SM712 Datasheet, PDF (3/4 Pages) Semtech Corporation – Asymmetrical TVS Diode for Extended Common-Mode RS-485

SM712
Asymmetrical TVS Diode for Extended Common-Mode RS-485
● Electrical Characteristics Curve
Capacitance vs. Reverse Voltage
80
70
60
50
40
30
20
10
f = 1MHz
0
0 1 2 3 4 5 6 7 8 9 10 11 12 13
Reverse Voltage - VR (V)
110
100
90
80
70
60
50
40
30
20
10
0
0
Power Derating Curve
25
50
75
100
125
150
175
Ambient Temperature - TA (^oC)
Pulse Waveform
110
100
90
80
70
60
50
40
30
20
10
0
0
e ^-t
td = I_PP /2
5
10
15
20
Tim e (µs)
W aveform
Parameters:
tr = 8µs
td = 20µs
25
30
Clamping Voltage vs. Peak Pulse Current
24
22
20
18
16
14
12
10
8
6
4
2
0
0
Pin 1 to 3 and 2 to 3
Pin 3 to 1 and 3 to
W ave fo rm
Parameters:
tr = 8µs
td = 20µs
2
4
6
8
10
12
14
16
Peak Pulse Current - IPP (A)