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High Density Reed Relays

Pickering Electronics are the leaders in Reed Relays for high density applications – you can expect to fit up to 80% more relays onto your PCB. These high density Reed Relay ranges can switch up to 1 Amp, 20 Watts in Single-in-Line (SIL/SIP), Surface Mount & other popular package styles.

We understand that choosing the right Reed Relay for your application can be daunting. If you are unsure which high density Reed Relay will best suit your product, please do not hesitate to contact us. Our technical experts will be happy to assist you in any queries you may have regarding Reed Relays.

Try our new interactive tool allowing you to narrow down our offering by filtering by coil voltage, switching power, switching voltage etc. to help you find the right reed relay needed for your application.

Pickering Series 120

Single Pole Reed Relays
Up to 1 Amp switching - Very high packing density
Stacking on 4mm x 4mm pitch

  • Highest quality instrumentation grade switches
  • Plastic package with internal mu-metal magnetic screen
  • Highest packing density currently available
  • Insulation resistance greater than 1012 Ω
  • 3, 5 or 12 Volt coils
  • 100% tested for dynamic contact resistance for guaranteed performance

The Series 120 reed relay range takes up the minimum board area making them ideal for very high density applications such as A.T.E. switching matrices or multiplexers. Requiring a board area of only 4mm x 4mm, these relays allow the highest packing density currently available.

Two switch types are available, a general purpose sputtered ruthenium switch rated at 15 Watts, 1 Amp (3 volt version) or 20 Watts, 1 Amp (5 & 12 volt versions) and a low level sputtered ruthenium switch rated at 10 Watts, 0.5 Amps.

Pickering Series 122

10 Watts, 0.5 Amp Switching
Single Pole Single Throw Reed Relay
Taking up the smallest PCB area of only 4mm x 4mm

  • 3 or 5 Volt coils
  • Fast operate and release times, typically 150 μs or less, make the relays ideal for high speed test systems.
  • 1 Form A (SPST) Normally Open (NO) Energize to make.
  • Suitable for A.T.E. switching matrices or multiplexers.
  • Internal mu-metal magnetic screen allows ultra-high PCB packing density, saving significant cost and space.
  • 100% tested for dynamic contact resistance for guaranteed performance.
  • Formerless coil construction maximises magnetic efficiency causing faster switching speeds and an extended lifetime.
  • Insulation resistance greater than 1012 Ω

The Series 122 10W rated reed relay is part of the successful 4mm2 TM product family that occupy a PCB footprint of only 4mm x 4mm, facilitating the highest packing density currently available. Series 122 relays measure 12.5mm in height and are rated with a switching current of 0.5A at 10W. 3V and 5V coils are available.

The device has pins on a 2mm square pitch. There are suitable connectors available from some manufacturers, both SMD and Through Hole, that will allow these relays to be stacked in either a row or in a matrix on a 4mm pitch.

If a higher rating is required, please consider our Series 120 which are rated up to 1.0 Amp at 20 Watts but with a higher profile height. If a lower profile height is required, please consider our Series 124 with a height of just 9.5mm whilst rated up to 5 Watts, 0.5 Amps switching.

Pickering Series 124

Single Pole Reed Relays
0.5 Amp switching - Very high packing density
Stacking on 4mm x 4mm pitch

  • Highest packing density reed relays currently available
  • 3 or 5 Volt coils
  • 5 Watts, 0.5 Amp switching
  • Very fast operate and release times making these relays ideal for high speed test systems
  • Plastic package relays with internal mu-metal magnetic screen
  • Ideal for A.T.E. switching matrices or multiplexers
  • 100% tested for dynamic contact resistance for guaranteed performance

The Series 124 reed relay range is part of Pickering’s new ultra-high density 4mm x 4mm product line, which take up the minimum board area of only 4mm x 4mm, allowing the highest packing density currently available.

The range features a sputtered ruthenium switch rated at 5 Watts, 0.5 Amps. These are the same reed switches as used in the long established Pickering Series 111, 111P and 117 but are orientated vertically within the package, allowing this high density.

Pickering Series 117

Single-in-Line Reed Relays
3 Watts switching - Very high packing density. 1 Form A stacks on 0.15 x 0.27 inches pitch. 2 Form A stacks on 0.15 x 0.40 inches pitch

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Plastic package with internal mu-metal magnetic screen
• They take up the minimum of board area, conserving board space
• Insulation resistance greater than 10E12 Ohms (1TOhms)
• 5 Volt coils with or without internal diode
• 100% tested for dynamic contact resistance

The Pickering Series 117 is a range of Single-in-Line relays intended for very high density applications such as A.T.E. switching matrices or multiplexers.

