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MOTOROLA
SEMICONDUCTOR
TECHNICAL DATA
1 to 3 Watt DO-41 Surmetic 30 Zener Voltage Regulator Diodes
GENERAL DATA APPLICABLE TO ALL SERIES IN THIS GROUP
1N5913B SERIES
1-3 WATT DO-41 SURMETIC 30
1 TO 3 WATT ZENER REGULATOR DIODES 3.3-400 VOLTS
1 to 3 Watt Surmetic 30 Silicon Zener Diodes
. . . a complete series of 1 to 3 Watt Zener Diodes with limits and operating characteristics that reflect the superior capabilities of silicon-oxide-passivated junctions. All this in an axial-lead, transfer-molded plastic package offering protection in all common environmental conditions. Specification Features: * Surge Rating of 98 Watts @ 1 ms * Maximum Limits Guaranteed On Up To Six Electrical Parameters * Package No Larger Than the Conventional 1 Watt Package Mechanical Characteristics: CASE: Void-free, transfer-molded, thermosetting plastic FINISH: All external surfaces are corrosion resistant and leads are readily solderable POLARITY: Cathode indicated by color band. When operated in zener mode, cathode will be positive with respect to anode MOUNTING POSITION: Any WEIGHT: 0.4 gram (approx) WAFER FAB LOCATION: Phoenix, Arizona ASSEMBLY/TEST LOCATION: Seoul, Korea MAXIMUM RATINGS
Rating DC Power Dissipation @ TL = 75C Lead Length = 3/8 Derate above 75C DC Power Dissipation @ TA = 50C Derate above 50C Operating and Storage Junction Temperature Range 5 PD, MAXIMUM DISSIPATION (WATTS) L = 1/8 4 L = 3/8 3 L = LEAD LENGTH TO HEAT SINK Symbol PD
CASE 59-03 DO-41 PLASTIC
Value 3 24
Unit Watts mW/C Watt mW/C C
PD TJ, Tstg
1 6.67 - 65 to +200
2
L = 1
1
0
0
20
40
60 80 100 120 140 160 TL, LEAD TEMPERATURE (C)
180
200
Figure 1. Power Temperature Derating Curve
Motorola TVS/Zener Device Data
500 mW DO-35 Glass Data Sheet 6-1
GENERAL DATA -- 500 mW DO-35 GLASS
*MAXIMUM RATINGS
Rating DC Power Dissipation @ TL = 75C, Lead Length = 3/8 Derate above 75C Symbol PD Value 1.5 12 Unit Watts mW/C
*ELECTRICAL CHARACTERISTICS (TL = 30C unless otherwise noted. VF = 1.5 Volts Max @ lF = 200 mAdc for all types.)
Motorola Type Number (Note 1) 1N5913B 1N5914B 1N5917B 1N5919B 1N5920B 1N5921B 1N5923B 1N5924B 1N5925B 1N5927B 1N5929B 1N5930B 1N5931B 1N5932B 1N5933B 1N5934B 1N5935B 1N5936B 1N5937B 1N5938B 1N5940B 1N5941B 1N5942B 1N5943B 1N5944B 1N5945B 1N5946B 1N5947B 1N5948B 1N5950B 1N5951B 1N5952B 1N5953B 1N5954B 1N5955B 1N5956B Nominal Zener Voltage VZ @ IZT Volts (Note 2 and 3) 3.3 3.6 4.7 5.6 6.2 6.8 8.2 9.1 10 12 15 16 18 20 22 24 27 30 33 36 43 47 51 56 62 68 75 82 91 110 120 130 150 160 180 200 Test Current IZT mA 113.6 104.2 79.8 66.9 60.5 55.1 45.7 41.2 37.5 31.2 25 23.4 20.8 18.7 17 15.6 13.9 12.5 11.4 10.4 8.7 8 7.3 6.7 6 5.5 5 4.6 4.1 3.4 3.1 2.9 2.5 2.3 2.1 1.9 Max. Zener Impedance (Note 4) ZZT @ IZT Ohms 10 9 5 