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| S110 1 Form A Solid State Relay DESCRIPTION The S110 is a bi-directional, single-pole, single-throw, normally open multipurpose relay. The circuit is composed of one LED on the input side which activates an optically coupled IC on the output - controlling the firing angle of two back-to-back SCRs. This circuit assures no false triggering under most adverse conditions, and a tight zero-volt window not exceeding 5V. FEATURES APPLICATIONS * * * * * * * Zero-Volt Cross Switching High transient immunity 400V blocking voltage 0.8A maximum continuous current Low input control current High input-to-output isolation Solid state reliability * * * * * * Valve control Solenoids Home appliances Metering equipment Heating elements Gas pump control circuitry OPTIONS/SUFFIXES* ABSOLUTE MAXIMUM RATINGS* PARAMETER Storage Temperature Operating Temperature Continuous Input Current Transient Input Current Reverse Input Control Voltage Output Power Dissipation UNIT C C mA mA V mW 6 800 MIN -55 -40 TYP MAX 125 85 40 400 * * * -H -S -TR High Output Isolation Surface Mount Option Tape and Reel Option NOTE: Suffixes listed above are not included in marking on device for part number identification. SCHEMATIC DIAGRAM *The values indicated are absolute stress ratings. Functional operation of the device is not implied at these or any conditions in excess of those defined in electrical characteristics section of this document. Exposure to Absolute Ratings may cause permanent damage to the device and may adversely affect reliability. APPROVALS * * BABT CERTIFICATE #608203: BS EN 60950, BS EN 41003, BS EN 60065 UL FILE #E90096 (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 1 of 5 S110 rev 1.40 (10/25/2004) S110 1 Form A Solid State Relay ELECTRICAL CHARACTERISTICS - 25C PARAMETER INPUT SPECIFICATIONS LED Forward Voltage LED Reverse Voltage Must Operate Current Junction Capacitance V V mA pF 6 1.2 12 2.5 5 5 1.5 If = 10mA Ir = 10uA Io = 0.8A, resistive load Vf = 0V UNIT MIN TYP MAX TEST CONDITIONS OUTPUT SPECIFICATIONS Blocking Voltage Continuous Load Current Surge Current Rating Holding Current On-Voltage Voltage Across Load at Turn-On Leakage Current Thermal Resistance Power Factor Critical Rate of Rise (dV/dt) V/ s 400 V A A mA V V A C/W 100 120 0.3 400 0.8 10 10 1.2 5 250 Io = 0.8A If = 5mA Vo = 250V Io = 400uA If = 5mA T = 16ms COUPLED SPECIFICATIONS Isolation Voltage -H Suffix Isolation Resistance Coupled Capacitance V V G pF 2500 3750 100 6 T = 1 minute T = 1 minute (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 2 of 5 S110 rev 1.40 (10/25/2004) S110 1 Form A Solid State Relay PERFORMANCE DATA S110 Maximum Load Current vs. Temperature S110 Typical Blocking Voltage Distribution N = 100, Ambient Temperature = 25C Load Current (mA) 1000 800 600 400 200 0 20 40 60 -4 0 -2 0 80 0 40 Device Count 30 20 10 0 425 450 475 500 525 550 575 600 Blocking Voltage (V) Tem perature (C) ZERO-VOLT SWITCHING This solid state relay has been designed with a driver circuit that controls the operation of two back-to-back silicon controlled rectifiers (SCRs), each responsible for one half of the AC cycle. If an AC signal is examined, the turn on, turn off and zero-volt switching can be seen. Figure 1 shows a typical 60 Hz, 120Vac signal with a corresponding relay input signal: 1 Relay Input Signal is Turned On. 5 Relay Input Signal is Turned Off. Input Signal 2 SCR #1 Turns On when 5V threshold is reached. 6 SCR #1 and Relay Turn Off at Zero Volts. 5V Threshold 3 SCR #1 Turns Off, SCR #2 Turns On at Zero Volts. 4 SCR #2 Turns Off, SCR #1 Turns On at Zero Volts. Figure 1 shows the sequence of zero-volt switching operation. At Stage 1, an input signal is applied to the relay. The relay will not turn on until the threshold voltage of 5V is reached. Once this point is reached (Stage 2), SCR #1 (designated as the SCR which controls positive AC voltage) turns on. However, SCR #1 only conducts for an instant, as the cycle quickly crosses zero. At this point (Stage 3), SCR #1 will turn off and SCR #2 (negative AC voltage) turns on. Likewise, at the next zero cross (Stage 4), SCR #2 will turn off and SCR #1 conducts again. Even though the input signal is terminated at Stage 5, the relay will continue to conduct (typical SCR behavior) until Stage 6, when SCR #1 crosses zero and ceases to conduct. Please note that turn on can likewise begin on the negative phase of the AC cycle with a -5V threshold, though only the positive phase is shown here. (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 3 of 5 S110 rev 1.40 (10/25/2004) S110 1 Form A Solid State Relay MECHANICAL DIMENSIONS 8 PIN DUAL IN-LINE PACKAGE 8 PIN SURFACE MOUNT DEVICE END VIEW END VIEW TOP VIEW TOP VIEW BOTTOM VIEW/ BOARD PATTERN BOTTOM VIEW/ BOARD PATTERN (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 4 of 5 S110 rev 1.40 (10/25/2004) S110 1 Form A Solid State Relay DISCLAIMER Solid State Optronics (SSO) makes no warranties or representations with regards to the completeness and accuracy of this document. SSO reserves the right to make changes to product description, specifications at any time without further notice. SSO shall not assume any liability arising out of the application or use of any product or circuit described herein. Neither circuit patent licenses nor indemnity are expressed or implied. Except as specified in SSO's Standard Terms & Conditions, SSO disclaims liability for consequential or other damage, and we make no other warranty, expressed or implied, including merchantability and fitness for particular use. LIFE SUPPORT POLICY SSO does not authorize use of its devices in life support applications wherein failure or malfunction of a device may lead to personal injury or death. Users of SSO devices in life support applications assume all risks of such use and agree to indemnify SSO against any and all damages resulting from such use. Life support devices are defined as devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when used properly in accordance with instructions for use can be reasonably expected to result in significant injury to the user, or (d) a critical component in any component of a life support device or system whose failure can be reasonably expected to cause failure of the life support device or system, or to affect its safety or effectiveness. (c) 2004 Solid State Optronics * San Jose, CA www.ssousa.com * +1.408.293.4600 Page 5 of 5 S110 rev 1.40 (10/25/2004) |
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