DATA SHEET 1N5221B~1N5281B SEMICONDUCTOR 500 mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators Maximum Ratings (Note 1) Rating Symbol Value Unit Maximum Steady State Power Dissipation @ TL ≤75°C, Lead Length = 3/8” PD 500 mW 4.0 mW/°C -65 to +200 °C Derate Above 75°C Operating and Storage Temperature Range TJ, Tstg AXIAL LEAD DO35 1. Some part number series have lower JEDEC registered ratings. Specification Features • • • • • Zener Voltage Range = 2.4 V to 200 V ESD Rating of Class 3 (>16 KV) per Human Body Model DO-35 Package (DO-204AH) Double Slug Type Construction Metallurgical Bonding Cathode Mechanical Characteristics Anode MARKING DIAGRAM Case : Double slug type, hermetically sealed glass Finish : All external surfaces are corrosion resistant and leads are readily solderable. Polarity : Cathode indicated by polarity band Mounting: Any Maximum Lead Temperature for Soldering Purposes 230°C, 1/16” from the case for 10 seconds http://www.yeashin.com 1N 52 xxB 1N52xxB 1 = Device Code REV.03 20121003 1N5221B~1N5281B ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted. Based on DC measurements at thermal equilibrium; lead length = 3/8”; thermal resistance of heat sink = 30°C/W, VF = 1.1 V Max @ IF = 200mA for all types) Symbol Parameter VZ Reverse Zener Voltage @ IZT IZT Reverse Zener Current ZZT Maximum Zener Impedance @ IZT IZk Reverse Zener Current IR Reverse Leakage Current @ VR VR Reverse Voltage IF Forward Current VF Forward Voltage @ IF θVZ Maximum Zener Voltage Temperature Coefficient ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted, VF = 1.1 V Max @ IF = 200mA for all types) Zener Voltage (Note 3.) Device (Note 2.) Device Marking 1N5221B 1N5222B VZ (Volts) Max Zener Impedance (Note 4.) @ IZT ZZT @ IZT (mA) (Ω) Leakage Current θVZ IR @ VR (Note 5.) ZZK @ IZK (mA) (Volts) (%/ºC) Min Nom 1N5221B 2.28 2.4 2.52 20 30 1200 0.25 100 1 -0.085 1N5222B 2.375 2.5 2.625 20 30 1250 0.25 100 1 -0.085 1N5223B 1N5223B 2.565 2.7 2.835 20 30 1300 0.25 75 1 -0.08 1N5224B 1N5224B 2.66 2.8 2.94 20 30 1400 0.25 75 1 -0.08 1N5225B 1N5225B 2.85 3 3.15 20 29 1600 0.25 50 1 -0.075 1N5226B 1N5226B 3.135 3.3 3.465 20 28 1600 0.25 25 1 -0.07 (Ω) (µA) 1N5227B 1N5227B 3.42 3.6 3.78 20 24 1700 0.25 15 1 -0.065 1N5228B 1N5228B 3.705 3.9 4.095 20 23 1900 0.25 10 1 -0.06 1N5229B 1N5229B 4.085 4.3 4.515 20 22 2000 0.25 5 1 ±0.055 1N5230B 1N5230B 4.465 4.7 4.935 20 19 1900 0.25 5 2 ±0.03 1N5231B 1N5231B 4.845 5.1 5.355 20 17 1600 0.25 5 2 ±0.03 1N5232B 1N5232B 5.32 5.6 5.88 20 11 1600 0.25 5 3 +0.038 1N5233B 1N5233B 5.7 6 6.3 20 7 1600 0.25 5 3.5 +0.038 1N5234B 1N5234B 5.89 6.2 6.51 20 7 1000 0.25 5 4 +0.045 1N5235B 1N5235B 6.46 6.8 7.14 20 5 750 0.25 3 5 +0.05 2. TOLERANCE AND TYPE NUMBER DESIGNATION (VZ) The type numbers listed have a standard tolerance on the nominal zener voltage of ±5%. 