Comchip Axial Leaded Glass Zener Diode SMD Diode Specialist 1N5221B-G Thru. 1N5267B-G Voltage: 2.4 to 75 Volts Power: 0.5 Watts RoHS Device DO-35 Features -500mW power dissipation -Stabilizing voltage. 1.02(26.00) Min. 0.165(4.20)Max. Mechanical data 0.079(2.00)Max. -Case: Glass, DO-35 1.02(26.00) Min. -Polarity: Indicated by cathode band 0.022(0.55)Max. Dimensions in inches and (millimeter) Maximum Ratings (TA=25°C, unless otherwise noted) Symbol Value Unit Ptot 500 mW Zener current IZ Ptot/VZ mA Junction temperature TJ 175 °C TSTG -65 to +175 °C Symbol Max Unit RθJA 300 °C/W VF 1.1 V Parameter Power dissipation Conditions TL=25°C Storage temperature range Electrical Characteristics (TA=25°C, unless otherwise noted) Parameter Thermal resistance (Note 1) Forward voltage Conditions junction to ambient air L=4mm, TL=25°C IF=200mA Note: Based on dc-measurement at thermal equilibrium; lead length = 9.5 (3/8”); thermal resistance of heat sink =30°C/W Company reserves the right to improve product design , functions and reliability without notice. REV: C Page 1 QW-BZ001 Comchip Technology CO., LTD. Comchip Axial Leaded Glass Zener Diode SMD Diode Specialist Electrical Characteristics (1N5221B-G Thru. 1N5267B-G) Nominal (1) Zener Voltage Maximum dynamic Impedance resistance Maxumum Reverse Leakage Current Temperature of Coefficient IR @ VR @ IzT Marking Code Part No. Vz @ IZT ZzT @ IzT Zzk @ Izk V Ω mA Ω mA μA V α(%/K) 1N5221B-G 2.4 30 20 1200 0.25 100 1 -0.085 1N5221B 1N5222B-G 2.5 30 20 1250 0.25 100 1 -0.085 1N5222B 1N5223B-G 2.7 30 20 1300 0.25 75 1 -0.080 1N5223B 1N5224B-G 2.8 30 20 1400 0.25 75 1 -0.080 1N5224B 1N5225B-G 3.0 29 20 1600 0.25 50 1 -0.075 1N5225B 1N5226B-G 3.3 28 20 1600 0.25 25 1 -0.070 1N5226B 1N5227B-G 3.6 24 20 1700 0.25 15 1 -0.065 1N5227B 1N5228B-G 3.9 23 20 1900 0.25 10 1 -0.060 1N5228B 1N5229B-G 4.3 22 20 2000 0.25 5 1 +0.055 1N5229B 1N5230B-G 4.7 19 20 1900 0.25 5 2 +0.030 1N5230B 1N5231B-G 5.1 17 20 1600 0.25 5 2 +0.030 1N5231B 1N5232B-G 5.6 11 20 1600 0.25 5 3 +0.038 1N5232B 1N5233B-G 6.0 7 20 1600 0.25 5 3.5 +0.038 1N5233B 1N5234B-G 6.2 7 20 1000 0.25 5 4 +0.045 1N5234B 1N5235B-G 6.8 5 20 750 0.25 3 5 +0.050 1N5235B 1N5236B-G 7.5 6 20 500 0.25 3 6 +0.058 1N5236B 1N5237B-G 8.2 8 20 500 0.25 3 6.5 +0.062 1N5237B 1N5238B-G 8.7 8 20 600 0.25 3 6.5 +0.065 1N5238B 1N5239B-G 9.1 10 20 600 0.25 3 7 +0.068 1N5239B 1N5240B-G 10 17 20 600 0.25 3 8 +0.075 1N5240B 1N5241B-G 11 22 20 600 0.25 2 8.4 +0.076 1N5241B 1N5242B-G 12 30 20 600 0.25 1 9.1 +0.077 1N5242B 1N5243B-G 13 13 9.5 600 0.25 0.5 9.9 +0.079 1N5243B 1N5244B-G 14 15 9 600 0.25 0.1 10 +0.082 1N5244B 1N5245B-G 15 16 8.5 600 0.25 0.1 11 +0.082 1N5245B 1N5246B-G 16 17 7.8 600 0.25 0.1 12 +0.083 1N5246B 1N5247B-G 17 19 7.4 600 0.25 0.1 13 +0.084 1N5247B 1N5248B-G 18 21 7 600 0.25 0.1 14 +0.085 1N5248B 1N5249B-G 19 23 6.6 600 0.25 0.1 14 +0.086 1N5249B 1N5250B-G 20 25 6.2 600 0.25 0.1 15 +0.086 