microsemi scottsdale division page 1 copyright ? 2005 10-12-2005 rev g www. microsemi . com hsmbjsac5.0 thru hsmbjsac75, e3 500 watt low capacitance transient voltage suppressor scottsdale division description appearance the hsmbjsac t ransient voltage suppressor (tvs) series rated at 500 watts provides an added rectifier elem ent as shown in figure 4 to achieve low capacitance in applications for data or signal lines. the low capacitance rating of less than 30 pf may be used for protecting higher frequency applications in inductive switching environments or electrical systems involving secondary lightning effects per iec61000-4-5 as well as rtca/do-160d or arinc 429 for airborne avionics. if bidirectional protection is needed, two hsmbjsac devic es in anti-parallel configuration are required as shown in figure 6. with their very fast response time, they also provide esd and eft protection per iec61000-4-2 and iec61000-4-4 respectively. do-214aa see package notes important: for the most current data, consult microsemi?s website: http://www.microsemi.com hsmbjsac5.0 thru hsmbjsac75,e3 features applications / benefits ? unidirectional low-capacitance tvs series (for bidirectional see figure 6) ? suppresses transient up to 500 watts peak pulse power @ 10/1000 s ? improved performance in low capacitance of 30 pf ? economical small plastic surface mount with robust axial subassembly package ? optional 100% screening for avionics grade is available by adding ma prefix to part number for added 100% temperature cycle -55 o c to +125 o c (10x) as well as surge (3x) and 24 hours htrb with post test v z & i r ? options for screening in accordance with mil-prf- 19500 for jan, jantx, jantxv, and jans are also available by adding mq, mx, mv, or msp prefixes respectively to part number, e.g. mxhsmbjsac5.0, mvhsmbjsac18, etc. ? moisture classification is level 1 with no dry pack required per ipc/jedec j-std-020b ? also available in axial-leaded packages with part numbers (sac5.0 thru sac50) ? rohs compliant devices available by adding ?e3? suffix ? low capacitance for data-line protection to 10 mhz ? protection for aircraft fast data rate lines per select waveforms in rtca/do-160d (see micronote 130 for waveform 4 and 5a capability) & arinc 429 with bit rates of 100 kb/s (per arinc 429, part 1, par. 2.4.1.1) ? esd and eft protection per iec61000-4-2 and iec61000-4-4 respectively ? secondary lightning protection per iec61000-4-5 with 42 ohms source impedance: class 1: hsmbjsac5.0 to hsmbjsac75 class 2: hsmbjsac5.0 to hsmbjsac45 class 3: hsmbjsac5.0 to hsmbjsac22 class 4: hsmbjsac5.0 to hsmbjsac10 ? secondary lightning protection per iec61000-4-5 with 12 ohms source impedance class 1: hsmbjsac5.0 to hsmbjsac26 class 2: hsmbjsac5.0 to hsmbjsac15 class 3: hsmbjsac5.0 to hsmbjsac7.0 maximum ratings mechanical and packaging ? peak pulse power dissipation at 25 o c: 500 watts @ 10/1000 s with repetition rate of 0.01% or less* ? steady state power dissipation*: 2.5 watts @ t l =+75 o c ? clamping speed (0 volts to v (br) min.) less than 5 nanoseconds. ? operating and stor age temperature: -65 o c to +150 o c ? solder temperatures: 260 o c for 10 s maximum ? case: void free trans fer molded thermosetting plastic package meeting ul94v-0 ? finish: tin-lead or rohs compliant matte-tin plating solderable per mil-std-750, method 2026 ? polarity: cathode (tvs) marked with band ? marking: part number without hsmbj prefix (ie. sac5.0, sac5.0e3, etc) ? weight: 0.1 grams (approx.) ? see package dimensions on last page * tvs devices are not typically used for dc power dissipation and are instead operated < v wm (rated standoff voltage) except for transients that briefly drive the device into avalanche breakdown (v br to v c region) of the tvs element. also see figures 5 and 6 for further protection details in rated peak pulse pow er for unidirectional and bidirecti onal configurations respectively. 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
