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參數(shù)資料
| 型號： | ort233 |
| 廠商： | OKI SEMICONDUCTOR CO., LTD. |
| 英文描述： | Reed Switch(舌簧開關(guān)) |
| 中文描述： | 干簧（舌簧開關(guān)） |
| 文件頁數(shù)： | 32/145頁 |
| 文件大小： | 729K |
| 代理商： | ORT233 |
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DESCRIPTION OF SYMBOLS AND TERMS
REED SWITCH
30
Term
Symbol
Unit
Description and Test Methods
Test method: MIL-STD-202F METHOD301 Breakdown voltage shown here is
the value measured for the switch whose pull-in value is 20 AT or more. The
criterion of leak current is less than 0.1 mA for one minute.
Insulation resistance is the resistence between lead ends and the resistance
against leak current across the reed switch glass tube or its surface.
Test method: MIL-STD-202F METHOD302
Measurement is made by using a DC 100 V super megger.
Electrostatic capacitance is the value of capacitance between open contacts.
The overlap of reed switch contacts is uniform. Therfore, when the contact
gap becomes large, accompanying an increase in pull-in value, the electrostatic
capacitance becomes small.
Erectrostatic capacitance is measured at 1 MHz-0.1 V
Contact rating is the maximum product of the voltage and current at which
contacts operate and contact switching performance is stable. This is a very
important value. In order to anticipate constant life expectancy and assure
reliability when switching is performed, the contact rating must not be
exceeded and it is less than the product of (maximum switching voltage) X
(maximum switching current).
Contact rating is also called contact capacitance or contact power allowance.
Maximum switching voltage is the maximum voltage at which contacts can be
switched. It is used as a reference value of voltage for contact switching
performance. In order to anticipate constant life expectancy and assure
reliability when switching is performed, the maximum switching voltage must
not be exceeded.
Maximum switching voltage is also called rated contact voltage, maximum
working voltage, or allowable contact voltage.
Maximum switching current is the maximum current at which contacts can be
switched. It is a reference value of current for contact switching performance.
In order to anticipate constant life expectancy and assure reliability when
switching is performed, the maximum switching current must not be
exceeded.
Maximum switching current is also called rated contact current, maximum on-
off contact current, or rated on-off current.
Insulation
Resistance
V
Electrostatic
Capacitance
pF
Contact Rating
W
VA
Maximum
Switching
Voltage
V
Maximum
Switching
Current
A
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