BZX55C SERIES ZENER DIODE REVERSE VOLTAGE - 2.4 to 188 Volts DO - 35 FEATURES ● High reliability .020 TYP. (0.51) 1.083(27.5) MIN APPLICATIONS ● Voltage stabilization .150(3.8) MAX CONSTRUCTION .079 MAX (2.0) ● Silicon epitaxial planar 1.083(27.5) MIN Dimensions in inches and (millimeters) ABSOLUTE MAXIMUM RATINGS TJ=25℃ Parameter Power dissipation Test Conditions Type Symbol Value Unit Pv 500 Mw Iz Pv/Vz MA 175℃ ℃ Tstg -55 ~ +200 ℃ Test Conditions Symbol Value Unit I=4mm TL=constant RthJA 350 K/W I=4mm TL≤25℃ Z-current Junction temperature Storage temperature range MAXIMUM THERMAL RESISTANCE TJ=25℃ Parameter Junction ambient ELECTRICAL CHARACTERISTICS TJ=25℃ Parameter Forward voltage Test Conditions IF=200mA ~ 399 ~ Type Symbol VF Min Typ Max Unit 1.5 V RATING AND CHARACTERISTIC CURVES BZX55C SERIES FIG. 2 - TOTAL POWER DISSIPATIONVS. AMBIENT TEMPERATURE 600 500 TOTAL POWER DISSIPATION(mw) THERM.RESIST.JUNCTION / AMBIENT(K/M) FIG. 1 - THERMAL RESISTANCE VS.LEAD LENGTH 400 300 200 100 0 0 5 10 15 20 500 400 300 200 100 0 LEAD LENGTH (mm) 0 40 80 120 160 200 AMBIENT TEMPERATURE (°C) FIG. 4 - TYPICAL CHANGE OF WORKING VOLTAGE VS. JUNCTION TEMPERATURE FIG.3 -TYPICAL CHANGE OF WORKING VOLTAGE UNDER OPERATING CONDITIONS AT Tamb=25°C 1000 1.3 RELATIVE VOLTAGE CHANGE VOLTAGE CHAGNE(mA) VZtn=Vzt/Vz(25°C) TJ=25°C 100 Iz=5mA 10 6x10-4/K -4/ TKyz=10x10 K 1.1 8x10-4/K 4x10-4/K 2x10-4/K 0 -2x10-4/K -4x10-4/K 1.0 0.9 0.8 1 -60 0 5 15 10 Z-VOLTAGE (V) 20 25 0 60 120 180 240 JUNCTION TEMPERATURE (°C) FIG.5 - TYPICAL CHANGE OF WORKING VOLTAGE VS. JUNCTION TEMPERATURE FIG.6 - DIODE CAPACITANCE VS.Z-VOLTAGE 200 15 DIODE CAPACITANCE (PF) TEMPERATURE COEFFICIENT OF Vz (10-4/K) 1.2 10 5 Iz=5mA 0 VR=2V TJ=25°C 150 100 50 0 0 -5 0 10 20 30 40 0 50 5 10 15 Z-VOLTAGE(V) Z-VOLTAGE(V) ~ 400 ~ 20 25 RATING AND CHARACTERISTIC CURVES BZX55C SERIES FIG.7 - FORWARD CURRENT VS. FORWARD VOLTAGE FIG.8 - Z-CURRENT VS. Z-VOLTAGE 100 FORWARD CURRENT (mA) 100 TJ=25°C 80 Z-CURRENT (mA) 10 Ptot=500mW Tamb=25°C 1 0.1 0.01 60 40 20 0.001 0 0.4 0.2 0.6 0.8 0 1.0 0 FORWARD VOLTAGE (V) 4 8 12 16 Z-VOLTAGE(V) FIG.9 - Z-CURRENT VS. Z-VOLTAGE DIFFERENTIAL-RESISTANCE Ptot=500mW Tamb=25°C 40 Z-CURRENT (mA) （ Ω） 50 30 20 10 0 15 20 25 30 FIG.10 - DIFFERENTIAL Z-RESISTANCE Vz VS. Z-VOLTAGE 1000 Iz=1mA 100 35 5mA 10 10m TJ=25°C 1 0 5 10 THERMAL RESISTANCE FOR PULSE COND. (K/W) FIG.11 - THERMAL