SMAT70A_REVC-2 View Datasheet(PDF) - Diodes Incorporated.
Part Name
Description
Manufacturer
SMAT70A_REVC-2 Datasheet PDF : 2 Pages
| |||
SMAT70A/SMBT70A
400W, 600W SURFACE MOUNT TRANSIENT
VOLTAGE SUPPRESSOR
Features
· 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
· Case: SMA, SMB Transfer Molded Epoxy
· Terminals: Solderable per MIL-STD-202,
Method 208
· Polarity Indicator: Cathode Band
· Marking: Date Code and Marking Code
· Weight: SMA 0.064 grams
SMB 0.093 grams
SMA, SMB
B
A
C
D
J
H
G
E
SMAT70A
Package SMA
Dim Min Max
A 2.29 2.92
B 4.00 4.60
C 1.27 1.63
D 0.15 0.31
E 4.80 5.59
G 0.10 0.20
H 0.76 1.52
J 2.01 2.62
SMBT70A
SMB
Min Max
3.30 3.94
4.06 4.57
1.96 2.21
0.15 0.31
5.00 5.59
0.10 0.20
0.76 1.52
2.00 2.62
Maximum Ratings @ TA = 25°C unless otherwise specified
Characteristic
Symbol
SMAT70A
SMBT70A
Unit
Peak Pulse Power Dissipation
(Non repetitive current pulse derated above TA = 25°C)
PPK
400
600
W
Peak Forward Surge Current, 8.3ms Single Half Sine
Wave Superimposed on Rated Load (JEDEC Method)
IFSM
40
100
A
(Note 2)
Instantaneous Forward Voltage @ IPP = 35A
(Note 2)
VF
3.5
V
Operating and Storage Temperature Range
Tj, TSTG
-55 to +150
°C
Electrical Characteristics @TA = 25°C unless otherwise specified
Part Number
SMAT70A
SMBT70A
Reverse
Standoff
Voltage
Breakdown
Voltage
VBR @ IT
(Note 3)
Test
Current
Max.
Reverse
Leakage @
VRWM
VRWM (V)
70
70
Min Max
(V) (V)
77.8 89.5
77.8 89.5
IT (mA)
1.0
1.0
IR (mA)
5.0
5.0
Max.
Clamping
Voltage @
Ipp
VC (V)
100
100
Max. Peak
Pulse
Current
Ipp
Typical
Junction
Capacitance
(Note 4)
Typical
Voltage
Temp.
Variation
of VBR
(A)
(pF)
mV/°C
3.5
55
80
5.3
80
80
Notes: 1. Measured with 8.3ms single half sine-wave. Duty cycle = 4 pulses per minute maximum.
2. VBR measured with IT current pulse = 300ms.
3. f = 1MHz, VR = 0VDC.
Marking
Code
KEX
NPX
DS30213 Rev. C-2
1 of 2
SMAT70A/SMBT70A
|
|
Share Link: 