LDTS14 MICROSEMI | Alldatasheet
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Microsemi Corp. thru SANTA ANA, CA / SCOTTSDALE, AZ LDTS48A / For more information cal (602) 941-6300 FEATURES TRANSIENT This series is used in automotive and vehicular applications where load-dump ABSORP HON and field decay transients occur. The LDTS protects across-the-line de power systems from Load Dump and Field Decay Voltage Transient Susceptibility on Power Leads. © DESIGNED FOR OC POWER APPLICATIONS © LOW CLAMPING RATIO MAXIMUM RATINGS +
3000 Watts of Peak Pulse Power dissipation at 50ms (see Figure 1) ons aL gate
telamping (0 volts to Vopr) min.): Less than 1 x 10-!2 seconds (theoretical) 2) (Oyo Storage temperature: -50°C to +200°C. | in ie * Operating temperature: -50° to +175°C (Figure 3) Si metcrorer eyes Forward surge rating: 200 amps, 8.3ms at 25°C 435 gua | 1500 = 090 10378 Steady state power dissipation: 50 watts, Tc = 25°C Saar wats | Repetition Rate (duty cycle): 0.1% i —— wins LDTS 14 Series - Designed for a standard 12 volt power system, Pm Aa) oa, 30.150_= 0.254 LDTS 24 Series - Designed for a standard 12 volt power system capable of sustaining a r i 24 volt (double voltage) jump start. aun 0000 ‘i022 > 0.258 LDTS 30 Series - Designed for a standard 24 volt power system. T ots = aaxe . LDTS 48 Serles - Designed for a standard 24 volt power system capable of sustaining a Seer e 054 iets S028 48 volt (double voltage) jump start. $56 = 0.08 ELECTRICAL CHARACTERISTICS AN gimensions in NY FrouRe t MiNiMuM | MAXIMUM | geaxintunt | MAXIMUM | MAXIMUM REVERSE | BREAKDOWN ‘VOLTAGE SURGE | REVERSE | VOLTAGE ‘STAND-OFF| VOLTAGE @l CURRENT | LEAKAGE TEMP. microsem | VOLTAGE Vipr) ‘op (FIG.2) Vwm_ | Variation PART Ywm | @20ma Ve Slop 1D Ver NUMBER VOUS VOLTS VOLTS: ‘AMPS ‘BAMPS mv/c MECHANICAL - CHARACTERISTICS wos14 | 140 160 260 | 1155 | 1900 490 AS , LOTS 144 14.0 16.0 235 128.0 100.0 170 CASE: Industry standard TO-3 hermetically sealed. .052. inch LOTS 240 240 25 39.0 mo 900 FINISH: All external surfaces are tors 30a | 300 330 485 620 | 100.0 36.0 solderable. WEIGHT: 15 grams (Appx.). MOUNTING HARDWARE: See page 2.9 4-47
S100 sere lthtieetebtt ere ert pee et esas : OS Saini B10 peter (ee petit e at PRS 2 vo keianatiial Hille Ga San S10 eetptttlseb at Ht Fete ptt | Pst tae auiisaticiii etait CHT ATi & Ims ims 10ms 100ms 1s 5 —Pulse Time—sec FIGURE 1 PEAK PULSE POWER VS. PULSE TIME @ 25°C i at.) \\ | =| EBs »}-—\\
2 TF SE0
& 9 1X50 Wavet s
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{Ta Ben rr Pulse Wave Form (1 X 50) Tc - Case Temperature - °C FIGURE 2 FIGURE 3 SURGE WAVEFORM DERATING CURVE ine 1.2590. 0.172 Farad 1.7220 1.7382 “KX suppressor _— under test Test circuit for simulated load dump in automotive and similar electrical applications. FIGURE 4 4-48