參數(shù)資料
型號(hào)： SMAT70A-13
廠商： DIODES INC
元件分類： 參考電壓二極管
英文描述： 400W, 600W SURFACE MOUNT TRANSIENT VOLTAGE SUPPRESSOR
中文描述： 400 W, UNIDIRECTIONAL, SILICON, TVS DIODE
封裝： PLASTIC, SMA, 2 PIN
文件頁數(shù)： 1/3頁
文件大小： 79K
代理商： SMAT70A-13
DS30213 Rev. D-2
1 of 3
SMAT70A/SMBT70A
SMAT70A/SMBT70A
400W, 600W SURFACE MOUNT TRANSIENT
VOLTAGE SUPPRESSOR
Maximum Ratings
@ T
A
= 25°C unless otherwise specified
Characteristic
Symbol
SMAT70A
SMBT70A
Unit
Peak Pulse Power Dissipation
(Non repetitive current pulse derated above T
A
= 25 C)
Peak Forward Surge Current, 8.3ms Single Half Sine
Wave Superimposed on Rated Load (JEDEC Method)
(Note 2)
Instantaneous Forward Voltage @ I
PP
= 35A
(Note 2)
Operating and Storage Temperature Range
P
PK
400
600
W
I
FSM
40
100
A
V
F
3.5
V
T
j
, T
STG
-55 to +150
C
Features
Case: SMA, SMB Transfer Molded Epoxy
Terminals: Solderable per MIL-STD-202,
Method 208
Polarity Indicator: Cathode Band
Marking: Date Code (See Sheet 3) and Marking
Code (See Sheet 1)
Weight: SMA 0.064 grams
SMB 0.093 grams
Ordering Information: Sheet 3
400, 600W Peak Pulse Power Dissipation
70V Standoff Voltage
100V Maximum Clamping Voltage -
A requirement of many -48V Backplane
Telecom Applications
Glass Passivated Die Construction
Fast Response Time: Typically less than 1 ps
Plastic Material - UL Flammability
Classification Rating 94V-0
Mechanical Data
A
B
C
D
G
H
E
J
Part Number
Reverse
Standoff
Voltage
Breakdown
Voltage
V
@ I
T
(Note 3)
Test
Current
Max.
Reverse
Leakage @
V
RWM
Max.
Clamping
Voltage @
I
pp
Max. Peak
Pulse
Current
I
pp
Typical
Junction
Capacitance
(Note 4)
Typical
Voltage
Temp.
Variation
of V
BR
Marking
Code
V
RWM
(V)
Min
(V)
77.8
77.8
Max
(V)
89.5
89.5
I
T
(mA)
I
R
( A)
V
C
(V)
(A)
(pF)
mV/ C
SMAT70A
SMBT70A
70
70
1.0
1.0
5.0
5.0
100
100
3.5
5.3
55
80
80
80
KEX
NPX
Notes: 1. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum.
2. V
BR
measured with I
T
current pulse = 300 s.
3. f = 1MHz, V
R
= 0VDC.
SMAT70A
SMA
Min
SMBT70A
SMB
Min
Package
Dim
A
B
C
D
E
G
H
J
Max
Max
2.29
2.92
3.30
3.94
4.00
4.60
4.06
4.57
1.27
1.63
1.96
2.21
0.15
0.31
0.15
0.31
4.80
5.59
5.00
5.59
0.10
0.20
0.10
0.20
0.76
1.52
0.76
1.52
2.01
2.62
2.00
2.62
SMA, SMB
N
@T
A
= 25°C unless otherwise specified
Electrical Characteristics
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