SR75-2W datasheet(2/2 Pages) TELEDYNE

Part #	SR75-2W

Description	0.75A, 300Vdc Optically Isolated, Short-Circuit Protected for AC or DC Loads DC Solid-State Relay

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Manufacturer	TELEDYNE [Teledyne Technologies Incorporated]

Direct Link	http://www.teledynemicrowave.com

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SR75-2 2

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

SR75-2\062004\Q1

LOAD

RETURN

+V

+

13

5

8

16

14

12

10

RS

VCC

SR75-2

13

5

8

16

14

12

10

120

Vac

SR75-2

TTL

CTRL

V BIAS = 5.0 VDC

Series SR75-2

NOTES:

1. The input voltage is 5.0 Vdc for all tests unless otherwise

specified.

2. Reversing the output polarity when the relay is in overload or

is sustaining a short circuit may cause permanent damage.

3. Inductive loads must be diode suppressed.

4. Loads may be switched in either the high side or the low side

of the power source.

5. Continuous load current rating is determined with relay

mounted on a printed circuit card.

6. For input voltage greater than 6.0 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 = (V

BIAS - 6 volts)/11mA

7. Input transitions are to be less than 1 msec.

8. Tested at 25

°C ambient.

TRIP CURRENT VS TIME

FIGURE 4

MECHANICAL SPECIFICATIONS

• 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

INPUT VOLTAGE (Vdc)

–55

-35

-15

5

25

45

65

85

105

125

2.0

1.8

1.6

1.4

1.2

1.0

0.8

0.6

0.4

0.2

0.0

JUNCTION TEMPERATURE (°C)

TYPICAL ON RESISTANCE VS T

J

FIGURE 3

CONTROL CURRENT VS VOLTAGE

FIGURE 1

WIRING CONFIGURATIONS

SHORT-CIRCUIT PROTECTED AC LOADS

(SEE NOTE 6)

LOAD CURRENT DERATING CURVE

FIGURE 2 (SEE NOTE 5)

SHORT-CIRCUIT PROTECTED DC LOADS

(SEE NOTES 3, 4 AND 6, FIGURE 3 AND 4)

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