1N4942G thru 1N4948G 1.0 Amp. Glass Passivated Fast Recovery Rectifiers SYHSEM! SEMICONDUCTOR Voltage Range 200 to 1000 Volts Fonvard Current 1.0 Ampere Features @ Plastic package has Underwriters Laboratories Flarmmability Classification 94-0 @ High temperature metallurgically bonded construction @ For use in high frequency rectifier circuits @ Fast switching for high efficiency @ Cavity-flee glass passivated junction @ Capable of meeting environmental standards of MIL-3-19500 DO-204AL (DO-41) @ 1.0 Ampere operation at T,=55C with no thermal runaway @ High temperature soldering guaranteed: - S60C/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. [2.3kg} tensian ae oe 1.0 (25.4) DIAL mn Mechanical Data Lge |] @ Case: JEDEC DO-204 AL (DO-41), molded plastic over glass [ "205 (5.2) bochy | 166 (4.2) @ Terminals: Plated axial leads, solderable per MIL-STD-7450, [ Method 2026 @ Polarity: Color band denotes cathode end 1.0284 @ Mounting Position: Any MIN. @ Weight: 0.012 ounce, 0.335 gram a ea lle DIA. Dimensions in inches and (millimeters) Maximum Ratings and Electrical Characteristics Ratings at 25%3 ambient ternmperature unless othenwise specified. Parameter Symbok 1N4949G | 1N4044G | 1N4946G | 1N4947G | 1N4048G Units Maximum repetitive peak reverse voltage View 200 400 gag ao {ooo Yolts Masimum RMS voltage Mise 140 280 420 660 Fou Volts Masinnum CC Blocking voltage Vos 200 400 600 800 qo0g Volts Maximum average fonyard rectified current 10 arn O375" (@.6enm) lead length at T =a5C yan z p Peak fonvard sume curent 6.3rns single half sinewave superimposed lect 25.0 Amps on rated bad JEDEC Method) Mlasimurm instantaneous fonvard voltage at 1.0.4 VE 41:3 Yalts Maximum DG reverse curent = T,=26Cs L 1.0 wh at rated DC blocking voltage T,=160C 200 Maximum reverse recovery time at [=0.54, L=1.0A, [=0.258 1 160 250 5o0 ns Typieal junction capacitance at 4.0, 1 MHz c, 16 pF Typical thernal resistance (Mote 1) Pau 65 ory Operating junction and storage temperature range Teel -65 to +175 a Notes: = 1. Thermal resistance from junction to arbient at 0.376" (3. Srom) lead length, P.0.B. mountedRATINGS AND CHARACTERISTIC CURVES 1N4942G thru 1N4948G (T, =26C unless othenwise notech AVERAGE FORWARD RECTIFIED CURRENT, AMPERES INSTANTANEOUS FORWARD CURRENT, JUNCTION CAPACITANCE | pF AMPERES FIG. 1- FORWARD CURRENT DERATING CURVE 1.0 0.6 0.25 a4 oof 30 0 575" (o Seam) LEAD LENGTH 1 0 ; i 26 50) 5 100 125 #150 175 AMBIENT TEMPERATURE, C FIG. 3- TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS. 10 04 06 O$8 10 12 #14 1.6 INSTANTANEOUS FORWARD VOLTAGE, VOLTS FIG. 5- TYPICAL JUNCTION CAPACITANCE 1 1 REVERSE VOLTAGE, VOLTS 109 TRANSIENT THERMAL IMPEDANCE (CA) FIG. 2- MAXIMUM NOK-REPETITIVE PEAK FORWARD SURGE CURRENT 30 a ; TieTa rae ys 8 INGLE HALF SINE-WAVE = i Method) fr 23 a 8 20 Ps s uw fh 2 ws, nw hy a: he ce 15 Bs, : Ss o NA 3 W s a Mn 5.0 1 10 100 NUMBER GF CYCLES AT 60 Hz FIG, 4 - TYPICAL REVERSE CHARACTERISTICS 2a O41 INSTANTANEOUS REVERSE CURRENT, MICROAMPERES 0.01 0 oy AD 60) 80) 700) PERCENT OF RATED PEAK REVERSE VOLTAGE, % FIG. 6- TYPICAL TRANSIENT THERMAL IMPEDANCE 7100 O17 0.01 Of 1 10 100 t, PULSE DURATION, see