RI12

Dry reed switch for sealed mechanical switching. Magnetic actuation closes or opens reed contacts without gas-discharge or thermionic operation.

Directly heatedCold cathodeCommon cathodeDissimilarSpecialized

Sections: 1
Base: -
Socket code: -
Base pins: -
Nominal heater: -

Description

Hermetically sealed miniature dry reed switch with normally open contacts. This is an electromechanical component rather than a vacuum tube; the source is retained as supplied and its electrical switching limits and timing characteristics are preserved.

General specifications

Tube and section characteristics

Properties common to every published source and operating point.

Heater and base

Base: -
Socket code: -
Base pins: -
Nominal heater voltage: -
Nominal heater current: -
Parallel heater voltage: -
Parallel heater current: -
Series capable: No

Terminal pinout

Electrical assignments shared by every tube using this base designation.

No verified pinout is recorded for this base designation.

Section ratings

1 physical section, each with unique specifications.

Section 1

MechanicalVacuumSwitch

X-ray radiationInterelectrode capacitances

No fixed ratings are recorded for this section.

Source is a dry reed switch rather than a vacuum tube; electrical switching characteristics are preserved as parameters.

Source-dependent data

Operating conditions by source

Each block preserves the test conditions and published values from one reference. Values from different sources are intentionally kept separate.

Data set 01

1999 Philips E-Z

Published operating points and test conditions from this source.

SECTION 1

MechanicalVacuumSwitch

Other

Switched power
5 W
Switched current
100 mA
Resonant frequency of single reed approx
1630 Hz
perature of [1]
240 °C
perature of [2]
10 s
Breakdown voltage min
1000 V
Insulation resistance, initial (V [1]
100 V
Insulation resistance, initial (V [2]
105 MQ
L av
0.6 ms
Operaring time. including bounce max
1 ms
Switched current max
100 mA
Hold ampere turns min
27 A
Current through closed contacts max
1 A
o ' max
130 mQ
Release ampere turns max
15 A
Release time max
50 us
Measured with
80 A
Mcasured with
40 A
Switched power max
5 W
Switched voltage max
65 V
Switched current max
100 mA
surge (T = max. 100 ns) max
1.5 A
b) the release time exceeds
1.5 ms
Capacitive loading resulting in a peak currentof
1.4 A
V, nominal switched current
100 mA
Impact : Acceleration 50 g during
11 ms
to close, nor a contact kept closed by an
80 A
Vibration: Frequency range [1]
50 Hz
Vibration: Frequency range [2]
1300 Hz

Capacitance

Capacitance without test coil
0.7 pF
p Y with carthed test coil
0.35 pF
Non-operative ampere turns max
30 A
Opcrating ampere turns max
58 A