1N5253B

1N5221B Series Surface Mount Zener Diodes P b Lead(Pb)-Free SMALL SIGNAL ZENER DIODES 0.5WATTS Features: * High Rliability * Very Sharp Reverse Characteristic * Low Reverse Current Level * VZ-Tolerance ± 5% Mechanical Data: * Voltage stabilization *Case : DO-35 Glass Case *Weight : Approx 0.13 gram DO-35 DO-35 Outline Dimensions Unit:mm C D A B A A DIM DO-35 Min 26.0 Max Min - B Max 4.20 Min - C Max 0.55 Min - D Max 2.0 http//www.weitron.com.tw WEITRON 1/3 18-Jul-06 1N5221B Series Maximum Ratings and Electrical Characteristics (TA=25°C Unless Otherwise Noted) Parameter Power dissipation Z-current Junction ambient Junction temperature Storage temperature range I=9.5mm(3/8”)TL=constant T amb ≤ 75°C Symbol PV IZ RθJA Tj T stg Value 500 P V /V Z 300 200 -6 5 ~+2 0 0 Unit mW mA K/W °C °C Electrical Characteristics Parameter Forward voltage I F=2 0 0 mA Symbol VF Min - Typ - Max 1.1 Unit V http//www.weitron.com.tw WEITRON 2/3 18-Jul-06 1N5221B Series VZnom1) IZT for rzjT rzjK @ IZK IR @ VR TKVZ V mA Ω Ω mA μA V %/K 1N5221B 2.4 20