All posts from Keystone Europe about products highlights. Electronic components, battery holders and interconnect components.

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

Low Profile 20700 & 21700 Lithium-Ion Battery Holders.

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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.

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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.

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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.

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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 - SMT Metric Threaded Standoffs

SMT Metric Threaded Standoffs.

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Keystone Electronics has introduced a new series of metric threaded standoffs specifically designed and packaged for use on PC Boards in the same manner as other SMT components.

Manufactured from steel with a tin plate, these standoffs can be added to the board using the same SMT equipment used to populate the board, reducing scrap and handling time while minimizing damage to a PCB that may occur while using traditional mounting products ensuring easy reflow soldering for reliable solder joints.

Metric threaded SMT standoffs are available in M3 threads in lengths from 02.00mm  to  10.00mm and are supplied on tape and reel with Kapton tape on top surface for easy pickup.  They are ideal for use with most vacuum and mechanical pick-and-place assembly systems.

P/N “H” Height (mm) Parts per Reel Thread Outside Dia. (mm) Mounting Hole (mm) Solder Pad Dia. (mm)
24881 02.00
 1 500
 M3
 05.56
 04.22
 06.20
24882 03.00 1 000 M3 05.56 04.22 06.20
24883 04.00 900 M3 05.56 04.22 06.20
24884 06.00 650 M3 05.56 04.22 06.20
24885 08.00 375 M3 05.56 04.22 06.20
24886 10.00 300 M3 05.56 04.22 06.20

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

Keystone Europe MEA+India - Locking Coin Cell Battery Retainers

Locking Coin Cell Battery Retainers.

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Keystone Electronics has introduced a new series of SMT and THM, low profile, coin cell battery retainers designed for high shock and vibration applications.

Engineered with a locking flange, these new devices firmly secure batteries within the retainers, while assuring low contact resistance. The low profile design makes these rugged and lightweight retainers ideal for hand held products or applications that have severe shock applications.

Manufactured from Phosphor Bronze with the polarity clearly-marked, these coin cell retainers accept 1220, 1632 and 2032 cells from all major manufacturers. These holders are nickel-plated for durability, low contact resistance and high temperature soldering.

The SMT versions are equipped with solder tails located outside of the retainer bodies to ease solder joint visual inspections. Retainers are designed to operate smoothly with vacuum and mechanical pick-and-place assembly systems. Thru-Hole application details retainers are compatible with lead free and traditional reflow processing.

Cell Ref. SMT version SMT in T&R version THM version
CR1220 2894 2894TR 2895
CR1632 2896 2896TR 2897
CR2032 2898 2898TR 2899

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

Keystone Europe MEA+India - Slim-Line PC Screw Terms

Slim-Line PC Screw Terminals.

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Keystone Electronics has expanded its assortment of PC mount screw terminals to include new Slim-Line screw terminals in a vertical mounting configuration.

Rated for 15 Amps, these new devices are ideally suited for high density packaging on a PCB design requiring a minimal footprint wire-to-board connection. They feature a no-rock design with an exclusive anti-rotation feature. This design supports the terminal during installation on the board and when attaching #14-22 AWG wires, spades or ring terminals.

Combined with space-saving, cost effective attributes, the units are offered in 45º, 60º  and 90º orientation to the board enabling design versatility. Manufactured from brass with a matte-tin plate finish, these terminals are available with a 6-32 binding head machine screw installed and captivated on the terminals, as an unassembled terminal and screw kit or as the terminal only without any screw.

Screws are also available with color coded heads in red, black, white, blue, green, yellow and clear for enhanced assembly identification and troubleshooting purposes.

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.

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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.