TVS Diodes
Surface Mount – 1500W > SMCJ-HRA Series
SMCJ-HRA Series
RoHS
Pb e3
Description
The SMCJ-HRA High Reliability series is designed
specifically to protect sensitive electronic equipment from
voltage transients induced by lightning and other transient
voltage events. These are available with a variety of upscreening options for enhanced reliability.
Uni-directional
Bi-directional
Agency Approvals
Agency
Features
Agency File Number
E230531
Maximum Ratings and Thermal Characteristics
(TA=25OC unless otherwise noted)
Parameter
Peak Pulse Power Dissipation at TA=25ºC by
10/1000µs waveform (Fig.1)(Note 1), (Note 2)
Power Dissipation on infinite heat sink at TA=50 C
O
Peak Forward Surge Current, 8.3ms Single Half
Sine Wave (Note 3)
Maximum Instantaneous Forward Voltage at
100A for Unidirectional only (Note 4)
Operating Junction and Storage Temperature
Range
Symbol
Value
Unit
PPPM
1500
W
PM(AV)
6.5
W
IFSM
200
A
VF
3.5/5.0
V
TJ , TSTG -65 to 150
°C
Typical Thermal Resistance Junction to Lead
RuJL
15
°C/W
Typical Thermal Resistance Junction to Ambient
RuJA
75
°C/W
Notes:
1. Non-repetitive current pulse, per Fig. 3 and derated above TA = 25OC per Fig. 2.
2. Mounted on copper pad area of 0.31x0.31” (8.0 x 8.0mm) 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. VF SMCJ-HRA Series
Screen Process
100% vision inspection
MIL-STD-750 method 2074
100%High Temperature Storage Life (168hrs,150C)
MIL-STD-750 method 1031
100% X-RAY inspection
MIL-STD-750 method 2076
100% Temperature cycle test (-55-150C, 20 cycles, dwell time 15 min)
MIL-STD-750 method 1051
100% Reflow (2X)
JEDEC J-STD-020
100% surge test (2x)
MIL-STD-750 method 4066
100% HTRB(150C, Bias=VR(80% breakdown voltage), 96hrs),for Bi-direction products, 96hrs for each direction
MIL–STD–750 method 1038
Final electrical test( 100% 3 sigma limit, 100% dynamic test and PAT limit)
MIL-STD-750 method 4016.4021.4011
Note: Up-screen program can be specified by customer’s request via contacting Littlefuse service
I-V Curve Characteristics
Uni-directional
Bi-directional
Ipp
Vc VBR VR
Vc VBR VR
V
IR VF
IT
Ipp
PPPM
VR
VBR
VC
IR
VF
IT
IR
IR
IT
VR VBR Vc
V
Ipp
Peak Pulse Power Dissipation -- Max power dissipation
Stand-off Voltage -- Maximum voltage that can be applied to the TVS without operation
Breakdown Voltage -- Maximum voltagethat flows though the TVS at a specified test current (IT)
Clamping Voltage -- Peak voltage measured across the suppressor at a specified Ippm (peak impulse current)
Reverse Leakage Current -- Current measured at VR
Forward Voltage Drop for Uni-directional
Ratings and Characteristic Curves (T =25°C unless otherwise noted)
A
Figure 1 - TVS Transients Clamping Waveform
Figure 2 - Peak Pulse Power Rating
100
PPPM-Peak Pulse Power (kW)
Voltage Transients
Voltage or Current
Voltage Across TVS
Current Through TVS
10
0.31x0.31" (8.0x8.0mm)
Copper Pad Area
1
0.000001
Time
0.00001
0.0001
0.001
td-Pulse Width (sec.)