They are available with either 1 or 2 Form A (energize to make) switches. These are the ideal choice for very high density applications.

Pickering Series 116

Single-in-Line Reed Relays
10 Watts switching - Very high packing density. 1 Form A stacks on 0.15 x 0.27 inches pitch. 2 Form A stacks on 0.15 x 0.40 inches pitch

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Plastic package with internal mu-metal magnetic screen
• They take up the minimum of board area, conserving board space
• Insulation resistance greater than 10E12 ohms
• 5 or 12 Volt coils with optional internal diode
• 100% tested for dynamic contact resistance

The Pickering Series 116 is a range of Single-in-Line relays intended for very high density applications such as A.T.E. switching matrices or multiplexers.

They have a switch rating of 10 Watts, 0.5 Amps and are pin compatible with the Pickering Series 117 which have a lower power rating of 3 Watts and a lower profile height of 0.38 inches (9.65 mm).

Pickering Series 115

Single-in-Line Reed Relays
10 or 15 Watts switching - Very high packing density Stacks on 0.15 x 0.27 inches pitch

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Plastic package with internal mu-metal magnetic screen
• They take up the minimum of board area, conserving
board space
• Insulation resistance greater than 1E12 Ohms
• 100% tested for dynamic contact resistance for guaranteed performance
• 5 or 12 Volt coils with optional internal diode

The Pickering Series 115 is a range of Single-in-Line relays intended for very high density applications such as A.T.E. switching matrices or multiplexers.

They are pin compatible with the Pickering Series 116 and 117 but have a slightly higher profile.

The reed switch/coil assemblies used in this series are the same as used in the long established and well proven, Series 109 and 109P.

Pickering Series 113

Single-in-Line Reed Relays
For stacking on 0.15 x 0.5 inches pitch giving SUPERB PACKING DENSITY

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Plastic package with internal mu-metal magnetic screen
• They take up very little area, conserving board space
• High insulation resistance - greater than 10E12 Ohms (1TOhms) for Form A types and greater than 1E10 (10G ohms) for Form C types
• 5 and 12 Volt coils are standard, with or without internal diode
• 1 Form A, 5 volt version has a coil resistance of 500 ohms - drives directly from TTL logic
• 100% tested for dynamic contact resistance

The Pickering Series 113 is a range of magnetically screened single-in-line reed relays that require a board area of only 0.15 inches (3.8mm.) by 0.5 inches (12.7mm.)

The Form A (energize to make) versions retain the 10 Watts, 0.5 Amps rating associated with larger relays. The changeover version has a 3 Watts rating.

Pickering Series 112

Single-in-Line Reed Relays
For stacking on 0.15 x 0.4 inches pitch giving SUPERB PACKING DENSITY

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Ideal for high density card based systems and Automatic Test Equipment
• Plastic package with internal mu-metal magnetic screen
• They take up the minimum of board area, conserving board space
• Insulation resistance greater than 10E12 Ohms (1TOhms)
• 5 Volt coils of 500 ohms may be driven directly from TTL logic
• 5, and 12 Volt coils are standard, with or without internal diode
• 100% tested for dynamic contact resistance

The Pickering Series 112 is a range of magnetically screened single-in-line reed relays that require a board area of only 0.15 inches (3.8mm.) by 0.4 inches (10mm.) while retaining the 10 Watts, 0.5 Amps rating associated with larger relays.

This small footprint is achieved by mounting the reed switch diagonally within the package.

Pickering Series 111

PICO SIL Reed Relays
Including coaxial types for up to 1.5 GHz for stacking on 0.15 x 0.4 inches pitch giving SUPERB PACKING DENSITY

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Mu-metal magnetic screening
• Internal mu-metal magnetic screen
• Two package styles - Mu-metal package or Plastic package with internal mu-metal magnetic screen
• They take up the minimum of board area,conserving board space
• Insulation resistance greater than 10E12 Ohms (1TOhms)
• 5 Volt coils with or without internal diode
• 100% tested for dynamic contact resistance

The Pickering Series 111 is a range of magnetically screened single-in-line reed relays that stack on 0.15 inches by 0.4 inches pitch. They have an identical footprint to the Series 110 and 112 but the height is reduced to only 0.26 inches (6.6mm).

