The 1N5221B is a single zener diode with a nominal voltage of 2.4V and a tolerance of 5%. It has a maximum zener impedance of 30 and a maximum reverse leakage current of 100uA. The diode is available in a 4-pin CLLCC-3 package, which is a non-lead-frame surface mount package made of ceramic material. It can operate over a temperature range of -55°C to 175°C and has a maximum power dissipation of 500mW.
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| Basic Package Type | Non-Lead-Frame SMT |
| Package Family Name | LLCC |
| Package/Case | CLLCC-3 |
| Lead Shape | No Lead |
| Pin Count | 4 |
| PCB | 4 |
| Package Length (mm) | 3.81 |
| Package Width (mm) | 5.59 |
| Package Height (mm) | 1.65 |
| Seated Plane Height (mm) | 1.65 |
| Pin Pitch (mm) | 1.27 |
| Package Material | Ceramic |
| Mounting | Surface Mount |
| Type | Voltage Regulator |
| Configuration | Single |
| Nominal Zener Voltage | 2.4V |
| Maximum Zener Impedance | 30Ohm |
| Zener Voltage Tolerance | 5% |
| Maximum Power Dissipation | 500mW |
| Maximum Reverse Leakage Current | 100uA |
| Min Operating Temperature | -55°C |
| Max Operating Temperature | 175°C |
| Cage Code | 57027, 73138,U1395 |
| HTS Code | 8541100050 |
| Schedule B | 8541100050 |
| ECCN | EAR99 |
| Automotive | No |
| AEC Qualified | No |
| PPAP | No |
| Radiation Hardening | No |
| RoHS Versions | 2002/95/EC |
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