SM712 Datasheet, PDF (2/4 Pages) Semtech Corporation – Asymmetrical TVS Diode for Extended Common-Mode RS-485

SM712
Asymmetrical TVS Diode for Extended Common-Mode RS-485
● Electrical Characteristics(Tamb=25 °C )
Pins 1 to 3 and
2 to 3
(12V TVS)
Pins 3 to 1 and
3 to 2
(7V TVS)
Parameter
Symbol
Conditions
MIN TYP MAX MIN TYP MAX
Reverse Stand-Off Voltage
V_RWM Pin 3 to 1 or Pin 2 to 1
12
7
Reverse Breakdown Voltage
V_BR
I_PT = 1mA
13.3
7.5
Reverse Leakage Current
I_R
V_{R =} V_RWM
1
20
Clamping Voltage
V_C
I_PP = 5A,
tp = 8/20µs
20
10
Clamping Voltage
V_C
I_PP = 17A,
tp = 8/20µs
26
12
Junction Capacitance
C_j
V_R = 0V, f = 1MHz
V_R = V_RWM, f = 1MHz
75
45
75
45
Units
V
V
µA
V
V
pF
pF
● Electrical Characteristics Curve
10,000
Peak Pulse Power VS Pulse Time
1,000
600W, 8/20µs Waveform
100
10
0.1
1
10
100
1,000
10,000
t_d