| Device | Device Marking | Zener Voltage Dynamic Resistance | Dynamic Resistance | Leakage Current | ||||||
| VZ(Volts) | @IZT | ZZT@LZT | ZZK@LZK | IR@VR | ||||||
| Min | Nom | Max | mA | (Ω) | (Ω) | (mA) | uA | Volts | ||
| MBZ5221B | 18A | 2.28 | 2.4 | 2.52 | 20 | 30 | 1200 | 0.25 | 100 | 1 |
| MBZ5222B | 18B | 2.37 | 2.5 | 2.63 | 20 | 30 | 1250 | 0.25 | 100 | 1 |
| MBZ5223B | 18C | 2.56 | 2.7 | 2.84 | 20 | 30 | 1300 | 0.25 | 75 | 1 |
| MBZ5224B | 18D | 2.66 | 2.8 | 2.94 | 20 | 30 | 1400 | 0.25 | 75 | 1 |
| MBZ5225B | 18E | 2.85 | 3 | 3.15 | 20 | 29 | 1600 | 0.25 | 50 | 1 |
| MBZ5226B | 8A | 3.13 | 3.3 | 3.47 | 20 | 28 | 1600 | 0.25 | 25 | 1 |
| MBZ5227B | 8B | 3.42 | 3.6 | 3.78 | 20 | 24 | 1700 | 0.25 | 15 | 1 |
| MBZ5228B | 8C | 3.70 | 3.9 | 4.10 | 20 | 23 | 1900 | 0.25 | 10 | 1 |
| MBZ5229B | 8D | 4.08 | 4.3 | 4.52 | 20 | 22 | 2000 | 0.25 | 5 | 1 |
| MBZ5230B | 8E | 4.46 | 4.7 | 4.94 | 20 | 19 | 1900 | 0.25 | 5 | 2 |
| MBZ5231B | 8F | 4.84 | 5.1 | 5.36 | 20 | 17 | 1400 | 0.25 | 5 | 2 |
| MBZ5232B | 8G | 5.32 | 5.6 | 5.88 | 20 | 11 | 1600 | 0.25 | 5 | 3 |
| MBZ5233B | 8H | 5.70 | 6 | 6.30 | 20 | 7 | 1600 | 0.25 | 5 | 3.5 |
| MBZ5234B | 8J | 5.89 | 6.2 | 6.51 | 20 | 7 | 1000 | 0.25 | 5 | 4 |
| MBZ5235B | 8K | 6.46 | 6.8 | 7.14 | 20 | 5 | 750 | 0.25 | 3 | 5 |
| MBZ5236B | 8L | 7.12 | 7.5 | 7.88 | 20 | 6 | 500 | 0.25 | 3 | 6 |
| MBZ5237B | 8M | 7.79 | 8.2 | 8.61 | 20 | 8 | 500 | 0.25 | 3 | 6.5 |
| MBZ5238B | 8N | 8.26 | 8.7 | 9.14 | 20 | 8 | 600 | 0.25 | 3 | 6.5 |
| MBZ5239B | 8P | 8.64 | 9.1 | 9.56 | 20 | 10 | 600 | 0.25 | 3 | 7 |
| MBZ5240B | 8Q | 9.50 | 10 | 10.50 | 20 | 17 | 600 | 0.25 | 3 | 8 |
| MBZ5241B | 8R | 10.4 | 11 | 11.55 | 20 | 22 | 600 | 0.25 | 2 | 8.4 |
| MBZ5242B | 8S | 11.4 | 12 | 12.60 | 20 | 30 | 600 | 0.25 | 1 | 9.1 |
| MBZ5243B | 8T | 12.35 | 13 | 13.65 | 9.5 | 13 | 600 | 0.25 | 0.5 | 9.9 |
| MBZ5244B | 8U | 13.3 | 14 | 14.70 | 9 | 15 | 600 | 0.25 | 0.1 | 10 |
