Equivalent & Substitute Parts for SWTW-G2NTR Tactile Switch

Part Overview

The SWTW-G2NTR is a tactile switch manufactured by TT Electronics / BI Technologies, configured as a SPST-NO (Single Pole Single Throw - Normally Open) surface mount component rated for 0.05A at 12VDC. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement.

The SWTW-G2NTR features top actuation with a 3.10mm actuator height, 160gf operating force, and 100,000 cycle mechanical life. Substitution is required due to product discontinuation while maintaining electrical and mechanical compatibility with existing designs.

Key Parameters

Parameter	SWTW-G2NTR Value
Manufacturer	TT Electronics / BI Technologies
Circuit Configuration	SPST-NO
Contact Rating	0.05A @ 12VDC
Switch Function	Off-Mom (Momentary)
Mounting Type	Surface Mount
Actuator Orientation	Top Actuated
Termination Style	Gull Wing
Outline Dimensions	6.30mm x 6.20mm
Actuator Height	3.10mm
Operating Force	160gf
Operating Temperature Range	-25°C ~ 70°C
Mechanical Life	100,000 Cycles
Moisture Sensitivity Level	MSL 1 (Unlimited)
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution for the SWTW-G2NTR is determined by strict adherence to the following electrical and mechanical parameters:

Primary Compatibility Criteria:

Circuit configuration: SPST-NO
Contact rating: 0.05A @ 12VDC
Switch function: Off-Mom (Momentary)
Mounting type: Surface Mount
Actuator orientation: Top Actuated
Termination style: Gull Wing
Moisture sensitivity level: MSL 1

Secondary Compatibility Parameters:

Operating force: 160gf (primary specification for SWTW-G2NTR)
Outline dimensions: Tolerance for minor variations (6.30mm x 6.20mm baseline)
Actuator height: Tolerance for minor variations (3.10mm baseline)
Operating temperature range: Must encompass or exceed -25°C ~ 70°C
Mechanical life: Must meet or exceed 100,000 cycles

Substitute parts are grouped by operating force specification, as this parameter directly affects tactile feedback and user interface performance. Parts with 160gf operating force provide direct functional equivalence. Parts with alternative operating forces (65gf, 260gf, 500gf) are listed as available alternatives for applications where different actuation characteristics are acceptable.

Parameter Comparison

Part Number	Manufacturer	Circuit	Contact Rating	Operating Force	Actuator Height	Outline (mm)	Operating Temp (°C)	Mechanical Life	Product Status
SWTW-G2NTR	TT Electronics / BI Technologies	SPST-NO	0.05A @ 12VDC	160gf	3.10mm	6.30 x 6.20	-25 ~ 70	100,000	Obsolete
LL3301NF065QG	E-Switch	SPST-NO	0.05A @ 12VDC	65gf	4.30mm	6.00 x 6.00	-30 ~ 85	Not specified	Active
TL3301NF160RG	E-Switch	SPST-NO	0.05A @ 12VDC	160gf	4.30mm	6.00 x 6.00	-20 ~ 70	100,000	Active
TL3301NF260QG	E-Switch	SPST-NO	0.05A @ 12VDC	260gf	4.30mm	6.00 x 6.00	-20 ~ 70	100,000	Active
TL3303AF160QG	E-Switch	SPST-NO	0.05A @ 12VDC	160gf	4.30mm	6.20 x 6.00	-20 ~ 70	100,000	Active
TL6120AF500QG	E-Switch	SPST-NO	0.05A @ 12VDC	500gf	4.70mm	7.40 x 7.40	-40 ~ 85	200,000	Active
TL6700AF160QG	E-Switch	SPST-NO	0.05A @ 12VDC	160gf	3.40mm	6.90 x 6.20	-20 ~ 70	500,000	Active
TL6700AF260QG	E-Switch	SPST-NO	0.05A @ 12VDC	260gf	3.40mm	6.90 x 6.20	-20 ~ 70	100,000	Active

Engineering Selection Recommendations

Direct Equivalents (160gf Operating Force):

TL3301NF160RG and TL3303AF160QG provide electrical and functional equivalence to the SWTW-G2NTR with matching 160gf operating force and 100,000 cycle mechanical life. Both are manufactured by E-Switch and carry active product status with ROHS3 compliance. TL3301NF160RG maintains the 6.00mm x 6.00mm outline, while TL3303AF160QG uses a 6.20mm x 6.00mm outline with Polyphenylene Sulfide (PPS) actuator material.

TL6700AF160QG offers equivalent electrical performance with 160gf operating force and active product status. This part features enhanced mechanical life (500,000 cycles), process-sealed construction, and silicone rubber actuator material. The 3.40mm actuator height closely matches the original 3.10mm specification.

Alternative Operating Force Options:

LL3301NF065QG provides lower actuation force (65gf) for applications requiring reduced tactile resistance. TL3301NF260QG and TL6700AF260QG offer increased operating force (260gf) for applications requiring higher actuation resistance. TL6120AF500QG provides maximum operating force (500gf) with extended mechanical life (200,000 cycles) and wider operating temperature range (-40°C ~ 85°C).

All substitute parts maintain SPST-NO circuit configuration, 0.05A @ 12VDC contact rating, surface mount construction, and gull wing termination. All are active products with ROHS3 compliance and MSL 1 moisture sensitivity rating.

Frequently Asked Questions (FAQ)

Q: Can TL3301NF160RG directly replace SWTW-G2NTR in existing designs?

A: TL3301NF160RG provides electrical and functional equivalence with matching 160gf operating force and 100,000 cycle mechanical life. The outline dimensions differ slightly (6.00mm x 6.00mm versus 6.30mm x 6.20mm), and actuator height is 4.30mm versus 3.10mm. PCB layout and mechanical clearance must be verified before implementation.

Q: What is the difference between TL3301NF160RG and TL3303AF160QG?

A: Both parts share 160gf operating force, 100,000 cycle mechanical life, and 4.30mm actuator height. TL3303AF160QG uses Polyphenylene Sulfide (PPS) actuator material versus Polyamide (PA) Nylon in TL3301NF160RG. Outline dimensions are 6.20mm x 6.00mm (TL3303AF160QG) versus 6.00mm x 6.00mm (TL3301NF160RG).

Q: Why does TL6700AF160QG have different mechanical specifications?

A: TL6700AF160QG features process-sealed construction with silicone rubber actuator material, resulting in 500,000 cycle mechanical life versus 100,000 cycles in the original part. The 3.40mm actuator height more closely approximates the original 3.10mm specification. These design differences provide enhanced durability and environmental protection.

Q: Can I use a 260gf or 500gf operating force substitute?

A: Operating force directly affects tactile feedback and user interface performance. Substitution with alternative operating forces (260gf or 500gf) is only acceptable if the application design permits different actuation characteristics. User interface testing is required to confirm acceptability.

Q: What packaging options are available?

A: TL6120AF500QG is supplied in Cut Tape (CT) packaging. All other substitute parts are supplied in Tape & Reel (TR) packaging. Packaging selection depends on assembly process requirements and volume specifications.

Q: Are all substitute parts RoHS compliant?

A: All substitute parts listed carry ROHS3 compliance certification. The original SWTW-G2NTR does not specify RoHS status. All parts maintain MSL 1 (Unlimited) moisture sensitivity level and REACH Unaffected status.

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