RESPONSE 1000 100 10 1 10-1 15 Z-VOLTAGE(V) Z-VOLTAGE(V) 100 101 PULSE LENGTH (ms) ~ 401 ~ 102 20 25 20 BZX55C SERIES 500mW ZENER DIODES/DO-35/DL-35(MINI MELF) TYPE Nominal Zener Min BZX55C2V4 2.28 BZX5C2V7 2.50 BZX55C3V0 2.80 BZX55C3V3 3.10 BZX55C3V6 3.40 BZX55C3V9 3.70 BZX55C4V3 4.00 BZX55C4V7 4.40 BZX55C5V1 4.80 BZX55C5V6 5.20 BZX55C6V2 5.80 BZX55C6V8 6.40 BZX55C7V5 7.00 BZX55C8V2 7.70 BZX55C9V1 8.50 BZX55C10 9.40 BZX55C11 10.4 BZX55C12 11.4 BZX55C13 12.4 BZX55C15 13.8 BZX55C16 15.3 BZX55C18 16.8 BZX55C20 18.8 BZX55C22 20.8 BZX55C24 22.8 BZX55C27 25.1 BZX55C30 28.0 BZX55C33 31.0 BZX55C36 34.0 BZX55C39 37.0 BZX55C43 40.0 BZX55C47 44.0 BZX55C51 48.0 BZX55C56 52.0 BZX55C62 58.0 BZX55C68 64.0 BZX55C75 70.0 BZX55C82 77.0 BZX55C91 85.0 BZX55C100 94.0 BZX55C110 104 BZX55C120 114 BZX55C130 124 BZX55C150 138 BZX55C160 153 BZX55C180 168 BZX55C188 188 NOTE: 1. Normal Tolerance ±5%. Max 2.56 2.90 3.20 3.50 3.80 4.10 4.60 5.00 5.40 6.00 6.60 7.20 7.90 8.70 9.60 10.6 11.6 12.7 14.1 15.6 17.1 19.1 21.2 23.3 25.6 28.9 32.0 35.0 38.0 41.0 46.0 50.0 54.0 60.0 66.0 72.0 80.0 87.0 96.0 106 116 127 141 156 171 191 212 Test Current IZT mA 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 OPRERATING AND STORAGE TEMPERATURE -55℃to+200℃ Maximum Zener Impedance ZZT @ IZT Ohms 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 90 110 125 135 150 200 250 300 450 450 600 800 1000 1200 1500 1800 2000 ZZT @ IZK Ohms 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 2000 5000 5000 5000 5000 5000 5000 5000 5000 5000 ~ 402 ~ IZK mA 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Maximum Reverse Leakage Current IR μA 50 10 4.0 2.0 2.0 2.0 1.0 0.5 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 Maximun Surge Current IZM @ VR Volts 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 1.0 2.0 3.0 5.0 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 82 91 100 110 120 130 150 Maximum Regulation Current mA ﹣0.085 ﹣0.080 ﹣0.075 ﹣0.070 ﹣0.065 ﹣0.060 ±0.055 ±0.030 ±0.030 ﹢0.038 ﹢0.045 ﹢0.050 ﹢0.058 ﹢0.062 ﹢0.068 ﹢0.075 ﹢0.076 ﹢0.077 ﹢0.079 ﹢0.082 ﹢0.083 ﹢0.085 ﹢0.086 ﹢0.087 ﹢0.088 ﹢0.090 ﹢0.091 ﹢0.092 ﹢0.093 ﹢0.094 ﹢0.095 ﹢0.095 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 ﹢0.096 mA 155 135 125 115 105 95 90 85 80 70 64 58 53 74 43 40 36 32 29 27 24 21 20 18 16 14 13 12 11 10 9.2 8.5 7.8 7.0 6.4 5.9 5.3 4.8 4.4 4.0 3.6 3.3 3.0 2.6 2.5 2.2 2.0