Transient Voltage Suppression Diodes
Transient Voltage Suppression Diodes
Surface Mount – 1000W > 1KSMB series
1KSMB Series
RoHS
Pb e3
Uni-directional
Bi...
Description
Transient Voltage Suppression Diodes
Surface Mount – 1000W > 1KSMB series
1KSMB Series
RoHS
Pb e3
Uni-directional
Bi-directional
Agency Approvals
AGENCY
AGENCY FILE NUMBER E230531
Maximum Ratings and Thermal Characteristics (TA=25OC unless otherwise noted)
Parameter
Symbol
Peak Pulse Power Dissipation at
(TFAi=g2.25)º(NCobtye
10/1000µs Waveform 1), (Note 2)
Power Dissipation on Infinite Heat Sink at TL=50OC Peak Forward Surge Current, 8.3ms Single Half Sine Wave (Note 3) Maximum Instantaneous Forward Voltage at 50A for Unidirectional Only Operating Temperature Range
Storage Temperature Range
Typical Thermal Resistance Junction to Lead
PPPM
PD IFSM
VF TJ TSTG RθJL
Typical Thermal Resistance Junction to Ambient
RθJA
Value 1000
5.0 120
3.5 -65 to 150 -65 to 175
20 100
Unit W
W A
V °C °C
°C/W
°C/W
Notes: 1. Non-repetitive current pulse , per Fig. 4 and derated above TJ (initial) =25OC per Fig. 3.
2. Mounted on copper pad area of 0.2x0.2” (5.0 x 5.0mm) to each terminal.
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional device only, duty cycle=4 per minute maximum.
Functional Diagram
Cathode
Bi-directional Uni-directional
Anode
Description
The 1KSMB series is designed specifically to protect sensitive electronic equipment from voltage transients induced by lightning and other transient voltage events.
Features
1000W peak pulse power capability at 10/1000μs waveform, repetition rate (duty cycles):0.01%
For surfac...
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