1KSMB6.8A Datasheet, PDF (1/5 Pages) Littelfuse – Transient Voltage Suppression Diodes

Transient Voltage Suppression Diodes
Surface Mount – 1000W > 1KSMB series
RoHS _{1KSMB Series}
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E128662
Maximum Ratings and Thermal Characteristics
(T_A=25^OC unless otherwise noted)
Parameter
Symbol Value Unit
Peak Pulse Power Dissipation at
(TF^Ai=g2.15)º(CNobtye
10x1000μs waveform
1), (Note 2)
P_PPM
1000
W
Power Dissipation on infinite heat
sink at T_A=50^OC
P_M(AV)
5.0
W
Peak Forward Surge Current, 8.3ms
Single Half Sine Wave (Note 3)
I_FSM
100
A
Maximum Instantaneous Forward
Voltage at 50A for Unidirectional
only (Note 4)
V_F
3.5V/5.0 V
Operating Junction and Storage
Temperature Range
T_J, T_STG -65 to 150 °C
Typical Thermal Resistance Junction
to Lead
R_uJL
20
°C/W
Typical Thermal Resistance Junction
to Ambient
R_uJA
100 °C/W
Notes:
1. Non-repetitive current pulse , per Fig. 3 and derated above T_A = 25^OC per Fig. 2.
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.
4. V_F<3.5V for V_BR<_ 50V and V_F<5.0V for V_BR >_ 51V.
Description
The 1KSMB series is designed specifically to protect
sensitive electronic equipment from voltage transients
induced by lightning and other transient voltage events.
Features
t
)BMPHFO'SFF
t
-PX
JODSFNFOUBM
TVSHF

t
3P)4
DPNQMJBOU
resistance
t
'PS
TVSGBDF
NPVOUFE

applications to optimize
t
5ZQJDBM
*_R less than 1μA
above 12V
board space
t
)JHI
5FNQFSBUVSF

t
-PX
QSPmMF
QBDLBHF
soldering guaranteed:
t
#VJMUJO
TUSBJO
SFMJFG
260°C/40 seconds at
terminals
t
5ZQJDBM
NBYJNVN

temperature coefficient ^{t
1MBTUJD
QBDLBHF
IBT}

ΔV_BR = 0.1% x V_BR@25°C x ΔT
Underwriters Laboratory
Flammability 94V-O
t
(MBTT
QBTTJWBUFE
DIJQ

junction
t
.BUUF
5JO
-FBEoGSFF
1MBUFE
t
8
QFBL
QVMTF
QPXFS

capability at 10×1000μs
waveform, repetition rate
(duty cycles):0.01%
t
"WBJMBCMF
JO
CSFBLEPXO

Voltage from 6.8V to 160V
specially designed for
automotive applications
t
'BTU
SFTQPOTF
UJNF

typically less than 1.0ps
from 0V to BV min
t
&YDFMMFOU
DMBNQJOH

t
0GGFST
)JHI4VSHF
SBUJOH
JO

compact package: bridges
the gap between 600W
and 1.5KW
capability
Applications
TVS devices are ideal for the protection of I/O Interfaces,
V_CC bus and other vulnerable circuits used in Telecom,
Computer, Industrial and Consumer electronic applications.
©2009 Littelfuse, Inc.
Specifications are subject to change without notice.
Please refer to http://www.Littelfuse.com/series/1KSMB.html for current information.
35
Revision: January 09, 2009
1KSMB Series