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| MOTOROLA SEMICONDUCTOR TECHNICAL DATA Designer'sTM Data Sheet Surface Mount Silicon Zener Diodes Plastic SOD 123 Package * * * * * * Three complete series of Zener Diodes are offered in the convenient, surface mount plastic SOD-123 package. These devices provide a convenient alternative to the leadless 34 package style. 500 mW Rating on FR-4 or FR-5 Board Package Designed for Optimal Automated Board Assembly Corrosion Resistant Finish, Easily Solderable ESD Rating of Class 3 (exceeding 16 kV) per the Human Body Model Small Package Size for High Density Applications Available in 8 mm Tape and Reel Add "T1" to the device number to order the 7 inch / 3000 unit reel. Add "T3" to the device number to order the 13 inch / 10,000 unit reel. * Wafer Fab Location: Phoenix, Arizona Assembly/Test Location: Seremban, Malaysia MMSZ5221BT1 thru MMSZ5270BT1 MMSZ5221BT1 SERIES PLASTIC SURFACE MOUNT ZENER DIODES 500 MILLIWATTS 1.8 - 91 VOLTS 1 1: CATHODE 2: ANODE 2 * General Purpose, Medium Current * Wide Voltage Range -- 2.4 to 91 Volts CASE 425, STYLE 1 PLASTIC DEVICE RATING (TA = 25C unless otherwise noted) Rating Power Dissipation on FR-4 or FR-5 Board [1] Derate above TL = 75C Thermal Resistance Junction to Lead [2] Thermal Resistance Junction to Ambient [2] Junction Temperature Range Storage Temperature Range Lead Solder Temperature - Maximum (10 sec. duration) [1] FR-4 or FR-5 = 3.5 x 1.5 inches, using the Motorola minimum recommended footprint as shown in Figure 11. [2] Thermal Resistance measurement obtained via Infrared Scan Method Designer's Data for "Worst Case'' Conditions -- The Designer's Data Sheet permits the design of most circuits entirely from the information presented. Limit curves -- representing boundaries on device characteristics -- are given to facilitate "worst case'' design. Designer's is a trademark of Motorola, Inc. Thermal Clad is a trademark of the Bergquist Company. Preferred devices are Motorola recommended choices for future use and best overall value. Symbol PD -- RJL RJA TJ Tstg -- Value 500 6.7 150 340 -55 to +150 -55 to +150 260 Unit mW mW/C C/W C C C Motorola TVS/Zener Device Data 500 mW Leadless (SOD-123) Data Sheet 7-1 MMSZ5221BT1 Series ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted [1]), (VF = 0.9 V Max. @ IF = 10 mA for all types) Zener Voltage VZ @ IZT Volts [1] [2] Type T Number Test Current IZT Max Reverse Leakage Current IR @ VR A 100 100 75 75 50 25 15 10 5 5 5 5 5 5 3 3 3 3 3 3 2 1 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 Max Zener Impedance [3] ZZT @ IZ = IZT 30 30 30 30 30 28 24 23 22 19 17 11 7 7 5 6 8 8 10 17 22 30 13 15 16 17 19 21 23 25 29 33 35 41 44 ZZK @ IZK = 0.25 mA 1200 1250 1300 1400 1600 1600 1700 1900 2000 1900 1600 1600 1600 1000 750 500 500 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 600 Test Voltage VR Volts 1 1 1 1 1 1 1 1 1 2 2 3 3.5 4 5 6 6.5 6.5 7 8 8.4 9.1 9.9 10 11 12 13 14 14 15 17 18 19 21 21 Marking M ki C1 C2 C3 C4 C5 D1 D2 D3 D4 D5 E1 E2 E3 E4 E5 F1 F2 F3 F4 F5 H1 H2 H3 H4 H5 J1 J2 J3 J4 J5 K1 K2 K3 K4 K5 Nom 