SIYU R 1N52 Series Features DO-35 Glass * Low reverse leakage *Low zener impedance *500mW Maximum power dissipation of 500 mW * High stability and high reliability *RoHS Lead and body according with RoHS standard Mechanical Data Case: DO-35 Glass Case *: DO-35 *: Polarity: Color band denotes cathode end Unitmm *: Mounting Position: Any TA = 25 Maximum Ratings & Thermal Characteristics Parameter Ratings at 25 ambient temperature unless otherwise specified. Symbols Value Unit Power Dissipation Pd 500 mW Operating junction temperature Tj 175 Storage temperature range Ts TA = 25 Electrical Characteristics Type -55 --- +150 Ratings at 25 ambient temperature VF 1.1V @IF = 200mA Zener Voltage Reverese Current Dynamic Resistance VZ(V) Test condition Nom. MIN. MAX. IZ(mA) IR(A) Test condition rd() Test condition MAX. VR(V) MAX. IZ(mA) 1N5221B 2.4 2.28 2.52 20 100 1.0 30 20 1N5222B 1N5223B 1N5224B 1N5225B 1N5226B 2.5 2.38 2.63 20 100 1.0 30 20 2.7 2.57 2.83 20 75 1.0 30 20 2.8 2.66 2.94 20 75 1.0 30 20 3.0 2.85 3.15 20 50 1.0 29 20 3.3 3.13 3.46 20 25 1.0 28 20 1N5227B 1N5228B 1N5229B 3.6 3.42 3.78 20 15 1.0 24 20 3.9 3.71 4.09 20 10 1.0 23 20 4.3 4.09 4.51 20 5 1.0 22 20 1N5230B 1N5231B 1N5232B 4.7 4.47 4.93 20 5 2.0 19 20 5.1 4.85 5.35 20 5 2.0 17 20 5.6 5.32 5.88 20 5 3.0 11 20 1N5233B 1N5234B 1N5235B 1N5236B 1N5237B 1N5238B 6.0 5.70 6.30 20 5 3.5 7 20 6.2 5.89 6.51 20 3 4.0 7 20 6.8 6.46 7.14 20 3 5.0 5 20 7.5 7.13 7.87 20 3 6.0 6 20 8.2 7.79 8.61 20 3 6.5 8 20 8.7 8.27 9.13 20 3 6.5 8 20 DACHANG ELECTRONICS SIYU R 1N52 Series Type Zener Voltage Reverese Current Dynamic Resistance VZ(V) Test condition Nom. MIN. MAX. IZ(mA) IR(A) MAX. Test condition rd() Test condition VR(V) MAX. IZ(mA) 1N5239B 9.1 8.65 9.55 20 3 7.0 10 20 1N5240B 1N5241B 1N5242B 1N5243B 1N5244B 10 9.50 10.50 20 3 8.0 17 20 11 10.45 11.55 20 2 8.4 22 20 12 11.40 12.60 20 1 9.1 30 20 13 12.35 13.65 9.5 0.5 9.9 13 9.5 14 13.30 14.70 9.0 0.1 10 15 9.0 1N5245B 1N5246B 1N5247B 15 14.25 15.75 8.5 0.1 11 16 8.5 0.1 12 17 7.8 13 19 7.4 1N5248B 1N5249B 1N5250B 16 15.20 16.80 7.8 17 16.15 17.85 7.4 0.1 18 17.10 18.90 7.0 0.1 14 21 7.0 19 18.05 19.95 6.6 0.1 14 23 6.6 20 19.00 21.00 6.2 0.1 15 25 6.2 0.1 17 29 5.6 22 20.90 23.10 5.6 24 22.80 25.20 5.2 0.1 18 33 5.2 25 23.75 26.25 5.0 0.1 19 35 5.0 27 25.65 28.35 4.6 0.1 21 41 4.6 28 26.60 29.40 4.5 0.1 21 44 4.5 30 28.50 31.50 4.2 0.1 23 49 4.2 33 31.35 34.65 3.8 0.1 25 3.8 36 34.20 37.80 3.4 0.1 27 58 70 1N5259B 1N5260B 1N5261B 39 37.05 40.95 3.2 0.1 30 80 3.2 43 40.85 45.15 3.0 0.1 33 93 3.0 47 44.65 49.35 2.7 0.1 36 150 2.7 1N5262B 1N5263B 1N5264B 1N5265B 1N5266B 1N5267B 51 48.45 53.55 2.5 0.1 39 125 2.5 56 53.20 58.80 2.2 0.1 43 150 2.2 60 57.0 63.0 2.1 0.1 46 170 2.1 62 58.9 65.1 2.0 0.1 47 185 2.0 0.1 52 230 1.8 0.1 56 270 1.7 1N5251B 1N5252B 1N5253B 1N5254B 1N5255B 1N5256B 1N5257B 1N5258B 68 64.6 71.4 1.8 75 71.25 78.75 1.7 3.4 DACHANG ELECTRONICS