microsemi scottsdale division page 2 copyright ? 2005 10-12-2005 rev g www. microsemi . com hsmbjsac5.0 thru hsmbjsac75, e3 500 watt low capacitance transient voltage suppressor scottsdale division electrical characteristics @ 25 o c microsemi part number reverse stand-off voltage (note 1) v wm volts breakdown voltage @ i (br) 1.0ma v (br) volts min. maximum standby current @v wm i d a maximum clamping voltage i p = 5.0a* v c volts maximum peak pulse current* rating i pp amps maximum capacitance @ o volts, f=1 mhz pf working inverse blocking voltage v wib volts inverse blocking leakage current i ib @ v wib a peak inverse blocking voltage v pib volts hsmbjsac5.0 hsmbjsac6.0 5.0 6.0 7.60 7.90 300 300 10.0 11.2 44 41 30 30 75 75 10 10 100 100 hsmbjsac7.0 hsmbjsac8.0 7.0 8.0 8.33 8.89 300 100 12.6 13.4 38 36 30 30 75 75 10 10 100 100 hsmbjsac8.5 hsmbjsac10 8.5 10 9.44 11.10 50 5.0 14.0 16.3 34 29 30 30 75 75 10 10 100 100 hsmbjsac12 hsmbjsac15 12 15 13.30 16.70 5.0 5.0 19.0 23.6 25 20 30 30 75 75 10 10 100 100 hsmbjsac18 hsmbjsac22 18 22 20.00 24.40 5.0 5.0 28.8 35.4 15 14 30 30 75 75 10 10 100 100 hsmbjsac26 hsmbjsac36 26 36 28.90 40.0 5.0 5.0 42.3 60.0 11.1 8.6 30 30 75 75 10 10 100 100 hsmbjsac45 hsmbjsac50 45 50 50.00 55.50 5.0 5.0 77.0 88.0 6.8 5.8 30 30 150 150 10 10 200 200 hsmbjsac75 75 83.3 5.0 121 4.1 30 150 10 200 *see figure 3. for the hsmbjsac75, the maximum clamping voltage v c is at the maximum rated peak pulse current (i pp ) of 4.1 amps. clamping factor: the ratio of the numerical value of v c to v (br) is typically 1.4 @ full rated power, 1.20 @ 50% rated power. also see micronote 108. note 1: a transient voltage suppressor is nor mally selected according to voltage (v wm ), that should be equal to or greater than the dc or continuous peak operating voltage level. note 2: when pulse testing, test in tvs avalanche direction. do not pulse in ?forward? direction. see section for ?schematic applic ations? herein. . graphs hsmbjsac5.0 thru hsmbjsac75,e3 t w ? pulse width s figure 1 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
microsemi scottsdale division page 3 copyright ? 2005 10-12-2005 rev g www. microsemi . com hsmbjsac5.0 thru hsmbjsac75, e3 500 watt low capacitance transient voltage suppressor scottsdale division i pp ? p eak pulse c urre nt - % i pp %o fr a t e d p o w e r t l ? lead temperature ? o c t ? time ? msec figure 2 figure 3 lead length = 3/8 ? schematic applications the tvs low capacitance device configurati on is shown in figure 4. as a further option for unidirectional applications, an add itional low capacitance rectifier diode may be used in parallel in the same polarity direction as the tvs as shown in figure 5. in applica tions where random high voltage transients occur, this will prevent reverse transi ents from damaging the internal low capacitance rectifier diode and also provide a low voltage conducting direction. the added rectifier diode should be of similar low capacitance and also have a higher revers e voltage rating than the tvs clamping voltage v c . the microsemi recommended rectifier part number is the ?hsmbjlcr60? for the application in figure 5. if using two (2) low capacitance t vs devices in anti-parallel for bidirectional app lications, this added protective feature for bo th directions (including the reverse of each rectifier diode) is inherently provided in fi gure 6. the unidirectional and bi directional configurations i n figure 5 and 6 will both result in twice the capacitance of figure 4. package dimensions figure 4 figure 5 hsmbjsac5.0 thru hsmbjsac75,e3 tvs with internal low optional unidirectional capacitance diode configuration (tvs and separate rectifier diode) dimensions in parallel) inches millimeters dim min max min max a .073 .087 1.85 2.21 b .160 .180 4.06 4.57 c .130 .155 3.30 3.94 d .205 .220 5.21 5.59 e .075 .130 1.91 3.30 f .030 .060 .76 1.52 g .006 .016 .15 .41 note: dimension e exceeds the jedec outline in height as shown figure 6 optional bidirectional configuration (two tvs devices in anti-parallel) 8700 e. thomas rd. po box 1390, scottsdale, az 85252 usa, (480) 941-6300, fax: (480) 947-1503
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