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/14/20
TVS Diodes
Surface Mount – 1500W > SMCJ-HRA Series
Ratings and Characteristic Curves (T =25°C unless otherwise noted) (Continued)
A
Figure 3 - Pulse Derating Curve
Figure 4 - Pulse Waveform
150
IPPM- Peak Pulse Current, % IRSM
Peak Pulse Power (PPP) or Current (IPP)
Derating in Percentage %
100
80
60
40
20
0
0
25
50
75
100
125
150
tr=10µsec
TJ=25°C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Peak Value
IPPM
100
Half Value
IPPM IPPM
( )
2
50
0
175
TA-Ambient temperature (ºC)
10/1000µsec. Waveform
as defined by R.E.A
td
1.0
0
2.0
3.0
4.0
t-Time (ms)
Figure 6 - Steady State Power Dissipation Derating
Curve
Figure 5 - Typical Junction Capacitance
Bi-directional V=0V
10000
Cj (pF)
PM(AV), Steady Sate Power Dissipation
(W)
100000
Uni-directional V=0V
1000
Uni-directional @VR
100
Bi-directional @VR
10
Tj=25C
f=1.0MHz
Vsig=50mVp-p
1
1.0
10.0
100.0
1000.0
VBR - Reverse Breakdown Voltage (V)
6.5
6
5.5
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
25
50
75
100
125 150
TA - Ambient Temperature (ºC)
175
IFSM - Peak Forward Surge Current (A)
Figure 7 - Maximum Non-Repetitive Peak Forward
Surge Current Uni-Directional Only
200
180
160
140
120
100
80
60
40
20
0
1
10
100
Number of Cycles at 60 Hz
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/14/20
TVS Diodes
Surface Mount – 1500W > SMCJ-HRA Series
Soldering Parameters
Lead–free assembly
Pre Heat
- Temperature Min (Ts(min))
150°C
- Temperature Max (Ts(max))
200°C
- Time (min to max) (ts)
60 – 180 secs
Average ramp up rate (Liquidus Temp (TL) to peak
3°C/second max
TS(max) to TL - Ramp-up Rate
3°C/second max
Reflow
- Temperature (TL) (Liquidus)
217°C
- Time (min to max) (ts)
60 – 150 seconds
Peak Temperature (TP)
260+0/-5 °C
Time within 5°C of actual peak Temperature (tp)
20 – 40 seconds
Ramp-down Rate
6°C/second max
Time 25°C to peak Temperature (TP)
8 minutes Max.
Do not exceed
280°C
Physical Specifications
Polarity
Terminal
Matte Tin-plated leads, Solderable per JESD22-B102
Case
Ramp-up
TL
Critical Zone
TL to TP
tL
Ts(max)
Ramp-down
Ts(min)
ts
Preheat
25˚C
t 25˚C to Peak
Time (t)
Environmental Specifications
0.007 ounce, 0.21 grams
JEDEC DO214AB. Molded plastic body over glass passivated
junction
Color band denotes positive end (cathode) except Bidirectional
Weight
tp
TP
Temperature (T)
Reflow Condition
High Temp. Storage
JESD22-A103
HTRB
JESD22-A108
Thermal Shock
JESD22-A106
MSL
JEDEC-J-STD-020, Level 1
H3TRB
JESD22-A101
RSH
JESD22-B106
Dimensions
DO-214AB (SMC J-Bend)
Cathode Band
(for Uni-directional products only)
C
A
B
H
D
F
E
J
G
K
Dimensions
A
Inches
Millimeters
Min
Max
Min
Max
0.114
0.126
2.900
3.200
B
0.260
0.280
6.600
7.110
C
0.220
0.245
5.590
6.220
2.620
D
0.079
0.103
2.060
E
0.030
0.060
0.760
1.520
F
0.002
0.008
0.051
0.203
G
0.305
0.320
7.750
8.130
H
0.006
0.012
0.152
0.305
-
I
0.129
-
3.300
J
0.094
-
2.400
-
K
-
0.165
-
4.200
L
0.094
-
2.400
-
L
I
Solder Pads
(all dimensions in mm)
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/14/20
TVS Diodes
Surface Mount – 1500W > SMCJ-HRA Series
Part Numbering System
Part Marking System
SMCJ XXX C A -HR A
Cathode Band
F
Without Group B Test
High Reliability
5% Voltage Tolerance
Bi-Diractional
XXXX
YMXXX
Voltage
Series
Littelfuse Logo
Marking Code
Trace Code Marking
Y:Year Code
M: Month Code
XXX: Lot Code
Packaging
Part number
Component
Package
Quantity
Packaging
Option
Packaging Specification
SMCJxxxXX-HRA
DO-214AB
3000
Tape & Reel – 16mm tape /13” reel
EIA STD RS-481
SMCJxxxXX-HRAT7
DO-214AB
500
Tape & Reel – 16mm tape /7” reel
EIA STD RS-481
Tape and Reel Specification
0.157
(4.0)
0.63
(16.0)
Cathode
0.315
(8.0)
Optional
7” 7.0 (187)
13” 13.0 (330)
0.80 (20.2)
Arbor Hole Dia.
0.65
(16.4)
0.059 DIA
(1.5)
Cover tape
Dimensions are in inches
(and millimeters).
Direction of Feed
Disclaimer Notice - Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each product selected for their own applications. Littelfuse products are
not designed for, and may not be used in, all applications. Read complete Disclaimer Notice at http://www.littelfuse.com/disclaimer-electronics.
© 2020 Littelfuse, Inc.
Specifications are subject to change without notice.
Revised: 02/14/20
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