Product Drawing

Technical Parameters
| Type | Power | Package |
| MM1W3V3L THRU MM1W110L | 1 | SOD-123FL |
| 1SMA4728A THRU 1SMA4777A | 1 | SMA |
| 1SMA5913A THRU 1SMA5957B | 1.5 | SMA |
| 1SMB5913B THRU 1SMB5956B | 3 | SMB |
| ZMM55C2V4 THRU ZMM55C75 | 0.5 | MINI MELF |
| BZV55C2V4 THRU BZV55C75 | 0.5 | MINI MELF |
| ZMM5221B THRU ZMM5263B | 0.5 | MINI MELF |
| DL5221B THRU DL5263B | 0.5 | MINI MELF |
| DL4728A THRU DL4764A | 1 | MELF |
Product Features
| SYMBOLS | VALUE | UNITS | |
| Power Dissipation at Tamb=25 C(Note 1) | Ptot | 500 | mW |
| Junction Temperature | Tj | 200 | ℃ |
| Storage Temperature Range | TSTG | -65 to + 200 | ℃ |
| Thermal resistance junction ambient(Note 1) | RθJA | 0.3 | K/mW |
| Forward voltage at IF=200mA | VF | 1.1 | V |
| Device Type | Nominal Zener Voltage | Test Current | Maximum Zener Impedance | Maximum Reverse Leakage Current | Typical Temperature Coefficient
| Maximum Regulator Current | ||
| Vz@IZT | IZT | ZZT@IZT | ZZK@IZK=0.25mA | IR | @VR | IZM | ||
| Volts | mA | Ohms | Ohms | µA | Volts | %/ C | mA | |
| MMSZ5221 | 2.4 | 20 | 30 | 1200 | 100 | 1.0 | -0.085 | 191 |
| MMSZ5222 | 2.5 | 20 | 30 | 1250 | 100 | 1.0 | -0.085 | 182 |
| MMSZ5223 | 2.7 | 20 | 30 | 1300 | 75 | 1.0 | -0.080 | 168 |
| MMSZ5224 | 2.8 | 20 | 30 | 1400 | 75 | 1.0 | -0.080 | 162 |
| MMSZ5225 | 3.0 | 20 | 29 | 1600 | 50 | 1.0 | -0.075 | 151 |
| MMSZ5226 | 3.3 | 20 | 28 | 1600 | 25 | 1.0 | -0.070 | 138 |
| MMSZ5227 | 3.6 | 20 | 24 | 1700 | 15 | 1.0 | -0.065 | 126 |
| MMSZ5228 | 3.9 | 20 | 23 | 1900 | 10 | 1.0 | -0.060 | 115 |
| MMSZ5229 | 4.3 | 20 | 22 | 2000 | 5.0 | 1.0 | ±0.055 | 106 |
| MMSZ5230 | 4.7 | 20 | 19 | 1900 | 5.0 | 2.0 | ±0.030 | 97 |
| MMSZ5231 | 5.1 | 20 | 17 | 1600 | 5.0 | 2.0 | ±0.030 | 89 |
| MMSZ5232 | 5.6 | 20 | 11 | 1600 | 5.0 | 3.0 | +0.038 | 81 |
| MMSZ5233 | 6.0 | 20 | 7 | 1600 | 5.0 | 3.5 | +0.038 | 76 |
| MMSZ5234 | 6.2 | 20 | 7 | 1000 | 5.0 | 4.0 | +0.045 | 73 |
| MMSZ5235 | 6.8 | 20 | 5 | 750 | 3.0 | 5.0 | +0.050 | 67 |
| MMSZ5236 | 7.5 | 20 | 6 | 500 | 3.0 | 6.0 | +0.058 | 61 |
| MMSZ5237 | 8.2 | 20 | 8 | 500 | 3.0 | 6.5 | +0.062 | 55 |
| MMSZ5238 | 8.7 | 20 | 8 | 600 | 3.0 | 6.5 | +0.065 | 52 |
| MMSZ5239 | 9.1 | 20 | 10 | 600 | 3.0 | 7.0 | +0.068 | 50 |
| MMSZ5240 | 10 | 20 | 17 | 600 | 3.0 | 8.0 | +0.075 | 45 |
| MMSZ5241 | 11 | 20 | 22 | 600 | 2.0 | 8.4 | +0.076 | 41 |
| MMSZ5242 | 12 | 20 | 30 | 600 | 1.0 | 9.1 | +0.077 | 38 |
| MMSZ5243 | 13 | 9.5 | 13 | 600 | 0.5 | 9.9 | +0.079 | 35 |
| MMSZ5244 | 14 | 9.0 | 15 | 600 | 0.1 | 10 | +0.082 | 32 |
| MMSZ5245 | 15 | 8.5 | 16 | 600 | 0.1 | 11 | +0.082 | 30 |
| MMSZ5246 | 16 | 7.8 | 17 | 600 | 0.1 | 12 | +0.083 | 28 |
| MMSZ5247 | 17 | 7.4 | 19 | 600 | 0.1 | 13 | +0.084 | 27 |
| MMSZ5248 | 18 | 7.0 | 21 | 600 | 0.1 | 14 | +0.085 | 25 |
| MMSZ5249 | 19 | 6.6 | 23 | 600 | 0.1 | 14 | +0.085 | 24 |
| MMSZ5250 | 20 | 6.2 | 25 | 600 | 0.1 | 15 | +0.086 | 23 |
| MMSZ5251 | 22 | 5.6 | 29 | 600 | 0.1 | 17 | +0.087 | 21.2 |
| MMSZ5252 | 24 | 5.2 | 33 | 600 | 0.1 | 18 | +0.088 | 19.1 |
| MMSZ5253 | 25 | 5.0 | 35 | 600 | 0.1 | 19 | +0.089 | 18.2 |
| MMSZ5254 | 27 | 4.6 | 41 | 600 | 0.1 | 21 | +0.090 | 16.8 |
| MMSZ5255 | 28 | 4.5 | 44 | 600 | 0.1 | 21 | +0.091 | 16.2 |
| MMSZ5256 | 30 | 4.2 | 49 | 600 | 0.1 | 23 | +0.091 | 15.1 |
| MMSZ5257 | 33 | 3.8 | 58 | 700 | 0.1 | 25 | +0.092 | 13.8 |
| MMSZ5258 | 36 | 3.4 | 70 | 700 | 0.1 | 27 | +0.093 | 12.6 |
| MMSZ5259 | 39 | 3.2 | 80 | 800 | 0.1 | 30 | +0.094 | 11.5 |
| MMSZ5260 | 43 | 3.0 | 93 | 900 | 0.1 | 33 | +0.095 | 10.6 |
| MMSZ5261 | 47 | 2.7 | 150 | 1000 | 0.1 | 36 | +0.095 | 9.7 |
| MMSZ5262 | 51 | 2.5 | 125 | 1100 | 0.1 | 39 | +0.096 | 8.9 |
| MMSZ5263 | 56 | 2.2 | 150 | 1300 | 0.1 | 43 | +0.096 | 8.1 |



