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Solid State Devices, Inc.
14830 Valley View Blvd * La Mirada, Ca 90638 Phone: (562) 404-7855 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com
ST500A7.5 thru ST500A270 500 W Transient Voltage Suppressor 7.5 - 510 VOLTS
DESIGNER'S DATA SHEET
FEATURES:
* * * * * * Hermetically Sealed in Glass High Peak Transient Power 500 W Can Be Used as a 5 W Zener Available in Axial, Surface Mount, and Ministud Configurations TX, TXV, and Space Level Screening Available Higher Voltages Available
A 9.6 SMS TX
Axial
Part Number / Ordering Information 1/ ST500
Screening 2/ __ = Not Screened TX = TX Level TXV = TXV Level S = S Level Package: 3/ = Axial SMS = Square Tab V = Isolated Ministud C = Ministud Voltage: 9.6 = 9.6V Tolerance A = 10% B=5%
DIM A B C D MIN -- -- 0.047" 1.0" MAX 0.178" 0.200" 0.053" --
SMS
DIM A B C D
MIN 0.172" -- 0.023" 0.002"
MAX 0.180" 0.250" 0.027" --
Maximum Ratings
Peak pulse power dissipation with a 10/1000 s waveform Steady State Power Dissipation Axial Lead : TL=25C, L=3/8" SMS & Ministud: TC or TE = 75 C Operating and Storage Temp.
Maximum Forward Voltage Drop IF = 1.0 Apk, TA = 25 C, pulsed Thermal Resistance, Junction to Lead L=3/8"
Symbol
PPPM PD Top & Tstg VF JL RJE RJC
Value Units
500 5.0 -65 to +175 1.2 25 8 W W C V C/W C/W
Isolated Ministud
Ministud
Thermal Resistance,
Junction to End Cap Junction to Case
NOTE: All specifications are subject to change without notification. SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: T00023B
DOC
Solid State Devices, Inc.
14830 Valley View Blvd * La Mirada, CA 90638 Phone: (562) 404-7855 * Fax: (562) 404-1773 ssdi@ssdi-power.com * www.ssdi-power.com
ST500A7.5 thru ST500A270
Typical Impedance 10% AC modulation
ZZ @ IZT Ohms 0.7 0.8 0.9 1.0 1.1 1.1 1.2 1.2 1.3 1.3 1.5 1.6 1.8 2.5 4.0 5.0 6.0 7.0 10 12 14 18 20 22 25 30 40 45 65 90 100 150 180 210 250 350 450 600
Electrical Characteristics @ 25 C
Nominal Zener Voltage
VZ @ IZT 4/
Nom A
Zener Test Current
IZT B mA 175 150 150 125 125 100 100 75 75 65 65 50 50 50 40 40 30 30 35 25 25 20 20 20 20 15 15 12 12 10 10 8.0 8.0 5.0 5.0 5.0 5.0 5.0
Maximum Reverse Current @ Standoff Voltage
IR @ VR A 3000 2400 100 40 30 20 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 Standoff Voltage V 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 91 100 110 120 130 150 160 180 200 220
Typical Temperature Coefficient
TC @ IZT % / C 0.07 0.08 0.08 0.09 0.10 0.10 0.10 0.10 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.11 0.12 0.12 0.12 0.12 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13 0.13
Maximum Clamping Voltage
10 / 1000 s waveform ICL Amps 44.2 40.6 37.6 34.0 31.8 29.4 26.4 23.9 21.8 19.5 17.6 16.1 14.8 13.1 11.8 10.8 10.0 9.2 8.2 7.6 7.0 6.3 5.8 5.3 4.8 4.3 3.9 3.6 3.3 3.0 2.7 2,4 2.2 2.0 1.8 1.6 1.5 1.3
Vcl @ ICL V 11.3 12.3 13.3 14.8 15.7 17.0 18.9 20.9 22.9 25.6 28.4 31.0 33.8 38.1 42.2 46.2 50.1 54.1 60.7 65.5 70.8 78.6 86.5 94.4 103.5 114 126 139 152 167 185 204 224 249 276 305 336 380
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 91 100 110 120 130 150 160 180 200 220 240 270
10%
5%
10%
5%
10%
5%
10%
5%
10%
5%
10%
5%
10%
5%
10%
5%
NOTES: 1 Consult factory for parts ordering information 2 Screening Levels per MIL-PRF-19500, X-Ray shall be performed in lieu of Precap Inspection 3 Consult factory for package outline 4 Pulsed @ 300s nominal, other pulse widths will provide different results due to self heating
NOTE: All specifications are subject to change without notification. SCD's for these devices should be reviewed by SSDI prior to release.
DATA SHEET #: T00023B
DOC

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