| MBZ5245B | 8V | 14.25 | 15 | 15.75 | 8.5 | 16 | 600 | 0.25 | 0.1 | 11 |
| MBZ5246B | 8W | 15.2 | 16 | 16.80 | 7.8 | 17 | 600 | 0.25 | 0.1 | 12 |
| MBZ5247B | 8X | 16.15 | 17 | 17.85 | 7.4 | 19 | 600 | 0.25 | 0.1 | 13 |
| MBZ5248B | 8Y | 17.1 | 18 | 18.90 | 7 | 21 | 600 | 0.25 | 0.1 | 14 |
| MBZ5249B | 8Z | 18.05 | 19 | 19.95 | 6.6 | 23 | 600 | 0.25 | 0.1 | 14 |
| MBZ5250B | 81A | 19 | 20 | 21.00 | 62 | 25 | 600 | 0.25 | 0.1 | 15 |
| MBZ5251B | 81B | 20.9 | 22 | 23.10 | 5.6 | 29 | 600 | 0.25 | 0.1 | 17 |
| MBZ5252B | 81C | 22.8 | 24 | 25.20 | 5.2 | 33 | 600 | 0.25 | 0.1 | 18 |
| MBZ5253B | 81D | 23.75 | 25 | 26.25 | 5 | 35 | 600 | 0.25 | 0.1 | 19 |
| MBZ5254B | 81E | 25.65 | 27 | 28.35 | 4.6 | 41 | 600 | 0.25 | 0.1 | 21 |
| MBZ5255B | 81F | 26.6 | 28 | 29.40 | 4.5 | 44 | 600 | 0.25 | 0.1 | 21 |
| MBZ5256B | 81G | 28.5 | 30 | 31.50 | 4.2 | 49 | 600 | 0.25 | 0.1 | 23 |
| MBZ5257B | 81H | 31.35 | 33 | 34.65 | 3.8 | 58 | 700 | 0.25 | 0.1 | 25 |
| MBZ5258B | 81J | 34.2 | 36 | 37.80 | 3.4 | 70 | 700 | 0.25 | 0.1 | 27 |
| MBZ5259B | 81K | 37.05 | 39 | 40.95 | 3.2 | 80 | 800 | 0.25 | 0.1 | 30 |
| MBZ5260B | 81L | 40.85 | 43 | 45.15 | 3 | 93 | 900 | 0.25 | 0.1 | 33 |
| MBZ5261B | 81M | 44.65 | 47 | 49.35 | 2.7 | 105 | 1000 | 0.25 | 0.1 | 36 |
| MBZ5262B | 81N | 48.45 | 51 | 53.55 | 2.5 | 125 | 1100 | 0.25 | 0.1 | 39 |
| MBZ5263B | 81P | 53.20 | 56 | 58.80 | 2.2 | 150 | 1300 | 0.25 | 0.1 | 43 |
| MBZ5264B | 81Q | 57.00 | 60 | 63.00 | 2.1 | 170 | 1400 | 0.25 | 0.1 | 46 |
| MBZ5265B | 81R | 58.90 | 62 | 65.10 | 2 | 185 | 1400 | 0.25 | 0.1 | 47 |
| MBZ5266B | 81S | 64.60 | 68 | 71.40 | 1.8 | 230 | 1600 | 0.25 | 0.1 | 52 |
| MBZ5267B | 81T | 71.25 | 75 | 78.75 | 1.7 | 270 | 1700 | 0.25 | 0.1 | 56 |
| MBZ5268B | 81U | 77.90 | 82 | 86.10 | 1.5 | 330 | 2000 | 0.25 | 0.1 | 62 |
| MBZ5269B | 81V | 82.65 | 87 | 91.35 | 1.4 | 370 | 2200 | 0.25 | 0.1 | 68 |
| MBZ5270B | 81W | 86.45 | 91 | 953.55 | 1.4 | 400 | 2300 | 0.25 | 0.1 | 69 |