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The Series 104 is a range of Single-In-Line reed relays intended for voltages that are beyond the capabilities of conventional SIL reed relays.

They are ideal for such applications as transformer or cable testing or any other automatic test equipment where high voltages are involved.

Where mains voltages are switched, for example to control and isolate S.C.R. or triac gates, they are an ideal choice.

One or two Form A (energize to make) or one Form B (energize to break) configurations are available. The range features an internal mu-metal screen to eliminate problems that would otherwise be experienced due to magnetic interaction when they are closely stacked.

Three types of dry switches are available, capable of standing-off 1, 1.5 or 3kV d.c. The 3kV version has an increased clearance between the switch and coil pins to accomodate the higher voltage. Even higher voltage ratings are available to special order, please contact our sales office for further information.

Mercury wetted devices are also available for applications where bounce free switching is required. These are rated at 1500 volts d.c. stand-off, 500 volts d.c. switching at up to 50 watts.

• Requires a board area of 0.25 x 1.0 inches (6.4mm x 25.4mm)
• Ideal for Cable Test ATE
• Dry or Mercury Wetted switches

Pickering Electronics - A Brief History

Pickering Electronics was formed in January 1968, with the aim to design and manufacture high quality reed relays, intended principally for use in Instrumentation and Test equipment.

Today, Pickering's Single-in-Line (SIL) range is by far the most developed in the relay industry with relays 25% the size of many of their competitors. The small SIL relays are sold in high volumes to large ATE companies throughout the world.

Pickering relays have many advantages over the more usual 'Hard Moulded' construction. They are constructed using SoftCenter TM technology which greatly reduces stress on the delicate glass reed switch capsule for maximum life and performance. Mu-metal magnetic screening allows high packing density without the risk of problems due to magnetic interaction between relays. Pickering Electronics is an ISO 9001 certified company.

Due to the unique nature of our relays, much of our production machinery is designed and manufactured by our engineering staff. Above is part of the production equipment used in the manufacture of our popular Series 109P Single-in-Line relay. This is the finishing stage in the production of the popular Series 109P relay. The relay enters this stage from the right. The unwanted part of the leadframe (the salvage bar) is removed leaving the connection pins of the relay at the finished length. The relay is then removed from the salvage plastic part and moves on to have the part number and Pickering name printed on the top face. After this, the relay passes an ink jet print head which applies the date code to the side of the relay. The finished part exits this stage and is passed to our Test Department for thermal cycling and Final Test. We do not sample test. All Pickering relays are tested for every operating parameter.

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