RI-46 Series
RI-46 S
ERIES
Micro dry-reed switch hermetically sealed in a gas-filled glass envelope.
Single-pole, single-throw (SPST) type, having normally open contacts,
and containing two magnetically actuated reeds.
The switch is of the double-ended type and may be actuated by an
electromagnet, a permanent magnet or a combination of both.
The device is intended for use in relays, sensors, pulse counters or
similar devices.
EATURES
RI-46 S
ERIES
F
EATURES
u
Can switch main voltage
u
Can handle up to 40 W load
u
Contact layers: Gold, sputtered ruthenium
u
Superior glass-to-metal seal and blade alignment
u
Excellent life expectancy and reliability
G
ENERAL DATA FOR ALL MODELS
RI-46
AT-Customization / Preformed Leads
Besides the standard models, customized products can also
be supplied offering the following options:
!
Operate and release ranges to customer specification
!
Cropped and/or preformed leads
C
OILS
All characteristics are measured using the Philips Standard
Coil. For definitions of the Philips Standard Coil and the
standard MIL Coil, refer to
鈥淎pplication Notes鈥?/div>
in the
Reed Switch Technical & Application Information
Section
of this catalog.
Relationship between
Standard
Relationship betw een Philips Standard Coil and Stan-
dard
dard MIL Coil
Operate value of standard MIL Coil = 0.79 x operate value
of Philips Standard Coil + 2.26 AT.
Release value of standard Mil Coil = 0.83 x release value of
Philips Standard Coil + 1.31 AT.
EXPECTANCY
L
IFE EXPECTANCY AND RELIABILITY
The life expectancy data given below are valid for a coil
energized at 1.5 times the published maximum operate
value for each type in the RI-46 series.
Dimensions in inches (mm)
less than 10
-9
with a confidence level of 90%.
End of life criteria:
Contact resistance > 1
鈩?/div>
after 2 ms
Release time > 2 ms (latching or contact sticking).
(resisti
esistiv
Loaded conditions (r esistiv e load: 20 V; 500 mA;
opera
frequenc
equency:
opera ting frequency: 125 Hz)
RI-46AA
Life expectancy: min. 10
7
operations with a failure rate of
less than 10
-8
with a confidence level of 90%.
End of life criteria:
Contact resistance > 2
鈩?/div>
after 2.5 ms
Release time > 2.5 ms (latching or contact sticking).
RI-46A; RI-46B; RI-46C
Life expectancy: min. 2.5 x 10
7
operations with a failure
rate of less than 10
-8
with a confidence level of 90%.
End of life criteria:
Contact resistance > 2
鈩?/div>
after 2.5 ms
Release time > 2.5 ms (latching or contact sticking).
(opera
frequenc
equency:
No-load conditions (opera ting fr equency: 100 Hz)
8
Life expectancy: min. 10 operations with a failure rate of
Rhopoint Components Ltd
Fax: +44 (0) 1883 712938 Phone: +44 (0) 1883 717988 web: www.rhopointcomponents.com e-mail: sales@rhopointcomponents.com
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