View mmhz5221bpt-thru-mmhz5270bpt datasheet:

ELECTRICAL CHARACTERISTICS ( MMHZ5221BPT THRU MMHZ5270BPT ) Zener voltage Test Maximum Zener impedance Maximum Type Maximum reverse leakage current temperature regulator VZ (V) @ IZT current coefficient current TYPE ZZT at at at Min Nom Max at IZT ZZK IZK IR at VR TA= 25oC TA= 50oC Volts Volts Volts IZT (mA) ( ) ( ) (mA) (uA) (V) VZ (%/oC) IZM (mA) MMHZ5221BPT 2.280 2.4 2.520 5 100 1800 0.25 100 1 -0.085 190 MMHZ5222BPT 2.375 2.5 2.625 5 100 1800 0.25 100 1 -0.085 182 MMHZ5223BPT 2.565 2.7 2.835 5 100 1900 0.25 75 1 -0.080 168 MMHZ5224BPT 2.660 2.8 2.940 5 100 1900 0.25 75 1 -0.080 162 MMHZ5225BPT 2.850 3.0 3.150 5 95 2000 0.25 50 1 -0.075 152 MMHZ5226BPT 3.135 3.3 3.465 5 95 2200 0.25 25 1 -0.070 138 MMHZ5227BPT 3.420 3.6 3.780 5 90 2300 0.25 15 1 -0.065 126 MMHZ5228