3. ZENER VOLTAGE (VZ) MEASUREMENT Nominal zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C ±1°C and 3/8” lead length. 4. ZENER IMPEDANCE (ZZ) DERIVATION ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits are for IZ(AC) = 0.1 IZ(DC) with AC frequency = 60Hz. 5. TEMPERATURE COEFFICIENT (θVZ) Test conditions for temperature coefficient are as follows: A. IZT = 7.5mA, T1 = 25°C, T2 = 125°C (1N5221B through 1N5242B) B. IZT = Rated IZT, T1 = 25°C, T2 = 125°C (1N5243B through 1N5281B) Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature. http://www.yeashin.com 2 REV.03 20121003 1N5221B~1N5281B ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted, VF = 1.1 V Max @ IF = 200mA for all types) Zener Impedance (Note 8.) Zener Voltage (Note 7.) θVZ IR @ VR (Note 9.) @ IZT ZZT @ IZT Max (mA) (Ω) (Ω) (mA) (µA) (Volts) (%/ºC) 7.5 7.875 20 6 500 0.25 3 6 +0.058 7.79 8.2 8.61 20 8 500 0.25 3 6.5 +0.062 1N5238B 8.265 8.7 9.135 20 8 600 0.25 3 6.5 +0.065 1N5239B 8.645 9.1 9.555 20 10 600 0.25 3 7 +0.068 1N5240B 1N5240B 9.5 10 10.5 20 17 600 0.25 3 8 +0.075 1N5241B 1N5241B 10.45 11 11.55 20 22 600 0.25 2 8.4 +0.076 1N5242B 1N5242B 11.4 12 12.6 20 30 600 0.25 1 9.1 +0.077 1N5243B 1N5243B 12.35 13 13.65 9.5 13 600 0.25 0.5 9.9 +0.079 Device VZ (Volts) Leakage Current (Note 6.) Device Marking Min Nom 1N5236B 1N5236B 7.125 1N5237B 1N5237B 1N5238B 1N5239B ZZK @ IZK 1N5244B 1N5244B 13.3 14 14.7 9 15 600 0.25 0.1 10 +0.082 1N5245B 1N5245B 14.25 15 15.75 8.5 16 600 0.25 0.1 11 +0.082 1N5246B 1N5246B 15.2 16 16.8 7.8 17 600 0.25 0.1 12 +0.083 1N5247B 1N5247B 16.15 17 17.85 7.4 19 600 0.25 0.1 13 +0.084 1N5248B 1N5248B 17.1 18 18.9 7 21 600 0.25 0.1 14 +0.085 1N5249B 1N5249B 18.05 19 19.95 6.6 23 600 0.25 0.1 14 +0.086 1N5250B 1N5250B 19 20 21 6.2 25 600 0.25 0.1 15 +0.086 1N5251B 1N5251B 20.9 22 23.1 5.6 29 600 0.25 0.1 17 +0.087 1N5252B 1N5252B 22.8 24 25.2 5.2 33 600 0.25 0.1 18 +0.088 1N5253B 1N5253B 23.75 25 26.25 5 35 600 0.25 0.1 19 +0.089 1N5254B 1N5254B 25.65 27 28.35 4.6 41 600 0.25 0.1 21 +0.09 1N5255B 1N5255B 26.6 28 29.4 4.5 44 600 0.25 0.1 21 +0.091 1N5256B 1N5256B 28.5 30 31.5 4.2 49 600 0.25 0.1 23 +0.091 1N5257B 1N5257B 31.35 33 34.65 3.8 58 700 0.25 0.1 25 +0.092 1N5258B 1N5258B 34.2 36 37.8 3.4 70 700 0.25 0.1 27 +0.093 1N5259B 1N5259B 37.05 39 40.95 3.2 80 800 0.25 0.1 30 +0.094 1N5260B 1N5260B 40.85 43 45.15 3 93 900 0.25 0.1 33 +0.095 1N5261B 1N5261B 44.65 47 49.35 2.7 105 1000 0.25 0.1 36 +0.095 1N5262B 1N5262B 48.45 51 53.55 2.5 125 1100 0.25 0.1 39 +0.096 1N5263B 1N5263B 53.2 56 58.8 2.2 150 1300 0.25 0.1 43 +0.096 1N5264B 1N5264B 57 60 63 2.1 170 1400 0.25 0.1 46 +0.097 1N5265B 1N5265B 58.9 62 65.1 2 185 1400 0.25 0.1 47 +0.097 6. TOLERANCE AND TYPE NUMBER DESIGNATION (VZ) The type numbers listed have a standard tolerance on the nominal zener voltage of ±5%. 