MJTP1122TR Equivalent & Substitute Parts

Part Overview

The MJTP1122TR is an active SPST-NO tactile switch manufactured by APEM Inc., designed for surface mount applications with a contact rating of 0.05A at 12VDC. This component is supplied in Tape & Reel packaging with 679 units currently in stock. The part is RoHS3 compliant and carries an MSL rating of 1 (Unlimited), indicating minimal moisture sensitivity concerns for standard handling and storage.

Substitute parts become necessary when addressing supply chain constraints, packaging format requirements, or voltage rating compatibility in system designs that can accommodate higher voltage specifications.

Substiute Parts

MJTP1122TR

APEM Inc.In Stock: 713MJTP1122TR Datasheet

Current PartRFQ

FSM1LP

TE Connectivity ALCOSWITCH SwitchesIn Stock: 16335FSM1LP Datasheet

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FSM1LPATR

TE Connectivity ALCOSWITCH SwitchesIn Stock: 19423FSM1LPATR Datasheet

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FSM1LPTR

TE Connectivity ALCOSWITCH SwitchesIn Stock: 4983FSM1LPTR Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MJTP1122TR is determined by the following critical parameters:

• Circuit Configuration: Must be SPST-NO (Single Pole Single Throw, Normally Open)
• Contact Rating: Minimum 0.05A; voltage rating must be equal to or greater than 12VDC
• Mounting Type: Surface Mount only
• Actuator Height: 3.10mm (fixed requirement for PCB clearance compatibility)
• Switch Travel: 0.25mm (fixed requirement for actuation consistency)
• Mechanical Life: Minimum 100,000 cycles
• Termination Style: Gull Wing
• Actuator Orientation: Top Actuated
• RoHS Compliance: ROHS3 Compliant

The substitute parts listed below meet all mandatory electrical and mechanical parameters. Variations in outline dimensions (6.00mm vs 6.20mm), actuator material composition, operating force (160gf vs 260gf), and operating temperature range do not preclude substitution when the core functional requirements are satisfied.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts—FSM1LP, FSM1LPATR, and FSM1LPTR—are active products manufactured by TE Connectivity ALCOSWITCH Switches and carry ROHS3 compliance, matching the regulatory status of the MJTP1122TR.

FSM1LPTR is the closest functional equivalent to the MJTP1122TR, offering identical contact rating voltage (24VDC, which exceeds the 12VDC requirement), matching operating force (160gf), and supplied in Tape & Reel packaging. This part is suitable for direct substitution in applications where the higher voltage rating does not create design constraints.

FSM1LP provides the highest inventory availability (16317 units) and extended operating temperature range (-35°C ~ 85°C), but is supplied in Bulk packaging rather than Tape & Reel format. Selection of this part requires assessment of assembly process compatibility with bulk packaging.

FSM1LPATR is available in Cut Tape format with the largest inventory (19329 units) but features an elevated operating force of 260gf, which differs from the 160gf specification of the main part. This increased actuation force may affect user interface feel and should be evaluated against application requirements.

Frequently Asked Questions (FAQ)

Q: Can FSM1LP, FSM1LPATR, and FSM1LPTR be used interchangeably with MJTP1122TR?

A: All three parts satisfy the core electrical and mechanical substitution criteria: SPST-NO circuit configuration, 0.05A contact rating at voltage ratings equal to or exceeding 12VDC, 3.10mm actuator height, 0.25mm switch travel, and 100,000-cycle mechanical life. Substitution is functionally valid. Packaging format and operating force variations require application-specific assessment.

Q: What is the significance of the voltage rating difference (12VDC vs 24VDC)?

A: The substitute parts are rated for 24VDC, which exceeds the 12VDC requirement of the MJTP1122TR. Higher voltage ratings indicate greater dielectric strength and contact separation capability. These parts are suitable for 12VDC applications without performance degradation. Voltage rating does not limit substitution in lower-voltage applications.

Q: How do packaging format differences affect component selection?

A: MJTP1122TR and FSM1LPTR are supplied in Tape & Reel format, suitable for automated pick-and-place assembly. FSM1LP is supplied in Bulk packaging, requiring manual handling or alternative feeding mechanisms. FSM1LPATR is supplied in Cut Tape format, compatible with certain semi-automated assembly processes. Packaging selection depends on production line capabilities and assembly methodology.

Q: Does the 260gf operating force of FSM1LPATR affect substitution eligibility?

A: FSM1LPATR features a 260gf operating force compared to the 160gf specification of MJTP1122TR and other substitutes. This parameter determines the tactile feedback and actuation effort experienced by the end user. While the part meets all electrical and mechanical life requirements, the increased operating force represents a functional difference that should be evaluated against application ergonomic and interface requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. MJTP1122TR, FSM1LP, FSM1LPATR, and FSM1LPTR are all ROHS3 compliant, ensuring regulatory alignment for applications subject to RoHS directives.

Q: What is the impact of the outline dimension difference (6.20mm vs 6.00mm)?

A: MJTP1122TR has a 6.20mm x 6.20mm outline, while all substitute parts have a 6.00mm x 6.00mm outline. This 0.20mm reduction in footprint dimensions represents a minor physical difference. PCB layout compatibility should be verified to ensure adequate spacing and clearance for the smaller footprint.