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| Shanghai Lunsure Electronic Technology Co.,Ltd Tel:0086-21-37185008 Fax:0086-21-57152769 BZX79C2V4 THRU BZX79C33 * * * Features Zener Voltage Range 2.4V to 33V Metallurgical Bonded C onstrrction Double Slug Type Construction 500mW Silicon Zener Diodes Mechanical Data * * Case: Double slug type, hermetically sealed glass Polarity: Cathode indicated by polarity band Maximum Ratings* Symbol Max. Steady State Power Dissipation at TL<75OC, Lead Length=3/8" Derate above 75 OC Junction Temperature Storage Temperature Range PD TJ TSTG 4.0 150 -55 to 150 mW/ C o o o Value 500 Units mW C C Electrical Characteristics @ 25C Unless Otherwise Specified Symbol Max. Forward Voltage @ I F=100mA VF Maximum 1.5 Unit V DIMENSIONS NOTE: 1) Some part number series have lower JEDEC registered ratings. www.cnelectr.com BZX79C2V4 thru BZX79C33 Electrical Characteristics (TL= 30 OC Unless Otherwise Noted, VF=1.5V Max @ IF=100mA for all types) Device (1) Max BZX79C2V4 79C2V4 0 BZX79C2V7 79C2V7 0 BZX79C3V0 79C3V0 0 BZX79C3V3 79C3V3 0 BZX79C3V6 79C3V6 0 BZX79C3V9 79C3V9 0.3 BZX79C4V7 79C4V7 0.2 BZX79C5V1 79C5V1 1.2 BZX79C5V6 79C5V6 2.5 BZX79C6V2 79C6V2 3.7 BZX79C6V8 79C6V8 4.5 BZX79C7V5 79C7V5 5.3 BZX79C8V2 79C8V2 6.2 BZX79C10 79C10 8.0 BZX79C12 79C12 10 BZX79C15 79C15 13 BZX79C16 79C16 14 BZX79C18 79C18 16 BZX79C22 79C22 20 BZX79C24 79C24 22 BZX79C27 79C27 23.5 BZX79C30 79C30 26 BZX79C33 79C33 29 Note: 1) Tolerance and voltage designation Tolerance designation- the type numbers listed have zener voltage min/max limits as shown. 2) Reverse zener voltage (VZ) Measurement Reverse zener voltage is measured under pulse conditions such that Tj is no more than 2OC above TA 3) Zener impedance (ZZ) derivation ZZT and ZZK are measured by dividing the ac voltage drop across the device by the ac current applied. The specified limits are for IZ(ac)=0.1 IZ(dc) with the ac frequency=1.0KHz. Device Marking Zener Voltage (2) VZ (Volts) @ IZT Min Nom Max uA 2.28 2.4 2.52 5.0 2.57 2.7 2.84 5.0 2.85 3.0 3.15 5.0 3.14 3.3 3.47 5.0 3.42 3.6 3.78 5.0 3.71 3.9 4.10 5.0 4.47 4.7 4.94 5.0 4.85 5.1 5.36 5.0 5.32 5.6 5.88 5.0 5.89 6.2 6.51 5.0 6.46 6.8 7.19 5.0 7.13 7.5 7.88 5.0 7.79 8.2 8.61 5.0 9.5 10 10.5 5.0 11.4 12 12.6 5.0 14.25 15 15.75 5.0 15.2 16 16.8 5.0 17.1 18 18.9 5.0 20.9 22 23.1 5.0 22.8 24 25.2 5.0 25.65 27 28.35 5.0 28.5 30 31.5 5.0 31.35 33 34.65 5.0 ZZT @ I ZT (3) (f=1.0KHz) Leakage Current IR @ V R VBR mV/ C O C V Z=0, f=1.0MHz pF Ohms 100 100 95 95 90 90 80 60 40 10 15 15 15 20 25 30 40 45 55 70 80 80 80 uA 100 75 50 25 15 10 3.0 2.0 1.0 3.0 2.0 1.0 0.7 0.2 0.1 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 Volts 1.0 1.0 1.0 1.0 1.0 1.0 2.0 2.0 2.0 4.0 4.0 5.0 5.0 7.0 8.0 10.5 11.2 12.6 15.4 16.8 18.9 21 23.1 Min -3.5 -3.5 -3.5 -3.5 -3.5 -3.5 -3.5 -2.7 -2.0 0.4 1.2 2.5 3.2 4.5 6.0 9.2 10.4 12.9 16.4 18.4 ------- 255 230 215 200 185 175 130 110 95 90 85 80 75 70 65 55 52 47 34 33 30 27 25 www.cnelectr.com BZX79C2V4 thru BZX79C33 VZ , TEMPERATURE COEFFICIENT (mV/ C) +10 +8 +6 +4 +2 0 -2 -4 2 3 4 5 6 7 8 9 VZ, ZENER VOLTAGE (VOLTS) 10 11 12 RANGE VZ @ IZT (NOTE 2) VZ , TEMPERATURE COEFFICIENT (mV/ C) +12 100 70 50 30 20 10 7 5 3 2 1 10 20 30 50 VZ, ZENER VOLTAGE (VOLTS) 70 100 RANGE VZ @ IZ (NOTE 2) Figure 1a. Range for Units to 12 Volts Figure 1b. Range for Units 12 to 100 Volts VZ , TEMPERATURE COEFFICIENT (mV/ C) VZ , TEMPERATURE COEFFICIENT (mV/ C) 200 180 160 140 120 100 VZ @ IZT (NOTE 2) 120 130 140 150 160 170 180 190 200 +6 +4 +2 0 -2 -4 VZ @ IZ TA = 25C 20 mA 0.01 mA 1 mA NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS NOTE: CHANGES IN ZENER CURRENT DO NOT NOTE: AFFECT TEMPERATURE COEFFICIENTS 3 4 5 6 7 8 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) Figure 1c. Range for Units 120 to 200 Volts Figure 2. Effect of Zener Current 1000 500 C, CAPACITANCE (pF) 200 100 50 20 10 5 2 1 1 2 5 10 20 50% OF VZ BIAS 0 V BIAS TA = 25C 100 70 50 C, CAPACITANCE (pF) 30 20 10 7 5 3 2 1 TA = 25C 0 BIAS 1 V BIAS 1 VOLT BIAS 50% OF VZ BIAS 50 100 120 140 160 180 190 200 220 VZ, ZENER VOLTAGE (VOLTS) VZ, ZENER VOLTAGE (VOLTS) Figure 3a. Typical Capacitance 2.4-100 Volts Figure 3b. Typical Capacitance 120-200 Volts www.cnelectr.com BZX79C2V4 thru BZX79C33 Ppk , PEAK SURGE POWER (WATTS) 100 70 50 30 20 10 7 5 3 2 1 0.01 0.02 0.05 0.1 0.2 0.5 1 2 5 10 20 50 100 200 500 1000 10% DUTY CYCLE 20% DUTY CYCLE 5% DUTY CYCLE RECTANGULAR WAVEFORM TJ = 25C PRIOR TO INITIAL PULSE 11 V-91 V NONREPETITIVE 1.8 V-10 V NONREPETITIVE PW, PULSE WIDTH (ms) Figure 4a. Maximum Surge Power 1.8-91 Volts 1000 700 500 300 200 100 70 50 30 20 10 7 5 3 2 1 0.01 1000 500 ZZ , DYNAMIC IMPEDANCE (OHMS) RECTANGULAR WAVEFORM, TJ = 25C 200 100 50 20 10 5 2 1 0.1 0.2 0.5 1 2 5 10 20 50 100 6.2 V TJ = 25C iZ(rms) = 0.1 IZ(dc) f = 60 Hz Ppk , PEAK SURGE POWER (WATTS) VZ = 2.7 V 47 V 27 V 100-200 VOLTS NONREPETITIVE 0.1 1 10 100 1000 PW, PULSE WIDTH (ms) IZ, ZENER CURRENT (mA) Figure 4b. Maximum Surge Power DO-204AH 100-200 Volts Figure 5 Effect of Zener Current on Zener Impedance ZZ , DYNAMIC IMPEDANCE (OHMS) 1000 700 500 200 100 70 50 20 10 7 5 2 1 1 2 3 5 7 10 IZ = 1 mA 5 mA 20 mA I F , FORWARD CURRENT (mA) TJ = 25C iZ(rms) = 0.1 IZ(dc) f = 60 Hz 1000 500 200 100 50 20 10 5 150C 2 1 75C MAXIMUM MINIMUM 25C 0C 20 30 50 70 100 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 VZ, ZENER VOLTAGE (VOLTS) VF, FORWARD VOLTAGE (VOLTS) Figure 6. Effect of Zener Voltage on Zener Impedance Figure 7. Typical Forward Characteristics www.cnelectr .com |
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