AV32023-A Snap Action Switch SPDT Equivalent & Substitute Parts

Part Overview

The Panasonic Electric Works AV32023-A is an active-status snap action switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 3A at 125V AC and 30V DC. This chassis-mount component features a round pin plunger actuator with solder lug termination and is designed for momentary on-off switching applications. The part is RoHS compliant and rated for 50,000 electrical cycles and 500,000 mechanical cycles across an operating temperature range of -25°C to 85°C.

Substitute parts are necessary when the original AV32023-A becomes unavailable, when alternative termination styles are required for specific assembly processes, or when enhanced performance specifications (higher current ratings, extended temperature ranges, or increased mechanical life) are needed for application requirements.

Key Parameters

Parameter	Value
Manufacturer Part Number	AV32023-A
Manufacturer	Panasonic Electric Works
Circuit Configuration	SPDT
Switch Function	On-Mom (Momentary)
Current Rating	3A (AC/DC)
Voltage Rating - AC	125V
Voltage Rating - DC	30V
Actuator Type	Round (Pin Plunger)
Mounting Type	Chassis Mount
Termination Style	Solder Lug
Operating Force	50gf
Release Force	7.546gf
Operating Position	0.330" (8.4mm)
Operating Temperature Range	-25°C to 85°C
Electrical Life	50,000 Cycles
Mechanical Life	500,000 Cycles
RoHS Status	RoHS Compliant
Product Status	Active

Substitute Part Grouping Explanation

Substitution eligibility for the AV32023-A is determined by the following critical parameters:

Primary Compatibility Criteria:

Circuit configuration must be SPDT
Switch function must be On-Mom (momentary)
Actuator type must be Round (Pin Plunger)
Mounting type must be Chassis Mount
Operating position must be 0.330" (8.4mm)
RoHS compliance status must match or exceed the original

Electrical Compatibility Criteria:

Current rating must be equal to or greater than 3A
AC voltage rating must be equal to or greater than 125V
DC voltage rating must be equal to or greater than 30V

Mechanical Compatibility Criteria:

Mechanical life must be equal to or greater than 500,000 cycles
Operating temperature range must encompass or exceed -25°C to 85°C
Termination style may vary (solder lug, solder turret, or quick connect) based on assembly requirements

Acceptable Substitute Categories:

Direct Electrical Equivalents (3A, 125V AC, 30V DC): 11SM303-T2, 11SM76-T, 11SM77-H58
Higher Current Capacity (5A, 250V AC, 30V DC): 11SM1-T2, 11SM1-T, 11SM3-H58, 11SM8849-H58, 11SM703-T
Lower Current Capacity (100mA, 125V AC, 30V DC): 11SM1077-H58, 11SM1777-T

Substitutes with obsolete product status (11SM1077-H58) are listed for reference but should be avoided for new designs.

Parameter Comparison

Part Number	Manufacturer	Circuit	Current Rating	Voltage AC	Voltage DC	Actuator	Mounting	Termination	Operating Position	Temp Range	Mechanical Life	Product Status	RoHS
AV32023-A	Panasonic Electric Works	SPDT	3A	125V	30V	Round Pin Plunger	Chassis Mount	Solder Lug	0.330" (8.4mm)	-25°C to 85°C	500,000	Active	Compliant
11SM1-T2	Honeywell Sensing and Productivity Solutions	SPDT	5A	250V	30V	Round Pin Plunger	Chassis Mount	Solder Turret	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
11SM1077-H58	Honeywell Sensing and Productivity Solutions	SPDT	100mA	125V	30V	Round Pin Plunger	Chassis Mount	Quick Connect - 0.058"	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Obsolete	Compliant
11SM1777-T	Honeywell Sensing and Productivity Solutions	SPDT	100mA	125V	30V	Round Pin Plunger	Chassis Mount	Solder Turret	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
11SM3-H58	Honeywell Sensing and Productivity Solutions	SPDT	5A	250V	30V	Round Pin Plunger	Chassis Mount	Quick Connect - 0.058"	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
11SM303-T2	Honeywell Sensing and Productivity Solutions	SPDT	1A	125V	30V	Round Pin Plunger	Chassis Mount	Solder Turret	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
11SM703-T	Honeywell Sensing and Productivity Solutions	SPDT	4A (AC), 5A (DC)	250V	30V	Round Pin Plunger	Chassis Mount	Solder Turret	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
11SM76-T	Honeywell Sensing and Productivity Solutions	SPDT	1A	125V	30V	Round Pin Plunger	Chassis Mount	Solder Turret	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
11SM77-H58	Honeywell Sensing and Productivity Solutions	SPDT	1A	125V	30V	Round Pin Plunger	Chassis Mount	Quick Connect - 0.058"	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
11SM8849-H58	Honeywell Sensing and Productivity Solutions	SPDT	5A	250V	30V	Round Pin Plunger	Chassis Mount	Quick Connect - 0.058"	0.330" (8.4mm)	-55°C to 125°C	10,000,000	Active	Compliant
1SM1-T	Honeywell Sensing and Productivity Solutions	SPDT	5A	250V	30V	Round Pin Plunger	Chassis Mount	Solder Turret	0.330" (8.4mm)	-55°C to 125°C	80,000	Active	Compliant