1N5250B 1N5251B-G 22 29 5.6 600 0.25 0.1 17 +0.087 1N5251B 1N5252B-G 24 33 5.2 600 0.25 0.1 18 +0.088 1N5252B 1N5253B-G 25 35 5 600 0.25 0.1 19 +0.089 1N5253B 1N5254B-G 27 41 4.6 600 0.25 0.1 21 +0.090 1N5254B 1N5255B-G 28 44 4.5 600 0.25 0.1 21 +0.091 1N5255B 1N5256B-G 30 49 4.2 600 0.25 0.1 23 +0.091 1N5256B 1N5257B-G 33 58 3.8 700 0.25 0.1 25 +0.092 1N5257B 1N5258B-G 36 70 3.4 700 0.25 0.1 27 +0.093 1N5258B 1N5259B-G 39 80 3.2 800 0.25 0.1 30 +0.094 1N5259B 1N5260B-G 43 93 3 900 0.25 0.1 33 +0.095 1N5260B 1N5261B-G 47 105 2.7 1000 0.25 0.1 36 +0.095 1N5261B 1N5262B-G 51 125 2.5 1100 0.25 0.1 39 +0.096 1N5262B 1N5263B-G 56 150 2.2 1300 0.25 0.1 43 +0.096 1N5263B 1N5264B-G 60 170 2.1 1400 0.25 0.1 46 +0.097 1N5264B 1N5265B-G 62 185 2 1400 0.25 0.1 47 +0.097 1N5265B 1N5266B-G 68 230 1.8 1600 0.25 0.1 52 +0.097 1N5266B 1N5267B-G 75 270 1.7 1700 0.25 0.1 56 +0.098 1N5267B Note:(1) Based on DC measurement at thermal equilibrium; lead length=9.5(3/8"); thermal resistance of heat sink=30°C/W Company reserves the right to improve product design , functions and reliability without notice. REV: C Page 2 QW-BZ001 Comchip Technology CO., LTD. Comchip Axial Leaded Glass Zener Diode SMD Diode Specialist RATING AND CHARACTERISTIC CURVES (1N5221B-G Thru. 1N5267B-G) Fig.2 - Thermal Resistance vs. Lead Length Fig.1 - Power Derating Curve 600 Thermal Resistance, RthA (K/W) Power Dissipation, Ptot (mW) 600 500 400 300 200 100 0 L 500 L TL=constant 400 300 200 100 0 0 25 50 75 100 125 150 175 200 5 0 10 15 Ambient Temperature, TA (°C) Lead Length, L (mm) Fig.3 - Forward Current vs. Forward Voltage Fig.4 - Differential Z-Resistance vs. Z-Voltage 100 20 1000 Forward Current, IF (mA) IZ=1mA 10 Z-Resistance, RZ (Ω) TJ=25°C 1 0.1 100 5mA 10 10mA 0.01 TJ=25°C 0.001 1 0 0.2 0.4 0.6 0.8 0 1.0 5 10 15 Forward Voltage, VZ (V) Z-Voltage, VZ (V) Fig.5 - Z-Current vs. Z-Voltage Fig.6 - Z-Current vs. Z-Voltage 100 25 50 Ptot=500mW Tamb=25°C Ptot=500mW Tamb=25°C 40 Z-Current, IZ (mA) 80 Z-Current, IZ (mA) 20 60 40 20 30 20 10 0 0 4 8 12 16 20 0 15 Z-Voltage, VZ (V) 20 25 30 35 Z-Voltage, VZ (V) Company reserves the right to improve product design , functions and reliability without notice. REV: C Page 3 QW-BZ001 Comchip Technology CO., LTD. Comchip Axial Leaded Glass Zener Diode SMD Diode Specialist Taping Specification For Axial Lead Diodes E 90℃±5℃ Z A L1 B L2 T E SYMBOL (mm) DO-35 A B Z T E L1-L2 5.00 ± 0.5 52.0 ± 1.5 1.2 (max) 6.0 ± 0.4 0.8 (max) 1.0 (max) 0.197± 0.020 2.047 ± 0.059 0.047 (max) 0.236 ± 0.016 0.032(max) (inch) 0.039 (max) Marking Code Part Number Marking Code 1N5221-G ~ 1N5267-G 1N52XXB Cathode band 1N 52 XXB XX : Product type marking code (see page.4) Standard Packaging AMMO PACK Case Type DO-35 BOX CARTON ( pcs ) ( pcs ) 5,000 100,000 Company reserves the right to improve product design , functions and reliability without notice. REV: C Page 4 QW-BZ001 Comchip Technology CO., LTD.