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SA48CA-T View Datasheet(PDF) - Littelfuse, Inc

Part NameSA48CA-T Littelfuse
Littelfuse, Inc Littelfuse
Description500 Watt Axial Leaded Transient Voltage Suppressors


SA48CA-T Datasheet PDF : 4 Pages
1 2 3 4
Silicon Avalanche Diodes
500 Watt Axial Leaded Transient Voltage Suppressors
RoHS SA Series
®
30
Non-repetitive Pulse
100
Waveform Shown in Fig. 3
TA=25˚C
10
75
Exponential
1 P Td
P Td
Half SINE
P Td
Square
0.1
0.1s
1.0s 10s
100s 1.0ms
td- Pulse Width (sec.)
10ms
Fig. 1 Peak Pulse Power Rating Curve
150
100
tr=10µsec
Peak Value
IPPM
TJ=25˚C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of IPPM
Half Value IPPM
2
50
10/1000µsec. Waveform
as defined by R.E.A
td
0
0
1.0
2.0
3.0
4.0
t-Time (ms)
Fig. 3 Pulse Waveform
4.0
3.0
2.0
L=0.375"(9.5mm)
Lead Lengths
50
25
0
0
6000
1000
25 50 75 100 125 150 175 200
TA- Ambient Temperature (˚C)
Fig. 2 Pulse Derating Curve
Uni-Directional
Bi-Directional
VR=
TJ=25˚C
f=1MHZ
Vsig=50mVp-p
100
VR=Rated
Stand-Off Voltage
10
5
100
500
VWM-Reverse Stand-Off Voltage (V)
Fig. 4- Typical Junction Capacitance
200
100
8.3 Single Half Sine-Wave
(JEDEC Method)
Undirectional Only
1.0
1.6x1.6x.040
(40x40x1mm)
0
Copper Heat Sinks
0 25 50 75 100 125 150 175 200
T1- Lead Temperature (˚C)
Fig. 5 Steady State Power
Derating Curve
10
1
10
100
Number of Cycles at 60Hz
Fig. 6- Maximum Non-Repetitive
Forward Surge Current
Uni-Directional Only
288
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The SA Series is designed specifically to protect sensitive electronics equipment from voltage transients induced by lightning and other transient voltage events. These devices are ideal for the protection of I/O interfaces, Vcc bus and other vulnerable circuits used in computer and consumer electronic applications.


FEATURES
•RoHS Compliant
• 5.0 to 180 Volts
• Uni-directional and Bi-directional
• Glass passivated chip junction
• 500W peak pulse power capability on 10/1000µs waveform
• Excellent clamping capability
• Repetition rate (duty cycle): 0.01%
•Low incremental surge resistance
•Fast response time: typically less than 1.0ps from 0 Volts to BV for unidirectional and 5.0ns for bidirectional types
•Typical IR less than 1µA above 10V
•High temperature soldering guaranteed: 265˚C/10 seconds/.375",(9.5mm) lead length, 5lbs.,(2.3kg) tension

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