©2003 TELEDYNE RELAYS

SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE

431 Page 2

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431/1203/Q1

SERIES 431

GENERAL ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted) (Notes 2 & 3)

DETAILED ELECTRICAL SPECIFICATIONS (–65°C to +125°C unless otherwise noted) (Note 3)

Contact Arrangement

1 Form C (SPDT)

Rated Duty

Continuous

Contact Resistance

0.1 ohm max. before life; 0.2 ohm max. after life at 1A/28Vdc (measured 1/8" from header)

Contact Load Ratings (DC)

(See Fig. 2 for other DC

resistive voltage/current ratings)

Resistive:

1 Amp/28Vdc

Inductive:

200 mA/28Vdc (320 mH)

Lamp:

100 mA/28Vdc

Low Level:

10 to 50 μA/10 to 50mV

Contact Load Ratings (AC)

Resistive:

250 mA/115Vac, 60 and 400 Hz (Case not grounded)

100 mA/115Vac, 60 and 400 Hz (Case grounded)

Contact Life Ratings

10,000,000 cycles (typical) at low level

1,000,000 cycles (typical) at 0.5A/28Vdc resistive

100,000 cycles min. at all other loads specified above

Contact Overload Rating

2A/28Vdc Resistive (100 cycles min.)

Contact Carry Rating

Contact factory

Coil Operating Power

150 milliwatts typical at nominal rated voltage @ 25°C

Operate Time

431, 431D, 431DD Series: 4.0 msec max. at nominal rated coil voltage 431T: 3.5 msec (Note 8)

Release Time

431 Series: 2.5 msec max.

431D, 431DD, 431T: 7.5 msec max.

Contact Bounce

1.5 msec max.

Intercontact Capacitance

0.4 pf typical

Insulation Resistance

10,000 megohms min. between mutually isolated terminals

Dielectric Strength

Atmospheric pressure: 500 Vrms/60Hz

70,000 ft.: 300 Vrms/60Hz (431T: 125 Vrms/60 Hz)

Negative Coil Transient (Vdc)

431D, 431DD, 431T

1.0 max

Diode P.I.V. (Vdc)

431D, 431DD, 431T

100 min.

431T

Transistor

Characteristics

Base Turn Off Voltage (Vdc)

0.3 min.

6.0 min.

75 min.

BASE PART

NUMBERS

(See Note 10 for full P/N example)

431-5

431D-5

431DD-5

431T-5

431-6

431D-6

431DD-6

431T-6

431-9

431D-9

431DD-9

431T-9

431-12

431D-12

431DD-12

431T-12

431-18

431D-18

431DD-18

431T-18

431-26

431D-26

431DD-26

431T-26

Coil Voltage (Vdc)

Nom.

5.0

6.0

9.0

12.0

18.0

26.5

Max.

8.0

11.0

16.0

22.0

33.0

45.0

Coil Resistance

(Ohms ±10% @25°C)

431, 431D, 431T (Note 4)

125

255

630

1025

2300

4000

431DD (Note 4)

100

200

630

1025

2300

4000

Coil Current (mAdc @25°C)

(431DD Series)

Min.

36.3

22.7

11.5

9.7

6.7

5.7

Max.

50.0

30.6

15.0

12.5

8.5

7.2

Coil Current (mAdc @25°C)

(431T Series)

(Note 7)

Min.

34.7

21.2

11.8

10.1

6.7

5.7

Max.

47.8

27.7

16.8

13.6

9.1

7.7

Pick-up Voltage (Vdc, Max.)

431, 431D

3.7

4.5

6.8

9.0

13.5

18.0

431DD

4.5

5.5

7.8

10.0

14.5

19.0

431T (Note 7)

3.6

4.8

7.8

10.0

14.5

19.0

Base Current to Turn On (mAdc, Max.) (431T Series) (Note 7)

1.2

0.78

0.48

0.39

0.26

0.20

Drop-out Voltage (Vdc)

431, 431D,

431T (Note 7)

Min.

0.15

0.18

0.35

0.41

0.58

0.89

Max.

2.0

2.8

4.2

5.6

8.4

10.4

431DD

Min.

0.15

0.18

0.35

0.40

0.58

0.89

Max.

2.4

2.8

4.2

5.6

8.4

10.4

PERFORMANCE CURVES

(NOTE 2)

0

.1

.2

.3

.4

.5

.6

10

20

30

40

50

60

70

.01

0.5

.1

.5

1.0

FREQUENCY (GHz)

TYPICAL RF PERFORMANCE

INSER

TION

LOSS

1.92

1.22

1.07

1.02

1.01

1.00

1.00

300

250

200

150

100

50

0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

LOAD CURRENT (AMPS DC)

FIGURE 2

TYPICAL DC CONTACT RATING (RESISTIVE)

RETURN LOSS (VSWR)

ISOLA

TION

431T

431,

431D,

431DD

431, 431D,

431DD

431T

431T

431,

431D,

431DD

FIGURE 1