7. ZENER VOLTAGE (VZ) MEASUREMENT Nominal zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C ±1°C and 3/8” lead length. 8. ZENER IMPEDANCE (ZZ) DERIVATION ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits are for IZ(AC) = 0.1 IZ(DC) with AC frequency = 60Hz. 9. TEMPERATURE COEFFICIENT (θVZ) Test conditions for temperature coefficient are as follows: A. IZT = 7.5mA, T1 = 25°C, T2 = 125°C (1N5221B through 1N5242B) B. IZT = Rated IZT, T1 = 25°C, T2 = 125°C (1N5243B through 1N5281B) Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature. http://www.yeashin.com 3 REV.03 20121003 1N5221B~1N5281B ELECTRICAL CHARACTERISTICS (TA = 25ºC unless otherwise noted, VF = 1.1 V Max @ IF = 200mA for all types) Zener Impedance (Note 12.) Zener Voltage (Note 11.) Device (Note 10.) Device Marking 1N5266B 1N5267B VZ (Volts) Max @ IZT ZZT @ IZT (mA) (Ω) ZZK @ IZK Leakage Current θVZ IR @ VR (Note 13.) Min Nom 1N5266B 64.6 68 71.4 1.8 230 1600 0.25 0.1 52 +0.097 1N5267B 71.25 75 78.75 1.7 270 1700 0.25 0.1 56 +0.098 1N5268B 1N5268B 77.9 82 86.1 1.5 330 2000 0.25 0.1 62 +0.098 1N5269B 1N5269B 82.65 87 91.35 1.4 370 2200 0.25 0.1 68 +0.099 1N5270B 1N5270B 86.45 91 95.55 1.4 400 2300 0.25 0.1 69 +0.099 1N5271B 1N5271B 95 100 105 1.3 500 2600 0.25 0.1 76 +0.11 1N5272B 1N5272B 104.5 110 115.5 1.1 750 3000 0.25 0.1 84 +0.11 1N5273B 1N5273B 114 120 126 1 900 4000 0.25 0.1 91 +0.11 1N5274B 1N5274B 123.5 130 136.5 0.95 1100 4500 0.25 0.1 99 +0.11 1N5275B 1N5275B 133 140 147 0.9 1300 4500 0.25 0.1 106 +0.11 1N5276B 1N5276B 142.5 150 157.5 0.85 1500 5000 0.25 0.1 114 +0.11 1N5277B 1N5277B 152 160 168 0.8 1700 5500 0.25 0.1 122 +0.11 1N5278B 1N5278B 161.5 170 178.5 0.74 1900 5500 0.25 0.1 129 +0.11 1N5279B 1N5279B 171 180 189 0.68 2200 6000 0.25 0.1 137 +0.11 1N5280B 1N5280B 180.5 190 199.5 0.66 2400 6500 0.25 0.1 144 +0.11 1N5281B 1N5281B 190 200 210 0.65 2500 7000 0.25 0.1 152 +0.11 (Ω) (mA) (µA) (Volts) (%/ºC) 10. TOLERANCE AND TYPE NUMBER DESIGNATION (VZ) The type numbers listed have a standard tolerance on the nominal zener voltage of ±5%. 11. ZENER VOLTAGE (VZ) MEASUREMENT Nominal zener voltage is measured with the device junction in the thermal equilibrium at the lead temperature (TL) at 30°C ±1°C and 3/8” lead length. 