RD2.0ES~RD39ES Zener diode Features 1. DO-34 Glass sealed package This diode can be inserted into a PC board with a shorter pitch5mm 2. Planar process 3. Vz applied E24 standard Applications Circuits for constant voltage, constant current, waveform clipper, surge absorber, etc. Absolute Maximum Ratings Tj=25 Parameter Symbol Value Unit If 150 mA PV 400 mW Surge Reverse Power PRSM 100 W Junction Temperature Tj 175 Storage Temperature Tstg -65~+175 Forward Current Power Dissipation Stresses exceeding maximum ratings may damage the device. Maximum ratings are stress ratings only. Functional operation above the recommended operating conditions is not implied. Extended exposure to stresses above the recommended operating conditions may affect device reliability. Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 1/7 RD2.0ES~RD39ES Electrical Characteristics Tj=25 Type Number Suffix Zener voltage Dynamic Impedance Zzt () Vz (V) RD 2.0ES RD 2.2 ES RD 2.4 ES RD 2.7 ES RD 3.0 ES RD 3.3 ES RD 3.6 ES RD 3.9 ES RD 4.3 ES RD 4.7 ES RD 5.1 ES RD 5.6 ES RD 6.2 ES A B A B A B A B A B A B A B A B A B C A B C A B C A B C A B C Min. 1.88 1.88 2.01 2.11 2.11 2.22 2.32 2.32 2.41 2.52 2.52 2.68 2.84 2.84 2.99 3.15 3.15 3.31 3.46 3.46 3.60 3.74 3.74 3.89 4.04 4.04 4.17 4.30 4.44 4.44 4.55 4.68 4.81 4.81 4.94 5.09 5.28 5.28 5.45 5.61 5.78 5.78 5.96 6.12 Max. 2.24 2.12 2.24 2.44 2.34 2.44 2.65 2.54 2.65 2.93 2.77 2.93 3.24 3.08 3.24 3.54 3.39 3.54 3.84 3.69 3.84 4.16 4.01 4.16 4.57 4.29 4.43 4.57 4.93 4.68 4.80 4.93 5.37 5.07 5.20 5.37 5.91 5.55 5.73 5.91 6.44 6.09 6.27 6.44 Knee Dynamic Impedance Zzk () Reverse current IR (A) Iz (mA) Max. Iz (mA) Max. Iz (mA) Max. VR (V) 5 100 5 1000 0.5 120 0.5 5 100 5 1000 0.5 120 0.7 5 100 5 1000 0.5 120 1.0 5 110 5 1000 0.5 100 1.0 5 120 5 1000 0.5 50 1.0 5 120 5 1000 0.5 20 1.0 5 120 5 1100 0.5 10 1.0 5 120 5 1200 0.5 5 1.0 5 120 5 1200 0.5 5 1.0 5 100 5 1200 0.5 5 1.0 5 70 5 1200 0.5 5 1.5 5 40 5 900 0.5 5 2.5 5 30 5 500 0.5 5 3.0 Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 2/7 RD2.0ES~RD39ES Type Number Suffix Zener voltage Dynamic Impedance Zzt () Vz (V) RD 6.8 ES RD 7.5 ES RD 8.2 ES RD 9.1 ES RD 10 ES RD 11 ES RD 12 ES RD 13 ES RD 15 ES RD 16 ES RD 18 ES A B C A B C A B C A B C A B C A B C A B C A B C A B C A B C A B C Min. 6.29 6.29 6.49 6.66 6.85 6.85 7.07 7.29 7.53 7.53 7.78 8.03 8.29 8.29 8.57 8.83 9.12 9.12 9.46 9.82 10.18 10.18 10.50 10.82 11.13 11.13 11.44 11.74 12.11 12.11 12.55 12.99 13.44 13.44 13.89 14.35 14.80 14.80 15.25 15.69 16.22 16.22 16.82 17.42 Max. 7.01 6.63 6.83 7.01 7.67 7.22 7.45 7.67 8.45 7.92 8.19 8.45 9.30 8.73 9.01 9.30 10.39 9.65 10.02 10.39 11.38 10.71 11.05 11.38 12.35 11.71 12.03 12.35 13.66 12.75 13.21 13.66 15.09 14.13 14.62 15.09 16.51 15.57 16.04 16.51 18.33 17.06 17.70 18.33 Knee Dynamic