technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 1 of 8 devices levels available mhs2501 series cots (consult table 3 for part nu mber designations) class h class k features ? operates from 3.3v to 5v logic levels ? internal switch rated for 175c t j ? 250v operation (note 1) ? total dose capable > 300 krads (note 3) ? > 1000v of i/o isolation ? buffered input ? inputs protected against over voltage (esd rating of 1c) ? preliminary se results show no seb through an let of 85 (mev / (mg / cm 2 )) at a fluence of 2e 6 ions / cm 2 description: the mhs series are solid state relays where the input and ou tput circuitry are isolated from each other. the series consists of singles, duals, quads, and octals, and provides the normally open (n .o.) function. microsemi solid state relays are designed for space flight applications, and co me packaged in a variety of hermetic configurations. these units have buffered logic level inpu ts and can be controlled from 3.3v or 5v logic signals, thus providing greater flexibility of design. table 1 ? absolute maximum ratings ( tc = +25c unless otherwise noted) parameters / test conditions symbol value unit input voltage v in , v l +15 vdc output current (note 2) io 2.25 a output voltage (note 1) v o 250 vdc weight grams temperature range, base of package t c -55 to +125 c storage temperature range t stg -65 to +150 c lead temperature t l 300 c junction temperature, fet switch t j 175 c thermal characteristics parameters / test conditions symbol value unit thermal resistance, junction-to-case r jc 17 c/w
technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 2 of 8 table 2 ? electrical characteristics, per channel (t c = +25c, v l = 5 volts, v in = 0 v or 3.3v as appropriate, unless otherwise noted) parameters / test conditions symbol min. nom max. unit minimum input activation voltage io = 1a, tc = -55 to +125c vin(min) 3.0 v input - output leakage vio = 1kv for 5 sec. (note 4) iio 1 a output capacitance (note 4) vds = 100v coss 20 pf output on resistance id = 1a rds(on) 0.6 0.75 output on resistance id = 1a, tj = 125c rds(on) 1.3 1.5 output leakage vin = 0, vo = 100v io 1 1 100 a output leakage vin = 0, vo = 80v, tj = 125c io 2 1 100 a input buffer supply current vl = 5v, tc = 25c, 125c ih 10 15 ma current to activate vin = 3.3v vl = 5v, t c = -55 to +125c iin 400 600 a turn on delay (see figure 6) vs = 28v, rl = 250 , tc = -55 to +125c ton 30 45 s turn off delay (figure 6) vs = 28v, rl = 250 , tc = -55 to +125c toff 20 30 s rise time (figure 6) vs = 28v, rl = 250 (note 4) tr 50 75 s fall time (figure 6) vs = 28v, rl = 250 (note 4) tf 5 10 s
technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 3 of 8 table 3 ? model number functionality chart model number electrical ratings relay configuration package type voltage amps single spst n.o. dual spst n.o. quad spst n.o. octal spst n.o. 8 pin flat pack 16 pin flat pack 32 pin flat pack 64 pin flat pack mhs2501of$-& 250 1 9 9 mhs2501df$-& 1 / 250 1 9 9 mhs2501qf$-& 1 / 250 1 9 9 mhs2501kf$-& 1 / 250 1 9 9 replace ?$? with letter to denote required screening level c = cots h = class h k = class k replace ?&? with lead bend option 1 = no lead bend 2 = smt lead bend 3 = lead bend down 4 = lead bend up 1 / consult factory
technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 4 of 8 table 4 ? reliability screening options c h k mil-std-883 method cots equivalent mil-prf-38534 (note 3) element evaluation n/a class h class k non-destruct wirebond pull n/a sample 100% 2023 pre-cap visual n/a 100% 100% 2017 temperature cycle n/a 100% 100% 1010 constant accelerati on n/a 100% 100% 2001 pind n/a 100% 2020 pre-burn in electrical n/a 100% 100% burn in n/a 100% (160 hours) 100% (320 hours) 1015 final electrical tests 100% (25c) 100% 100% hermeticity (fine and gross leak) 100% 100% 100% 1014 x-ray n/a n/a 100% 2012 external visual sample 100% 100% 2009 certified n/a yes yes note: (1) internal switch is rated for > 1000 volts breakdown. c onsult factory for use at voltages greater than 250 volts. (2) current handling capability depends upon allowable tcase and allowable t j . see figure 1. (3) microsemi does not at this time have a mil-prf- 38534 qualified radiation ha rdness assurance program. (4) guaranteed by design. (5) because of the relatively slow switching times involved in power ssrs, it is important to stay within the allowances of the performance curves.
technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 5 of 8 figure 1: maximum switch current as a function of case temperature (per channel) (note 2) t j = 1 2 5 c figure 2: recommended operating area soa power - maximum operating loci tj=125c 0.01 0.1 1 10 0.1 1 10 100 1000 voltage (v) current (a) 10us 30us 100us 300us 1ms 10ms 100ms dc mhs 1.5a sic jfet ag epoxy mount-kovar pkg tc=25c rds(on)=0.643 ? top = 25c tjmax = 175c rds(on) = 0.675 ? at top = 25c
technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 6 of 8 figure 3: transient thermal impedance (note 5) figure 4: typical on resistance as a function of junction temperature maximum thermal impedance 0.1 1 10 100 0.000001 0.00001 0.0001 0.001 0.01 0.1 1 10 time (s) theta (c/w) 1.5a rad-hardened jfet (silver epoxy mount) in kovar package (tc=25c) inf. sink
technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 7 of 8 2 figure 5: typical application 5 6 7 8 figure 6: switching wave forms with circuit per figure 5, pins 7 & 8 buffer and isolation 4 3 1
technical data sheet 6 lake street, lawrence, ma 01841 1-800-446-1158 / (978) 620-2600 / fax: (978) 689-0803 website: http: //www.microsemi.com 1 amp solid state relays t4-lds-0153 rev. 2 (110368) page 8 of 8 package outlines case for single ssr pin functions 1 +5v 2 input 3 n/c 4 gnd 5 + out 6 + out 7 - out 8 - out
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