HI-Relay

Picture HI Relay

High-insulation Reed Relays

A high-insulation resistance of up to 10000 Gigaohm with low dielectric constant is achieved by the use of special, high-insulating plastic for the coil former. Rated power up to 50 Watt can be realized. Versions with mercury wetted switches are available. The HI-relay is packaged into only 28 x 7.5 x 7.9 mm.

Typical applications:

  • Measurement equipment
  • Test systems
  • Control systems
  • Medical applications

Dimensions

Tolerance +/- 0.10mm (0.004 inch)

Dimension Drawing

Relay Data

Operating temperature (°C) -20/+70 (HG wetted -20/+55)
Storage temperature (°C) -25/+85
Isolation coil / contact min. (kV) 2.5 DC/1.0 AC
Insulation coil / contact min. (Ohm) 1012
Life expectancy Dependent upon load, please refer to factory
Soldering time/temperature max. 5 sec./260°C

Contact Data

Contact type 71 75 88 79
Contact form A/dry A/dry A/Hg A/dry
Rated power max. (W) 10 10 50 25
Switching voltage max. (VDC) 200 500 1000 1000
Switching current max. (A) 0.5 0.5 1.0 1.0
Carry current max. (A) 1.0 1.0 2.0 2.0
Contact resistance max. (mOhm) 150 200 60 150
Insulation resistance min. (Ohm) 1010 1011 1010 1011
Breakdown voltage min. (VDC) 250 1500 1500 2500
Operating time incl. bounce typ. (ms) 0.5 0.5 2.5 no bounce 0.8
Releasing time typ. (ms) 0.3 0.1 2.0 0.4
Shock at 11ms max. (g) 150 30 10 50
Vibration max. (g)
(Hz)
10
10-2000
30
50-1500
5
50-2000
50
50-1000

Data at 140% pull-in energization and 20°C. Other switches on request.

Coil Data (Data at 20°C)

Contact form Contact type Nominal voltage
(VDC)
Coil resistance +/- 10%
(Ohm)
Pull-in voltage max.
(VDC)
Drop-out voltage min.
(VDC)
Maximum voltage 20°
(VDC)
Maximum voltage 60° (at Hg 50°)
(VDC)
Nominal power
(mW)
1A 71
75
5 600 3.5 0.75 26 16 42
12 3000 8.4 1.8 59 36 48
24 6000 16.8 3.6 83 51 96
1A 88
HG wetted
5 160 3.5 0.75 13 8 156
12 1100 8.4 1.8 35 22 131
24 3600 16.8 3.6 64 40 160
1A 79 5 140 3.5 0.75 12 7 179
12 900 8.4 1.8 32 20 160
24 3500 16.8 3.6 64 39 165

Diagram view from component side (pitch 2.54 mm / 0.1 inch)

Footprint

Order information

Example for ordering

HI 12 – 1A71

HI relay, 12V coil voltage, 1 form A switch 71

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