BZX55C2V4RL Series 500 mW DO−35 Hermetically Sealed Glass Zener Voltage Regulators This is a complete series of 500 mW Zener diodes with limits and excellent operating characteristics that reflect the superior capabilities of silicon−oxide passivated junctions. All this in an axial−lead hermetically sealed glass package that offers protection in all common environmental conditions. http://onsemi.com Cathode Anode Specification Features: • Zener Voltage Range − 2.4 V to 33 V • ESD Rating of Class 3 (>16 KV) per Human Body Model • DO−204AH (DO−35) Package − Smaller than Conventional • • DO−204AA Package Double Slug Type Construction Metallurgical Bonded Construction AXIAL LEAD CASE 299 GLASS Mechanical Characteristics: CASE: Double slug type, hermetically sealed glass FINISH: All external surfaces are corrosion resistant and leads are MARKING DIAGRAM readily solderable L 55C xxx YWW MAXIMUM LEAD TEMPERATURE FOR SOLDERING PURPOSES: 230°C, 1/16″ from the case for 10 seconds POLARITY: Cathode indicated by polarity band MOUNTING POSITION: Any MAXIMUM RATINGS (Note 1) Rating Max. Steady State Power Dissipation @ TL ≤ 75°C, Lead Length = 3/8″ Derate above 75°C Operating and Storage Temperature Range Symbol Value Unit PD 500 mW 4.0 mW/°C −65 to +200 °C TJ, Tstg 1. Some part number series have lower JEDEC registered ratings. L = Assembly Location 55Cxxx = Device Code = (See Table Next Page) Y = Year WW = Work Week ORDERING INFORMATION Device Package Shipping BZX55CxxxRL Axial Lead 5000/Tape & Reel BZX55CxxxRL2* Axial Lead 5000/Tape & Reel * The “2” suffix refers to 26 mm tape spacing. © Semiconductor Components Industries, LLC, 2006 August, 2006 − Rev. 1 1 Publication Order Number: BZX55C2V4RL/D BZX55C2V4RL Series ELECTRICAL CHARACTERISTICS (TL = 30°C unless I otherwise noted, VF = 1.5 V Max @ IF = 100 mA for all types) Symbol VZ Reverse Zener Voltage @ IZT IZT Reverse Current ZZT Maximum Zener Impedance @ IZT QVBR IF Parameter VZ VR Temperature Coefficient of VBR (Typical) IR Reverse Leakage Current (TA = 25°C) @ VR VR Breakdown Voltage IF Forward Current VF Forward Voltage @ IF C Capacitance (Typical) V IR VF IZT Zener Voltage Regulator http://onsemi.com 2 BZX55C2V4RL Series ELECTRICAL CHARACTERISTICS (TL = 30°C unless otherwise noted, VF = 1.3 V Max, IF = 100 mAdc for all types) VZT at IZT (V) Max Reverse Leakage Current IR at VR (mA) Device Marking Min (Note 2) Max (Note 2) Max Zener Impedance (Note 4) ZZT @ IZT (Ohms) Max BZX55C2V4RL BZX55C2V7RL BZX55C3V0RL BZX55C3V3RL BZX55C3V6RL 55C2V4 55C2V7 55C3V0 55C3V3 55C3V6 2.28 2.5 2.8 3.1 3.4 2.56 2.9 3.2 3.5 3.8 85 85 85 85 85 5 5 5 5 5 50 10 4 2 2 100 50 40 40 40 1 1 1 1 1 155 135 125 115 105 BZX55C3V9RL BZX55C4V3RL BZX55C4V7RL BZX55C5V1RL BZX55C5V6RL 55C3V9 55C4V3 55C4V7 55C5V1 55C5V6 3.7 4 4.4 4.8 5.2 4.1 4.6 5 5.4 6 85 75 60 35 25 5 5 5 5 5 2 1 0.5 0.1 0.1 40 20 10 2 2 1 1 1 1 1 95 90 85 80 70 BZX55C6V2RL BZX55C6V8RL BZX55C7V5RL BZX55C8V2RL BZX55C9V1RL 55C6V2 55C6V8 55C7V5 