Micro SIL Reed Relays

SINGLE-IN-LINE (SIL/SIP) RELAYS

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

• SoftCenter™ construction
• Highest quality instrumentation grade reed switches
• Encapsulated in a mu-metal can
• Insulation resistance greater than 10E12 Ohms (1TOhms) for Form A devices
• Many benefits compared to industry standard relays. Learn more here >.
• Dry reed switches available in 1 Form A / SPST (N.O), 2 Form A / DPST (N.O.) and 1 Form C / SPDT (changeover) 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

Download Data Sheet PDF 

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.

Their small size, superb contact resistance stability and ultra high insulation resistance, greater than 10¹² ohms for Form A devices, make these relays a popular choice for high quality instrumentation.

The device is encapsulated in a mu-metal can using a very high resistivity resin. Mu-metal is used rather than steel because of both its very high permeability and its low magnetic remanence. This construction totally eliminates the risk of magnetic interaction problems. Magnetic interaction is usually measured as a percentage increase in the voltage required to operate a relay when two additional relays, stacked one each side, are themselves operated. An unscreened device mounted on this pitch would have an
interaction figure of around 40 percent, it would therefore be totally unsuitable for applications where relays are to be packed densely. Pickering Series 108 have a typical interaction figure of only 1 percent.

Dry switches are available in 1 or 2 Form A (energize to make) and 1 Form C (change-over) configurations. 3, 5 and 12 Volt coils are available, 5 Volt coils have a resistance of 500 Ohms and may therefore be driven directly from TTL logic.

Download the Series 108 Datasheet

All our data sheets have been recently updated to include additional environmental specifications, mechanical characteristics and relay weights, RF plots for coaxial relays (showing VSWR, isolation and insertion loss), interactive links to further useful information, comparison tables to similar relay ranges and much more.

Download the Series 108 3D Models

The download is a zip file containing 3D models in STEP, IGS and SLDPRT formats (free viewers are available for these formats).

  • Free Sample Service - determining which components to design in can be challenging. Fortunately, here at Pickering Electronics, we provide free working samples to help you evaluate our high-quality Reed Relays.
  • Reed Relay Selector Tool - this tool will help you narrow down our large offering to get you the correct reed relay for your application. Once you narrow your selections down you can download a relay datasheet for more information, purchase in stock items or request a quote to find out lead times of made to order (MTO) relays.
  • Concise Tech Guide - this guide will help you to maximise the reliability of your design.
  • Quality Assurance - learn more about the various accreditations and certifications that Pickering holds.
  • Custom Designed Reed Relays - With over a thousand catalog parts there is plenty of choice when choosing the right Reed Relay for your product, but if you cannot find one suitable for your needs Pickering can customize our standard reed relay parts to suit your specific requirements and applications.

All Pickering reed relays feature the highest quality instrumentation grade reed switches making them suitable for the most demanding applications. Internal mu-metal magnetic screens (optional on Series 103) allow very high packing density. Diodes are optional.

The below table will help you narrow down our offering to get you the correct reed relay for your application.

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Switching Current (Amps)
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Switching Voltage (DC or AC peak)
Stand-off Voltage (DC or AC peak)
Coil Voltage
Coil Resistance (Ω)
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Stock
Price
Add to Bag
1 Form A - SPST N.O.
1
Amps
20
200
240
5V
500 Ω
General Dry Reed
No
3.7
20
6.6
22
$8.18
Max: 22
Min: 1
Step: 1
Add
1 Form C - SPDT Changeover
0.25
Amps
3
200
200
12V
1000 Ω
Changeover
Yes
3.7
20
6.6
147
$14.60
Max: 147
Min: 1
Step: 1
Add
1 Form A - SPST N.O.
1
Amps
20
200
240
12V
1000 Ω
General Dry Reed
Yes
3.7
20
6.6
10
$8.67
Max: 10
Min: 1
Step: 1
Add
1 Form C - SPDT Changeover
0.25
Amps
3
200
200
12V
1000 Ω
Changeover
No
3.7
20
6.6
0 - MTO
$14.14
1 Form A - SPST N.O.
1
Amps
20
200
240
12V
1000 Ω
General Dry Reed
No
3.7
20
6.6
0 - MTO
$8.30
2 Form A - DPST N.O.
1
Amps
15
200
240
5V
375 Ω
General Dry Reed
Yes
3.7
20
8.9
8
$11.66
Max: 8
Min: 1
Step: 1
Add
1 Form A - SPST N.O.
0.5
Amps
10
200
240
3V
330 Ω
Low Level Dry Reed
Yes
3.7
20
6.6
69
$8.45
Max: 69
Min: 1
Step: 1
Add
2 Form A - DPST N.O.
1
Amps
15
200
240
5V
375 Ω
General Dry Reed
No
3.7
20
8.9
3
$11.25
Max: 3
Min: 1
Step: 1
Add
1 Form A - SPST N.O.
0.5
Amps
10
200
240
3V
330 Ω
Low Level Dry Reed
No
3.7
20
6.6
0 - MTO
$8.08
2 Form A - DPST N.O.
1
Amps
20
200
240
12V
1000 Ω
General Dry Reed
Yes
3.7
20
8.9
0 - MTO
$11.97
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