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參數資料
| 型號： | SR75-3S |
| 廠商： | TELEDYNE TECHNOLOGIES INC |
| 元件分類： | 繼電器，輸入/輸出模塊 |
| 英文描述： | TRANSISTOR OUTPUT SOLID STATE RELAY, 1000 V ISOLATION-MAX |
| 封裝： | PLASTIC, TO-116, SURFACE MOUNT, DIP-8/16 |
| 文件頁數： | 1/2頁 |
| 文件大小： | 187K |
| 代理商： | SR75-3S |
2004 TELEDYNE RELAYS
(800) 284-7007 www.teledynerelays.com
SR75-3 1
SR75-3\062004\Q1
0.5A, 400 Vdc Optically Isolated, Short-Circuit Protected
for AC or DC Loads DC Solid-State Relay
FEATURES/BENEFITS
Short-Circuit Protected: Prevents
damage to system components,
assemblies and system wiring
Designed for AC application using a
bridge rectifier.
Optical Isolation: Isolates control
circuits from load transients
eliminates ground loops and signal
ground noise
Low Off-State Leakage
Switches High Voltages: To 400 Vdc
Switches High Currents: To 0.5 Adc
High Noise Immunity: Control
signals isolated from switching noise
High Dielectric Strength: For safety
and for protection of control and
signal level circuits
DESCRIPTION
The SR75-3 solid-state relay utilizes a
power FET switch that is protected
against overload and short-circuit
currents. The short-circuit protection
feature not only provides protection
should a short or overload occur while
the relay is on, but will also provide
protection
should
the
relay
be
switched into a short. Once the
protection trips the relay off it will
remain off until reset by cycling the
input line. Using the SR75-3 to switch
power sources and loads prevents
damage to system assemblies and
system wiring. The power FET output
offers low “ON” resistance and can
switch loads in either the high or the
low side of the power line. The SR75-
3 is packaged in a 16-pin DIP
package with either surface mount or
through-hole mounting available.
Series SR75-3
Part Number* Relay Description
SR75-3
Solid-State Relay with Terminals for Through-Hole Mount
SR75-3S
Solid-State Relay with Terminals for Surface Mount
*A ‘W’ or ‘T’ suffix denoting the
Teledyne reliability screening level, must
be added to the part number.
ELECTRICAL SPECIFICATIONS
(-55
°C TO 105°C, Ambient Temperature, Unless Otherwise Specified)
INPUT SPECIFICATIONS
Min
Max Units
Voltage Range (See Note 2)
3.8
32.0
Vdc
Input Current @ 5 Vdc (See Figure 2)
11.0
mA
Must Turn-On Voltage (See Note 3)
3.8
Vdc
Must Turn-Off Voltage
1.5
Vdc
Reverse Voltage Protection
-32.0
Vdc
OUTPUT (LOAD) SPECIFICATION
Min
Max Units
Load Voltage Rating
400
Vdc
Transient Blocking Voltage (See Note 5)
500
Vdc
Output Current Rating (See Figure 4)
0.5
Adc
On Resistance (See Figure 3) @ 25C
2.4
Ohm
Leakage Current at Rated Voltage
100
A
Turn-On Time
2.5
ms
Turn-Off Time
0.5
ms
dV/dt @ 400 V (See Note 5)
100
V/
s
Electrical System Spike (See Note 5)
± 600 Vpk
Output Capacitance @ 25 Vdc (See Note 5)
80
pF
Input to Output Capacitance at 1 KHz (See Note 5)
5
pF
Dielectric Strength (See Note 5)
1000
Vrms
Insulation Resistance @ 500 Vdc (See Note 5) 108
Ohm
Junction Temperature
130
°C
Thermal Resistance Junction to Ambient
90
C/W
Solderability (10 sec)
260
°C
BLOCK DIAGRAM
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