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參數(shù)資料
| 型號： | 3386H-1-504 |
| 英文描述： | TRIMMER 11MM CERMET EIN 500K 300V 0.5W |
| 中文描述： | 修邊機11毫米艾因500K的300V金屬陶瓷為0.5W |
| 文件頁數(shù)： | 82/86頁 |
| 文件大?。?/td> | 3230K |
| 代理商： | 3386H-1-504 |
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Specifications are subject to change without notice.
86
TRIMMING POTENTIOMETERS AND DEFINITIONS
The following terms and definitions have been edited from the
Industrial Standard published by the Variable Resistive Components
Institute. It is intended to encourage standardization in communica-
tion and understanding between the manufacturer and user. The
complete standard, including detailed test procedures, is available
upon request.
GENERAL TERMS
TRIMMING POTENTIOMETER: An electrical mechanical device with
three terminals. Two terminals are connected to the ends of a
resistive element and one terminal is connected to a movable
conductive contact which slides over the element, thus allowing
the input voltage to be divided as a function of the mechanical
input. It can function as either a voltage divider or rheostat.
WIREWOUND TRIMMING POTENTIOMETER: A trimming poten-
tiometer characterized by a resistance element made up of
turns of wire on which the wiper contacts only a small portion of
each turn.
NON-WIREWOUND TRIMMING POTENTIOMETER: A trimming
potentiometer characterized by the continuous nature of the
surface area of the resistance element to be contacted. Contact
is maintained over a continuous, unbroken path. The resistance
is achieved by using material compositions other than wire such
as carbon, conductive plastics, metal film and cermet.
RESISTANCE ELEMENT: A continuous, unbroken length of resistive
material without joints, bonds or welds except at the junction of
the element and the electrical terminals connected to each end
of the element, or at an intermediate point such as a center tap.
ADJ USTMENT SHAFT: The mechanical input member of a trimming
potentiometer which when actuated causes the wiper to
traverse the resistance element resulting in a change in output
voltage or resistance.
SINGLE-TURN ADJ USTMENT: Requires 360o or less mechanical
input to cause the wiper to traverse the total resistance element.
MULTITURN ADJ USTMENT: Requires more than 360o mechanical
adjustment to cause the wiper to traverse the total resistance
element.
TERMINAL: An external member that provides electrical access to
the resistance element and wiper.
LEADWIRE TYPE TERMINAL: Flexible insulated conductor.
PRINTED CIRCUIT TERMINAL: Rigid uninsulated electrical conduc-
tor, suitable for printed circuit board plug-in.
SOLDER LUG TERMINAL: Rigid uninsulated electrical conductor,
suitable for external lead attachment.
WIPER: The wiper is the member in contact with the resistive ele-
ment that allows the output to be varied when the adjustment
shaft is rotated.
STOP-CLUTCH: A device which allows the wiper to idle at the ends
of the resistive element without damage as the adjustment shaft
continues to be actuated in the same direction.
STOP – SOLID: A positive limit to mechanical and/or electrical
adjustment.
STACKING: The mounting of one trimming potentiometer adjacent to
or on top of another utilizing the same mounting hardware.
THEORETICAL RESOLUTION: (Wirewound only) The theoretical
measurement of sensitivity to which the output ratio may be
adjusted; the reciprocal of the number of turns of wire in resis-
tance winding expressed as a percentage.
N = Total number of resistance wire turns.
1
N X 100 = Theoretical resolution percent.
INPUT AND OUTPUT TERMS
TOTAL APPLIED VOLTAGE: The total voltage applied between the
designated input terminals.
OUTPUT VOLTAGE: The voltage between the wiper terminal and the
designated reference point. Unless otherwise specified, the
designated reference point is the CCW terminal.
OUTPUT RATIO: The ratio of the output voltage to the designated
input reference voltage. Unless otherwise specified, the refer-
ence voltage is the total applied voltage.
LOAD RESISTANCE: An external resistance as seen by the Output
Voltage (connected between the wiper terminal and the desig-
nated reference point.)
ADJ USTMENT TERMS
DIRECTION OF TRAVEL: Clockwise (CW) or counterclockwise
(CCW) rotation when viewing the adjustment end of the poten-
tiometer.
