SR75-3 [TELEDYNE]
0.5A, 400 Vdc Optically Isolated;
| 型号： | SR75-3 |
| 厂家： | 
TELEDYNE TECHNOLOGIES INCORPORATED |
| 描述： | 0.5A, 400 Vdc Optically Isolated 输出元件 光电 |
| 文件： | 总3页 (文件大小：193K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Series SR75-3
0.5A, 400 Vdc Optically Isolated, Short-Circuit Protected
for AC or DC Loads DC Solid-State Relay
Part Number* Relay Description
SR75-3
Solid-State Relay with Terminals for Through-Hole Mount
Solid-State Relay with Terminals for Surface Mount
SR75-3S
*
A ‘W’ or ‘T’ suffix denoting the
be added to the part number.
Teledyne reliability screening level, must
FEATURES/BENEFITS
ELECTRICAL SPECIFICATIONS
• Short-Circuit Protected: Prevents
damage to system components,
assemblies and system wiring
(-55°C TO 105°C, Ambient Temperature, Unless Otherwise Specified)
INPUT SPECIFICATIONS
Min Max Units
• Designed for AC application using a
bridge rectifier.
Voltage Range (See Note 2)
Input Current @ 5 Vdc (See Figure 2)
Must Turn-On Voltage (See Note 3)
Must Turn-Off Voltage
3.8 32.0 Vdc
11.0 mA
• Optical Isolation: Isolates control
circuits from load transients
eliminates ground loops and signal
ground noise
3.8
Vdc
1.5 Vdc
-32.0 Vdc
• Low Off-State Leakage
• Switches High Voltages: To 400 Vdc
• Switches High Currents: To 0.5 Adc
Reverse Voltage Protection
• High Noise Immunity: Control
signals isolated from switching noise
OUTPUT (LOAD) SPECIFICATION
• High Dielectric Strength: For safety
and for protection of control and
signal level circuits
Min Max Units
400 Vdc
Load Voltage Rating
DESCRIPTION
Transient Blocking Voltage (See Note 5)
Output Current Rating (See Figure 4)
On Resistance (See Figure 3) @ 25ºC
Leakage Current at Rated Voltage
Turn-On Time
500 Vdc
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-
0.5 Adc
2.4 Ohm
100
2.5
0.5
µA
ms
ms
Turn-Off Time
dV/dt @ 400 V (See Note 5)
100 V/µs
± 600 Vpk
Electrical System Spike (See Note 5)
Output Capacitance @ 25 Vdc (See Note 5)
Input to Output Capacitance at 1 KHz (See Note 5)
80
5
pF
pF
3
is packaged in a 16-pin DIP
Dielectric Strength (See Note 5)
Insulation Resistance @ 500 Vdc (See Note 5) 108
Junction Temperature
1000
Vrms
Ohm
°C
package with either surface mount or
through-hole mounting available.
130
BLOCK DIAGRAM
Thermal Resistance Junction to Ambient
Solderability (10 sec)
90 ºC/W
260 °C
© 2004 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
SR75-3 1
SR75-3\062004\Q1
Series SR75-3
OUTPUT (LOAD) SPECIFICATION
WIRING CONFIGURATIONS
Min Max Units
R
S
RETURN
LOAD
16
14
12
10
Load Capacitance CLoad
Trip Time (See Figure 6)
0.33 µF
Load can be on
either side
SR75-3
V
CC
1
3
5
8
Turn-on into a Shorted Load (Note 8)
1.0 msec
+
+V
LOAD
Short Load with Relay On (Note 8)
100 µsec
TYPICAL WIRING FOR DC APPLICATION
MECHANICAL SPECIFICATIONS
V BIAS = 3.8 to 16 VDC (See Note 2)
3 to 250 VAC
*
CTRL
TTL
16
14
12
10
SR75-3
1
3
5
8
V BIAS = 5.0 VDC
*MicroSemi 2W06
or equivalent
TYPICAL WIRING FOR AC APPLICATION
Pins 3, 5, 12 and 14 No Connection
FIGURE 5
TYPICAL ON RESISTANCE VS JUNCTION
TEMPERATURE
•
•
•
•
•
Operating Temperature Range -55°C to 105°C
Storage Temperature Range -55°C to 125°C
Weight: 2.0 grams maximum
Case: 16 pin Dual-In-Line (TO-116)
Case Material: Filled Epoxy, self extinguishing
FIGURE 3
FIGURE 1
INPUT VOLTAGE (Vdc)
CONTROL CURRENT VS VOLTAGE
FIGURE 2
LOAD CURRENT DERATING CURVE
FIGURE 4
SR75-3 2
SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE
© 2004 TELEDYNE RELAYS
SR75-3\062004\Q1
Series SR75-3
TRIP CURRENT VS TIME
FIGURE 6
NOTES:
1
Unless otherwise specified, the following conditions shall apply for conformance testing:
- Input Voltage = 5.0 Vdc for “on-state” and 0 Vdc for the “off-state”
- Load Voltage = 350 Vdc
- Load Current = 0.50 Adc at 25ºC and –55ºC;
=
0.25 Adc at 105ºC
2
For Input Voltage greater than 16.0 Vdc, a series resistor must be used to limit the power dissipation on the input of the relay.
The resistor value should be selected using the following equation:
R = (VBias – 16 volts) / 11 mA
3
4
5
6
7
8
The Input transitions should be less than 1.0 msec duration.
Inductive loads must be diode suppresses.
At +25ºC ambient.
System inductance must be less than 50 µH. (The residual inductance at the relay output with the load shorted across.)
The maximum capacitance across the relays output that will not cause the relay to “latch-off”.
When turning on into a shorted load or when shorting the load with the relay on, the relay will “circuit-breaker” off within the
time specified for other overload conditions, see Figure 6.
9
SR75-3 though-hole terminal series for solder-dip or wave-solder process +260ºC for 10 seconds max per Mil STD 202,
Method 210
10 SR75-3S surface-mount terminal series for soldering process that heat the entire package to ≤ +235ºC for 10 seconds max.
© 2004 TELEDYNE RELAYS
(800) 284-7007 • www.teledynerelays.com
SR75-3 3
SR75-3\062004\Q1
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