ZMM55C Series Zener diode Features 1. Small surface mounting type 2. High reliability Applications Voltage stabilization Construction Silicon epitaxial planar Absolute Maximum Ratings Tj=25 Parameter Test Conditions Symbol Value Unit PV 500 mW Z-current IZ PV/VZ mA Junction temperature Tj 175 Tstg -65~+175 Power dissipation Type RthJA300K/W Storage temperature range Maximum Thermal Resistance Tj=25 Parameter Junction ambient Test Conditions Symbol Value Unit on PC board 50mmx50mmx1.6mm RthJA 500 K/W Electrical Characteristics Tj=25 Parameter Forward voltage Test Conditions IF=200mA Type Symbol VF Min Typ Max Unit 1.5 V ZMM55C Series Type ZMM55C 2V0 2V2 2V4 2V7 3V0 3V3 3V6 3V9 4V3 4V7 5V1 5V6 6V2 6V8 7V5 8V2 9V1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 1) VZnom V 2.0 2.2 2.4 2.7 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 62 68 75 IZT mA 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 for VZT and 1) V 1.9~2.1 2.09~2.31 2.28~2.56 2.5~2.9 2.8~3.2 3.1~3.5 3.4~3.8 3.7~4.1 4.0~4.6 4.4~5.0 4.8~5.4 5.2~6.0 5.8~6.6 6.4~7.2 7.0~7.9 7.7~8.7 8.5~9.6 9.4~10.6 10.4~11.6 11.4~12.7 12.4~14.1 13.8~15.6 15.3~17.1 16.8~19.1 18.8~21.2 20.8~23.3 22.8~25.6 25.1~28.9 28~32 31~35 34~38 37~41 40~46 44~50 48~54 52~60 58~66 64~72 70~79 Tighter tolerances available request: ZMM55B... 2% of VZnom 2) at Tj=150 rzjT 100 100 <85 <85 <85 <85 <85 <85 <75 <60 <35 <25 <10 <8 <7 <7 <10 <15 <20 <20 <26 <30 <40 <50 <55 <55 <80 <80 <80 <80 <80 <90 <90 <110 <125 <135 <150 <200 <250 rzjK at <600 <600 <600 <600 <600 <600 <600 <600 <600 <600 <550 <450 <200 <150 <50 <50 <50 <70 <70 <90 <110 <110 <170 <170 <220 <220 <220 <220 <220 <220 <220 <500 <600 <700 <700 <1000 <1000 <1000 <1500 IZK mA 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 IR and IR at 2) A A <150 <300 <150 <300 <50 <100 <10 <50 <4 <40 <2 <40 <2 <40 <2 <40 <1 <20 <0.5 <10 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <2 <0.1 <5 <0.1 <5 <0.1 <5 <0.1 <10 <0.1 <10 <0.1 <10 <0.1 <10 <0.1 <10 VR V 1 1 1 1 1 1 1 1 1 1 1 1 2 3 5 6.2 6.8 7.5 8.2 9.1 10 11 12 13 15 16 18 20 22 24 27 30 33 36 39 43 47 51 56 TKVZ %/K -0.09~-0.06 -0.09~-0.06 -0.09~-0.06 -0.09~-0.06 -0.08~-0.05 -0.08~-0.05 -0.08~-0.05 -0.08~-0.05 -0.06~-0.03 -0.05~+0.02 -0.02~+0.02 -0.05~+0.05 0.03~0.06 0.03~0.07 0.03~0.07 0.03~0.08 0.03~0.09 0.03~0.1 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.03~0.11 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 0.04~0.12 ZMM55C Series Characteristics (Tj=25 unless otherwise specified) Figure 1. Total Power Dissipation vs. Ambient Temperature Figure 4. Typical Change of Working Voltage Vs. Junction Temperature Figure 2. Typical Change of Working Voltage under Operating Conditions at Tamb=25 Figure 5. Temperature Coefficient of Vz vs. Z-Voltage Figure 3. Diode Capacitance vs. Z-voltage ZMM55C Series Figure 6. Forward Current vs. Forward Voltage Figure 8. Z-Current vs. Z-Voltage Figure 7. Z-Current vs. Z-Voltage Figure 9. Differential Z-Resistance Vz vs. Z-Voltage Figure 10. Thermal Response ZMM55C Series Dimensions in mm 1.50.1 Cathode identification 0.3 3.50.2 Glass Case Mini Melf / SOD 80 JEDEC DO 213 AA