Silicon Planar Power Zener Diode JSMSEMI ZMM5256B 05W Featuring JEDEC Mini MELF Glass Case for Voltage Regulation
Key Attributes
Model Number:
ZMM5256B
Product Custom Attributes
Impedance(Zzt):
49Ω
Diode Configuration:
-
Zener Voltage(Range):
28.5V~31.5V
Pd - Power Dissipation:
500mW
Zener Voltage(Nom):
30V
Impedance(Zzk):
600Ω
Mfr. Part #:
ZMM5256B
Package:
MiniMELF
Product Description
Product Overview
The ZMM5221B THRU ZM5267B series are 0.5W Silicon Planar Power Zener Diodes designed for various voltage regulation applications. They offer standard zener voltage tolerances of 5% (with 'B' suffix) and 10% (with 'A' suffix), with other tolerances available upon request. These diodes feature a JEDEC MINI-MELF glass case with solderable terminals and are suitable for any mounting position.
Product Attributes
- Brand: SMICRO Semiconductor (JSMICRO Semiconductor)
- Origin: Not specified
- Material: Silicon Planar
- Color: Not specified (Color band denotes cathode end)
- Certifications: MIL-STD-202, Method 208 (for terminals)
Technical Specifications
| Type | Nominal Zener Voltage (VZ @ IZT) (V) | Test Current (IZT) (mA) | Max Zener Impedance (ZZT @ IZT) () | Typical Temperature Coefficient (VZ) (%/C) | Max Reverse Leakage Current (IR @ VR) (A) | Max DC Zener Current (IZM) (mA) | Power Dissipation (Ptot) (mW) | Thermal Resistance (RJA) (K/W) | Junction Temperature (TJ) (C) | Storage Temperature (TSTG) (C) |
| ZMM5221B | 2.4 | 20 | 1200 | -0.085 | 185 | 100 | 500 | 300 | 175 | -55 to +175 |
| ZMM5222B | 2.5 | 20 | 1250 | -0.085 | 180 | 100 | 500 | 300 | 175 | -55 to +175 |
| ZMM5223B | 2.7 | 20 | 1300 | -0.080 | 165 | 75 | 500 | 300 | 175 | -55 to +175 |
| ZMM5224B | 2.8 | 20 | 1400 | -0.080 | 160 | 75 | 500 | 300 | 175 | -55 to +175 |
| ZMM5225B | 3.0 | 20 | 29 | -0.075 | 50 | 15 | 500 | 300 | 175 | -55 to +175 |
| ZMM5226B | 3.3 | 20 | 28 | -0.070 | 25 | 13.8 | 500 | 300 | 175 | -55 to +175 |
| ZMM5227B | 3.6 | 20 | 24 | -0.065 | 15 | 12.6 | 500 | 300 | 175 | -55 to +175 |
| ZMM5228B | 3.9 | 20 | 23 | -0.060 | 10 | 11.5 | 500 | 300 | 175 | -55 to +175 |
| ZMM5229B | 4.3 | 20 | 22 | -0.055 | 5.0 | 10.6 | 500 | 300 | 175 | -55 to +175 |
| ZMM5230B | 4.7 | 20 | 19 | 0.030 | 5.0 | 9.7 | 500 | 300 | 175 | -55 to +175 |
| ZMM5231B | 5.1 | 20 | 17 | 0.030 | 5.0 | 8.9 | 500 | 300 | 175 | -55 to +175 |
| ZMM5232B | 5.6 | 20 | 11 | +0.038 | 5.0 | 8.1 | 500 | 300 | 175 | -55 to +175 |
| ZMM5233B | 6.0 | 20 | 7 | +0.038 | 5.0 | 7.6 | 500 | 300 | 175 | -55 to +175 |
| ZMM5234B | 6.2 | 20 | 7 | +0.045 | 5.0 | 7.3 | 500 | 300 | 175 | -55 to +175 |
| ZMM5235B | 6.8 | 20 | 5 | +0.050 | 3.0 | 6.7 | 500 | 300 | 175 | -55 to +175 |