2 2 2.5 3.5 4 4.5 6.5 9 10 12 14 17.5 19 23 26 33 38 53 67 70 86 100 120 140 160 200 300 380 450 600 700 900 1200 ZZK Ohms 500 500 500 250 200 200 400 500 500 550 600 600 650 650 650 700 700 750 800 850 950 1000 1100 1300 1500 1700 2000 2500 3000 4000 4500 5000 6000 6500 7000 8000 @ IZK mA 1 1 1 1 1 1 0.5 0.5 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 0.25 Max. Reverse Leakage Current IR A 100 75 5 5 5 5 5 5 5 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 @ VR Volts 1 1 1.5 3 4 5.2 6.5 7 8 9.1 11.4 12.2 13.7 15.2 16.7 18.2 20.6 22.8 25.1 27.4 32.7 35.8 38.8 42.6 47.1 51.7 56 62.2 69.2 83.6 91.2 98.8 114 121.6 136.8 152 Maximum DC Zener Current IZM mAdc 454 416 319 267 241 220 182 164 150 125 100 93 83 75 68 62 55 50 45 41 34 31 29 26 24 22 20 18 16 13 12 11 10 9 8 7
*Indicates JEDEC Registered Data. NOTE 1. TOLERANCE AND VOLTAGE DESIGNATION Tolerance designation -- Device tolerances of 5% are indicated by a "B" suffix. NOTE 3. ZENER VOLTAGE (VZ) MEASUREMENT Motorola guarantees the zener voltage when meausred at 90 seconds while maintaining the lead temperature (TL) at 30C 1C, 3/8 from the diode body. NOTE 4. ZENER IMPEDANCE (ZZ) DERIVATION NOTE 2. SPECIAL SELECTIONS AVAILABLE INCLUDE: Nominal zener voltages between those shown and 1% and 2% tight voltage tolerances. Consult factory. The zener impedance is derived from the 60 cycle ac voltage, which results when an ac current having an rms value equal to 10% of the dc zener current (IZT or IZK) is superimposed on IZT or IZK.
500 mW DO-35 Glass Data Sheet 6-2
Motorola TVS/Zener Device Data
GENERAL DATA -- 500 mW DO-35 GLASS
JL (t, D) TRANSIENT THERMAL RESISTANCE JUNCTION-TO-LEAD (C/W)
30 20 10 7 5 3 2 1 0.7 0.5 D =0.5 0.2 0.1 0.05 0.02 0.01 D=0 0.0005 0.001 0.002 0.005 NOTE: BELOW 0.1 SECOND, THERMAL RESPONSE CURVE IS APPLICABLE TO ANY LEAD LENGTH (L). 0.01 0.02 0.05 t, TIME (SECONDS) 0.1 0.2 PPK t2 DUTY CYCLE, D =t1/t2 t1
SINGLE PULSE TJL = JL (t)PPK REPETITIVE PULSES TJL = JL (t,D)PPK 0.5 1 2 5 10
0.3 0.0001 0.0002
Figure 2. Typical Thermal Response L, Lead Length = 3/8 Inch
1K PPK , PEAK SURGE POWER (WATTS) 500 300 200 100 50 30 20 10 0.1 0.2 0.3 0.5 1 23 5 10 PW, PULSE WIDTH (ms) 20 30 50 100 RECTANGULAR NONREPETITIVE WAVEFORM TJ = 25C PRIOR TO INITIAL PULSE 3 2 1 0.5 0.2 0.1 0.05 0.02 0.01 0.005 0.002 0.001 0.0005 0.0003 TA = 125C
IR , REVERSE LEAKAGE ( Adc) @ VR AS SPECIFIED IN ELEC. CHAR. TABLE
TA = 125C
1
2
5
10 20 50 100 NOMINAL VZ (VOLTS)
200
400
1000
Figure 3. Maximum Surge Power
Figure 4. Typical Reverse Leakage
APPLICATION NOTE
