1N977 Datasheet | CHENYI

Features . Silicon planar power zener diodes . 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 1N957 THRU 1N978 0.5W SILICON PLANAR ZENER DIODES MECHANICAL DATA . Case: DO-35 glass case . Polarity: Color band denotes cathode end . Weight: Approx. 0.13gram ABSOLUTE MAXIMUM RATINGS(LIMITING VALUES)(TA=25 ) Zener current see table "Characteristics" Symbols Value Power dissipation at TA=75 Ptot 5001) Junction temperature TJ 175 Storage temperature range TSTG -65 to + 175 1)Valid provided that at a distance of 8mm from case are kept at ambient temperature(DO-35) ELECTRICAL CHARACTERISTICS(TA=25 ) Units m W Symbols Min. Thermal resistance junction to ambient R JA Forward voltage at IF=200m A 1)Valid provided that leads at a distance of 8mm from case are kept at ambient temperature Typ. Max. 300 1) Units /W Copyright @ 2000 SHANGHAI CHENYI ELECTRONICS CO.,LTD Page 1 of...