Impedance Zzk () Reverse current IR (A) Iz (mA) Max. Iz (mA) Max. Iz (mA) Max. VR (V) 5 25 5 150 0.5 2 3.5 5 25 5 120 0.5 0.5 4.0 5 20 5 120 0.5 0.5 5.0 5 20 5 120 0.5 0.5 6.0 5 20 5 120 0.5 0.2 7.0 5 20 5 120 0.5 0.2 8.0 5 25 5 110 0.5 0.2 9.0 5 25 5 110 0.5 0.2 10 5 25 5 110 0.5 0.2 11 5 25 5 150 0.5 0.2 12 5 30 5 150 0.5 0.2 13 Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 3/7 RD2.0ES~RD39ES Type Number Suffix Zener voltage Dynamic Impedance Zzt () Vz (V) RD 20 ES RD 22 ES RD 24 ES RD 27 ES RD 30 ES RD 33 ES RD 36 ES RD 39 ES A B C A B C D A B C Min. 18.14 18.14 18.80 19.45 20.15 20.15 20.64 21.08 21.52 22.05 22.05 22.61 23.12 Max. 20.45 19.07 19.76 20.45 22.63 21.20 21.71 22.17 22.63 24.85 23.18 23.77 24.13 D A B C D A B C D A B C D A B C D A B C D 23.63 24.26 24.26 24.97 25.63 26.29 26.99 26.99 27.70 28.36 29.02 29.68 29.68 30.32 30.90 31.49 32.14 32.14 32.79 33.40 34.01 34.68 34.68 35.36 36.00 36.63 24.85 27.64 25.52 26.26 26.95 27.64 30.51 28.39 29.13 29.82 30.51 33.11 31.22 31.88 32.50 33.11 35.77 33.79 34.49 35.13 35.77 38.52 36.47 37.19 37.85 38.52 Knee Dynamic Impedance Zzk () Reverse current IR (A) Iz (mA) Max. Iz (mA) Max. Iz (mA) Max. VR (V) 5 30 5 200 0.5 0.2 15 5 30 5 200 0.5 0.2 17 5 35 5 200 0.5 0.2 19 5 45 5 250 0.5 0.2 21 5 55 5 250 0.5 0.2 23 5 65 5 250 0.5 0.2 25 5 75 5 250 0.5 0.2 27 5 85 5 250 0.5 0.2 30 Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 4/7 RD2.0ES~RD39ES Iz-Zener Current-A Iz-Zener Current-A Iz-Zener Current-A Characteristics Vz-Zener Voltage-V Vz-Zener Voltage-V Figure 2. Zener current vs. Figure 3. Zener current vs. zener voltage zener voltage Iz-Zener Current-A Iz-Zener Current-A Figure 1. Zener current vs. zener voltage Vz-Zener Voltage-V Vz-Zener Voltage-V Vz-Zener Voltage-V Figure 4. Zener current vs. Figure 5. Zener current vs. zener voltage zener voltage Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 5/7 P-Power Dissipation - mW Rth -Thermal Resistance -/w RD2.0ES~RD39ES S - Size of P.C. Board -mm2 Ta-Ambient Temperature - Figure 7. Thermal resistance vs. ambient temperture size of P.C BOARD Zz - Dynamic Impedance - Rz -Vz Temperature Coefficience - %/ Figure 6. Power dissipation vs. Iz - Zener Current - mA Vz-Zener Voltage-V Figure 8. Dynamic impedance vs. Figure 9. Zener voltage temperature coefficient vs. zener voltage PRSM -Surge Reverse Power - W zener current tr - Pulse Width -s Figure 10. Surge reverse power ratings Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 6/7 Impedance - /W Zth - Transient Thermal RD2.0ES~RD39ES t - Time - s Figure 11. Transient thermal impedance characteristic Dimensions in mm Cathode identification Cathode Anode 0.40.1 1.80.2 291 2.70.3 291 Standard Glass Case JEDEC DO-34 Excel Semiconductor www.excel-semi.com FaxBack +86-512-66607370 Rev. 3e, 1-Nov-2006 7/7