Silicon Planar Power Zener Diode JSMSEMI ZMM5240B with 500mW Dissipation and JEDEC Mini MELF Case
ZMM52 Series Zener Diodes
The ZMM52 Series are silicon planar power zener diodes designed for general-purpose applications. They offer a wide range of zener voltages from 3.0V to 75V with a power dissipation of 500mW. Standard voltage tolerances are available as 5% (suffix "B") and 10% (suffix "A"), with other tolerances offered upon request.
Product Attributes
- Brand: JSMsemi
- Case: JEDEC MINI-MELF, glass
- Terminals: Solderable per MIL-STD-202, Method 208
- Polarity: Color band denotes cathode end
- Weight: Approx. 0.031 grams
- Mounting Position: Any
Technical Specifications
| Type | Nominal Zener Voltage (V) | Test Current (mA) | Max Zener Impedance () | Max Reverse Leakage Current (A) @ VR (V) | Max DC Zener Current (mA) | Temp. Coefficient (%/C) |
| ZMM5225B | 3.0 | 20 | 29 | 50 @ 1.0 | 151 | -0.075 |
| ZMM5226B | 3.3 | 20 | 28 | 25 @ 1.0 | 138 | -0.070 |
| ZMM5227B | 3.6 | 20 | 24 | 15 @ 1.0 | 126 | -0.065 |
| ZMM5228B | 3.9 | 20 | 23 | 10 @ 1.0 | 115 | -0.060 |
| ZMM5229B | 4.3 | 20 | 22 | 5.0 @ 1.0 | 106 | -0.055 |
| ZMM5230B | 4.7 | 20 | 19 | 5.0 @ 2.0 | 97 | 0.030 |
| ZMM5231B | 5.1 | 20 | 17 | 5.0 @ 2.0 | 89 | 0.030 |
| ZMM5232B | 5.6 | 20 | 11 | 5.0 @ 3.0 | 81 | +0.038 |
| ZMM5233B | 6.0 | 20 | 7 | 5.0 @ 3.5 | 76 | +0.038 |
| ZMM5234B | 6.2 | 20 | 7 | 5.0 @ 4.0 | 73 | +0.045 |
| ZMM5235B | 6.8 | 20 | 5 | 3.0 @ 5.0 | 67 | +0.050 |
| ZMM5236B | 7.5 | 20 | 6 | 3.0 @ 6.0 | 61 | +0.058 |
| ZMM5237B | 8.2 | 20 | 8 | 3.0 @ 6.5 | 55 | +0.062 |
| ZMM5238B | 8.7 | 20 | 8 | 3.0 @ 6.5 | 52 | +0.065 |
| ZMM5239B | 9.1 | 20 | 10 | 3.0 @ 7.0 | 50 | +0.068 |
| ZMM5240B | 10 | 20 | 17 | 3.0 @ 8.0 | 45 | +0.075 |
| ZMM5241B | 11 | 20 | 22 | 2.0 @ 8.4 | 41 | +0.076 |
| ZMM5242B | 12 | 20 | 30 | 1.0 @ 9.1 | 38 | +0.077 |
| ZMM5243B | 13 | 9.5 | 13 | 0.5 @ 9.9 | 35 | +0.079 |
| ZMM5244B | 14 | 9.0 | 15 | 0.1 @ 10 | 32 | +0.082 |
| ZMM5245B | 15 | 8.5 | 16 | 0.1 @ 11 | 30 | +0.082 |
| ZMM5246B | 16 | 7.8 | 17 | 0.1 @ 12 | 28 | +0.083 |
| ZMM5247B | 17 | 7.4 | 19 | 0.1 @ 13 | 27 | +0.084 |
| ZMM5248B | 18 | 7.0 | 21 | 0.1 @ 14 | 25 | +0.085 |
| ZMM5249B | 19 | 6.6 | 23 | 0.1 @ 14 | 24 | +0.086 |
| ZMM5250B | 20 | 6.2 | 25 | 0.1 @ 15 | 23 | +0.086 |
| ZMM5251B | 22 | 5.6 | 29 | 0.1 @ 17 | 21.2 | +0.087 |
| ZMM5252B | 24 | 5.2 | 33 | 0.1 @ 18 | 19.1 | +0.087 |
| ZMM5253B | 25 | 5.0 | 35 | 0.1 @ 19 | 18.2 | +0.089 |
| ZMM5254B | 27 | 4.6 | 41 | 0.1 @ 21 | 16.8 | +0.090 |
| ZMM5255B | 28 | 4.5 | 44 | 0.1 @ 21 | 16.2 | +0.091 |
| ZMM5256B | 30 | 4.2 | 49 | 0.1 @ 23 | 15.1 | +0.091 |
| ZMM5257B | 33 | 3.8 | 58 | 0.1 @ 25 | 13.8 | +0.092 |
| ZMM5258B | 36 | 3.4 | 70 | 0.1 @ 27 | 12.6 | +0.093 |
| ZMM5259B | 39 | 3.2 | 80 | 0.1 @ 30 | 11.5 | +0.094 |
| ZMM5260B | 43 | 3.0 | 93 | 0.1 @ 33 | 10.6 | +0.095 |
| ZMM5261B | 47 | 2.7 | 105 | 0.1 @ 36 | 9.7 | +0.095 |
| ZMM5262B | 51 | 2.5 | 125 | 0.1 @ 39 | 8.9 | +0.096 |
| ZMM5263B | 56 | 2.2 | 150 | 0.1 @ 43 | - | +0.096 |
| ZMM5264B | 60 | 2.1 | 170 | 0.1 @ 46 | - | +0.097 |
| ZMM5265B | 62 | 2.0 | 185 | 0.1 @ 47 | - | +0.097 |
| ZMM5266B | 68 | 1.8 | 230 | 0.1 @ 52 | - | +0.097 |
| ZMM5267B | 75 | 1.7 | 270 | 0.1 @ 56 | - | +0.098 |
Maximum Ratings and Thermal Characteristics
| Parameter | Symbol | Value | Unit |
| Power dissipation at Tamb=75C (Note 1) | Ptot | 500 | mW |
| Maximum thermal resistance junction to ambient (Note 1) | RTJA | 300 | K/W |
| Junction temperature | TJ | 175 | C |
| Storage temperature range | TSTG | -55 to +175 | C |
NOTE: 1. Valid provided that electrodes are kept at ambient temperature.
2409302232_JSMSEMI-ZMM5240B_C2857218.pdf
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