Equivalent & Substitute Parts for MJTP1138

Part Overview

The MJTP1138 by APEM Inc. is an active SPST-NO surface mount tactile switch rated at 0.05A @ 12VDC, top actuated with standard actuator, featuring tactile feedback. It is RoHS3 compliant and is supplied in bulk packaging, with an inventory of 862 pieces available. Alternative models may be required for supply continuity, inventory needs, compliance demands, or drop-in mechanical/electrical equivalence in assemblies utilizing this product category.

Key Parameters

Parameter	Value
Manufacturer Part Number	MJTP1138
Manufacturer	APEM Inc.
Part Status	Active
Circuit	SPST-NO
Switch Function	Off-Mom
Contact Rating @ Voltage	0.05A @ 12VDC
Actuator Type	Standard
Mounting Type	Surface Mount
Actuator Height off PCB, Vertical	4.30mm
Actuator Orientation	Top Actuated
Termination Style	Gull Wing
Outline	6.00mm x 6.00mm
Illumination	Non-Illuminated
Operating Force	160gf
Operating Temperature	-20°C ~ 70°C
Actuator Material	Polyamide (PA46), Nylon 4/6
Switch Travel	0.25mm
Mechanical Life	100,000 Cycles
Features	Tactile Feedback
RoHS Status	ROHS3 Compliant
MSL	1 (Unlimited)
REACH Status	REACH Unaffected
Packaging	Bulk

Substitute Part Grouping Explanation

Substitute parts for MJTP1138 are selected strictly according to the following key parameters: circuit type (SPST-NO), switch function (Off-Mom), contact rating and voltage (minimum 0.05A @ 12VDC), actuator type (Standard), mounting type (Surface Mount), actuator orientation (Top Actuated), termination style (Gull Wing), outline dimensions (approx. 6mm x 6mm), operating force, actuator height off PCB, mechanical life, and RoHS/REACH compliance. Substitute groupings do not exceed the limits or allow omission of these criteria.

Parameter Comparison

Parameter	MJTP1138 APEM Inc.	FSM2JELGLTR TE Connectivity	FSM2JELGXLTR TE Connectivity	FSM2JSMA TE Connectivity	PTS645SM43SMTR92 LFS C&K	TL3301NF100QG E-Switch	TL3301NF160QG-KR E-Switch
Part Status	Active	Active	Active	Active	Active	Active	Active
Circuit	SPST-NO	SPST-NO	SPST-NO	SPST-NO	SPST-NO	SPST-NO	SPST-NO
Switch Function	Off-Mom	Off-Mom	Off-Mom	Off-Mom	Off-Mom	Off-Mom	Off-Mom
Contact Rating @ Voltage	0.05A @ 12VDC	0.05A @ 12VDC	0.05A @ 12VDC	0.05A @ 24VDC	0.05A @ 12VDC	0.05A @ 12VDC	0.05A @ 12VDC
Actuator Type	Standard	Standard	Standard	Standard	Standard	Standard	Standard
Mounting Type	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount	Surface Mount
Actuator Height off PCB, Vertical	4.30mm	2.50mm	2.50mm	4.30mm	4.30mm	4.30mm	4.30mm
Actuator Orientation	Top Actuated	Top Actuated	Top Actuated	Top Actuated	Top Actuated	Top Actuated	Top Actuated
Termination Style	Gull Wing	Gull Wing	Gull Wing	Gull Wing	Gull Wing	Gull Wing	Gull Wing
Outline	6.00mm x 6.00mm	6.20mm x 6.20mm	6.20mm x 6.20mm	6.00mm x 6.00mm	6.00mm x 6.00mm	6.00mm x 6.00mm	6.00mm x 6.00mm
Illumination	Non-Illuminated	Non-Illuminated	Non-Illuminated	Non-Illuminated	Non-Illuminated	Non-Illuminated	Non-Illuminated
Operating Force	160gf	100gf	50gf	160gf	160gf	100gf	160gf
Operating Temperature	-20°C ~ 70°C	-35°C ~ 85°C	-35°C ~ 85°C	-35°C ~ 85°C	-20°C ~ 85°C	-20°C ~ 70°C	-20°C ~ 70°C
Actuator Material	Polyamide (PA46), Nylon 4/6	Thermoplastic	Thermoplastic	Polyphenylene Sulfide (PPS)	Polyamide (PA66), Nylon 6/6	Polyamide (PA), Nylon	Polyamide (PA), Nylon
Switch Travel	0.25mm	0.25mm	0.25mm	0.25mm	-	0.25mm	0.25mm
Mechanical Life	100,000 Cycles	1,000,000 Cycles	1,000,000 Cycles	100,000 Cycles	100,000 Cycles	100,000 Cycles	100,000 Cycles
RoHS Status	ROHS3 Compliant	RoHS Compliant	RoHS Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant	ROHS3 Compliant
MSL	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)	Not Applicable	1 (Unlimited)	1 (Unlimited)	1 (Unlimited)
REACH Status	REACH Unaffected	-	-	REACH Unaffected	REACH Unaffected	REACH Unaffected	REACH Unaffected
Packaging	Bulk	Tape & Reel (TR)	Tape & Reel (TR)	Bulk	Tape & Reel (TR)	Tape & Reel (TR)	Tape & Reel (TR)

Engineering Selection Recommendations

Select substitutes based on part status (active), RoHS compliance (ROHS3 or RoHS), Moisture Sensitivity Level (MSL 1 or Not Applicable), and REACH status. All listed substitute models maintain an active status and meet RoHS compliance criteria provided. For assemblies requiring unaffected REACH compliance, select models with this status, if explicitly available. Packaging format may affect assembly choices; ensure compatibility with production and logistics processes.

Frequently Asked Questions (FAQ)

Q: What parameters are critical when selecting a substitute for MJTP1138?
A: Circuit type (SPST-NO), contact rating and voltage, switch function (Off-Mom), actuator height, mounting type (Surface Mount), actuator orientation (Top Actuated), termination (Gull Wing), outline, mechanical life, operating force, and compliance status are essential.

Q: Is packaging format important for substitution?
A: Yes, MJTP1138 uses bulk packaging; several substitutes are supplied in tape and reel. Packaging format should match assembly and logistics requirements.

Q: Do substitutes maintain the same mechanical and electrical fit?
A: Substitutes conform to defined parameters, including circuit, mounting, and dimensions; select only those meeting required electrical, mechanical, and compliance criteria.

Q: Can higher mechanical life substitutes replace the original?
A: If mechanical life and other key parameters match or exceed those of the MJTP1138, the part may be acceptable based strictly on provided data.

Q: Are all listed substitutes RoHS compliant?
A: All substitutes indicate RoHS compliance within the provided data.

Q: Are there differences in operating force or actuator height among substitutes?
A: Yes, verify parameter values such as operating force and actuator height against system requirements. Only select substitutes if these values fit the application.

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