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Middle Stroke Tactile Switch
B3SL
Surface-mount Sealed Tactile Switch with Mid-length Pretravel and Crisp Clicking Action.
* 90C Maximum operating Temperature * Sealed construction conforming to IP67 (IEC 60529) provides high contact reliability in dusty environments. * Crisp click feeling and middle stroke with rubber plunger. * Two heights available, 3.4 mm and 5.1 mm * Tape packing is available * RoHS Compliant
Ordering Information
Type 6 x 6 mm B3SL Series (Flat type) 5.1 mm B3SL-1022P 1,400 Plunger Height 3.4 mm Operating force (OF) 1.96 N (200 gf) Embossed tape Model B3SL-1002P Quantity per reel 2,000
(Flat type) Note: Order in multiples of the quantities given. Switches are not sold individually.
Specifications
Characteristics
Contact form Switching capacity Contact resistance Insulation resistance Dielectric strength Bounce time Vibration resistance Shock resistance Ambient operating temperature Ambient operating humidity Service Life Note: Data shown are of initial value SPST-NO 1 to 50 mA at 5 to 12 VDC (resistive load) 100 m max. (rated: 1 mA at 5 VDC) 100 M min. (at 250 VDC) 250 VAC, 50/60 Hz for 1 min. 5 ms max. Destruction: 10 to 55 Hz, 1.5-mm double amplitude Destruction: 1,000 m/s2 (approx. 100 G) max. -25 to 90C (at 60% RH max.) with no icing or condensation 35% to 85% (at 5 to 35C) 100,000 operations min.
Operating Characteristics
Characteristics Operating force (OF) Release force (RF) min. Pretravel (PT) 0.3 0.2 mm B3SL-1002P 200 50 gf (1.96 0.49 N) 35 gf (0.35 N) 0.5 0.2 mm B3SL-1022P
Middle Stroke Tactile Switch
B3SL
251
Dimensions
Note: Unless otherwise specified, all units are in millimeters and a tolerance of 0.2mm applies to all dimensions.
B3SL-1002P
6.2
6.5
40.2
PCB Pad (Top View)
Terminal Arrangement/ Internal Connections (Top View)
4 3
2.5 dia. 6.5 3.4 2.5 0.1 7 0.7 3 1.2 5
2 3 8.5
1
B3SL-1022P
6.2
6.5
40.2
PCB Pad (Top View)
Terminal Arrangement/ Internal Connections (Top View)
4 3 5 2 1 3
2.5 dia. 6.5
5.1 2.5 0.1 7 0.7 1.2 3 8.5
Precautions
Precautions for Correct Use
Storage
Storage Environment
To prevent degradation, such as discoloration of the terminals during storage, do not store the Switch in locations that are subject to the following conditions; * High temperature or humidity * Corrosive gases * Direct sunlight 2. If there is silicon in the atmosphere, it may stop the contacts from functioning properly. If silicon products, such as silicon oil, silicon filler, or silicon wires, are used in the surrounding area, install a contact protection circuit to prevent arching or remove the silicon source. The Switch is not completely sealed. The following situations may cause water to enter inside the Switch, resulting in a malfunction due to contact failure or corrosion. * Using the Switch in an outdoor environment where it is exposed to water drops for an extended period of time * Using the Switch in an underwater setting where it is subject to strong water pressure.
Storage condition
Store the Switches in the packaging box. After the packaging box is opened, use the contents as quickly as possible. When storing leftover parts, make sure that appropriate measures are taken against humidity and corrosive gases.
Operation
* Do not repeatedly operate the Switch with excessive force. Applying excessive pressure or applying additional force after the plunger has stopped may deform the disk spring of the Switch, resulting in malfunction. (Maximum force = 30N) * Be sure to set up the Switch so that the plunger will operate in a straight vertical line. If the plunger is pressed off-center or from an angle it may cause deformation or damage to some parts. This may result in deterioration of life expectancy or malfunction.
Handling
Usage Environment
Before installing the Switch, make sure that the area of installation is not subject to corrosive gases emitted from surrounding parts. 1. Do not use in areas subject to high temperatures, high humidity, or toxic gases such as sulfuric gas (H2S, SO2), ammonia gas (NH3), nitric gas (HNO3), or chlorine gas (CI2). It can cause corrosive damage to the contacts and result in malfunction.
252
Middle Stroke Tactile Switch
B3SL
Electrical Operation
Use the Switch within the rated voltage and current ranges, otherwise the Switch may have a shortened life expectancy, radiate heat, or burn out. This particularly applies to the instantaneous voltages and currents when switching.
RoHS Compliant
The "RoHS Compliant" designation indicates that the listed models do not contain the six hazardous substances covered by the RoHS Directive.
Reference:
The following standards are used to determine compliance for the six substances. Lead: Mercury: Cadmium: Hexavalent chromium: PBB: PBDE: 1,000 ppm max. 1,000 ppm max. 100 ppm max. 1,000 ppm max. 1,000 ppm max. 1,000 ppm max.