2.4 2.5 2.7 2.8 3.0 3.3 3.6 3.9 4.3 4.7 5.1 5.6 6.0 6.2 6.8 7.5 8.2 8.7 9.1 10 11 12 13 14 15 16 17 18 19 20 22 24 25 27 28 Min 2.28 2.38 2.57 2.66 2.85 3.14 3.42 3.71 4.09 4.47 4.85 5.32 5.70 5.89 6.46 7.13 7.79 8.27 8.65 9.50 10.45 11.40 12.35 13.30 14.25 15.20 16.15 17.10 18.05 19.00 20.90 22.80 23.75 25.65 26.60 Max 2.52 2.63 2.84 2.94 3.15 3.47 3.78 4.10 4.52 4.94 5.36 5.88 6.30 6.51 7.14 7.88 8.61 9.14 9.56 10.50 11.55 12.60 13.65 14.70 15.75 16.80 17.85 18.90 19.95 21.00 23.10 25.20 26.25 28.35 29.40 mA 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 9.5 9.0 8.5 7.8 7.4 7.0 6.6 6.2 5.6 5.2 5.0 4.6 4.5 MMSZ5221BT1 MMSZ5222BT1 MMSZ5223BT1 MMSZ5224BT1 MMSZ5225BT1 MMSZ5226BT1 MMSZ5227BT1 MMSZ5228BT1 MMSZ5229BT1 MMSZ5230BT1 MMSZ5231BT1 MMSZ5232BT1 MMSZ5233BT1 MMSZ5234BT1 MMSZ5235BT1 MMSZ5236BT1 MMSZ5237BT1 MMSZ5238BT1 MMSZ5239BT1 MMSZ5240BT1 MMSZ5241BT1 MMSZ5242BT1 MMSZ5243BT1 MMSZ5244BT1 MMSZ5245BT1 MMSZ5246BT1 MMSZ5247BT1 MMSZ5248BT1 MMSZ5249BT1 MMSZ5250BT1 MMSZ5251BT1 MMSZ5252BT1 MMSZ5253BT1 MMSZ5254BT1 MMSZ5255BT1 [1] Nominal zener voltage is measured with the device junction in thermal equilibrium at T = 30C 1C. L [2] All part numbers shown indicate a V tolerance of 5%. Z [3] Z ZT 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 kHz. 500 mW Leadless (SOD-123) Data Sheet 7-2 Motorola TVS/Zener Device Data MMSZ5221BT1 Series ELECTRICAL CHARACTERISTICS (TA = 25C unless otherwise noted [1]), (VF = 0.9 V Max. @ IF = 10 mA for all types) Zener Voltage VZ @ IZT Volts [1] [2] Type T Number Test Current IZT Max Reverse Leakage Current IR @ VR A 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 Max Zener Impedance [3] ZZT @ IZ = IZT 49 58 70 80 93 105 125 150 170 185 230 270 330 370 400 ZZK @ IZK = 0.25 mA 600 700 700 800 900 1000 1100 1300 1400 1400 1600 1700 2000 2200 2300 Test Voltage VR Volts 23 25 27 30 33 36 39 43 46 47 52 56 62 68 69 Marking M ki M1 M2 M3 M4 M5 N1 N2 N3 N4 N5 P1 P2 P3 P4 P5 Nom 30 33 36 39 43 47 51 56 60 62 68 75 82 87 91 Min 28.50 31.35 34.20 37.05 40.85 44.65 48.45 53.20 57.00 58.90 64.60 71.25 77.90 82.65 86.45 Max 31.50 34.65 37.80 40.95 45.15 49.35 53.55 58.80 63.00 65.10 71.40 78.75 86.10 91.35 95.55 mA 4.2 3.8 3.4 3.2 3.0 2.7 2.5 2.2 2.1 2.0 1.8 1.7 1.5 1.4 1.4 MMSZ5256BT1 MMSZ5257BT1 MMSZ5258BT1 MMSZ5259BT1 MMSZ5260BT1 MMSZ5261BT1 MMSZ5262BT1 MMSZ5263BT1 MMSZ5264BT1 MMSZ5265BT1 MMSZ5266BT1 MMSZ5267BT1 MMSZ5268BT1 MMSZ5269BT1 MMSZ5270BT1 [1] Nominal zener voltage is measured with the device junction in thermal equilibrium at T = 30C 1C. L [2] All part numbers shown indicate a V tolerance of 5%. Z [3] Z 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 kHz. ZT Motorola TVS/Zener Device Data 500 mW Leadless (SOD-123) Data Sheet 7-3 MMSZ5221BT1 Series TYPICAL CHARACTERISTICS VZ, TEMPERATURE COEFFICIENT (mV/C) VZ, TEMPERATURE COEFFICIENT (mV/C) 8 7 6 5 4 3 2 1 0 -1 -2 -3 VZ @ IZT TYPICAL TC VALUES FOR MMSZ5221BT1 SERIES 100 TYPICAL TC VALUES FOR MMSZ5221BT1 SERIES VZ @ IZT 10 2 3 4 5 6 7 8 9 10 VZ, NOMINAL ZENER VOLTAGE (V) 11 12 1 10 VZ, NOMINAL ZENER VOLTAGE (V) 100 Figure 1. Temperature Coefficients (Temperature