silicon zener diode Central 1N5223B BK TIN LEAD with 500mW power dissipation and 5 percent tolerance
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Product Description
Product Overview
The CENTRAL SEMICONDUCTOR 1N5221B series silicon Zener diodes are highly reliable voltage regulators designed for use in industrial, commercial, entertainment, and computer applications. These diodes offer a power dissipation of 500mW and are available in a range of Zener voltages from 2.4V to 170V with a standard 5% tolerance. They are housed in a DO-35 package.
Product Attributes
- Brand: CENTRAL SEMICONDUCTOR
- Material: Silicon
- Package: DO-35
- Voltage Tolerance: 5% (for 'B' suffix), 2% (for 'C' suffix), 1% (for 'D' suffix)
Technical Specifications
| Part Number | Zener Voltage (Vz) @ Izt (V) | Test Current (Izt) (mA) | Max Zener Impedance (Zzt @ Izt) () | Max Reverse Current (Ir @ Vr) (A) | Max Temperature Coefficient (vz) (V/%C) | Marking Code |
|---|---|---|---|---|---|---|
| 1N5221B | 2.4 (Nominal) | 20 | 30 | 0.25 | -0.085 | C5221B |
| 1N5222B | 2.5 (Nominal) | 20 | 30 | 0.25 | -0.085 | C5222B |
| 1N5223B | 2.7 (Nominal) | 20 | 30 | 0.25 | -0.080 | C5223B |
| 1N5224B | 2.8 (Nominal) | 20 | 30 | 0.25 | -0.080 | C5224B |
| 1N5225B | 3.0 (Nominal) | 20 | 29 | 0.25 | -0.075 | C5225B |
| 1N5226B | 3.3 (Nominal) | 20 | 28 | 0.25 | -0.070 | C5226B |
| 1N5227B | 3.6 (Nominal) | 20 | 24 | 0.25 | -0.065 | C5227B |
| 1N5228B | 3.9 (Nominal) | 20 | 23 | 0.25 | -0.060 | C5228B |
| 1N5229B | 4.3 (Nominal) | 20 | 22 | 0.25 | 0.055 | C5229B |
| 1N5230B | 4.7 (Nominal) | 20 | 19 | 0.25 | 0.030 | C5230B |
| 1N5231B | 5.1 (Nominal) | 20 | 17 | 0.25 | 0.030 | C5231B |
| 1N5232B | 5.6 (Nominal) | 20 | 11 | 0.25 | +0.038 | C5232B |
| 1N5233B | 6.0 (Nominal) | 20 | 7.0 | 0.25 | +0.038 | C5233B |
| 1N5234B | 6.2 (Nominal) | 20 | 7.0 | 0.25 | +0.045 | C5234B |
| 1N5235B | 6.8 (Nominal) | 20 | 5.0 | 0.25 | +0.050 | C5235B |
| 1N5236B | 7.5 (Nominal) | 20 | 6.0 | 0.25 | +0.058 | C5236B |
| 1N5237B | 8.2 (Nominal) | 20 | 8.0 | 0.25 | +0.062 | C5237B |
| 1N5238B | 8.7 (Nominal) | 20 | 8.0 | 0.25 | +0.065 | C5238B |
| 1N5239B | 9.1 (Nominal) | 20 | 10 | 0.25 | +0.068 | C5239B |
| 1N5240B | 10 (Nominal) | 20 | 17 | 0.25 | +0.075 | C5240B |
| 1N5241B | 11 (Nominal) | 20 | 22 | 0.25 | +0.076 | C5241B |
| 1N5242B | 12 (Nominal) | 20 | 30 | 0.25 | +0.077 | C5242B |
| 1N5243B | 13 (Nominal) | 9.5 | 13 | 0.25 | +0.079 | C5243B |
| 1N5244B | 14 (Nominal) | 9.0 | 15 | 0.25 | +0.082 | C5244B |
| 1N5245B | 15 (Nominal) | 8.5 | 16 | 0.25 | +0.082 | C5245B |
| 1N5246B | 16 (Nominal) | 7.8 | 17 | 0.25 | +0.083 | C5246B |
| 1N5247B | 17 (Nominal) | 7.4 | 19 | 0.25 | +0.084 | C5247B |