Engineering Selection Recommendations

For Direct Replacement (Same Electrical Specifications): Select 11SM303-T2, 11SM76-T, or 11SM77-H58 when the application requires equivalent 1A/125V AC performance. All three are active-status products with RoHS compliance. Choose based on termination style: solder turret (11SM303-T2, 11SM76-T) for wave soldering or quick connect (11SM77-H58) for manual assembly. These parts offer extended mechanical life (10,000,000 cycles) compared to the original.

For Higher Current Applications (3A to 5A Range): Select 11SM1-T2, 11SM703-T, 11SM3-H58, or 11SM8849-H58 when the circuit requires 4A to 5A capacity at 250V AC. All are active-status, RoHS-compliant products with significantly extended mechanical life. 11SM703-T and 11SM1-T2 feature solder turret termination; 11SM3-H58 and 11SM8849-H58 feature quick connect termination. The 1SM1-T variant is also available but exhibits reduced mechanical life (80,000 cycles) and should be evaluated against application cycle requirements.

For Lower Current Applications (Below 3A): Select 11SM1777-T when the application requires only 100mA capacity at 125V AC. This active-status part provides solder turret termination and extended mechanical life (10,000,000 cycles). Avoid 11SM1077-H58 due to obsolete product status.

Compliance and Certification: All recommended substitute parts maintain RoHS compliance status consistent with the original AV32023-A. All parts carry ECCN EAR99 and HTSUS 8536.50.7000 classifications matching the original component.

Frequently Asked Questions (FAQ)

Q: Can I use a 5A-rated switch as a direct replacement for the 3A AV32023-A? A: Yes. A higher current-rated switch (5A) is electrically compatible with a 3A application. The switch will safely handle the lower current demand. Verify that the voltage ratings (125V AC minimum, 30V DC minimum) and mechanical specifications (0.330" operating position, chassis mount, round pin plunger) match the original design.

Q: What is the difference between solder lug, solder turret, and quick connect terminations? A: Solder lug termination (original AV32023-A) uses a flat tab for manual soldering. Solder turret termination uses a round post suitable for wave soldering processes. Quick connect termination uses a 0.058" round connector for push-on assembly without soldering. Selection depends on your assembly process and equipment.

Q: Why do some substitute parts have significantly higher mechanical life ratings? A: Honeywell SM series switches are engineered for extended durability. The 10,000,000-cycle rating versus the original 500,000-cycle rating reflects design differences in spring and contact materials. Higher mechanical life provides additional margin for long-term reliability but does not affect electrical performance in your application.

Q: Can I use the 11SM1077-H58 (obsolete) as a substitute? A: The 11SM1077-H58 meets all electrical and mechanical compatibility criteria but carries obsolete product status. For new designs or long-term production, select active-status alternatives such as 11SM1777-T, which provides identical electrical specifications with current availability.

Q: What is the operating temperature difference between the AV32023-A and substitute parts? A: The original AV32023-A operates from -25°C to 85°C. Most Honeywell SM series substitutes operate from -55°C to 125°C, providing extended temperature range capability. If your application operates within the original -25°C to 85°C range, both the original and substitutes are suitable. For applications requiring extended temperature operation, substitutes provide additional margin.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts maintain RoHS compliance status consistent with the original AV32023-A. Moisture Sensitivity Level (MSL) is 1 (Unlimited) for all parts, indicating no special moisture handling requirements.

Q: How do I select between multiple substitute options with the same electrical rating? A: Differentiate based on: (1) Termination style required by your assembly process, (2) Mechanical life margin needed for your application cycle count, (3) Product status (active versus obsolete), and (4) Packaging format (bulk, tray) matching your procurement requirements.

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