RECTRON 1N5223B THRU 1N5261B SEMICONDUCTOR TECHNICAL SPECIFICATION 500mW 5% DO-35 ZENER DIODE Absolute Maximun Ratings (Ta=25oC) Items Power Dissipation Power Derating (above 75 oC) Forward Voltage @If = 10 mA Vz Tolerence Junction Temp. Storage Temp. Dimensions Symbol Ratings Unit PTOT 500 mW 4.0 mW/oC Vf 1.2 V TJ TSTG 5 -65 to 175 -65 to 175 DO-35 2 6 M IN % C o C 0 .4 5 7 D IA . 0 .5 5 9 o 4 .2 m ax. Mechanical Data Items P a cka g e C a se 2 .0 D IA . m ax. Materi als D O-35 Hermeti cally sealed glass Lead/Fi ni sh C hi p 2 6 M IN D ouble Stud/Solder Plati ng Glass Passi vated Dimensions in millimeters Electrical Characteristics (Ta=25oC) ZENER VOLTAGE MAX ZENER IMPEDANCE TYPE MAX ZENER IMPEDANCE Izt = 0.25mA TEMP. COEFF. MAXIMUM REVERSE CURRENT dvz Vz(V) Izt(mA) Rz (ohms) 1N5223B 2.7 20 30 1N5224B 2.8 20 1N5225B 3.0 1N5226B Izt(mA0 Rz (ohms) VR (V) IR (uA) (%/ oC) 20 1300 1.0 75 -0.080 30 20 1400 1.0 75 -0.080 20 29 20 1600 1.0 50 -0.075 3.3 20 28 20 1600 1.0 25 -0.070 1N5227B 3.6 20 24 20 1700 1.0 15 -0.065 1N5228B 3.9 20 23 20 1900 1.0 10 -0.060 1N5229B 4.3 20 22 20 2000 1.0 5 +/-0.055 1N5230B 4.7 20 19 20 1900 2.0 5 +/-0.030 1N5231B 5.1 20 17 20 1600 2.0 5 +/-0.030 1N5232B 5.6 20 11 20 1600 3.0 5 +/-0.038 1N5233B 6.0 20 7 20 1600 3.5 5 +/-0.038 1N5234B 6.2 20 7 20 1000 4.0 5 +0.045 1N5235B 6.8 20 5 20 750 5.6 3 +0.050 Electrical Characteristics (Ta=25oC) ZENER VOLTAGE MAX ZENER IMPEDANCE TYPE MAX ZENER IMPEDANCE Izt = 0.25mA MAXIMUM REVERSE CURRENT TEMP. COEFF. dvz Vz(V) Izt(mA) Rz (ohms) 1N5236B 7.5 20 6 1N5237B 8.2 20 1N5238B 8.7 1N5239B Izt(mA0 Rz (ohms) VR (V) IR (uA) (%/ oC) 20 500 6.0 3.0 +0.058 8 20 500 6.5 3.0 +0.062 20 8 20 600 6.5 3.0 +0.065 9.1 20 10 20 600 7.0 3.0 +0.068 1N5240B 10 20 17 20 600 8.0 3.0 +0.075 1N5241B 11 20 22 20 600 8.4 2.0 +0.076 1N5242B 12 20 30 20 600 9.1 1.0 +0.077 1N5243B 13 9.5 13 9.5 600 9.9 0.5 +0.079 1N5244B 14 9.0 15 9.0 600 10 0.1 +0.082 1N5245B 15 8.5 16 8.5 600 11 0.1 +0.082 1N5246B 16 7.8 17 7.8 600 12 0.1 +0.083 1N5247B 17 7.4 19 7.4 600 13 0.1 +0.084 1N5248B 18 7.0 21 7.0 600 14 0.1 +0.085 1N5249B 19 6.6 23 6.6 600 14 0.1 +0.086 1N5250B 20 6.2 25 6.2 600 15 0.1 +0.086 1N5251B 22 5.6 29 5.6 600 17 0.1 +0.087 1N5252B 24 5.2 33 5.2 600 18 0.1 +0.088 1N5253B 25 5.0 35 5.0 600 19 0.1 +0.089 1N5254B 27 4.6 41 4.6 600 21 0.1 +0.090 1N5255B 28 4.5 44 4.5 600 21 0.1 +0.091 1N5256B 30 4.2 49 4.2 600 23 0.1 +0.091 1N5257B 33 3.8 58 3.8 700 25 0.1 +0.092 1N5258B 36 3.4 70 3.4 700 27 0.1 +0.093 1N52459B 39 3.2 80 3.2 800 30 0.1 +0.094 1N5260B 43 3.0 93 3.0 900 33 0.1 +0.095 1N5261B 47 2.7 105 2.7 1000 36 0.1 +0.095 Notes: 1. The Electrical characteristics are measured after allowinh the device to stabilize for 20 sec. when mounted with a 3/8” minimum lead length from the case. 2. Temperature Coefficient (dvz) a. Izt= 7.5ma, T1= 25oC, T2= 125oC (1N5223B - 1N5242B) b. Izt= rated Izt, T1= 25oC, T2= 125oC (1N5243B - 1N5261B)