| 1N5248B | 18 (Nominal) | 7.0 | 21 | 0.25 | +0.085 | C5248B |
| 1N5249B | 19 (Nominal) | 6.6 | 23 | 0.25 | +0.086 | C5249B |
| 1N5250B | 20 (Nominal) | 6.2 | 25 | 0.25 | +0.086 | C5250B |
| 1N5251B | 22 (Nominal) | 5.6 | 29 | 0.25 | +0.087 | C5251B |
| 1N5252B | 24 (Nominal) | 5.2 | 33 | 0.25 | +0.088 | C5252B |
| 1N5253B | 25 (Nominal) | 5.0 | 35 | 0.25 | +0.089 | C5253B |
| 1N5254B | 27 (Nominal) | 4.6 | 41 | 0.25 | +0.090 | C5254B |
| 1N5255B | 28 (Nominal) | 4.5 | 44 | 0.25 | +0.091 | C5255B |
| 1N5256B | 30 (Nominal) | 4.2 | 49 | 0.25 | +0.091 | C5256B |
| 1N5257B | 33 (Nominal) | 3.8 | 58 | 0.25 | +0.092 | C5257B |
| 1N5258B | 36 (Nominal) | 3.4 | 70 | 0.25 | +0.093 | C5258B |
| 1N5259B | 39 (Nominal) | 3.2 | 80 | 0.25 | +0.094 | C5259B |
| 1N5260B | 43 (Nominal) | 3.0 | 93 | 0.25 | +0.095 | C5260B |
| 1N5261B | 47 (Nominal) | 2.7 | 105 | 0.25 | +0.095 | C5261B |
| 1N5262B | 51 (Nominal) | 2.5 | 125 | 0.25 | +0.096 | C5262B |
| 1N5263B | 56 (Nominal) | 2.2 | 150 | 0.25 | +0.096 | C5263B |
| 1N5264B | 60 (Nominal) | 2.1 | 170 | 0.25 | +0.097 | C5264B |
| 1N5265B | 62 (Nominal) | 2.0 | 185 | 0.25 | +0.097 | C5265B |
| 1N5266B | 68 (Nominal) | 1.8 | 230 | 0.25 | +0.097 | C5266B |
| 1N5267B | 75 (Nominal) | 1.7 | 270 | 0.25 | +0.098 | C5267B |
| 1N5268B | 82 (Nominal) | 1.5 | 330 | 0.25 | +0.098 | C5268B |
| 1N5269B | 87 (Nominal) | 1.4 | 370 | 0.25 | +0.099 | C5269B |
| 1N5270B | 91 (Nominal) | 1.4 | 400 | 0.25 | +0.099 | C5270B |
| 1N5271B | 100 (Nominal) | 1.3 | 500 | 0.25 | +0.110 | C5271B |
| 1N5272B | 110 (Nominal) | 1.1 | 750 | 0.25 | +0.110 | C5272B |
| 1N5273B | 120 (Nominal) | 1.0 | 900 | 0.25 | +0.110 | C5273B |
| 1N5274B | 130 (Nominal) | 0.95 | 1100 | 0.25 | +0.110 | C5274B |
| 1N5275B | 140 (Nominal) | 0.90 | 1300 | 0.25 | +0.110 | C5275B |
| 1N5276B | 150 (Nominal) | 0.85 | 1500 | 0.25 | +0.110 | C5276B |
| 1N5277B | 160 (Nominal) | 0.80 | 1700 | 0.25 | +0.110 | C5277B |
| 1N5278B | 170 (Nominal) | 0.74 | 1900 | 0.25 | +0.110 | C5278B |
Maximum Ratings:
- Power Dissipation (PD): 500 mW (at TL=75C)
- Operating and Storage Junction Temperature (TJ, Tstg): -65 to +200 C
Electrical Characteristics (TA=25C):
- Forward Voltage (VF): 1.2V MAX @ IF=200mA (for all types)
Marking: Devices are marked with the prefix C followed by the full part number or by the marking code in the Electrical Characteristics Table.
Note: Some high voltage 500mW Zener diodes in the DO-35 package (e.g., 1N5263B through 1N5278B and higher) have been classified as End of Life (EOL). Please refer to the manufacturer's latest product change notifications for details.
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