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CD21CDY Datasheet(PDF) 1 Page - Willow Technologies Ltd |
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CD21CDY Datasheet(HTML) 1 Page - Willow Technologies Ltd |
1 / 4 page © 2002 TELEDYNE RELAYS (800) 284-7007 • www.teledynerelays.com CD 41 CD\072002\Q1 2A, 60Vdc Optically Isolated, Short-Circuit Protected DC Solid-State Relay FEATURES •Available with short circuit/current overload protection • Available with input status monitor • TTL and CMOS compatible control • Low ON resistance power FET output • Fast switching speed • Meets 28 Vdc system requirements of MIL-STD-704 • Optical isolation • Low profile hermetic ceramic package • Built and tested to the requirements of MIL-PRF-28750 DESCRIPTION This all solid-state relay utilizes the latest technology to provide a low ON resistance. The control (input) and load (output) are optically isolated to protect input logic circuits from voltage and current transients which can occur on the output supply. The optical isolation also provides a full floating output, thus allowing the load to be connected to either output terminal. The control circuit is buffered to enable the relay to be driven directly from standard CMOS or open collector TTL logic circuits. Available options include short circuit and current overload protection, which provides complete protection for both the relay and the system wiring. This 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. In either case, the relay will sense the short circuit condition and then block it indefinitely until the short is removed and the unit is reset by cycling the input control. The second option is a status output, which provides a built-in- test function. This feature checks the input circuitry of the relay and provides a logic (0) low when the input circuit is turned on and operational. Both options are available either together or separately as standard features. Series CD Part* DESC Drawing Relay Description Number Number CD00CFW Basic Solid-State Relay (SSR) CD00CFY 90091-008 CD01CFW SSR with Control Status CD01CFY 90091-006 CD20CDW SSR with Short-Circuit Protection CD20CDY 90091-004 CD21CDW SSR with Short-Circuit Protection CD21CDY 90091-002 and Control Status * The Y suffix denotes parameters tested to MIL-PRF-28750 specifications. The W suffix denotes parameters tested to Teledyne specifications. For surface mount (SMT), add “S” prefix to part number. Example: SCD00CFW ELECTRICAL SPECIFICATIONS (-55°C TO +105°C UNLESS OTHERWISE NOTED) INPUT (CONTROL) SPECIFICATION When used in 2 terminal configuration (TTL or direct control) (See Fig. 1) Min Typ Max Units Input Current @ V IN = 5 Vdc (See Fig. 2) 14 15 mA Turn-Off Voltage (Guaranteed Off) 1.5 Vdc Turn-On Voltage (Guaranteed On) 3.8 Vdc Reverse Voltage Protection -32 Vdc Input Supply Range (See Note 4) 3.8 6 Vdc INPUT (CONTROL) SPECIFICATION When used in 3 terminal configuration (CMOS or open collector TTL) (See Fig. 1) Min Typ Max Units Control Current V CONTROL = 5 Vdc 250 µA V CONTROL = 18 Vdc 1 mA Control Voltage Range 0 18 Vdc Bias Supply Voltage (See Note 4) 3.8 6 Vdc Bias Supply Current @ V BIAS = 5 Vdc 14 15 mA Turn-Off Voltage (Guaranteed Off) 3.2 Vdc Turn-On Voltage (Guaranteed On) 0.3 Vdc |
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