Range - 55C to +150C) Figure 2. Temperature Coefficients (Temperature Range - 55C to +150C) 1.2 P D, POWER DISSIPATION (WATTS) 1.0 0.8 0.6 0.4 0.2 0 PD versus TL PD versus TA 1000 Ppk , PEAK SURGE POWER (WATTS) RECTANGULAR WAVEFORM, TA = 25C 100 10 0 25 50 75 100 T, TEMPERATURE (C) 125 150 1 0.1 1 10 PW, PULSE WIDTH (ms) 100 1000 Figure 3. Steady State Power Derating Figure 4. Maximum Nonrepetitive Surge Power 1000 Z ZT, DYNAMIC IMPEDANCE ( ) TJ = 25C IZ(AC) = 0.1 IZ(DC) f = 1 kHz 1000 IF, FORWARD CURRENT (mA) 75 V (MMSZ5267BT1) 91 V (MMSZ5270BT1) 100 IZ = 1 mA 100 5 mA 20 mA 10 10 150C 1 1 10 VZ, NOMINAL ZENER VOLTAGE 100 1 0.4 0.5 75C 25C 0.6 0C 1.1 1.2 0.7 0.8 0.9 1.0 VF, FORWARD VOLTAGE (V) Figure 5. Effect of Zener Voltage on Zener Impedance Figure 6. Typical Forward Voltage 500 mW Leadless (SOD-123) Data Sheet 7-4 Motorola TVS/Zener Device Data MMSZ5221BT1 Series TYPICAL CHARACTERISTICS 1000 0 V BIAS 1 V BIAS C, CAPACITANCE (pF) 100 BIAS AT 50% OF VZ NOM 10 TA = 25C I R , LEAKAGE CURRENT ( A) 1000 100 10 1 0.1 0.01 0.001 + 25C - 55C 0 10 20 30 40 50 60 70 VZ, NOMINAL ZENER VOLTAGE (V) 80 90 +150C 0.0001 1 1 10 VZ, NOMINAL ZENER VOLTAGE (V) 100 0.00001 Figure 7. Typical Capacitance Figure 8. Typical Leakage Current 100 TA = 25C I Z , ZENER CURRENT (mA) I Z , ZENER CURRENT (mA) 10 100 TA = 25C 10 1 1 0.1 0.1 0.01 0 2 4 6 8 VZ, ZENER VOLTAGE (V) 10 12 0.01 10 30 50 70 VZ, ZENER VOLTAGE (V) 90 Figure 9. Zener Voltage versus Zener Current (VZ Up to 12 V) Figure 10. Zener Voltage versus Zener Current (12 V to 91 V) Motorola TVS/Zener Device Data 500 mW Leadless (SOD-123) Data Sheet 7-5 MMSZ5221BT1 Series INFORMATION FOR USING THE SOD-123 SURFACE MOUNT PACKAGE MINIMUM RECOMMENDED FOOTPRINTS FOR SURFACE MOUNT APPLICATIONS Surface mount board layout is a critical portion of the total design. The footprint for the semiconductor packages must be the correct size to ensure proper solder connection interface between the board and the package. The minimum recommended footprint for the SOD-123 is shown at the right. The SOD-123 package can be used on existing surface mount boards which have been designed for the leadless 34 package style. The footprint compatibility makes conversion from leadless 34 to SOD-123 straightforward. 0.91 0.036 2.36 0.093 4.19 0.165 Figure 11. Minimum Recommended Footprint SOD-123 POWER DISSIPATION The power dissipation of the SOD-123 is a function of the pad size. This can vary from the minimum pad size for soldering to a pad size given for maximum power dissipation. Power dissipation for a surface mount device is determined by TJ(max), the maximum rated junction temperature of the die, RJA, the thermal resistance from the device junction to ambient; and the operating temperature, TA. Using the values provided on the data sheet for the SOD-123 package, PD can be calculated as follows: TJ(max) - TA RJA ratings table on the data sheet. Substituting these values into the equation for an ambient temperature TA of 25C, one can calculate the power dissipation of the device which in this case is 0.37 watts. PD = 150C - 25C = 0.37 watts 340C/W