RI-90 [COTO]
Dry Reed Switch; 干簧开关
| 型号： | RI-90 |
| 厂家： | 
COTO TECHNOLOGY |
| 描述： | Dry Reed Switch |
| 文件： | 总2页 (文件大小：88K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
RI-90 Series Dry Reed Switch
RI-90 Series
Micro changeover dry-reed switch hermetically sealed in a gas-filled
envelope. Single-pole, double-throw (SPDT) type, having a normally
open and a normally closed contact.
The switch may be actuated by an electromagnet, a permanent
magnet or a combination of both.
The device is intended for use in sensors, relays, pulse counters or
similar devices.
RI-90 Series Features
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Ideal for ATE switching & proximity sensors
Contact layers: Ruthenium on gold
Superior glass-to-metal seal and blade alignment
Excellent life expectancy and reliability
Dimensions in inches (mm)
General data for all models RI-90
End of life criteria:
Contact resistance > 1Ω after 2 ms
Release time > 2 ms (latching or contact sticking).
Switching different loads involves different life expect-
ancy and reliability data. Further information is avail-
able on request.
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
Operating and Storage Temperature
Coils
Operating ambient temperature; min: -55°C;
max: +125°C. Storage temperature; min: -55°C; max:
+125°C. Note: Temperature excursions up to 150°C
may be permissible. For more information contact your
nearest Coto Technology sales office.
All characteristics are measured using the Philips
Standard Coil. For definitions of the Philips Stan-
dard Coil, see Reed Switch Technical & Application
Information Section of this catalog.
Life expectancy and reliability
Soldering
The life expectancy data given below are valid for a
coil energized at 1.25 times the published maximum
operate value for each type in the RI-90 series.
The switch can withstand soldering heat in accordance
with “IEC 68-2-20”, test Tb, method 1B:solder bath at
350 10°C for 3.5 0.5 s. Solderability is tested in
accordance with “IEC 68-2-20”, test Ta, method 3:
solder globule temperature 235°C; ageing 1b: 4 hours
steam.
No load conditions (operating frequency:
100Hz)
Life expectancy : min. 108 operations with a failure
rate of less than 2 x 10-9 with a confidence level of
90%.
Welding
The leads can be welded.
COTO TECHNOLOGY (USA) Tel: (401) 943-2686 / Fax (401) 942-0920
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(Europe) Tel: +31-45-5439343 / Fax +31-45-5427216
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RI-90 Series Dry Reed Switch
Model Number
Parameters
RI-90
Test Conditions Units
Operating Characteristics
Operate Range
AT
AT
10-30
Min 5
1.0
Release Range
Operate Time - (max)
Bounce Time (max)
Release Time (max)
Resonant Frequency (typ.)
(energization)
(energization)
(energization)
ms
ms
ms
Hz
1.5
1.0
TBD
Electrical Characteristics
Switched Power (max)
W
V
5
Switched Voltage DC (max)
Switched Voltage AC, RMS value (max)
Switched Current DC (max)
Switched Current AC, RMS value (max)
Carry Current DC (max)
175
125
400
280
0.5
V
mA
mA
A
Breakdown Voltage (min)
V
200
140
120
0.8
Contact Resistance (initial max)
Contact Resistance (initial typ.)
Contact Capacitance (max)
m
m
Ω
Ω
without test coil
pF
103
M
Ω
RH
≤ 45%
Insulation Resistance (min)
Mounting
The leads should not be bent closer than 1 mm to the
glass-to-metal seals. Stress on the seals should be
avoided. Care must be taken to prevent stray magnetic
fields from influencing the operating and measuring
conditions.
For Most Recent Data, Consult the Coto Technology Website: www.cotorelay.com
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E-mail: info@cotorelay.com
85
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