RICHARDSON/ NATIONAL EL bee D ml 773491? O000709 141 MM NAT SILICON DIODE JEDEC TYPE IN3085-92 IN3735-44 IN4044-56 NATIONAL TYPE NO. A177 A180 A197 NL1931 lem (AV) Max. average forward 100 150 150 250 250 275 300 current (A) @ TcC 85 140 150 103 130 120 120 lrsm Max peak one cycle surge current (A) 2500 3400 3000 5000 4500 000 5750 Ft Max at 8.3 msec (A2sec) 25000 46000 37500 100000 84000 100000 438000 Vrm Max. peak voltage drop 1.75 1.3 1.2 1.7 1.3 1.35 1.4 @ peak amps., Tu = 25C 500 500 470 1000 785 860 950 Reuc Max. thermal resistance Junction-to-case (C/W) 3 3 25 18 18 18 18 Tu Max. junction operating temperature (C} 125 175 200 125 200 190 200 Trr Max. reverse recovery time (nsec) 1400 - _ 2000 ~ _ ~ 50 F IN3111 IN4044 NL1931F 400 A AIT7TA A180A IN3085 A197A IN3735 IN4045 NLIQ31A 200 B At77B A1808 IN3086 A197B IN3736 IN4047 NL1931B 300 Cc A177C A180C IN3087 A197C 1N3737 IN4049 NL1931C 400 D A177A A180D IN3088 A197D IN3738 IN4050 NL1931D REPETITIVE 500 E AI77E AT80E IN3089 A197E IN3739 IN4051 NLIS31E PEAK 600 M A177M A180M IN3090 A197M IN3740 IN4052 NL1S931M REVERSE 700 Ss A177S A180S A1978 IN4053 NL1931S VOLTAGE 800 N AI77N A180N IN3091 A197N IN3741 IN4054 NL1931N (VRRM) 900 T A177T A180T A197T IN4055 NL1931T 1000 Pp A177P A180P IN3092 A197P IN3742 IN4056 NL1931P 1100 PA AI77PA A180PA A197PA NL1S31PA 1200 PB At177PB A180PB iN5162 A1i97PB IN3743 NL1931PB 1300 PC A177PC A180PC A197PC NL1931PC 1400 PD A177PD A180PD A197PD IN3744 NL1931PD 1500 PE A177PE A180PE A197PE NL1931PE Stud Torque (in-!bs) 100 150 150 300 300 300 300 Package Type 3%" Stud %" Stud Ye" Stud 34 Stud 94 Stud 3%" Stud 34" Stud Package Outline Number DO-8 DO-8 DO-30 DO-3 DO-9 BO-9 DO-9 Call Richardson Electronics, Ltd. at 1-(800) 348-5580 in the U.S. and Canada. See the back caver for a complete listing of our locations 27