641 TELEDYNE | Alldatasheet
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Technical content
641 14 SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT NOTICE © 2002 TELEDYNE RELAYS 641\\072002\\Q1 Random Turn “On” & Transformer Isolated AC Solid-State Relay FEATURES/BENEFITS
- Fast Switching Speed: Where speed is important
- Floating Output: Eliminates ground loops and signal ground noise
- Random Turn On: For pulse width modulation
- Low Off State Leakage: For high off-state impedance
- Switches High Voltages: To 250 Vrms
- Switches High Currents: To 0.5 Arms
- High Noise Immunity: Control signals isolated from switching noise
- High Dielectric Strength: For safety and for protection of control and signal level circuits
DESCRIPTION
random turn-on for controlling AC loads with a triac output rated at 0.5 amp up to 50˚C ambient without a heat sink. A high frequency input oscillator with isolation transformer coupled directly to the triac gate provides the added capability of driving very low current AC loads down to 5 mA. Internal design employs a unique patented lead frame construction molded in a 14-pin DIP package. Series 641 ELECTRICAL SPECIFICATIONS 25°C UNLESS OTHERWISE SPECIFIED) INPUT (CONTROL) SPECIFICATIONS Parameter Min Max Units Control Voltage Range (See Figure 1) 4.0 10 Vdc Input Current at 5V Control Voltage 16 mAdc Must Turn-On Voltage 4.0 Vdc Must Turn-Off Voltage 0.5 Vdc OUTPUT (LOAD) SPECIFICATIONS Parameter Part Min Max Units Load Voltage Rating 641-1 0 140 Vrms 641-2 0 250 Output Current Rating (See Figure 3, Note 1) 0.005 0.5 Arms Frequency range 0.1 70 Hz Over Voltage Rating 641-1 200 Vpeak 641-2 400 Vpeak On-State Voltage Drop at Rated Voltage 1.5 Vrms Surge Current Rating (Non-repetitive 16 ms mac. See Figure 2, Note 2) 5.0 A Turn-On Time (60 Hz) 20 µs Turn-Off Time (60 Hz) 8.3 ms Leakage Current (Rated Voltage at 100°C) 1.0 mArms Off-State dV/dt (Without RC Snubber, Typical) 50 V/ µs Insulation Resistance (Input to Output at 500 Vdc) 10 9 Ohms Dielectric Strength (Input to Output) 2500 Vac Capacitance (Input to Output) 5 pF Junction Temperature (TJ) 100 °C
© 2002 TELEDYNE RELAYS (800) 284-7007 • www.teledynerelays.com 641 15 641\\072002\\Q1 Series 641 CHARACTERISTIC CURVES TYPICAL 641 INTERFACEMECHANICAL SPECIFCATIONS NOTES: 1. UL rated at 0.5 Arms for motor starting and incandescent lamp control. 2. Triac may lose blocking capability during and after surge until TJ falls below 125°C maximum.