USLPT2616 Family – Low-profile Tactile Switches
Applications
•
Portable
electronic
devices.
•
3C products.
•
Smart phones.
•
Digital cameras.
LPT Series – Low-Profile Tactile Switches
Features
•
Compact size.
•
Low-profile.
•
Long operation
life.
•
TE Connectivity is pleased to introduce its LPT Series of Low-Profile Tactile
Switches. Given the various combinations of Size and Height measures offered by
the LPT Series, these tactile switches are ideal for a wide variety of applications
within the portable electronics market.
The Low-Profile Tactile Switches will be characterised by SMT mounting available
in Tab, Gull-Winged, and J-Bend terminations.
Grounded
options
available.
LPT Series – Family Classification
Document #2337224-1
(08/10/18)
Family
USLPT
(Ultra-Mini Size)
MCSLPT
(Micro-Mini Size)
MSLPT
(Mini Size)
Body Size
2.6x1.6mm to
3.7x3.7mm
4.6x4.4mm to
4.8x4.8mm
5.2x5.2mm
Height
0.35mm to 0.65mm
0.55mm to 1.05mm
0.80mm to 2.00mm
Mounting
Tab / J-Bend
J-Bend
Gull-Wing / J-Bend
Grounding
No
No
Yes
Packaging
Tape & Reel
Tape & Reel
Tape & Reel
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
USLPT2616 Family – Low-profile Tactile Switches
USLPT Family – 2.6 x 1.6mm
Contact Rating
Contact Resistance
Insulation Resistance
Dielectric Strength
Operating Force
Travel
Operating Life
Operating Temperature
Storage Temperature
Features
Applications
•
•
•
•
•
•
Compact size.
Extended operating life.
Ultra-low profile.
10µA, 2VDC Min.
20mA, 15VDC Max.
500mΩ Max.
50MΩ Min. 100VDC
250VAC/1 Minute
160 ± 50gf
0.11mm
200,000 Cycles Min.
-40˚C to +85˚C
-40˚C to +85˚C
Digital cameras.
Smart Phones.
Portable electronic devices.
Circuit
Part Numbering
Document #2337224-1
(08/10/18)
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
USLPT2616 Family – Low-profile Tactile Switches
Diagrams
PN List
Smart PN
Body Size
Height
Mounting
Operation
Force
Packaging
MOQ
TE PN
USLPT2616CT2TR
2.6 x 1.6mm
0.55mm
Tab
160gf
Tape and Reel
2,500
2337224-1
Document #2337224-1
(08/10/18)
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
USLPT2616 Family – Low-profile Tactile Switches
1. Style
“Tactile Switches” are mainly used as signal switches of electric devices, with the general
requirements of mechanical and electrical characteristic.
1.1 Operating Temperature Range: -40 ℃ to +85℃
1.2 Storage Temperature Range: -40 ℃ to +85℃
2. Current Range: 10µA, 2VDC Min. to 20mA, 15VDC Max.
3. Type of Actuation: Tactile feedback
4. Test Sequence:
Item
Description
1
Visual
Examination
Appearance
Test Conditions
Requirements
There shall be no defects
that affect the
serviceability of the
product.
By visual examination check without
any out pressure & testing.
2
Contact
Resistance
Applying a static load (1.5 to 2x actuating
force) to the centre of the actuator.
Measurements shall be made with a 1
kHz small current contact resistance
meter.
3
Insulation
Resistance
Measurements shall be made following
application of 100VDC potential across
terminals and cover for 1 minute± 5
seconds.
4
Dielectric
Withstanding
Voltage
250VDC (50Hz or 60Hz) shall be
applied across terminals and cover for
1 minute.
500mΩ Max.
50MΩ Min.
Electrical
Performance
There shall be no
breakdown or flashover.
3 to 4 operations at a rate of 1 cycles per
second
5
Document #2337224-1
(08/10/18)
10 m seconds Max.
Bounce
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
USLPT2616 Family – Low-profile Tactile Switches
Operating
Force
Applied in the direction of operation.
160±50gf
(1.569±0.49N)
7
Stroke
Placing the switch such that the
direction of switch operation is vertical
and then gradually increasing the load
applied to the centre of the actuator to
a stop shall be measured.
0.11±0.05mm
8
Control
strength
Static load of 3Kg (29.4N) shall be
applied in the operating direction of
the control unit for 15 seconds.
As shown in items 2 to 6.
