DIOTEC ELECTRONICS CORP. Data Sheet No. UFSD-101-1B 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 1N4148 MINIATURE ULTRA FAST SWITCHING DIODE MECHANICAL SPECIFICATION FEATURES 1324562879 :;< < =?>2;< 2@BAC< ;>8>ED;:F;A2 1N4148 ACTUAL SIZE OF DO-35 PACKAGE G0H0IJ:8H0>87 DO-35 KML D24N ;>87O4 2:8H0P024 =?7#9 5B2 LL G0H0IQ< 28;F;0A2 BD (Dia) G0H0IRNHC4 IS;T4@UP0HC< 7 ;A2V@C4HCD 1W9 ACX6: L 44 2Y87Z:;TD;[T9 < 9 7 = BL Color Band Denotes Cathode RoHS COMPLIANT MECHANICAL DATA LL \^]_0`ZabTcOdMcC\ed3fhg ij?kCl ]_8_Em0nTo0p q `Trsut v]l _Ca8wOl ]x `oB]yTt ]l8l `]o0_ LD (Dia) zOnCl o`rt v0kOa8wT`Tr|{U} ~0g z q d886{S`x#0nToB88UkZ]Tr ]v8x ``o Sym wZnCl ]rt x pCa\MnCl nCrCm]Tv0oBo`v0n0x`_U 8]x0nTo` BL {SnCTv8xt v0kuwCn0_Tt x#t nCvCaSvp `Tt kC8xa 8jf?Tv0 `_6 0 6?r ]sU_0 Minimum In mm 0.142 3.6 Maximum In mm 3.81 0.150 BD 0.07 1.78 0.072 1.83 LL LD 1.00 0.02 25.4 0.52 0.03 0.8 MAXIMUM RATINGS & ELECTRICAL CHARACTERISTICS !#" $% # & '( & ) *+, & ( ## ! ( !#" -# ( !& ! . * /0" PARAMETER (TEST CONDITIONS) W XY&Z X[P\^]_`XY ¹Wº »8¼½¾T¿À6ÁSÂZ¿CÃ Ä ¼0Å»¼ÄOÆÈ Ì Ç6ÉË Í Ê ?A@ B!CDE%FGH IF8J K CLBCK MU NPORQQTV S ) *+, -.-0/1!*%23 14.55 16!783 1!915 :1 ;<= 7 *>1 3T BC ?uO0 B¡ # ¢8£¥¤§¦B¨8©ªW« ¬® ¢00#¯U¦6©° ±²8¨6 ¢T°³ ´° ¨UµuµE¶ · ¸ ÎTÏÐÑÒ0ÓCÔ ÕSÐÔÖB×^ØTÔÙÏUÚÛØTÔÔ ÏTÜ8Ý ?A@B CDFEHG IJLKMON!PADQ RAST UVFWHX YZL[\O]_a ^AV` ÞSßàZá â®ãâåä0æCç èSßTçéUêTæCë ì ßíîß8ì|ïð6âUñeò^ó !#"%$ &(')&+*-,/.!0)1324$ 55%$ 6#78$ ,-9 ! "#$%& %'!( p!q#r%s t(u)t+vxw#ywz {wvxw|}/ywz ~-s tw }/ w úüûþ ýÿRû ý ÿ R%% %R& 8#y # #! ô?õö÷øùú û0ü6øû0ýBþZùÿC÷ øüöö® õö÷ øùT ÷ öO øû0üö ôæõöq÷iøù Ê ËÌ ÍÎnÏÐÑiÒ ÎnÓ Ï&ÔqÕ×ñ Ö Ë&Ø8ÙÚÛ&ÜÝñ Ö8ÞÜÛßò Ö ËØnØáó àÒ ÎnânãänÎÒÔ ãyËÙ8Ú Ê åÌ ÍÎnÏÐÑiÒ ÎnÓ Ï&ÔæËnÍ%çæèé$Ïêiêë ì ÎnÓ Ò ÎänÎÒ ÐnÎ%äãië Ô ÏíiÎãîØäãë Ô Ð ïæð SYMBOL {^| u^v wyx!xz st R }^~ f8gih a bc dee y jk lnmj oqpir RATINGS UNITS :;3<%:=</> fg dee ³y´ µ¶%· bc hij k l mn o ! ¢¡P£%¤¥! º » ¯ °#±%² ¦§¨©%ª ¼!½ ¸¹ «¬ ¾%¿ ® À ÁÂ Ã Ä Å Ä Æ Ç È É È H21 DIOTEC ELECTRONICS CORP. Data Sheet No. UFSD-100-2B 18020 Hobart Blvd., Unit B Gardena, CA 90248 U.S.A Tel.: (310) 767-1052 Fax: (310) 767-7958 1N4148 MINIATURE ULTRA FAST SWITCHING DIODE RATING & CHARACTERISTIC CURVES FOR THE 1N4148 ïAð#ñ/ð)ò óðFôõ-ö ÷ øù)ð/úûôõ-ö ÷ ó Í4Î#ÏÐÒÑÐ)ÓÔÐ)Õ ÎÖL×Õ Ð/ØÙ Í FIGURE 2. TYPICAL JUNCTION CAPACITANCE FIGURE 1. FORWARD CURRENT DERATING CURVE íLî®î ëLì .1 ÄÆÅ-Ç®ÈÉ ÊÌË 1.0 ü þ 0.1 ý ¾ ÿ ¹®º¼»¸½ ¿®ÀÂÁ®Ã ¬L®°¯L±8²´³¶µ¸· #) %¡/¢3£x¤# ¥(%¤)¦£A§) ¨/!©%¡-ª ¤«) FIGURE 4. TYPICAL REVERSE CHARACTERISTICS 0.01 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 Ú ÛÜÝ ÞÛÝ Þ)Ûßà-áÜOâà-ã äFÞ)ãåæ%à%ç Ý Þè)ßé æà-ç Ý Ü/ê FIGURE 3. TYPICAL FORWARD CHARACTERISTIC PER DIODE H22