Posts

Keystone Europe MEA+India - Low Profile 20700 & 21700 Lithium-Ion Battery Holders

Low Profile 20700 & 21700 Lithium-Ion Battery Holders.

New series of low profile, SMT and THM Lithium-Ion holders for 20700 & 21700 batteries to meet increased demands for higher energy, light weight, rechargeable batteries for new generations of electronic products.

Ruggedly built and durable, these compact holders feature low profile, heat resistant UL 94 V-0 Rated Nylon housings with Stainless Steel contacts that are Tin-Nickel Plated.
Holders are ideally suited for use in high energy portable medical devices, consumer and industrial electronic products.
Versatile design accommodates lead free solder and traditional reflow processes. Holders will accept all major manufacturers’ of 20700 or 21700 batteries.

THM Holders
1121 Single cell application
1123 Dual cell application
SMT Holders
1122 Single cell application
1124 Dual cell application

These products are available thru Ramses – Keystone Europe MEA+India HQ. distributors network.

Keystone Europe MEA+India - Titanium Socket Head Screw

Grade 2 Titanium “Head Cap” Screw.

Grade 2 Titanium “Head Cap” screws from Keystone Electronics are 40% lighter than carbon or stainless steel with a high strength to low weight ratio.

These screws are offered in Metric & Imperial thread sizes from M3 to M6 & from 2-56 to 1/4-20 with various lengths.

Keystone Electronics Titanium screws are manufactured per DIN 912 & ASME B18 specifications, offering superior corrosion resistance to acid, alkali and all chloride substances.

Extremely low magnetic, with a low temperature tenacity. Low coefficent of thermal conductivity and expansion, make them ideal for use in harsh environments as sea water, chemicals, petroleum and biomedical industries.

Metric

P/N Length (mm) Drive Socket Thread
25031 10.00
2.5mm Hex
M3 x 0.5
25033 20.00
2.5mm Hex M3 x 0.5
25035  30.00 2.5mm Hex M3 x 0.5
25041  10.00 3.0mm Hex M4 x 0.7
25043  20.00 3.0mm Hex M4 x 0.7
25045  30.00 3.0mm Hex M4 x 0.7
25051  10.00 4.0mm Hex M5 x 0.8
25053  20.00 4.0mm Hex M5 x 0.8
25055  30.00 4.0mm Hex M5 x 0.8
25061  10.00 5.0mm Hex M6 x 1.0
25062  16.00 5.0mm Hex M6 x 1.0
25063  20.00 5.0mm Hex M6 x 1.0
25067  40.00 5.0mm Hex M6 x 1.0

Imperial

P/N Length (mm) Drive Socket Thread
21202 .125
5/64 Hex
2-56
21203 .187 5/64 Hex 2-56
21204 .250 5/64 Hex 2-56
21205 .312 5/64 Hex 2-56
21206 .375 5/64 Hex 2-56
21208 .500 5/64 Hex 2-56
21403 .187 3/32 Hex 4-40
21404 .250 3/32 Hex 4-40
21405 .312 3/32 Hex 4-40
21406 .375 3/32 Hex 4-40
21408 .500 3/32 Hex 4-40
21410 .625 3/32 Hex 4-40
21412 .750 3/32 Hex 4-40
21604 .250 7/64 Hex 6-32
21605 .312 7/64 Hex
6-32 
21606 .375 7/64 Hex 6-32
21608 .500 7/64 Hex 6-32
21610 .625 7/64 Hex 6-32
21612 .750 7/64 Hex 6-32
21616 1.000
7/64 Hex 6-32
21804  .250 9/64 Hex 8-32
21806  .375 9/64 Hex 8-32
21808 .500 9/64 Hex 8-32
21810 .625 9/64 Hex 8-32
21812 .750 9/64 Hex 8-32
21816 1.000 9/64 Hex 8-32
21820 1.250
9/64 Hex 8-32
21004  .250 9/64 Hex 10-32
21006  .375 9/64 Hex 10-32
21008 .500 9/64 Hex 10-32
21010 .625 9/64 Hex 10-32
21012 .750 9/64 Hex 10-32
21016 1.000 9/64 Hex 10-32
21904  .250 3/16 Hex 1/4-32
21906  .375 3/16 Hex 1/4-32
21908 .500 3/16 Hex 1/4-32
21910 .625 3/16 Hex 1/4-32
21912 .750 3/16 Hex 1/4-32
21914 .875 3/16 Hex 1/4-32
21916 1.000
3/16 Hex 1/4-32
21918 1.125
3/16 Hex 1/4-32

Other grades, threads and configurations are avaible upon request.

These products are available thru Ramses – Keystone Europe MEA+India HQ. distributors network.

Keystone Europe MEA+India - Quick Fit Terminals

SMT & THM UL Recognized Male PCB Quick Fit Terminals.

Innovative Male PCB Quick Fit terminals designed by Keystone Electronics to hold up under repeated mating cycles are manufactured from Brass and supplied with a Tin Plate.

Available in SMT as well as horizontal and vertical THM configurations. The space saving design makes them ideal for use in dense PCB boards and offer easy access for connecting and disconnecting Quick-Fit female terminals.

Sturdi-Mount style is designed with “fingers” to provide increased PCB mounting strength and stability by maintaining the terminal’s perpendicularity to PCB during and permanently after wave soldering.
These Male Quick Fit are available with 2.8mm, 4.8mm, 5.2mm & 6.4mm tab size in.

They are in compliance with Underwriters Laboratories Inc. (UL) component program, UL file number E201546. They meet the dimensional and functional requirements of the National Electrical Manufacturers Association specification number NEMA2-1982-(1988) and UL310.

These products are available thru Ramses – Keystone Europe MEA+India HQ. distributors network.

Keystone Europe MEA+India - Coiled Battery Contact

Coiled PC/Case Mount Battery Contacts.

To support the increasing demands for higher energy, lower weight cylindrical battery usage, Keystone Electronics has introduced our latest coil spring contacts designed to slide-into molded cases with no wire lead, direct placement onto a PCB.

Engineered with a contact design that adjusts to variations in battery length, these contacts assure low contact resistance and dependable connectivity.

These contacts also offer the convenience of being drop in replacements for standard leaf spring contacts. Contacts can accommodate cylindrical batteries styles including A, AA, AAA and, CR2 cells virtually eliminating the need to specify brand and style.

Manufactured from .61mm Steel Wire with Nickel Plating for superior performance in today’s high tech devices.

P/N Polarity Suitable for
242 Positive A, AA & CR2
243 Negative A, AA & CR2
179 Positive AAA, AAAA, N, A23 & A27
180 Negative AAA, AAAA, N, A23 & A27
244 Dual AA & CR2
181 Dual AAA

These products are available thru Ramses – Keystone Europe MEA+India HQ. distributors network.

Keystone Europe MEA+India - Insulating Pull Tabs

New Battery Insulating Pull Tabs.

Keystone Electronics recently introduced battery insulators designed to protect batteries and circuitry during shipping and storage prior to use.

These new insulating pull tabs are installed in a product along with the batteries to act as an insulator from energizing the device prior to use.  Simply pull the tab out from under the battery contact to activate the product.  Lettering and arrows on the pull tabs make for simplified removal.

Manufactured from thin, flexible polyester,  these pull tabs can be removed from a battery compartment even if the compartment is closed.
For button cell through AAA Batteries,  request p/n 111 which is available on rolls or p/n 119 for bulk.
For 12.7mm coin cells and AA or larger cylindrical cells,  request p/n 117 on rolls or p/n 121 in bulk.

These products are available thru Ramses – Keystone Europe MEA+India HQ. distributors network.