Product Design Guide - Diodes, Inc.
Product Design Guide - Diodes, Inc.
Product Design Guide - Diodes, Inc.
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Discrete Semiconductors<br />
Thyristor Surge Protection Devices (TSPDs)<br />
<strong>Diodes</strong> <strong>Inc</strong>.’s surge protection device, TSPD, also known as a<br />
SIDAC, is offered in three surge rating series: 30A, 50A, and<br />
100A. In the compact SMB package, the TSPD offers<br />
transient protection by switching to a low-voltage-on-state<br />
when the breakover voltage is reached in either direction.<br />
TSPDs are breakover triggered crowbar protection devices<br />
that turn off when the surge current falls below the holding<br />
current value. TSPDs are designed to prevent damage to<br />
sensitive circuits from over voltage transients, and to meet<br />
various regulatory requirements such as GF1089-CORE,<br />
ITU-T-K20/21 and FCC Part 68.<br />
TSPD V-I Characteristics<br />
Part Number<br />
Rated<br />
Repetitive<br />
Off-State<br />
Voltage<br />
Surge<br />
Rating<br />
Off-State<br />
Leakage<br />
Current<br />
Breakover<br />
Voltage<br />
On-State<br />
Voltage<br />
Off-State<br />
Capacitance<br />
I DRM @<br />
V DRM I PP V BO V T @ I T = 1A I BO<br />
I H<br />
C O<br />
V DRM<br />
V A µA V V<br />
Breakover Current<br />
Min.<br />
(mA)<br />
Max.<br />
(mA)<br />
Holding Current<br />
Min.<br />
(mA)<br />
Max.<br />
(mA)<br />
pF<br />
30A Bidirectional Thyristor Surge Protection Devices / SMB<br />
TB0640L 58 30 5 77 3.5 50 800 150 800 100<br />
TB0720L 65 30 5 88 3.5 50 800 150 800 100<br />
TB0900L 75 30 5 98 3.5 50 800 150 800 100<br />
TB1100L 90 30 5 130 3.5 50 800 150 800 60<br />
TB1300L 120 30 5 160 3.5 50 800 150 800 60<br />
TB1500L 140 30 5 180 3.5 50 800 150 800 60<br />
TB1800L 160 30 5 220 3.5 50 800 150 800 60<br />
TB2300L 190 30 5 265 3.5 50 800 150 800 40<br />
TB2600L 220 30 5 300 3.5 50 800 150 800 40<br />
TB3100L 275 30 5 350 3.5 50 800 150 800 40<br />
TB3500L 320 30 5 400 3.5 50 800 150 800 40<br />
Waveform<br />
t r /t p<br />
Standard I pp (A)<br />
2/10 µs GR-1089-CORE 200<br />
8/20 µs IEC 61000-4-5 150<br />
10/160 µs FCC Part 68 100<br />
10/700 µs ITU-T, K20/21 60<br />
10/560 µs FCC Part 68 50<br />
10/1000 µs GR-1089-CORE 30<br />
All data is subject to change. Please check our data sheets at www.diodes.com for updates. Thyristor Surge Protection Devices (TSPDs) 14-9
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