Littelfuse SMA6J Series - Manual (Page 2)

Transient Voltage Suppression Diodes
© 2014 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 01/20/14
Surface Mount – 600W > SMA6J series
I-V Curve Characteristics
Voltage Transients
Time
Voltage Across TVS
Current Through TVS
Voltage or Current
Figure 1 - TVS Transients Clamping Waveform
Ratings and Characteristic Curves
(T
A
=25°C unless otherwise noted)
Figure 2 - Peak Pulse Power Rating Curve
Vc V BR V R
I R
I T
I pp
V
Uni-directional
V F
P
PPM
Peak Pulse Power Dissipation -- Max power dissipation
V
R
Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
V
BR
Breakdown Voltage -- Maximum voltage that flows though the TVS at a specified test current (I
T
)
V
C
Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)
I
R
Reverse Leakage Current -- Current measured at V
R
V
F
Forward Voltage Drop for Uni-directional
continues on next page.
Electrical Characteristics
(T
A
=25°C unless otherwise noted)
Part
Number
(Uni)
Marking Reverse Stand
off Voltage V
R
(Volts)
Breakdown
Voltage V
BR
(Volts) @ I
T
Test
Current
I
T
(mA)
Maximum
Clamping
Voltage V
C
@ I
pp
(V)
Maximum
Peak
Pulse
Current I
pp
(A)
Maximum
Reverse
Leakage I
R
@ V
R
(µA)
Agency
Approval
UNI MIN MAX
SMA6J5.0A 6BA 5.0 6.40 7.00 10 9.2 65.3 800 X
SMA6J12A 6BE 12.0 13.30 14.70 1 19.9 30.2 1.0 X
0.1
1
10
100
0.000001 0.00001 0.0001 0.001
t
d
-Pulse Width (sec.)
0.2x0.2" (5.0x5.0mm)
Copper Pad Area
P PPM
-Peak Pulse Power (kW
)