The switch rating of 3 Watts is adequate for most instrumentation applications. If a higher power rating is required, please look at our Series 110 or 112 which have a 10 Watts rating and an identical pin-out. The range also includes the type 111RF, a 50 ohms coaxial device suitable for use up to 1.5 GHz.

Pickering Series 110

V-SIL Reed Relays
For stacking on 0.15 x 0.4 inches pitch giving SUPERB PACKING DENSITY

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Plastic package with internal mu-metal magnetic screen
• They take up the minimum of board area, conserving board space
• Insulation resistance greater than 10E12 Ohms (1TOhms)
• 5 and 12 Volt coils are standard, with or without internal diode
• 5 Volt coils of 500 ohms may be driven directly from TTL logic
• 100% tested for dynamic contact resistance

The Pickering Series 110 V-SIL (vertical single-in-line) is a range of magnetically screened single-in-line reed relays that stack on 0.15 inches by 0.4 inches pitch.The switches in this range are mounted vertically within the package, this allows the use of the same switch types as would normally be found in relays requiring a very much larger board area.

In this way, a 10 Watt switch power rating is achieved. Two types of Form A (energize to make) switches are available, a general purpose version and type suitable for low level or “cold” switching applications.

Pickering Series 109

Micro-SIL Reed Relays - Including coaxial types for stacking on 0.15 x 0.6 inches pitch giving SUPERB PACKING DENSITY

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• 1 Form A (energise to make)
• 2 Form A (energise to make)
• 1 Form C (change over)
• 1 Form B (energise to break)
• 1 Form A Coaxial 50 Ohms impedance (energise to make)
• 1 Form A Coaxial 75 Ohms impedance (energise to make)
• Insulation resistance greater than 10E12 Ohms (1TOhms)
• 5 and12 Volt coils are standard, with or without internal diode

The mu-metal packaged Series 109 and 109RF and the plastic packaged Series 109P and Series 109PH, are magnetically screened single-in-line reed relays that stack on 0.15 inches x 0.6 inches pitch. The adjacent column gives further details of the device types available.

These relays require little more than half the board area of themore usual 0.2 x 0.8 inch devices, this allows around 80 percent more relays onto your board.

These are the ideal choice for high density applications such as A.T.E. switching matrices or where very little board area is available.

Pickering Series 108

Micro SIL Reed Relays
For stacking on 0.15 x 0.8 inches pitch

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Encapsulated in a mu-metal can
• Internal mu-metal magnetic screen
• Insulation resistance greater than 10E12 Ohms (1TOhms) for Form A devices
• Dry switches available in 1 Form A, 2 Form A and 1 Form C configurations. 2 Form A types require the same board area as 1 Form A
• 5 Volt coils are 500 ohms and may be driven directly from TTL logic
• 5, 12 and 24 Volt coils are standard, with or without internal diode
• 100% tested for dynamic contact resistance

The Pickering Series 108 is a range of magnetically screened single-in-line reed relays that stack on 0.15 inches (3.8mm) pitch, resulting in a 25 percent saving in board space over 0.2 inch (5.08mm) wide relays.

This means that it is possible to pack 33 percent more relays into the same board area.

Pickering Series 200

Surface Mount Reed Relays
Including coaxical types for up to 5GHz

• SoftCenter™ construction
• Highest quality instrumentation grade switches
• Encapsulated in plastic package with internal mu-metal screen for side-by-side mounting without magnetic interaction
• Insulation resistance greater than 10E12 Ohms (1TOhms) for Form A devices
• For R.F. or high speed digital applications, 50 or 75 ohms coaxial devices are available in the same small package
• Wide range of switch configurations - 1 Form A, 1 Form B, 2 Form A. 1 Form C
• Dry and mercury wetted switches available
• 5 and 12 Volt coils are standard, with or without internal diode
• 100% tested for dynamic contact resistance

The Series 200 is a complete range of surface mount reed relays.Both dry and mercury wetted switches are available in a wide range of configurations including coaxial types for RF up to 5GHz, or high speed digital switching with a step response time of less than 30ps. Please contact our technical department for
supplementary RF data.

The special high temperature plastic package will withstand the temperatures associated with Infra-red or vapour phase reflow soldering processess. A flexible inner encapsulant protects the sensitive glass/metal reed switch seals - this is a very big advantage over the more usual hard moulded package.

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PCB switching design and using the correct Reed Relays ​

Wednesday 26th August 2020
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