REED RELAYS FOR GENERAL INSTRUMENTATION

Take a look at Pickering Reed Relays for General Instrumentation if the board area is not so critical to your design. These relays feature the highest grade switches and have an external or internal Mu-metal magnetic screen fitted.

For General Instrumentation applications where switching is required, reed relays can often be the best solution when compared to other switching technologies. Using the highest-grade reed switches ensures low and stable contact resistance, fast operating times and long life. 

electronic measuring instruments in hitech computer laboratory

Reed switch contacts are sealed in a glass tube with an inert gas or a vacuum ensuring excellent low-level performance whereas, with electromechanical relays, where the contacts are open to the environment, they can be affected by oxidization or dust and debris. And unlike electromechanical relays where the contacts are mechanically moved, the reed switch is operated by the small magnetic deflection of the contact blades, so with no moving parts to wear out, mechanical life can be over 1000 times longer. Compared to semiconductors, the simplicity of a metallic conducting path from a closed reed switch can be preferable, with the advantage of no controlling voltages across the switch path.

Pickering Reed Relays for General Instrumentation offer SPST and DPST normally open, SPST normally closed and SPDT and DPST configurations, all featuring magnetic screening as standard to allow side-by-side stacking. With such a wide range of options, they can provide solutions for many different applications including test equipment, automation control, interfacing and general hardware control, and Pickering can offer customization to meet unique requirements.

Recommended Reed Relays for General Instrumentation

Series 105 – 20W (Dry) & 50W (Mercury)

Up to 20W switching for dry reed relays, up to 50W switching for mercury reed relays. 3, 5, 12 & 24 V coils. 1 Form A, 2 Form A, 1 Form B & 1 Form C configurations. Insulation resistance >1012 Ω.

The Series 105 is a range of Single-in Line reed relays, available with a wide variety of switching configurations and switch types, including mercury wetted versions. They feature internal mu-metal magnetic screens which allow high packing density without the risk of magnetic interaction problems. matrices or where very little board area is available.

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Series 106 – up to 20W + 1.5kV stand-off

Up to 20W switching. 1 Form A and 1 Form C configurations. 3, 5 or 12 V coils available. Ideal choice for automatic test equipment. The Series 106 is a range of Single-In-Line reed relays intended for stacking on 0.2 inches pitch.

Their small size, superb contact resistance stability and ultra high insulation resistance, make these relays an ideal choice for Automatic Test Equipment. They have an internal mu-metal screen to eliminate problems that would otherwise be experienced due to magnetic interaction.

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Series 107 – up to 20W

Up to 20W switching. Wide range of switch configurations – 1 Form A, 1 Form B, 2 Form A, 1 Form C, and 2 Form C. 3 V, 5 V, 12 V or 24 V coils with optional internal diode.

The Series 107 Mini-SIL range of reed relays are intended for stacking on 0.2 inches (5.08mm) pitch. Their small size, superb contact resistance stability and ultra high insulation resistance, make these relays an ideal choice for high quality instrumentation.

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Shop Reed Relays for General Instrumentation

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

Once you narrow your selections down you can download a reed relay data sheet for more information or request a quote to find out prices and lead times.

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PEL Contact Configuration
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Switching Power
(Watts)
PEL Diode
Switching Voltage
(DC/AC peak)
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(DC/AC peak)
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Part Number
Contact Configuration
Switching Current (Amps)
Switching Power (Watts)
Switching Voltage (DC or AC peak)
Stand-off Voltage (DC or AC peak)
Coil Voltage
Coil Resistance (Ω)
Switch Type
Diode
Depth (mm)
Width (mm)
Height (mm)
View Datasheet
Stock
Price
Add to Bag
1 Form A - SPST N.O.
0.5
Amps
10
200
240
3V
500 Ω
Low Level Dry Reed
No
4.8
19.1
7.6
0 - MTO
$9.13
1 Form B - SPST N.C.
1
Amps
15
200
240
5V
1000 Ω
General Dry Reed
No
4.8
19.1
10.2
6
$14.88
Max: 6
Min: 1
Step: 1
Add
1 Form A - SPST N.O.
0.5
Amps
10
400
500
24V
3000 Ω
High Voltage Reed
Yes
4.8
19.1
7.6
14
$13.93
Max: 14
Min: 1
Step: 1
Add
2 Form A - DPST N.O.
0.5
Amps
10
200
240
5V
500 Ω
Low Level Dry Reed
Yes
4.8
19.1
10.2
5
$14.74
Max: 5
Min: 1
Step: 1
Add
1 Form A - SPST N.O.
2
Amps
50
500
550
12V
500 Ω
Position Insensitive Hg
No
4.8
19.1
7.6
32
$62.03
Max: 32
Min: 1
Step: 1
Add
2 Form A - DPST N.O.
2
Amps
50
500
550
24V
1000 Ω
Std Mercury Reed
No
4.8
19.1
10.2
10
$128.31
Max: 10
Min: 1
Step: 1
Add
1 Form A - SPST N.O.
0.5
Amps
10
200
240
5V
500 Ω
Low Level Dry Reed
Yes
4.8
19.1
7.6
55
$9.50
Max: 55
Min: 1
Step: 1
Add
1 2 22