MECHANICAL TRAVEL — SOLID STOPS: The total travel of the
adjustment shaft between integral stops. Continuity must be
maintained throughout the travel.
MECHANICAL TRAVEL — CLUTCHING ACTION: The total travel of
the adjustment shaft between the points where clutch actuation
begins. Continuity must be maintained throughout the travel
and during clutch actuation.
MECHANICAL TRAVEL — CONTINUOUS ROTATION: The total
travel of the adjustment shaft when the wiper movement is
unrestricted at either end of the resistive element as the adjust-
ment shaft continues to be actuated.
ADJ USTMENT TRAVEL (ELECTRICAL): The total travel of the adjust-
ment shaft between minimum and maximum output voltages.
CONTINUITY TRAVEL: The total travel of the shaft over which elec-
trical continuity is maintained between the wiper and the resis-
tance element.
ELECTRICAL AND OPERATIONAL CHARACTERISTICS
TOTAL RESISTANCE: The DC resistance between the input termi-
nals with the wiper positioned to either end stop, or in dead
band for continuous rotation potentiometers.
TEST VOLTAGE
YELLOW
GREEN
RED
CW ROTATION
CW
CCW
Applications/Processing Guide
Maximum
Test Voltage
Total Resistance, Nominal
Non-Wirewound
Volts DC
0.1
0.3
2.0
3.0
10
50
Wirewound
Volts DC
0.1
0.3
2.0
3.0
10
—
Ohms
.1 TO 1.0
1.0 to 50
50 to 100
100 to 1000
1K to 100K
Over 0.1 megohm
NOTE: The test voltages should never exceed the equivalent of 10% rated power.
The minimum voltage to be used is 10 MV.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 3386H-1-504LF | 功能描述:微調(diào)電阻 - 通孔 3/8" 500Kohms 10% 0.5Watts Square RoHS:否 制造商:Vishay/Sfernice 產(chǎn)品:Trimmer Resistors - Multi Turn 產(chǎn)品類型:Multiturn 轉(zhuǎn)數(shù):14 錐度:Linear 電阻:10 kOhms 電壓額定值:250 V 端接類型:Pin 功率額定值:250 mW (1/4 W) 容差:10 % 溫度系數(shù):100 PPM / C |
| 3386H-1-504LF | 制造商:Bourns Inc 功能描述:RESISTORS CERMET VARIABLE ROTARY (POTEN |
| 3386H-1-504T | 功能描述:微調(diào)電阻 - 通孔 3/8"SQ 500KOHMS 10% 0.5WATTS RoHS:否 制造商:Vishay/Sfernice 產(chǎn)品:Trimmer Resistors - Multi Turn 產(chǎn)品類型:Multiturn 轉(zhuǎn)數(shù):14 錐度:Linear 電阻:10 kOhms 電壓額定值:250 V 端接類型:Pin 功率額定值:250 mW (1/4 W) 容差:10 % 溫度系數(shù):100 PPM / C |
| 3386H-1-504TLF | 功能描述:微調(diào)電阻 - 通孔 3/8" 500Kohms 10% 0.5Watts Square RoHS:否 制造商:Vishay/Sfernice 產(chǎn)品:Trimmer Resistors - Multi Turn 產(chǎn)品類型:Multiturn 轉(zhuǎn)數(shù):14 錐度:Linear 電阻:10 kOhms 電壓額定值:250 V 端接類型:Pin 功率額定值:250 mW (1/4 W) 容差:10 % 溫度系數(shù):100 PPM / C |
| 3386H-1-505 | 功能描述:微調(diào)電阻 - 通孔 3/8"SQ 5MOHMS 10% 0.5WATTS RoHS:否 制造商:Vishay/Sfernice 產(chǎn)品:Trimmer Resistors - Multi Turn 產(chǎn)品類型:Multiturn 轉(zhuǎn)數(shù):14 錐度:Linear 電阻:10 kOhms 電壓額定值:250 V 端接類型:Pin 功率額定值:250 mW (1/4 W) 容差:10 % 溫度系數(shù):100 PPM / C |
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