cii td2 series commercial or military time delay relay with fixed or adjustable delay on operate or release 1 product facts pending qualification to: mil-prf-83726/28, mil-prf-83726/29, mil-prf-83726/30 & mil-prf-83726/31. fixed delay on operate, fixed delay on release, adjustable delay on operate & adjustable delay on release. meets or exceeds electrostatic discharge mil-std-1686 class non-sensitive. welded hermetically sealed enclosure occupies about 1 in 3 (16.4 cm 3 ). 10a, 2 form c (dpdt) output contacts. catalog 9-1773447-6 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-2103-6000 revised 03-2008 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. values in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www.tycoelectronics.com are metric equivalents. to change. c. america: 52-55-1106-0803 uk: 44-208-420-8341 td2 series time delay relays are available for delay on operate or delay on release operation. either can be supplied as fixed or resistor adjustable types. both military and commercial versions are offered. these products consist of solid state timing circuits controlling our fca-210 series relays, providing 2 form c (dpdt) output contacts rated 10 amps. the internal timing circuit uses an r/c controlled oscillator with a programmable digital pulse counter, gating a semiconductor switch to operate the relay. timing is independent of whether the controlling voltage is a ramp or step function. for the adjustable models the user specifies a one decade range in seconds, within which the required delay will be set. this range is programmed internally at the time of manufacture. the required delay is obtained by calculating the oscillator timing resistor as follows and connecting it externallly to terminals 1d - 3d as below. r ext = [(t 1 / t 0 ) -1] 100k ohms t 0 = minimum time of selected decade in seconds. t1 = required time delay. example selected range = 3-30 sec required time = 15 sec r ext = [(15/3) -1] 100k = 400k ? 2007, 2008 by tyco electronics corporation. all rights reserved. cii, te logo and tyco electronics are trademarks. other products and company names mentioned herein may be trademarks of their respective owners. timing action and terminal wiring blue bead +x1 -x2 123 td d c b a input (?) (+) delay on operate: the time delay starts on the application of input voltage to x1-x2. the timing circuit energizes the relay at the end of the time delay period. delay on release: the input voltage is continuous to x1-x2. when the control voltage is applied to c1-x2 the timing circuit and the relay are both energized. the time delay relay starts when the control voltage is shut off. blue bead +x1 -x2 1 2 3 td d c b a input (?) (+) control (+) blue bead +x1 -x2 123 td d c b a input (?) (+) ext. resistor 1/4 watt min. blue bead +x1 -x2 1 2 3 td d c b a input (?) (+) control (+) ext. resistor 1/4 watt min. fixed model fixed model adjustable model adjustable model terminal designations shown in the diagrams above are for reference only. they do not appear on the relay header. input off input voltage +x1 / ?x2 output relay 20-30vdc deenergized energized time delay control off control voltage +c1 / ?x2 output relay 20-30vdc deenergized energized input off input voltage +x1 / ?x2 20-30vdc time delay
2 cii high performance electronic products specifications timing data timing action delay on operate or delay on release time delay, fixed ? m83726/28, /29 and commercial 28c, 29c select from 0.1 to 600 sec for commercial models select from 0.1 to 500 sec for mil-spec models time delay, adjustable ? m83726/30, /31 and commercial 30c, 31c select one decade between 0.1 to 1.0 and 60 to 600 seconds timing accuracy (note 1) 10% of nominal value recycle time (note 2) 50 ms, max., to next cycle. power interrupts accuracy is not affected by power interruptions up to 1 ms spaced at least 10ms apart. input data input voltage 28 vdc nominal, range 20 - 32 vdc duty rating continuous input current 110 madc max @ 25c control voltage (applies only to delay on release type) 20 - 32 vdc control current 15 madc max (applies only to delay on release types) input voltage polarity protection the timer will be inoperative during, and undamaged by, reversal of the polarity of the input voltage. output data contact form 2 form c (dpdt) contact material silver cadimum oxide, gold plated contact rating in amps (continuous duty) type of life (min.) 115 vac 115/200 vac ? 3 phase load cycles 28 vdc 400hz 400 hz. 60 hz.* resistive 100 x 10 3 10 10 10 2.5 inductive 20 x 10 3 8882 . 5 motor 100 x 10 3 4442 . 0 lamp 100 x 10 3 2221 . 0 * 60 hz. loads are rated at 10 x 10 3 cycles. overload current 40 adc; 60a, 400 hz. rupture current 50 adc; 80a, 400 hz. max. contact drop at 10a initial 0.150v; after life 0.175v electrical data electrostatic discharge withstand voltage 16,000v transients (note 3): positive transients +80v self-generated transients 50v, max. spike susceptability 600v, 10 s, max. insulation resistance (note 4) 1,000 megohms at 500vdc, between each pin and case dielectric strength (note 4) 1,000vrms at 60 hz at sea level, between case and all pins connected together environmental data ambient temperature range, operating -55c to +125c altitude 300,000 feet shock resistance 100 g?s, 6 ms. vibration resistance, sinusoidal z & y enclosure: 30 g?s, 33-3000hz.; x & w enclosure: 20 g?s, 33-3000hz. mechanical data approximate weight 2.5 oz. (71g) max. notes 1. the accuracy requirement applies to any combination of operating temperature and voltage. add 10ms for timing less than one second. 