SA45C Littelfuse Inc, SA45C Datasheet - Page 3

• Manufacturer Part Number: SA45C
• Description: DIODE TVS 45V 500W AXL BI 10%
• Manufacturer: Littelfuse Inc
• Series: SAr

Specifications of SA45C

• Voltage - Reverse Standoff (typ): 45V
• Voltage - Breakdown: 50V
• Power (watts): 500W
• Polarization: Bidirectional
• Mounting Type: Through Hole
• Package / Case: DO-204AC, DO-15, Axial
• Reverse Stand-off Voltage Vrwm: 45V
• Breakdown Voltage Range: 50V To 55.3V
• Clamping Voltage Vc Max: 72.7V
• Diode Configuration: Bidirectional
• Peak Pulse Current Ippm: 7A
• Diode Case Style: DO-204AC
• Polarity: Bidirectional
• Channels: 1 Channel
• Clamping Voltage: 80.3 V
• Operating Voltage: 45 V
• Breakdown Voltage: 50 V
• Termination Style: Through Hole
• Peak Surge Current: 7 A
• Peak Pulse Power Dissipation: 500 W
• Maximum Operating Temperature: + 175 C
• Minimum Operating Temperature: - 55 C
• Dimensions: 3.6 mm Dia. x 3.6 (Max) mm W x 7.6 mm L x 3.6 (Max) mm H
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free by exemption / RoHS Compliant
• Other names: SA45CT

Silicon Avalanche Diodes
500 Watt Axial Leaded Transient Voltage Suppressors
RoHS
288
150
100
SA Series
4.0
3.0
2.0
1.0
50
0.1
30
10
0
0
1
0.1s
Fig. 1 Peak Pulse Power Rating Curve
0
0
P
P
P
L=0.375"(9.5mm)
Lead Lengths
1.6x1.6x.040
(40x40x1mm)
Copper Heat Sinks
t d
25
T d
T d
T d
1.0s
t r =10µsec
Fig. 5 Steady State Power
Exponential
50
Peak Value
I PPM
T 1 - Lead Temperature (˚C)
1.0
Fig. 3 Pulse Waveform
Half SINE
t d - Pulse Width (sec.)
Derating Curve
10s
75
Square
t-Time (ms)
Half Value I PPM
100
2.0
100s
10/1000µsec. Waveform
as defined by R.E.A
Non-repetitive Pulse
Waveform Shown in Fig. 3
T A =25˚C
T J =25˚C
Pulse Width(td) is defined
as the point where the peak
current decays to 50% of I PPM
125 150 175 200
2
1.0ms
3.0
10ms
4.0
w w w . l i t t e l f u s e . c o m
6000
1000
100
10
200
100
100
10
50
75
25
5
0
1
Fig. 4- Typical Junction Capacitance
0
V R =Rated
Stand-Off Voltage
Fig. 6- Maximum Non-Repetitive
V WM -Reverse Stand-Off Voltage (V)
25
Fig. 2 Pulse Derating Curve
50
T A - Ambient Temperature (˚C)
Number of Cycles at 60Hz
Forward Surge Current
Uni-Directional Only
75
V R =
100
10
8.3 Single Half Sine-Wave
(JEDEC Method)
Undirectional Only
Uni-Directional
Bi-Directional
125 150 175 200
100
T J =25˚C
f=1MHZ
V sig =50mVp-p
100
500
®