Data Sheet
5.0V to 170V SMD TRANSIENT
VOLTAGE SUPPRESSORS
Mechanical Dimensions
TVS
Device
Load
Uni-Polar
TVS
Device
Load
SMAJ5.0 . . . 170
Description
Package
SMA
Uni-Polar
Features
n
400 WATT PEAK POWER PROTECTION
n
EXCELLENT CLAMPING CAPABILITY
n
FAST RESPONSE TIME
n
TYPICAL I
R
< 1υA ABOVE 10V
n
GLASS PASSIVATED CHIP CONSTRUCTION
n
MEETS UL SPECIFICATION 94V-0
Electrical Characteristics @ 25
O
C.
Maximum Ratings
Peak Power Dissipation...P
PK
T
P
= 1mS
(Note 5)
Steady State Power Dissipation...P
D
@ T
T
= 75°C
(Note 2)
SMAJ5.0...170
Units
......................................... 400 Min. ..........................................
.............................................
1
...............................................
Watts
Watts
Amps
............................................. 4 0 ...............................................
Non-Repetitive Peak Forward Surge Current...I
FSM
@ Rated Load Conditions, 8.3 mS, ½ Sine Wave, Single Phase
(Note 3)
Weight...G
RM
Soldering Requirements (Time & Temp)...S
T
@ 250°C
Operating & Storage Temperature Range...T
J
, T
STRG
NOTES:
1.
2.
3.
4.
5.
............................................. 0.12 ...............................................
Grams
............................................. 10 Sec. ........................................... Min. to
Solder
......................................... -65 to 175 ..........................................
°C
For Bi-Directional Applications, Use C or CA. Electrical Characteristics Apply in Both Directions.
Mounted on 8mm Copper Pads to Each Terminal.
8.3 mS, ½ Sine Wave, Single Phase Duty Cycle, @ 4 Pulses Per Minute Maximum.
V
BR
Measured After It Applies for 300 uS. I
T
= Square Wave Pulse or Equivalent.
Non-Repetitive Current Pulse. Per Fig. 3 and Derated Above T
A
= 25°C per Fig. 2.
Page 10-36
Data Sheet
5.0V to 170V SMD TRANSIENT
VOLTAGE SUPPRESSORS
Fig. 4 Typical Junction Capacitance
Fig. 1 Pulse Rating Curve
Measured @
Zero Bias
Measured @
Standoff Voltage
Breakdown Voltage (Volts)
Fig. 2 Pulse Derating Curve
Steady State Power (Watts)
Peak Pulse Percentage
Fig. 5 Steady State Power Derating
T
A
= Ambient Temperature (°C)
°
Fig. 3 Pulse Waveform
t
r
= 10µs
T
L
= Terminal Temperature (°C)
°
Fig. 6 Maximum Non-Repetitive
Surge Current
8.3ms Single Half Sine Wave
JEDEC Method
Peak Pulse Current
Peak Value
I
RSM
Pulse Width is defined
as that point where the
Peak Current decays to
50% of I
RSM
Ratings at
25 Deg. C ambient
temperature
unless otherwise
specified.
Single Phase Half
Wave, 60 HZ
Resistive or
Inductive Load.
Amps
T = Time ( ms)
NOTES:
1.
2.
3.
4.
5.
Number of Cycles @ 60 Hz
For Capacitive
Load, Derate
Current by 20%.
For Bi-Directional Applications, Use C or CA. Electrical Characteristics Apply in Both Directions.
Mounted on 8mm Copper Pads to Each Terminal.
8.3 mS, ½ Sine Wave, Single Phase Duty Cycle, @ 4 Pulses Per Minute Maximum.
V
BR
Measured After It Applies for 300 uS. I
T
= Square Wave Pulse or Equivalent.
Non-Repetitive Current Pulse. Per Fig. 3 and Derated Above T
A
= 25°C per Fig. 2.
Page 37
SMAJ5.0 . . . 170
pF
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