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 = LA PD + TA LA is the lead-to-ambient thermal resistance (C/W) and PD is the power dissipation. The value for LA will vary and depends on the device mounting method. LA is generally 30-40C/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: TJ = TL + TJL Motorola TVS/Zener Device Data TJL is the increase in junction temperature above the lead temperature and may be found from Figure 2 for a train of power pulses (L = 3/8 inch) or from Figure 10 for dc power. TJL = JL PD For worst-case design, using expected limits of IZ, limits of PD and the extremes of TJ (TJ) may be estimated. Changes in voltage, VZ, can then be found from: V = VZ TJ VZ, the zener voltage temperature coefficient, is found from Figures 5 and 6. 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. Data of Figure 2 should not be used to compute surge capability. Surge limitations are given in Figure 3. 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 3 be exceeded. 500 mW DO-35 Glass Data Sheet 6-3
GENERAL DATA -- 500 mW DO-35 GLASS
TEMPERATURE COEFFICIENT RANGES
(90% of the Units are in the Ranges Indicated)
VZ, TEMPERATURE COEFFICIENT (mV/ C) @ I ZT 10 8 6 4 2 0 -2 -4 3 4 5 6 7 8 9 10 VZ, ZENER VOLTAGE @ IZT (VOLTS) 11 12 RANGE VZ, TEMPERATURE COEFFICIENT (mV/ C) @ I ZT 1000 500
200 100 50
20 10 10 20 50 100 200 400 VZ, ZENER VOLTAGE @ IZT (VOLTS) 1000
Figure 5. Units To 12 Volts
Figure 6. Units 10 To 400 Volts
ZENER VOLTAGE versus ZENER CURRENT
(Figures 7, 8 and 9)
100 50 30 20 10 5 3 2 1 0.5 0.3 0.2 0.1 0 1 2 3 4 5 6 7 VZ, ZENER VOLTAGE (VOLTS) 8 9 10 100 50 30 20 10 5 3 2 1 0.5 0.3 0.2 0.1 0 10 20 30 40 50 60 70 80 VZ, ZENER VOLTAGE (VOLTS) 90 100
IZ, ZENER CURRENT (mA)
Figure 7. VZ = 3.3 thru 10 Volts
JL, JUNCTION-TO-LEAD THERMAL RESISTANCE ( C/W) 10 5 IZ , ZENER CURRENT (mA) 80 70 60 50 40 30 20 10 0 0 1/8
IZ , ZENER CURRENT (mA)
Figure 8. VZ = 12 thru 82 Volts
2 1 0.5
L
L
TL PRIMARY PATH OF CONDUCTION IS THROUGH THE CATHODE LEAD 1/4 3/8 1/2 5/8 3/4 L, LEAD LENGTH TO HEAT SINK (INCH) 7/8 1
0.2 0.1 100 150 200 250 300 350 VZ, ZENER VOLTAGE (VOLTS) 400
Figure 9. VZ = 100 thru 400 Volts
Figure 10. Typical Thermal Resistance
500 mW DO-35 Glass Data Sheet 6-4
Motorola TVS/Zener Device Data
GENERAL DATA -- 500 mW DO-35 GLASS
Zener Voltage Regulator Diodes -- Axial Leaded
1-3 Watt DO-41 Surmetic 30
B
NOTES: 1. ALL RULES AND NOTES ASSOCIATED WITH JEDEC DO-41 OUTLINE SHALL APPLY. 2. POLARITY DENOTED BY CATHODE BAND. 3. LEAD DIAMETER NOT CONTROLLED WITHIN F DIMENSION. MILLIMETERS MIN MAX 4.07 5.20 2.04 2.71 0.71 0.86 -- 1.27 27.94 -- INCHES MIN MAX 0.160 0.205 0.080 0.107 0.028 0.034 -- 0.050 1.100 --
K F
D
A F K
DIM A B D F K
CASE 59-03 DO-41 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 Ammo Type No. Suffix RL TA MPQ (Units) 6K 4K
(Refer to Section 10 for more information on Packaging Specifications.)
Motorola TVS/Zener Device Data
500 mW DO-35 Glass Data Sheet 6-5

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