55C8V2 55C9V1 5.8 6.4 7 7.7 8.5 6.6 7.2 7.9 8.7 9.6 10 8 7 7 10 5 5 5 5 5 0.1 0.1 0.1 0.1 0.1 2 2 2 2 2 2 3 5 6 7 64 58 53 47 43 BZX55C10RL BZX55C11RL BZX55C12RL BZX55C13RL BZX55C15RL 55C10 55C11 55C12 55C13 55C15 9.4 10.4 11.4 12.4 13.8 10.6 11.6 12.7 14.1 15.6 15 20 20 26 30 5 5 5 5 5 0.1 0.1 0.1 0.1 0.1 2 2 2 2 2 7.5 8.5 9 10 11 40 36 32 29 27 BZX55C16RL BZX55C18RL BZX55C20RL BZX55C22RL BZX55C24RL 55C16 55C18 55C20 55C22 55C24 15.3 16.8 18.8 20.8 22.8 17.1 19.1 21.1 23.3 25.6 40 50 55 55 80 5 5 5 5 5 0.1 0.1 0.1 0.1 0.1 2 2 2 2 2 12 14 15 17 18 24 21 20 18 16 BZX55C27RL BZX55C30RL BZX55C33RL BZX55C36RL BZX55C39RL 55C27 55C30 55C33 55C36 55C39 25.1 28 31 34 37 28.9 32 35 38 41 80 80 80 80 90 5 5 5 5 2.5 0.1 0.1 0.1 0.1 0.1 2 2 2 2 5 20 22 24 27 28 14 13 12 11 10 BZX55C43RL BZX55C47RL BZX55C51RL BZX55C56RL BZX55C62RL 55C43 55C47 55C51 55C56 55C62 40 44 48 52 58 46 50 54 60 66 90 110 125 135 150 2.5 2.5 2.5 2.5 2.5 0.1 0.1 0.1 0.1 0.1 5 5 10 10 10 32 35 38 42 47 9.2 8.5 7.8 7 6.4 BZX55C68RL BZX55C75RL BZX55C82RL BZX55C91RL 55C68 55C75 55C82 55C91 64 70 77 85 72 80 87 96 160 170 200 250 2.5 2.5 2.5 1 0.1 0.1 0.1 0.1 10 10 10 10 51 56 62 69 5.9 5.3 4.8 4.3 Device IZT (mA) Tamb 255C Max Tamb 1255C Max VR (V) IZM (mA) (Note 3) 2. TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation − the type numbers listed have zener voltage min/max limits as shown. Device tolerance of ±2% are indicated by a “B” instead of a “C”. Zener voltage is measured with the device junction in thermal equilibrium at the lead temperature of 30°C ±1°C and 3/8″ lead length. 3. This data was calculated using nominal voltages. The maximum current handling capability on a worst case basis is limited by the actual zener voltage at the operating point and the powered derating curve. 4. 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 = 1.0 kHz. http://onsemi.com 3 BZX55C2V4RL Series PD, STEADY STATE POWER DISSIPATION (WATTS) 0.7 HEAT SINKS 0.6 0.5 0.4 3/8" 3/8" 0.3 0.2 0.1 0 0 20 40 60 80 100 120 140 160 TL, LEAD TEMPERATURE (°C) Figure 1. Steady State Power Derating http://onsemi.com 4 180 200 BZX55C2V4RL Series θ JL , JUNCTION-TO-LEAD THERMAL RESISTANCE (°C/W) APPLICATION NOTE — ZENER VOLTAGE Since the actual voltage available from a given zener diode is temperature dependent, it is necessary to determine junction temperature under any set of operating conditions in order to calculate its value. The following procedure is recommended: Lead Temperature, TL, should be determined from: TL = θLAPD + TA. θLA is the lead-to-ambient thermal resistance (°C/W) and PD is the power dissipation. The value for θLA will vary and depends on the device mounting method. θLA is generally 30 to 40°C/W for the various clips and tie points in common use and for printed circuit board wiring. The temperature of the lead can also be measured using a thermocouple placed on the lead as close as possible to the tie point. The thermal mass connected to the tie point is