1N5237

R SEMICONDUCTOR 0.5W SILICON PLANAR ZENER DIODES DO-35 FEATURES Standards zener voltage tolerance is +20%.Add suffix "A" for+10% tolerance and suffix "B" for + 5% tolerance other tolerance, non standards and higher zener voltage upon request 0.079(2.0) MAX DIA 1.083(27.5) MIN 0.150(3.8) MAX MECHANICAL DATA Case: DO -35 glass case Polarity: Color band denotes cathode end Weight: Approx . 0.13 gram 0.020(0.52) MAX DIA 1.083(27.5) MIN Dimensions in inches and (millimeters) ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES) (TA=25 C) Zene r cur rent see table "Characte ristics" Power dissi pation at TA= 7 5 C Jun ction te mpe rature Storage tem perature rang e Ptot TJ TSTG 50 01) 17 5 -6 5 to+ 20 0 mW C C 1) Val id pro vide d that a di stan ce of 8m m fr om case are kept at amb ient te mpe rature ELECTRICAL CHARACTERISTICS (TA=25 C) Therm al r esista nce junc tion to amb ient a ir For ward voltage at IF=2 00m A RTHA VF 0.3 1) 1.1 K/mW V 1) Val id pro vide d that a di stan ce of 8m m fr om case are kept at amb ient te mpe rature Ze ne r Vo lta ge range 1) VZNOM V 2.4 2.5 2.7 2.8 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 9.5 9.0 8.5 7.8 7.4 7.0 6.6 20