H3FA

DIP Model Timer for PC Board Use Provides Contact and Solid-state Output

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Time Ranges

Note:

1. The above timing ranges apply when the internal variable resistor of H3FA is used.

2. The external variable resistor may also be used by opening the terminal connected to the internal variable resistor.

3. Wire the appropriate terminal to select a time setting range.

Ratings

Item	H3FA-A/ H3FA-B H3FA-AU/ H3FA-BU	H3FA-SA/ H3FA-SB H3FA-SAU/ H3FA-SBU
Rated supply voltage	5 V DC, 6V DC, 12V DC, 24 V DC (See note 1.)	5/6 V DC (See note 1.) 12/24 V DC (See notes 1 and 2.)
Operating voltage range	5 V DC: 90% to 110% of rated supply voltage 6, 12, 24 V DC: 85% to 110% of rated supply voltage	5/6 V DC: 90% to 110% of rated supply voltage 12/24 V DC: 85% to 110% of rated supply voltage
Power consumption	5, 6 V DC: approx. 230 mW 12 V DC: approx. 270 mW 24 V DC: approx. 330 mW	5/6 V DC: approx. 80 mW 12 V DC: approx. 100 mW 24 V DC: approx. 240 mW
Control outputs	Contact output: SPST-NO + SPST-NC, 3 A at 250 V AC with resistive load, Minimum applied load: 10 mA at 5 V DC (Failure level: P, reference value)	Solid-state output: 150 mA max. at 30 V DC Residual voltage: 1.0 V max.
Ambient temperature	Operating: -10°C to 55°C (with no icing) Storage: -25°C to 65°C (with no icing)
Ambient humidity	35% to 85%

Characteristics

Accuracy of operating time	±0.5% FS max. (See note 1.)
Setting error	0 to 30 % FS max. (at 20°C , at rated voltage)
Reset time	10 ms max.
Influence of voltage	±1% FS max. (2% FS max. for 5, 6, 5/6 V DC-operated models)
Influence of temperature	±5% FS max. (See note 1.)
Insulation resistance	100 MΩ min. (at 500 V DC)
Dielectric strength	1,500 V AC, 50/60 Hz for 1 min (between control output and operating circuit) (See note 2.) 1,000 V AC, 50/60 Hz for 1 min (between contacts not located next to each other) (See note 2.)
Vibration resistance	Destruction: 10 to 55 Hz with 0.375-mm single amplitude in 3 directions for 1 hour each Malfunction: 10 to 55 Hz with 0.25-mm single amplitude in 3 directions for 10 minutes each
Shock resistance	Destruction: 1,000 m/s² 3 times each in 6 directions Malfunction: 100 m/s² 3 times each in 6 directions
Life expectancy	Mechanical: 10,000,000 operations min. (under no load at 1,800 operations/h) Electrical: 100,000 operations min. (3 A at 250 V AC, resistive load at 1,800 operations/h)
Approved safety standards	UL508, CSA C22.2 No.14
Weight	Contact output models: approx. 15 g Solid-state output models: approx. 10 g

Note:

1. Add or subtract 10 ms to the ratings when using a timer with a rated time of 1 s.

2. Applicable to contact output models.

Caution: In the interenst of product improvement, specifications are subject to change without notice.

Control Components