SHANGHAI SUNRISE ELECTRONICS CO., LTD. XR73-2.0 THRU XR73-20 PLANAR ZENER DIODE TECHNICAL SPECIFICATION ZENER VOLTAGE: 2.0-20V POWER: 500mW FEATURES DO - 35 • Small glass structure ensures high reliability • Zener impedence at low current is small • High temperature soldering guaranteed: 250oC/10S/9.5mm lead length at 5 lbs tension 1.0 (25.4) MIN. .120 (3.0) .200 (5.1) MECHANICAL DATA • Terminal: Plated axial leads solderable per MIL-STD 202E, method 208C • Case: Glass,hermetically sealed • Polarity: Color band denotes cathode • Mounting position: Any 1.0 (25.4) MIN. .060 (1.5) .090 (2.3) DIA. .018 (0.46) .022 (0.56) DIA. Dimensions in inches and (millimeters) MAXIMUM RATINGS AND CHARACTERISTICS (Ratings at 25oC ambient temperature unless otherwise specified) RATINGS SYMBOL VALUE IZ MAX Zener Current see table Pt Power Dissipation (Note 1) 500 Thermal Resistance Rθ(ja) 0.3 (junction to ambient) (Note 1) TJ,TSTG Operating Junction and Storage Temperature Range -55 ~ +175 Note: 1. Valid provided that leads are kept at ambient temperature at a distance of 8mm from case. UNITS mA mW o C/mW o C http://www.sse-diode.com CHARACTERISTICS TABLE VZ(V) TYPE CLASSIFICATION R S RZK Rz T U o IR IZ (25 C) IZ IZ max max IZK max VR (W) (mA) (mA) (W) (mA) (mA) (V) max (mA) XR73-2.0 1.88-2.20 1.88-2.10 2.02-2.20 20 140 20 2000 1 120 0.5 150 XR73-2.2 2.12-2.41 2.12-2.30 2.22-2.41 20 120 20 2000 1 120 0.7 140 XR73-2.4 2.33-2.63 2.33-2.52 2.43-2.63 20 100 20 2000 1 100 1.0 130 XR73-2.7 2.54-2.91 2.54-2.75 2.69-2.91 20 100 20 1000 1 50 1.0 130 XR73-3.0 2.85-3.22 2.85-3.07 3.01-3.22 20 80 20 1000 1 20 1.0 120 XR72-3.3 3.16-3.53 3.16-3.38 3.32-3.53 20 70 20 1000 1 10 1.0 110 XR73-3.6 3.455-3.845 3.455-3.695 3.60-3.845 20 60 20 1000 1 5 1.0 100 XR73-3.9 3.74-4.16 3.74-4.01 3.89-4.16 20 50 20 1000 1 5 1.0 90 XR73-4.3 4.04-4.57 4.04-4.29 4.17-4.43 4.30-4.57 20 40 20 1000 1 5 1.0 90 XR73-4.7 4.44-4.93 4.44-4.68 4.55-4.80 4.68-4.93 20 30 20 1500 0.5 5 1.0 85 XR73-5.1 4.81-5.37 4.81-5.07 4.94-5.20 5.09-5.37 20 30 20 1500 0.5 3 1.0 80 XR73-5.6 5.28-5.91 5.28-5.55 5.45-5.73 5.61-5.91 20 20 20 1500 0.5 3 2.0 70 XR73-6.2 5.78-6.44 5.78-6.09 5.96-6.27 6.12-6.44 20 20 20 1500 0.5 2 2.0 64 XR73-6.8 6.29-7.01 6.29-6.63 6.49-6.83 6.66-7.01 20 15 20 600 0.25 2 3.5 58 XR73-7.5 6.85-7.67 6.85-7.22 7.07-7.45 7.29-7.67 20 15 20 600 0.25 1 3.5 53 XR73-8.2 7.53-8.45 7.53-7.92 7.78-8.19 8.03-8.45 20 10 20 500 0.25 1 5 47 XR73-9.1 8.29-9.30 8.29-8.73 8.57-9.01 8.83-9.30 20 10 20 500 0.25 1 7 43 XR73-10 9.12-10.44 9.12-9.59 9.41-9.90 9.70-10.20 20 10 20 500 0.25 1 7 40 XR73-11 10.18-11.38 10.18-10.71 10.50-11.05 10.82-11.38 10 10 10 500 0.25 1 7 36 XR73-12 11.13-12.35 11.13-11.71 11.44-12.03 11.74-12.35 10 15 10 500 0.25 1 8 32 XR73-13 12.11-13.66 12.11-12.75 12.55-13.21 12.99-13.66 10 15 10 500 0.25 1 10 29 XR73-15 13.44-15.09 13.44-14.13 13.89-14.62 14.35-15.09 10 20 10 500 0.25 1 11 27 XR73-16 14.80-16.51 14.80-15.57 15.25-16.04 15.69-16.51 10 20 10 500 0.25 1 12 24 XR73-18 16.22-18.33 16.22-17.06 16.82-17.70 17.42-18.33 10 25 10 500 0.25 1 13 21 XR73-20 18.02-20.72 18.02-18.96 18.63-19.59 19.23-20.22 19.72-20.72 10 30 10 500 0.25 1 14 20 9.94-10.44 http://www.sse-diode.com