EVQ-PAC04M Equivalent & Substitute Parts

Part Overview

The EVQ-PAC04M is a tactile switch manufactured by Panasonic Electronic Components, configured as SPST-NO (Single Pole Single Throw - Normally Open) with a contact rating of 0.02A at 15VDC. This component features top actuation, through-hole mounting, and a 6.00mm x 6.00mm outline with 4.30mm actuator height. The product is classified as obsolete, making equivalent substitute parts necessary for ongoing design support and procurement.

Key Parameters

Parameter	EVQ-PAC04M
Manufacturer	Panasonic Electronic Components
Circuit Configuration	SPST-NO
Contact Rating	0.02A @ 15VDC
Mounting Type	Through Hole
Actuator Orientation	Top Actuated
Outline Dimensions	6.00mm x 6.00mm
Actuator Height	4.30mm
Operating Force	100gf
Switch Travel	0.25mm
Mechanical Life	100,000 Cycles
Operating Temperature	-20°C ~ 70°C
RoHS Status	RoHS Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility for the EVQ-PAC04M is determined by the following critical parameters:

Primary Compatibility Criteria:

Circuit configuration: SPST-NO
Mounting type: Through Hole
Actuator orientation: Top Actuated
Termination style: PC Pin
Switch travel: 0.25mm
Mechanical life: 100,000 cycles minimum

Secondary Compatibility Criteria:

Outline dimensions: 6.00mm x 6.00mm (with tolerance for 6.20mm x 6.20mm variants)
Actuator height: 4.30mm
Operating force: 100gf (with acceptable variance)
Contact rating: Minimum 0.02A @ 15VDC

Substitute parts are classified into two categories: Direct Substitutes (identical mechanical and electrical specifications) and Similar Substitutes (compatible mechanical form factor with enhanced electrical ratings or operating characteristics).

Parameter Comparison

Part Number	Manufacturer	Circuit	Contact Rating	Outline	Actuator Height	Operating Force	Switch Travel	Mechanical Life	Operating Temp	Product Status
EVQ-PAC04M	Panasonic	SPST-NO	0.02A @ 15VDC	6.00 x 6.00mm	4.30mm	100gf	0.25mm	100,000	-20°C ~ 70°C	Obsolete
1825910-1	TE Connectivity ALCOSWITCH	SPST-NO	0.05A @ 24VDC	6.00 x 6.00mm	4.30mm	100gf	0.25mm	100,000	-35°C ~ 85°C	Active
PTS645SL43-2 LFS	C&K	SPST-NO	0.05A @ 12VDC	6.00 x 6.00mm	4.30mm	130gf	—	100,000	-40°C ~ 85°C	Active
95C06A2T	Grayhill Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	100gf	0.25mm	1,000,000	-25°C ~ 70°C	Active
95C06A3T	Grayhill Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	160gf	0.25mm	1,000,000	-25°C ~ 70°C	Active
95C06A4T	Grayhill Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	260gf	0.25mm	500,000	-25°C ~ 70°C	Active
95C06A5T	Grayhill Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	320gf	0.25mm	300,000	-25°C ~ 70°C	Active
ADTS61KV	APEM Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	100gf	0.25mm	—	-25°C ~ 70°C	Active
ADTS61NV	APEM Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	160gf	0.25mm	—	-25°C ~ 70°C	Active
ADTS61RV	APEM Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	260gf	0.25mm	—	-25°C ~ 70°C	Active
ADTS61SV	APEM Inc.	SPST-NO	0.05A @ 12VDC	6.20 x 6.20mm	4.30mm	320gf	0.25mm	—	-25°C ~ 70°C	Active

Engineering Selection Recommendations

Direct Substitute (Highest Compatibility): The 1825910-1 from TE Connectivity ALCOSWITCH Switches is the primary direct substitute. It maintains identical mechanical dimensions (6.00 x 6.00mm), actuator height (4.30mm), switch travel (0.25mm), and mechanical life (100,000 cycles). The contact rating is upgraded to 0.05A @ 24VDC, providing enhanced electrical capacity. Operating temperature range extends to -35°C ~ 85°C. Product status is Active with ROHS3 compliance and REACH Unaffected certification.

Compatible Substitutes (Mechanical Compatibility with Parameter Variance): Parts from C&K (PTS645SL43-2 LFS), Grayhill Inc. (95C06A series), and APEM Inc. (ADTS61 series) maintain SPST-NO circuit configuration, through-hole mounting, top actuation, and 4.30mm actuator height. These parts feature outline dimensions of 6.20 x 6.20mm, representing a 0.20mm increase per side. All maintain 0.25mm switch travel and contact ratings of 0.05A @ 12VDC or higher, exceeding the original specification. Operating force variants range from 100gf to 320gf. All substitute parts carry Active product status with RoHS3 compliance and REACH Unaffected certification.

Selection Basis: All substitute parts meet or exceed the electrical and mechanical requirements of the EVQ-PAC04M. Selection should be based on specific application requirements regarding operating force, mechanical life cycles, and operating temperature range. All listed substitutes are currently in active production with established supply chains.

Frequently Asked Questions (FAQ)

Q: Can the 1825910-1 be used as a direct replacement for the EVQ-PAC04M? A: Yes. The 1825910-1 maintains identical mechanical form factor (6.00 x 6.00mm outline, 4.30mm actuator height, 0.25mm travel) and SPST-NO circuit configuration. The contact rating upgrade from 0.02A @ 15VDC to 0.05A @ 24VDC is backward compatible for applications requiring the original specification.

Q: What is the difference between the direct substitute and similar substitutes? A: The 1825910-1 maintains the exact 6.00 x 6.00mm outline. The Grayhill 95C06A series and APEM ADTS61 series feature a 6.20 x 6.20mm outline, a 0.20mm increase per side. This dimensional difference may require PCB layout verification for space-constrained applications.

Q: Are all substitute parts RoHS compliant? A: Yes. All listed substitute parts carry RoHS3 compliance certification. The original EVQ-PAC04M is RoHS Compliant. All substitutes meet current environmental compliance standards.

Q: How do operating force variants affect substitution? A: Operating force is provided in the specification data. The EVQ-PAC04M specifies 100gf. Substitute parts with matching 100gf force (1825910-1, 95C06A2T, ADTS61KV) provide identical tactile response. Higher force variants (160gf, 260gf, 320gf) require greater actuator pressure and should be selected only if application requirements specify increased actuation force.

Q: What is the significance of mechanical life cycle ratings? A: The EVQ-PAC04M specifies 100,000 cycles. The 1825910-1 and PTS645SL43-2 LFS maintain this specification. Grayhill 95C06A2T offers 1,000,000 cycles, providing extended service life. APEM ADTS61 series does not specify mechanical life in the provided data. Selection should align with application duty cycle requirements.

Q: Can parts with different outline dimensions be used interchangeably? A: Mechanical substitution requires PCB layout compatibility. The 1825910-1 maintains the original 6.00 x 6.00mm outline. Grayhill and APEM parts feature 6.20 x 6.20mm outlines. PCB footprint verification is required before substitution to confirm pad spacing and mounting hole alignment accommodate the dimensional variance.

Q: What is the operating temperature range consideration? A: The EVQ-PAC04M operates from -20°C to 70°C. The 1825910-1 extends this to -35°C to 85°C. Grayhill and APEM parts operate from -25°C to 70°C. Application environment requirements determine whether extended temperature range is necessary.

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