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参数资料
| 型号： | AT021 |
| 厂商： | NKK Switches |
| 文件页数： | 3/4页 |
| 文件大小： | 0K |
| 描述： | CONNECTOR PLUG BLU 28-26AWG LEAD |
| 产品培训模块： | Switch Basics |
| 标准包装： | 1 |
Series FP01
SWITCH SPECIFICATIONS
Contactless Pushbuttons
Actuator Up
Actuator Down
Status of Photo Interrupter:
Collector Current I C :
Status of Photo Transistor:
Output Condition of Photo Transistor:
Unshaded
0.8mA minimum
On
I F = 20mA & V CE = 5V
Shaded
10μA maximum
Off
MECHANICAL SPECIFICATIONS
Total Travel:
Operating Force:
.079” (2.0mm)
0.75 N (.169 lbf)
D
Mechanical Life:
Operating Temperature Range:
3,000,000 operations minimum
–25°C through +50°C (–13°F through +122°F)
MATERIALS
Actuator:
Polyacetal
Housing:
Polyamide
PHOTO INTERRUPTER SPECIFICATIONS
(Temperature @ 25°C)
Electrical & Optical Characteristics
Typical
Maximum
Condition
Input
Forward Voltage V F :
Reverse Current I R :
1.3V
1.6V
10μA
I F = 50mA
F R = 5V
Transmission
Collector-Emitter S aturation Voltage V CE sat:
Absolute Maximum Ratings
Input LED
0.4V
Output Photo Transistor
I F = 20mA & I C = 0.1mA
Forward Current I F :
Reverse Voltage V R :
Power Dissipation P D :
50mA
5V
80mW
Collector-Emitter Voltage V CEO :
Emitter-Collector Voltage V ECO :
Collector Current I C :
Collector Dissipation P C :
30V
4.5V
30mA
80mW
Circuit Design Considerations
Output of the infrared LED in the photo interrupter
decreases approximately 50% after 100,000 hours.
V CC = 5V
180
4
R L
2
V OUT
Recommended load resistance (RL) is 40k ~ 120kΩ
for the illustrated circuit.
Threshold Voltage
V HI : 3.8V
V LO : 1.0V
3
GND
1
LED COLORS & SPECIFICATIONS
LEDs are an integral
part of the switch and
not available separately.
The electrical speci-
fications shown are
determined at a basic
temperature of 25°C.
If the source voltage
exceeds the rated
voltage, a ballast
resistor is required.
R +
E
–
R =
Where: R =
E =
V F =
I F =
I F
Anode
V F
Cathode
E – V F
I F
Resistor Value (Ohms)
Source Voltage (V)
Forward Voltage (V)
Forward Current (A)
Single Element LED
Forward Peak Current
Typical Forward Current
Forward Voltage
Reverse Peak Voltage
Current Reduction
Rate Above 25°C
Ambient Temperature Range
Color
I FM
I F
V F
V RM
?I F
C
Red
30mA
20mA
1.85V
5V
0.38mA
/°C
D
Amber
25mA
20mA
2.0V
5V
0.28mA
/°C
–25° ~ +50°C
F
Green
25mA
20mA
2.25V
5V
0.40mA
/°C
D6
www.nkk.com
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