12. ZENER IMPEDANCE (ZZ) DERIVATION ZZT and ZZK are measured by dividing the AC voltage drop across the device by the AC current applied. The specified limits are for IZ(AC) = 0.1 IZ(DC) with AC frequency = 60Hz. 13. TEMPERATURE COEFFICIENT (θVZ) Test conditions for temperature coefficient are as follows: A. IZT = 7.5mA, T1 = 25°C, T2 = 125°C (1N5221B through 1N5242B) B. IZT = Rated IZT, T1 = 25°C, T2 = 125°C (1N5243B through 1N5281B) Device to be temperature stabilized with current applied prior to reading breakdown voltage at the specified ambient temperature. http://www.yeashin.com 4 REV.03 20121003 DEVICE CHARACTERISTICS 1N5221B~1N5281B HEAT SINKS 0.6 P D , MAXIMUM STEADY STATE POWER DISSIPATION (WATTS) θJL, JUNCTION TO LEAD THERMAL RESISTANCE ( ° C/W) 0.7 0.5 0.4 3/8" 3/8" 0.3 0.2 0.1 0 0 20 40 60 80 100 120 140 160 180 200 T L , LEAD TEMPERATURE (°C) 500 400 L L 300 2.4-60 V 200 62-200 V 100 0 0 0.2 0.4 0.6 0.8 L , LEAD LENGTH TO HEAT SINK (INCH) Figure 2. Typical Thermal Resistance Figure 1. Steady State Power Derating 1000 7000 5000 TYPICAL LEAKAGE CURRENT AT 80% OF NOMINAL BREAKDOWN VOLTAGE 2000 1000 700 500 200 I R , LEAKAGE CURRENT ( µ A) 100 70 50 20 10 7 5 2 1 0.7 0.5 +125°C 0.2 0.1 0.07 0.05 0.02 0.01 0.007 0.005 +25°C 0.002 0.001 3 4 5 6 7 8 9 10 11 12 13 14 15 VZ , NOMINAL ZENER VOLTAGE (VOLTS) Figure 3. Typical Leakage Current http://www.yeashin.com 5 REV.03 20121003 1 DEVICE CHARACTERISTICS 1N5221B~1N5281B TEMPERATURE COEFFICIENTS TEMPERATURE COEFFICIENT (mV/ °C) +12 +10 +8 +6 +4 +2 RANGE VZ @ IZT (NOTE 2) 0 -2 θ VZ , θ VZ , TEMPERA TURE COEFFICIENT (mV/ °C) (-55 °C to +150 °C temperature range; 90% of the units are in the ranges indicated.) -4 2 4 3 5 6 7 8 10 9 11 100 70 50 30 20 5 3 2 1 10 12 20 TEMPERATURE COEFFICIENT (mV/°C) 160 140 VZ @ IZT (NOTE 2) θ VZ , TEMPERA TURE COEFFICIENT (mV/°C) θ VZ , 180 100 140 150 160 170 70 100 180 190 +6 VZ @ IZ TA= 25 °C +4 +2 20mA 0 0.01mA 1mA -2 NOTE: BELOW 3 VOLTS AND ABOVE 8 VOL TS NOTE: CHANGES IN ZENER CURRENT DO NOT NOTE: AFFECT TEMPERATURE COEFFICIENTS -4 3 200 6 5 4 8 7 V Z , ZENER VOLTAGE (VOLTS) V Z , ZENER VOLTAGE (VOLTS) Figure 4c. Range for Units 120 to 200 Volts Figure 5. Effect of Zener Current 1000 100 TA = 25 ° C 70 500 T= 25 °C 50 0V BIAS 0 BIAS C, CAP ACIT ANCE (pF) 200 C, CAP ACIT ANCE (pF) 50 Figure 4b. Range for Units 12 to 100 Volts 200 130 30 V Z , ZENER VOLTAGE (VOLTS) Figure 4a. Range for Units to 12 Volts 120 (NOTE 2) 7 V Z , ZENER VOLTAGE (VOLTS) 120 VZ @ IZ RANGE 10 100 1V BIAS 50 20 10 50% OF V Z BIAS 5 30 20 1 VOLT BIAS 10 7 50% OF V BIAS 5 3 2 2 1 1 1 2 5 10 20 50 100 Figure 6a. Typical Capacitance 2.4-100 Volts http://www.yeashin.com 120 140 160 180 190 200 220 V Z, ZENER VOLTAGE (VOLTS) V Z, ZENER VOLTAGE (VOLTS) Figure 6b. Typical Capacitance 