PD = The values for the equation are found in the maximum The 340C/W for the SOD-123 package assumes using recommended footprint shown on FR-4 glass epoxy printed circuit board. Another alternative is to use a ceramic substrate or an aluminum core board such as Thermal CladTM. By using an aluminum core board material such as Thermal Clad, the power dissipation can be doubled using the same footprint. GENERAL SOLDERING PRECAUTIONS The melting temperature of solder is higher than the rated temperature of the device. When the entire device is heated to a high temperature, failure to complete soldering within a short time could result in device failure. Therefore, the following items should always be observed in order to minimize the thermal stress to which the devices are subjected. * Always preheat the device. * The delta temperature between the preheat and soldering should be 100C or less.* * When preheating and soldering, the temperature of the leads and the case must not exceed the maximum temperature ratings as shown on the data sheet. When using infrared heating with the reflow soldering method, the difference shall be a maximum of 10C. * The soldering temperature and time shall not exceed * When shifting from preheating to soldering, the maximum * After soldering has been completed, the device should be allowed to cool naturally for at least three minutes. Gradual cooling should be used as the use of forced cooling will increase the temperature gradient and result in latent failure due to mechanical stress. * Mechanical stress or shock should not be applied during cooling * Soldering a device without preheating can cause excessive thermal shock and stress which can result in damage to the device. temperature gradient shall be 5C or less. 260C for more than 10 seconds. 500 mW Leadless (SOD-123) Data Sheet 7-6 Motorola TVS/Zener Device Data EEEE EEEE EEEE EEEE EEEE 1.22 0.048 mm inches MMSZ5221BT1 Series Zener Voltage Regulator Diodes -- Surface Mounted 500 mW SOD-123 A H 1 K B 2.36 0.093 4.19 0.165 2 E J SOD-123 Footprint MILLIMETERS MIN MAX 1.40 1.80 2.55 2.85 0.95 1.35 0.50 0.70 0.25 -- 0.00 0.10 -- 0.15 3.55 3.85 INCHES MIN MAX 0.055 0.071 0.100 0.112 0.037 0.053 0.020 0.028 0.010 -- 0.000 0.004 -- 0.006 0.140 0.152 D NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: INCH. 3. 425-01 THRU -03 OBSOLETE, NEW STANDARD 425-04. DIM A B C D E H J K CASE 425 PLASTIC (Refer to Section 10 for Surface Mount, Thermal Data and Footprint Information.) MULTIPLE PACKAGE QUANTITY (MPQ) REQUIREMENTS Package Option Tape and Reel Tape and Reel Type No. Suffix T1(1) T3(2) MPQ (Units) 3K 10K NOTE: 1. The numbers on the suffixes indicate the following: NOTE: 1. 1. 7 Reel. Cathode lead toward sprocket hole. NOTE: 1. 2. 13 Reel. Cathode lead toward sprocket hole. (Refer to Section 10 for more information on Packaging Specifications.) Motorola TVS/Zener Device Data 500 mW Leadless (SOD-123) Data Sheet 7-7 EEEE EEEE EEEE EEEE STYLE 1: PIN 1. CATHODE 2. ANODE EEE EEE EEE EEE C 0.91 0.036 1.22 0.048 AAA AAA mm inches |
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