6
Mechanical
Performance
9
Durability
10
11
Solder Heat
Resistance
(PCB is 0.8mm in thickness)
1) Shall be free from
pronounced backlash and
falling-off or breakage
Terminals.
2) As shown in item 4 to 5.
Operating
Life
Measurements shall be made following
the test forth below:
1) 5mA, 5VDC resistive load.
2) Rate of Operation: 2 to 3 operations
per second.
3) Applying a static load the operating
force to the centre of the actuator in
the direction of operation.
4) Cycles of Operation=
■ 200,000 cycles Min.
1) As shown in item 4 to 5.
2) Operating force: ±30% of
initial force.
3) Contact Resistance:
20Ω Max.
4) Insulation Resistance:
10MΩ Min.
5) Bounce: 20m seconds
Max.
Vibration
Shall be vibrated in accordance with
Method 201A of MIL-STD-202F
1) Frequency: 10-55-10 Hz
1minute/cycle.
2) Direction: 3 vertical directions
including the direction of operation.
3) Test Time: 2 hours each direction.
As shown in item 2 to 6.
Shall be shocked in accordance with
Method 213B condition A of MIL-STD202F
1) Acceleration: 50G.
2) Action Time: 11 ± 1 m sec.
3) Testing Direction: 6 sides.
4) Test cycle: 3 times in each direction.
As shown in item 2 to 6.
Environmental
Endurance
12
Document #2337224-1
(08/10/18)
Shock
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
USLPT2616 Family – Low-profile Tactile Switches
13
14
Environmental
Endurance
Low Temperature
Resistance
Following the test set forth below
the sample shall be left in normal
temperature and humidity
conditions for 1 hour before the
measurements are made:
1) Temperature: -40±2℃
2) Time: 96 hours
As shown in item 2 to 6.
High Temperature
Resistance
Following the test set forth below
the sample shall be left in normal
temperature and humidity
conditions for 1 hour before the
measurements are made:
1) Temperature: 85±2℃
2) Time: 96 hours
As shown in item 2 to 6.
15
Humidity
Resistance
16
Temperature
Cycle
Following the test set forth below
the sample shall be left in normal
temperature and humidity
conditions for 1 hour before the
measurements are made:
1) Temperature: 60±2℃
2) Relative Humidity: 90 to 95%
3) Time: 96 hours
After 20 cycles of following conditions,
the switch shall be allowed to stand
under normal room temperature and
humidity conditions for 1 hr, and
measurement shall be made within, 1 hr
after that. Water drops shall be removed.
1) As shown in item 4 to
6.
2) Contact resistance: Less
than 1Ω.
3) Insulation resistance:
More than 10MΩ.
1. As shown in item 2 to 6.
2. Contact resistance: Less
than 1Ω.
5. Soldering Conditions:
■ Condition for Soldering USLPT Series:
■ The condition noted above is the temperature of the copper foil on the surface of the PCB. There
are cases where the temperature of the board greatly differs from the surface of the switch. Do not
allow the surface temperature of the switch to exceed 260℃.
Document #2337224-1
(08/10/18)
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
USLPT2616 Family – Low-profile Tactile Switches
■ Wave solder method
■ Manual Soldering
Soldering Temperature: 350℃ Max.
Continuous Soldering Time: 3 second Max.
■ Precautions in Handling
1. Care should be exercised so that flux from the top surface of the printed circuit board does not
adhere to the switch.
2. Do not wash the switch.
■ Operating precautions
1. Do not actuate the switch with excessive force.
2. Discontinue force after the switch has been actuated so as to avoid deformation of the components
of the switch. Deformation of the components may cause the switch to malfunction.
3. Align the plunger with the switch to insure proper operation.
Document #2337224-1
(08/10/18)
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
USLPT2616 Family – Low-profile Tactile Switches
■ Notes on storage conditions
Avoid the following as exposure may affect the performance and/or the soldering of the switch:
1. Temperature of -10 to +40℃ & 85% humidity.
2. Exposure to corrosive gas.
3. Storage over 6 months
4. Exposure to direct sunlight.
5. Storage conditions should prevent heavy impact or loading.
6. After opening the package, unused switches must be repackaged in a moisture-proof and airtight
environment.
Document #2337224-1
(08/10/18)
Dimensions in
millimetres unless
otherwise specified
Dimensions Shown for
reference purposes only.
Specifications subject to
change
For Email, phone or live chat,
go to: www.te.com/help
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