2. recycle time to assure that the next timing cycle will be completed. units can be recycled during timing and after time-out: delay on operate models ? power must be off the input at least 10 ms. delay on release models ? power must be on the control terminal at least 10 ms. 3. transient specifications are based on a maximum duty cycle of 1/50. 4. all wired terminals must be connected together during this test. dielectric withstanding voltage and insulation resistance are measured between all mutually insulated wired terminals and between all these terminals and case. td2 series time delay relay (continued) catalog 9-1773447-6 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-2103-6000 revised 03-2008 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. values in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www.tycoelectronics.com are metric equivalents. to change. c. america: 52-55-1106-0803 uk: 44-208-420-8341
outline dimensions the standard terminal types and enclosures are illustrated below with dimensions expressed as inches 0.010 and (millimeters 0.25). all terminals on 0.200 (5.4) centers. blue bead .050 ?.005 (1.27 ?(3) silicone rubber gasket +x 1 -x 2 .270 (6.86) code "t" -x 2 .270 (6.86) circuit board pins ?tin/lead plated blue bead .300 ?.020 (7.26) ?.51 0.80 dia (2.03) -x 2 +x 1 .062 dia. pin (1.57 ) 14 plcs. + .002 - .001 + .05 - .02 solder hooks code "s" .062 ?001 pin (1.57 ?.02) 14 places .062 dia. pin (1.57 ) 14 plcs . + .002 - .001 + .05 - .02 code "p" socket pins ?gold plated blue bead td2 series time delay relay (continued) all enclosures have cupro-nickel cans bright acid tin/lead plated after assembly to terminal headers. code "z" 1.015 (25.79) 1.015 (25.79) 1.015 (25.79) 1.396 (35.46) 1.446 (36.73) 1.718 max. (43.64) 1.00 (25.4) 1.015 (25.79) .150 typ. (3.8) .040 (1.02) .156 (3.96) 1.015 (25.79) full r 6 plcs .625 (15.88) .937 (23.80) .312 (7.92) code "y" code "w" 6-32 unc-2a 3 studs * .047 (1.20) .312 (7.92) 1.051 (25.79) 1.015 (25.78) .687 (17.44) 1.00 (25.4) .375 (9.52) .343 (8.71) .160 (4.06) .160 (4.06) 1.396 (35.46) 1.446 (36.73) 1.015 (25.79) full r 6 plcs 1.00 (25.4) .625 (15.88) 1.718 max. (43.64) .040 (1.02) 1.051 (25.79) .150 typ. (3.8) code "x" *metric threads available. to specify use ??in place of ? .937 (23.80) .687 (17.44) 3 cii high performance electronic products terminals enclosures catalog 9-1773447-6 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-2103-6000 revised 03-2008 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. values in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www.tycoelectronics.com are metric equivalents. to change. c. america: 52-55-1106-0803 uk: 44-208-420-8341
4 cii high performance electronic products td2 series time delay relay (continued) typical mil-spec part number td2 28- 5002 p series: td2 = time delay relay with 2 pole, 10a output mil-spec model: 28 = m83726/28 (fixed, delay on operate) 29 = m83726/29 (fixed, delay on release) 30 = m83726/30 (adjustable, delay on operate) 31 = m83726/31 (adjustable, delay on release) time delay range (within 0.1 to 500 seconds): for /28 and /29 types (fixed types), the delay is expressed in milliseconds in a four-digit code. the first three digits are significant. the fourth is the number of zeros following the first three. example: 5002 is 50 seconds. for /30 and /31 types (adjustable types), the delay decade range is expressed in milliseconds in a four-digit code represesnting the upper limit of the range. the first three digits are significant. the fourth is the number of zeros following the first three. example: 1001 is 1 second, so the range is 0.1 to 1 second. terminals: p= socket pin terminals s= solder hook terminals note: mil-spec models have ?y? type enclosure. part numbering system mil-spec types (qualification pending) commercial types typical commercial part number td2 28c- 1001 p y series: td2 = time delay relay with 2 pole, 10a output commercial model: 28c = fixed, delay on operate (cots version of m83726/28) 29c = fixed, delay on release (cots version of m83726/29) 30c = adjustable, delay on operate (cots version of m83726/30) 31c = adjustable, delay on release (cots version of m83726/31) time delay range (within 0.1 to 600 seconds): for fixed types, the delay is expressed in milliseconds in a four- digit code. the first three digits are significant. the fourth is the number of zeros following the first three. example: 5002 is 50 seconds. for adjustable types, the delay decade range is expressed in milliseconds in a four-digit code represesnting the upper limit of the range. the first three digits are significant. the fourth is the number of zeros following the first three. example: 1001 is 1 second, so the range is 0.1 to 1 second. terminals: p= socket pin terminals s= solder hook terminals t= solder pin terminals enclosure w = mounting studs x = horizontal flange mount y = raised vertical flange mount z = no mount 9-1773447-6?pdf?tw?3-08 catalog 9-1773447-6 dimensions are in inches and dimensions are shown for usa: 1-800-522-6752 south america: 55-11-2103-6000 revised 03-2008 millimeters unless otherwise reference purposes only. canada: 1-905-470-4425 hong kong: 852-2735-1628 specified. values in brackets specifications subject mexico: 01-800-733-8926 japan: 81-44-844-8013 www.tycoelectronics.com are metric equivalents. to change. c. america: 52-55-1106-0803 uk: 44-208-420-8341
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