Transient Voltage Suppression Diodes
Description
SA Series
TVS Diodes
Axial Leaded – 500W > SA series
RoHS
Pb e3
Bi-directional
Uni-directional
Agency Approvals
Agency
Agency File Number E230531
Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power Dissipation by 10/1000μs Test Waveform (Fig.
2)(Note 1)
PPPM
500
W
Steady State Power Dissipation on Infinite Heat Sink at TL=75ºC
PD
3.
0
W
Peak Forward Surge Current, 8.
3ms Single Half Sine Wave Unidirectional Only (Note 2)
IFSM
70
A
Maximum Instantaneous Forward Voltage at 35A for Unidirectional Only
VF
3.
5
V
Operating Junction and Storage Temperature Range
TJ, TSTG
-65 to 175
°C
Typical Thermal Resistance Junction to Lead
RθJL
Typical Thermal Resistance Junction to Ambient RθJA
20 °C/W 75 °C/W
Notes: 1.
Non-repetitive current pulse , per Fig.
4 and derated above TJ (initial) =25OC per Fig.
3.
2.
Measured on 8.
3ms single half sine wave or equivalent square wave, duty cycle=4 per minute maximum.
Functional Diagram
Description
The SA Series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
Features
• 500W peak pulse capability at 10/1000μs waveform, repetition rate (duty cycles):0.
01%
• VBR @ TJ= VBR@25°C x (1+αT x (TJ - 25)) (αT:Temperature Coefficient, typical value is 0.
1%)
• Glass passivated chip junction in DO-15 Package
• Fast response time: typically less than 1.
0ps from 0 Volts to BV min
• Excellent clamping capability
• Typical failure mode is short from over-specified voltage or current
• Whisker test is conducted based on JEDEC JESD201A per its table 4a and 4c
• IEC-61000-4-2 ESD 30kV(Air), 30kV (Contact)
• ESD protection of data lines in accordance with IEC 61000-4-2
• EFT protection of data lines in accordance with IEC 61000-4-4
• Low incremental surge resistance
• Typical IR less than 1μA when VBR max>13V
• High temperature to reflow soldering guara...
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