120-200 Volts 6 REV.03 20121003 DEVICE CHARACTERISTICS 1N5221B~1N5281B Ppk , PEAK SURGE POWER (WATTS) 100 70 50 RECT ANGULAR WAVEFORM T J = 25°C PRIOR TO INITIAL PULSE 11V-91V NONREPETITIVE 30 5% DUTY CYCLE 1.8V-10V NONREPETITIVE 20 10 10% DUTY CYCLE 7 5 20% DUTY CYCLE 3 2 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 PW, PULSE WIDTH (ms) Figure 7a. Maximum Surge Power 1.8-91 Volts 1000 500 300 200 100 70 50 100-200 VOLTS NONREPETITIVE 30 20 10 7 5 3 2 1 0.01 T J = 25°C iZ (rms) = 0.1 Iz(dc) VZ = 2.7V f = 60 Hz 200 47V 100 27V 50 20 6.2V 10 5 2 1 0.1 1 10 100 0.1 1000 0.2 0.5 1 2 5 10 20 PW, PULSE WIDTH (ms) IZ , ZENER CURRENT (mA) Figure 7b. Maximum Surge Power DO-35 100-200Volts Figure 8. Effect of Zener Current on Zener Impedance 1000 700 500 Z Z , DYNAMIC IMPEDANCE (OHMS) Z Z , DYNAMIC IMPEDANCE (OHMS) RECT ANGULAR WAVEFORM, TJ = 25 °C TJ = 25°C 200 100 70 50 5mA 20 20mA 100 MAXIMUM 500 f = 60Hz IZ = 1mA 50 1000 iZ (rms) = 0.1 IZ (dc) I F , FOR WARD CURRENT (mA) Ppk , PEAK SURGE POWER (WATTS) 1000 700 500 10 7 5 2 MINIMUM 200 100 50 75 °C 20 10 25 °C 5 150 °C 0 °C 2 1 1 1 2 3 5 7 10 20 30 50 70 100 V Z , ZENER VOLTAGE (VOLTS) 0.5 0.6 0.7 0.8 0.9 1 V F , FORWARD VOLTAGE (VOLTS) Figure 9. Effect of Zener Voltage on Zener Impedance http://www.yeashin.com 0.4 7 Figure 10. Typical Forward Characteristics REV.03 20121003 1.1 DEVICE CHARACTERISTICS 1N5221B~1N5281B 20 10 I Z , ZENER CURRENT (mA) TA = 25°C 1 0.1 0.01 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 29 30 V Z , ZENER VOLTAGE (VOLTS) Figure 1 1. Zener Voltage versus Zener Current - VZ = 1 thru 16 Volts 10 I Z , ZENER CURRENT (mA) TA = 25°C 1 0.1 0.01 15 16 17 18 19 20 21 22 23 24 25 26 27 28 V Z , ZENER VOLTAGE (VOLTS) Figure 12. Zener Voltage versus Zener Current - VZ = 15 thru 30 Volts http://www.yeashin.com 8 REV.03 20121003 DEVICE CHARACTERISTICS 1N5221B~1N5281B I Z , ZENER CURRENT (mA) 10 TA = 25° 1 0.1 0.01 30 35 40 45 50 55 60 65 70 75 80 85 95 100 105 240 250 260 90 V Z , ZENER VOLTAGE (VOLTS) Figure 13. Zener Voltage versus Zener Current - VZ = 30 thru 105 Volts I Z , ZENER CURRENT (mA) 10 1 0.1 0.01 110 120 130 140 150 160 170 180 190 200 210 220 230 V Z , ZENER VOLTAGE (VOLTS) Figure 14. Zener Voltage versus Zener Current - VZ = 110 thru 220 Volts http://www.yeashin.com 9 REV.03 20121003 PACKAGE OUTLINE & DIMENSIONS 1N5221B~1N5281B Package Outline Package Case Outline DO-35 DO-35 DIM Millimeters Inches Min Max Min Max A 0.46 0.55 0.018 0.022 B 3.05 5.08 0.120 0.200 C 25.40 38.10 1.000 1.500 D 1.53 2.28 0.060 0.090 Notes: 1. 2. All dimensions are within JEDEC standard. DO35 polarity denoted by cathode band. http://www.yeashin.com 10 REV.03 20121003