| ZMM5236B | 7.5 | 20 | 6 | +0.058 | 3.0 | 6.1 | 500 | 300 | 175 | -55 to +175 |
| ZMM5237B | 8.2 | 20 | 8 | +0.062 | 3.0 | 5.5 | 500 | 300 | 175 | -55 to +175 |
| ZMM5238B | 8.7 | 20 | 8 | +0.065 | 3.0 | 5.2 | 500 | 300 | 175 | -55 to +175 |
| ZMM5239B | 9.1 | 20 | 10 | +0.068 | 3.0 | 5.0 | 500 | 300 | 175 | -55 to +175 |
| ZMM5240B | 10 | 20 | 17 | +0.075 | 3.0 | 4.5 | 500 | 300 | 175 | -55 to +175 |
| ZMM5241B | 11 | 20 | 22 | +0.076 | 2.0 | 4.1 | 500 | 300 | 175 | -55 to +175 |
| ZMM5242B | 12 | 20 | 30 | +0.077 | 1.0 | 3.8 | 500 | 300 | 175 | -55 to +175 |
| ZMM5243B | 13 | 20 | 13 | +0.079 | 0.5 | 3.5 | 500 | 300 | 175 | -55 to +175 |
| ZMM5244B | 14 | 20 | 15 | +0.082 | 0.1 | 3.2 | 500 | 300 | 175 | -55 to +175 |
| ZMM5245B | 15 | 20 | 16 | +0.082 | 0.1 | 3.0 | 500 | 300 | 175 | -55 to +175 |
| ZMM5246B | 16 | 20 | 17 | +0.083 | 0.1 | 2.8 | 500 | 300 | 175 | -55 to +175 |
| ZMM5247B | 17 | 20 | 19 | +0.084 | 0.1 | 2.7 | 500 | 300 | 175 | -55 to +175 |
| ZMM5248B | 18 | 20 | 21 | +0.085 | 0.1 | 2.5 | 500 | 300 | 175 | -55 to +175 |
| ZMM5249B | 19 | 20 | 23 | +0.086 | 0.1 | 2.4 | 500 | 300 | 175 | -55 to +175 |
| ZMM5250B | 20 | 20 | 25 | +0.086 | 0.1 | 2.3 | 500 | 300 | 175 | -55 to +175 |
| ZMM5251B | 22 | 20 | 29 | +0.087 | 0.1 | 21.2 | 500 | 300 | 175 | -55 to +175 |
| ZMM5252B | 24 | 20 | 33 | +0.087 | 0.1 | 19.1 | 500 | 300 | 175 | -55 to +175 |
| ZMM5253B | 25 | 20 | 35 | +0.089 | 0.1 | 18.2 | 500 | 300 | 175 | -55 to +175 |
| ZMM5254B | 27 | 20 | 41 | +0.090 | 0.1 | 16.8 | 500 | 300 | 175 | -55 to +175 |
| ZMM5255B | 28 | 20 | 44 | +0.091 | 0.1 | 16.2 | 500 | 300 | 175 | -55 to +175 |
| ZMM5256B | 30 | 20 | 49 | +0.091 | 0.1 | 15.1 | 500 | 300 | 175 | -55 to +175 |
| ZMM5257B | 33 | 20 | 58 | +0.092 | 0.1 | 13.8 | 500 | 300 | 175 | -55 to +175 |
| ZMM5258B | 36 | 20 | 70 | +0.093 | 0.1 | 12.6 | 500 | 300 | 175 | -55 to +175 |
| ZMM5259B | 39 | 20 | 80 | +0.094 | 0.1 | 11.5 | 500 | 300 | 175 | -55 to +175 |
| ZMM5260B | 43 | 20 | 93 | +0.095 | 0.1 | 10.6 | 500 | 300 | 175 | -55 to +175 |
| ZMM5261B | 47 | 20 | 105 | +0.095 | 0.1 | 9.7 | 500 | 300 | 175 | -55 to +175 |
| ZMM5262B | 51 | 20 | 125 | +0.096 | 0.1 | 8.9 | 500 | 300 | 175 | -55 to +175 |
| ZMM5263B | 56 | 20 | 150 | +0.096 | 0.1 | - | 500 | 300 | 175 | -55 to +175 |
| ZMM5264B | 60 | 20 | 170 | +0.097 | 0.1 | - | 500 | 300 | 175 | -55 to +175 |
| ZMM5265B | 62 | 20 | 185 | +0.097 | 0.1 | - | 500 | 300 | 175 | -55 to +175 |
| ZMM5266B | 68 | 20 | 230 | +0.097 | 0.1 | - | 500 | 300 | 175 | -55 to +175 |
| ZMM5267B | 75 | 20 | 270 | +0.098 | 0.1 | - | 500 | 300 | 175 | -55 to +175 |
2409302330_JSMSEMI-ZMM5256B_C2857202.pdf
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