normally large enough so that it will not significantly respond to heat surges generated in the diode as a result of pulsed operation once steady-state conditions are achieved. Using the measured value of TL, the junction temperature may be determined by: 500 400 L L 300 2.4−60V 200 62−200V 100 0 0 0.2 0.4 0.6 0.8 1 L, LEAD LENGTH TO HEAT SINK (INCH) Figure 2. Typical Thermal Resistance 1000 7000 5000 TYPICAL LEAKAGE CURRENT AT 80% OF NOMINAL BREAKDOWN VOLTAGE 2000 TJ = TL + ΔTJL. 1000 700 500 ΔTJL is the increase in junction temperature above the lead temperature and may be found from Figure 2 for dc power: 200 ΔTJL = θJLPD. 100 70 50 I R , LEAKAGE CURRENT ( μ A) For worst-case design, using expected limits of IZ, limits of PD and the extremes of TJ(ΔTJ) may be estimated. Changes in voltage, VZ, can then be found from: ΔV = θVZTJ. θVZ, the zener voltage temperature coefficient, is found from Figures 4 and 5. Under high power-pulse operation, the zener voltage will vary with time and may also be affected significantly by the zener resistance. For best regulation, keep current excursions as low as possible. Surge limitations are given in Figure 7. They are lower than would be expected by considering only junction temperature, as current crowding effects cause temperatures to be extremely high in small spots, resulting in device degradation should the limits of Figure 7 be exceeded. 20 10 7 5 2 1 0.7 0.5 +125°C 0.2 0.1 0.07 0.05 0.02 0.01 0.007 0.005 +25°C 0.002 0.001 3 4 5 6 7 8 9 10 11 12 13 VZ, NOMINAL ZENER VOLTAGE (VOLTS) Figure 3. Typical Leakage Current http://onsemi.com 5 14 15 BZX55C2V4RL Series TEMPERATURE COEFFICIENTS θVZ , TEMPERATURE COEFFICIENT (mV/ °C) θVZ , TEMPERATURE COEFFICIENT (mV/ °C) (−55°C to +150°C temperature range; 90% of the units are in the ranges indicated.) +12 +10 +8 +6 +4 +2 RANGE VZ@IZT (NOTE 2) 0 −2 −4 2 3 4 5 6 7 8 9 VZ, ZENER VOLTAGE (VOLTS) 10 11 12 100 70 50 30 20 3 2 1 10 200 180 160 140 VZ@IZT (NOTE 2) 100 120 130 140 150 160 170 180 190 20 +2 20mA 0 0.01mA 1mA NOTE: BELOW 3 VOLTS AND ABOVE 8 VOLTS NOTE: CHANGES IN ZENER CURRENT DO NOT NOTE: AFFECT TEMPERATURE COEFFICIENTS −2 −4 3 200 4 C, CAPACITANCE (pF) C, CAPACITANCE (pF) 100 70 50 200 1V BIAS 20 10 50% OF VZBIAS 5 7 8 TA=25°C 0 BIAS 30 20 1VOLTBIAS 10 7 5 50% OF VZBIAS 3 2 2 1 6 Figure 5. Effect of Zener Current 0V BIAS 50 5 VZ, ZENER VOLTAGE (VOLTS) TA=25°C 100 100 VZ@IZ TA=25°C +4 Figure 4c. Range for Units 120 to 200 Volts 500 70 +6 VZ, ZENER VOLTAGE (VOLTS) 1000 30 50 VZ, ZENER VOLTAGE (VOLTS) Figure 4b. Range for Units 12 to 100 Volts θVZ , TEMPERATURE COEFFICIENT (mV/ °C) θVZ , TEMPERATURE COEFFICIENT (mV/ °C) Figure 4a. Range for Units to 12 Volts 120 VZ@IZ(NOTE 2) RANGE 10 7 5 1 1 2 5 10 20 50 100 120 VZ, ZENER VOLTAGE (VOLTS) 140 160 180 190 200 220 VZ, ZENER VOLTAGE (VOLTS) Figure 6a. Typical Capacitance 2.4−100 Volts Figure 6b. Typical Capacitance 120−200 Volts http://onsemi.com 6 Ppk , PEAK SURGE POWER (WATTS) BZX55C2V4RL