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| 型號(hào)： | SR75-1W |
| 文件頁(yè)數(shù)： | 1/2頁(yè) |
| 文件大小： | 2697K |
| 代理商： | SR75-1W |
2000 TELEDYNE RELAYS
800-284-7007 www.teledynerelays.com
Page 67
DC SOLID STATE RELAY
FEATURES/BENEFITS
Short Circuit Protected -Prevents
damage to system components,
assemblies and system wiring
Optical Isolation - Isolates control
circuits from load transients
Eliminates ground loops and signal
ground noise
Low Off-State Leakage - For high off-
state impedance
Switches High Currents - To 1.5 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 SR75-1 solid state relay utilizes a
power FET switch that is protected against
short circuit and overload 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. In either case, the
relay will sense the short circuit condition
and then block it indefinitely until the short
is removed and the unit is reset by cycling
the input control. Using the SR75-1 to
switch power sources and loads can
prevent fires, 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 SR75-1 is
packaged in a 16 pin DIP package with
either surface mount or through hole
mounting available.
1.5A , 60 VDC OPTICALLY ISOLATED
SHORT CIRCUIT PROTECTED
BLOCK DIAGRAM
Part Number* Relay Description
SR75-1
Solid State Relay with Terminals for Through Hole
mount
SR75-1S
Solid State Relay with Terminals for Surface Mount
*
A ‘W’ or ‘T’ suffix denoting the S
2
RTeledyne reliability screening level,
must be added to the part number.
ELECTRICAL SPECIFICATIONS
(-55°C TO 105°C, Ambient Temperature Unless Otherwise Specified)
INPUT (CONTROL) SPECIFICATIONS
Min
Max Units
Control Voltage Range (See Note 2)
3.8
32.0
Vdc
Input Current @ 5 Vdc (See Figure 1)
11.0
mA
Must Turn-On Voltage
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
60
Vdc
Transient Blocking Voltage
80
Vdc
Output Current Rating (See Figure 2)
1.5
Adc
On Resistance (See Figure 3)
0.5
Ohm
Leakage Current at Rated Voltage
100
μA
Turn-On Time
4.5
ms
Turn-Off Time
0.5
ms
dV/dt @ 60 Vdc @ 25°C
100
V/μs
Electrical System Spike
± 600 Vpk
Output Capacitance
200
pF
Input to Output Capacitance at 1 KHz
5
pF
Dielectric Strength
1000
Vrms
Insulation Resistance
10
8
Ohm
Junction Temperature
130
°C
Thermal Resistance (Junction to Ambient)
90
°C/W
Series SR75-1
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