epoxy sealed terminals. The product is obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs requiring similar functionality.

Key Parameters

Parameter	Value
Manufacturer Part Number	M2012TXG13-DA
Manufacturer	NKK Switches
Circuit Configuration	SPDT
Switch Function	On-On
Current Rating	0.4VA (AC/DC)
Voltage Rating - AC	28V
Voltage Rating - DC	28V
Mounting Type	Through Hole
Actuator Type	Concave (Standard V)
Actuator Color	Black
Termination Style	PC Pin
Operating Temperature Range	-30°C to 85°C
Electrical Life	50,000 Cycles
Mechanical Life	50,000 Cycles
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the M2012TXG13-DA is determined by the following critical parameters: SPDT circuit configuration, On-On switch function, through-hole mounting, PC pin termination, concave black actuator, and operating temperature range of -30°C to 85°C. Voltage and current ratings establish compatibility boundaries. Parts are grouped into two categories:

Direct Equivalents (Manufacturer Recommended): Parts maintaining identical or superior electrical ratings (28V, 0.4VA minimum) with matching mechanical specifications.

Functional Equivalents (Similar Specifications): Parts with SPDT configuration and through-hole mounting that operate within the same temperature range but may have different voltage or current ratings. These are suitable where application voltage and current requirements permit higher ratings.

Parameter Comparison

Part Number	Manufacturer	Circuit	Current Rating	Voltage AC	Voltage DC	Mounting	Actuator	Termination	Temp Range	Electrical Life	Status
M2012TXG13-DA	NKK Switches	SPDT	0.4VA	28V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	50,000	Obsolete
MN12TXG13-DA	NKK Switches	—	—	—	—	—	—	—	—	—	Active
7101J1V3BE2	C&K	SPDT	0.4VA	20V	20V	Through Hole	Concave Black	PC Pin	-30 to 85°C	100,000	Active
B123J71V3B2	Electroswitch	SPDT	0.5VA	28V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	60,000	Active
300SP1J1BLKVS2QE	E-Switch	SPDT	5A	120V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	40,000	Active
B123J71V3G2	Electroswitch	SPDT	6A	125V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	60,000	Active
B123J71V3Q2	Electroswitch	SPDT	6A	125V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	60,000	Active
E101J1V3GE2	C&K	SPDT	7.5A	125V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	40,000	Active
E101J1V3QE2	C&K	SPDT	7.5A	125V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	40,000	Active
E101J1V3RE2	C&K	SPDT	7.5A	125V	28V	Through Hole	Concave Black	PC Pin	-30 to 85°C	40,000	Active

Engineering Selection Recommendations

Primary Recommendation: MN12TXG13-DA (NKK Switches) — Manufacturer-recommended equivalent with active product status. Maintains NKK Switches platform continuity and ROHS3 compliance.

Closest Functional Match: B123J71V3B2 (Electroswitch) — Matches 28V voltage rating and 0.4VA/0.5VA current range with identical mechanical configuration. Active status and RoHS compliance ensure long-term availability. Electrical life of 60,000 cycles exceeds the original specification.

Higher Current Capacity Options: B123J71V3G2, B123J71V3Q2 (Electroswitch), E101J1V3GE2, E101J1V3QE2, E101J1V3RE2 (C&K) — Suitable for applications requiring higher current handling (6A to 7.5A) at 125V AC while maintaining 28V DC compatibility. All feature active status and extended electrical life ratings.

Lower Voltage Alternative: 7101J1V3BE2 (C&K) — Operates at 20V AC/DC with 0.4VA rating and 100,000-cycle electrical life. Appropriate for 20V systems where voltage derating is acceptable.

Higher Voltage/Current Option: 300SP1J1BLKVS2QE (E-Switch) — Rated for 5A at 120V AC with 28V DC support. Suitable for applications requiring higher AC voltage capability.

All substitute parts maintain through-hole mounting, PC pin termination, concave black actuator configuration, and -30°C to 85°C operating temperature range. Selection should be based on specific application voltage and current requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part rated for higher voltage and current than the original M2012TXG13-DA?

A: Yes. Parts rated for higher voltage and current ratings are electrically compatible in applications operating at or below the original 28V and 0.4VA specifications. The substitute will operate safely at lower stress levels. Verify that the mechanical footprint and PC pin configuration match your PCB layout.

Q: What is the difference between the MN12TXG13-DA and M2012TXG13-DA?

A: The MN12TXG13-DA is the manufacturer-recommended active equivalent. Specific parameter differences are not provided in the available data. Contact NKK Switches for detailed technical comparison.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts are RoHS3 compliant or RoHS compliant, matching the original part's environmental standards.

Q: Can I use the 7101J1V3BE2 (20V rated) in a 28V application?

A: No. The 7101J1V3BE2 is rated for maximum 20V AC/DC operation. Using it in a 28V circuit exceeds its voltage rating and creates reliability and safety risks.

Q: What is the packaging difference between Tray and Bulk options?

A: Tray packaging provides organized component presentation suitable for automated assembly. Bulk packaging offers cost efficiency for high-volume procurement. Both formats contain the same electrical and mechanical specifications.

Q: Which substitute offers the longest electrical life?

A: The 7101J1V3BE2 (C&K) provides 100,000 electrical cycles, double the original M2012TXG13-DA specification of 50,000 cycles.

Q: Are the panel cutout dimensions identical across all substitutes?

A: Panel cutout dimensions are not uniformly specified across all parts. C&K parts (7101 and E101 series) specify rectangular cutouts of 17.96mm x 10.62mm. Verify mechanical compatibility with your enclosure design before final selection.

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