Series 100 70 50 RECTANGULAR WAVEFORM TJ=25°C PRIOR TO INITIAL PULSE 11V−91V NONREPETITIVE 5% DUTY CYCLE 30 1.8V−10V NONREPETITIVE 20 10 7 5 10% DUTY CYCLE 20% DUTY CYCLE 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 PW, PULSE WIDTH (ms) Figure 7a. Maximum Surge Power 1.8−91 Volts 1000 500 RECTANGULAR WAVEFORM, TJ=25°C ZZ , DYNAMIC IMPEDANCE (OHMS) Ppk , PEAK SURGE POWER (WATTS) 1000 700 500 300 200 200 47V 100 100 70 50 30 20 100−200VOLTS NONREPETITIVE 10 7 5 3 2 1 0.01 0.1 1 10 100 27V 50 20 6.2V 10 5 2 1 1000 0.1 0.2 0.5 PW, PULSE WIDTH (ms) 5mA 20 20mA 1000 50 100 50 20 75°C 10 25°C 5 150°C 0°C 2 2 20 100 2 1 10 200 10 7 5 1 5 MAXIMUM MINIMUM 500 I F , FORWARD CURRENT (mA) ZZ , DYNAMIC IMPEDANCE (OHMS) 100 70 50 2 Figure 8. Effect of Zener Current on Zener Impedance TJ=25°C iZ(rms)=0.1 IZ(dc) f=60Hz IZ=1mA 200 1 IZ, ZENER CURRENT (mA) Figure 7b. Maximum Surge Power DO-204AH 100−200 Volts 1000 700 500 TJ=25°C iZ(rms)=0.1 IZ(dc) f=60Hz VZ=2.7V 3 5 7 10 20 30 50 70 100 1 0.4 VZ, ZENER VOLTAGE (VOLTS) 0.5 0.6 0.7 0.8 0.9 1 VF, FORWARD VOLTAGE (VOLTS) Figure 9. Effect of Zener Voltage on Zener Impedance http://onsemi.com 7 Figure 10. Typical Forward Characteristics 1.1 BZX55C2V4RL Series 20 10 I Z , ZENER CURRENT (mA) TA=25° 1 0.1 0.01 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 29 30 VZ, ZENER VOLTAGE (VOLTS) Figure 11. Zener Voltage versus Zener Current — VZ = 1 thru 16 Volts 10 I Z , ZENER CURRENT (mA) TA=25° 1 0.1 0.01 15 16 17 18 19 20 21 22 23 24 25 26 27 28 VZ, ZENER VOLTAGE (VOLTS) Figure 12. Zener Voltage versus Zener Current — VZ = 15 thru 30 Volts http://onsemi.com 8 BZX55C2V4RL Series I Z , ZENER CURRENT (mA) 10 TA=25° 1 0.1 0.01 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 105 250 260 VZ, ZENER VOLTAGE (VOLTS) Figure 13. Zener Voltage versus Zener Current — VZ = 30 thru 105 Volts I Z , ZENER CURRENT (mA) 10 1 0.1 0.01 110 120 130 140 150 160 170 180 190 200 210 220 230 240 VZ, ZENER VOLTAGE (VOLTS) Figure 14. Zener Voltage versus Zener Current — VZ = 110 thru 220 Volts http://onsemi.com 9 BZX55C2V4RL Series OUTLINE DIMENSIONS Zener Voltage Regulators − Axial Leaded 500 mW DO−35 Glass GLASS DO−35/D0−204AH CASE 299−02 ISSUE A NOTES: 1. PACKAGE CONTOUR OPTIONAL WITHIN A AND B HEAT SLUGS, IF ANY, SHALL BE INCLUDED WITHIN THIS CYLINDER, BUT NOT SUBJECT TO THE MINIMUM LIMIT OF B. 2. LEAD DIAMETER NOT CONTROLLED IN ZONE F TO ALLOW FOR FLASH, LEAD FINISH BUILDUP AND MINOR IRREGULARITIES OTHER THAN HEAT SLUGS. 3. POLARITY DENOTED BY CATHODE BAND. 4. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. B D K F A DIM A B D F K F K MILLIMETERS MIN MAX 3.05 5.08 1.52 2.29 0.46 0.56 −−− 1.27 25.40 38.10 INCHES MIN MAX 0.120 0.200 0.060 0.090 0.018 0.022 −−− 0.050 1.000 1.500 All JEDEC dimensions and notes apply. ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. “Typical” parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. 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