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| 1KSMB Datasheet, PDF (1/5 Pages) Littelfuse – Transient Voltage Suppression Diodes | |||
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Transient Voltage Suppression Diodes
Surface Mount â 1000W
RoHS 1KSMB Series
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power Dissipation at
(TFAi=g2.15)º(CNobtye110)x, 1(N00o0teμs2)waveform
PPPM
1000
W
Power Dissipation on inï¬nite heat
sink at TA=50OC
PM(AV)
5.0
W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3)
IFSM
100
A
Maximum Instantaneous Forward
Voltage at 50A for Unidirectional
only (Note 4)
VF
3.5V/5.0 V
Operating Junction and Storage
Temperature Range
TJ, TSTG -65 to 150 °C
Typical Thermal Resistance Junction
to Lead
RuJL
20
°C/W
Typical Thermal Resistance Junction
to Ambient
RuJA
100 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above TA = 25OC per Fig. 2.
.PVOUFEPODPQQFSQBEBSFBPGYw YNN
UPFBDIUFSNJOBM
3. Measured on 8.3ms single half sine wave or equivalent square wave for unidirectional
device only, duty cycle=4 per minute maximum.
4. VF<3.5V for VBR<_ 50V and VF<5.0V for VBR >_ 51V.
Description
The 1KSMB series is designed speciï¬cally to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
t 3P)4DPNQMJBOU
t 'PSTVSGBDFNPVOUFE
applications to optimize
board space
t -PXQSPmMFQBDLBHF
t #VJMUJOTUSBJOSFMJFG
t 5ZQJDBMNBYJNVN
temperature coefï¬cient
ΠVBR = 0.1% à VBR@25°C
t (MBTTQBTTJWBUFEDIJQ
KVODUJPO
t 8QFBLQVMTFQPXFS
capability at 10Ã1000μs
waveform, repetition rate
(duty cycles):0.01%
t 'BTUSFTQPOTFUJNF
typically less than 1.0ps
from 0V to BV min
t &YDFMMFOUDMBNQJOH
capability
t -PXJODSFNFOUBMTVSHF
resistance
t 5ZQJDBM*R less than 1μA
above 12V
t )JHI5FNQFSBUVSF
soldering guaranteed:
260°C/40 seconds at
terminals
t 1MBTUJDQBDLBHFIBT
Underwriters Laboratory
Flammability 94V-O
t .BUUF5JO-FBEoGSFF
Plated
t "WBJMBCMFJOCSFBLEPXO
Voltage from 6.8V
to 160V specially
designed for automotive
applications
t 0GGFST)JHI4VSHFSBUJOH
in compact package:
bridges the gap between
600W and 1.5KW
Applications
TVS devices are ideal for the protection of I/O Interfaces,
VCC bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic applications.
1KSMB Series
25
Speciï¬cations are subject to change without notice.
www.littelfuse.com
©2007 Littelfuse
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