Soldering
Soldering Precautions
1. Before any kind of soldering, test to confirm that soldering can be performed properly. Otherwise the Switch may be deformed by the soldering heat depending on the type of PCB, pattern, or lands of the PCB. 2. Do not solder the Switch more than twice, including rectification soldering. Wait for at least five minutes between the first and second soldering to allow the temperature to return to normal. Continuous soldering may cause the casing to melt or deteriorate the Switch characteristics.
Packaging Specifications
The packaging specifications for B3SL Switches in embossed taping are given below.
Reflow Soldering Conditions
Firmly attach a thermocouple to the surface of the terminals with solder that has a high melting point and set the reflow oven so that the peak temperature of the terminals is 260C or less. The following figure shows the temperature profile.
Temperature (C)
B3SL-1002P
(22) Label Tape drawing direction 1.5
+0.1 0 dia.
2
120.1 40.1
(3.7) 1.75
7.5 16
260 max.
3802 dia. 13 dia. Reel (Material: PS)
220
Tape drawing direction
180 150 Main heating time
B3SL-1022P
Preheating time
(22) Label Tape drawing direction 1.5
+0.1 0 dia.
2
120.1 40.1
1.75
(5.3)
7.5
60 to 120
60 max. Time (s)
3802 dia. 13 dia. Reel (Material: PS) Tape drawing direction
16
Manual Soldering
1. Soldering temperature: 350C max. at the tip of the soldering iron 2. Soldering time: 3 s max. for a 1.6-mm thick, single-side PCB
Standards
Conforms to JIS. 2,000 Switches (B3SL-1002P) 1,400 Switches (B3SL-1022P) 60C for 24 hours (without deformation)
Washing
Standard Switches are not sealed, and cannot be washed. Doing so will cause the washing agent, together with flux or dust particles on the PCB, to enter the Switch, resulting in malfunction.
Package Heat resistance
Common Precautions
Be sure to read the precautions common to all Tactile Switches, contained in the Technical User's Guide, "Tactile Switches, Technical Information" for correct use.
Applicable Printed Circuit Board
The Switch is designed for a 1.6-mm thick, single-side PCB. Using PCBs with a different thickness or using double-sided, through-hole PCBs may result in loose mounting, improper insertion, or poor heat resistance in soldering. These effects will occur, depending on the type of holes and patterns of the PCB. Therefore, it is recommended that a verification test is conducted before use.
Middle Stroke Tactile Switch
B3SL
253
MEMO
254
Middle Stroke Tactile Switch
B3SL
Omron Electronic Components, LLC
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Middle Stroke Tactile Switch
B3SL
Certain Precautions on Specifications and Use
1. Suitability for Use. Seller shall not be responsible for conformity with any standards, codes or regulations which apply to the combination of the Product in Buyer's application or use of the Product. At Buyer's request, Seller will provide applicable third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine, system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product with respect to Buyer's application, product or system. Buyer shall take application responsibility in all cases but the following is a nonexhaustive list of applications for which particular attention must be given: (i) Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or uses not described in this document. (ii) Energy control systems, combustion systems, railroad systems, aviation systems, medical equipment, amusement machines, vehicles, safety equipment, and installations subject to separate industry or government regulations. (iii) Use in consumer products or any use in significant quantities. (iv) Systems, machines and equipment that could present a risk to life or property. Please know and observe all prohibitions of use applicable to this product. NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS, AND THAT THE OMRON PRODUCT IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM. 2. Programmable Products. Seller shall not be responsible for the user's programming of a programmable product, or any consequence thereof. 3. Performance Data. Performance data given in this publication is provided as a guide for the user in determining suitability and does not constitute a warranty. It may represent the result of Seller's test conditions, and the users must correlate it to actual application requirements. Actual performance is subject to Seller's Warranty and Limitations of Liability. 4. Change in Specifications. Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our practice to change part numbers when published ratings or features are changed, or when significant construction changes are made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers may be assigned to fix or establish key specifications for your application. Please consult with your Seller representative at any time to confirm actual specifications of purchased Product. 5. Errors and Omissions. The information in this publication has been carefully checked and is believed to be accurate; however, no responsibility is assumed for clerical, typographical or proofreading errors, or omissions. 6. RoHS Compliance. Where indicated, our products currently comply, to the best of our knowledge as of the date of this publication, with the requirements of the European Union's Directive on the Restriction of certain Hazardous Substances ("RoHS"), although the requirements of RoHS do not take effect until July 2006. These requirements may be subject to change. Please consult our website for current information.
Complete "Terms and Conditions of Sale" for product purchase and use are on Omron's website at http://www.components.omron.com - under the "About Us" tab, in the Legal Matters section. ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
OMRON ELECTRONIC COMPONENTS LLC
55 E. Commerce Drive, Suite B Schaumburg, IL 60173
OMRON ON-LINE
Global - http://www.omron.com USA - http://www.components.omron.com
847-882-2288
Cat. No. X303-E-1 11/09 Specifications subject to change without notice Printed in USA
Middle Stroke Tactile Switch
B3SL

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