TransientVoltage Suppression Diodes
Surface Mount > 3.0SMC series
Electrical Characteristics (TA=25°C unless otherwise noted)
Breakdown
™
Maximum
TVSRDeveiorsede ArrVaoyltasge(VSPA FamilyTeostf Products)
Maximum Peak
Pulse Current
pp @ 8/20µS
(A)
Maximum
Reverse
BR
Part
Number
(Uni)
Clamping
Current
IT
Stand off
Voltage VR
(Volts)
(Volts) @ IT
Marking
Voltage VC
@ 8/20µS
Ipp (V)
I
Leakage I @ VR
(µA)R
(mA)
MIN
MAX
YLA
YLC
YLE
YLF
YLG
20.0
24.0
28.0
30.0
33.0
22.20
26.70
31.10
33.30
36.70
24.50
29.50
34.40
36.80
40.60
1
1
1
1
1
42
51
59
62
70
570
520
470
420
365
1
1
1
1
1
3.0SMC20A
3.0SMC24A
3.0SMC28A
3.0SMC30A
3.0SMC33A
I-V Curve Characteristics
Uni-directional
Vc VBR
VR
V
IR
IT
VF
Ipp
PPPM Peak Pulse Power Dissipation -- Max power dissipation
VR Stand-off Voltage -- Maximum voltage that can be applied to theTVS without operation
VBR Breakdown Voltage -- Maximum voltage that flows though theTVS at a specified test current (IT)
VC Clamping Voltage -- Peak voltage measured across theTVS at a specified Ippm (peak impulse current)
IR Reverse Leakage Current -- Current measured at VR
VF Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (TA=25°C unless otherwise noted)
Figure 1 -TVSTransients ClampingWaveform
Figure 2 - Peak Pulse Power Rating
1000
Voltage Transients
T
initial =T
amb
J
100
10
Voltage Across TVS
Current Through TVS
1
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
0.1
10
0.001
0.01
0.1
td-Pulse Width (ms)
1
Time
continues on next page.
© 2015 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 11/20/15