1.5SMC Datasheet, PDF (3/3 Pages) Vishay Siliconix – Surface Mount TRANSZORB Transient Voltage Suppressors

DB LECTRO Inc.
1.5SMC SERIES
RATINGS AND CHARACTERISTIC CURVES
Ratings and
Characteristic Curves(T_A=25 unless otherwise noted)
Fig. 1 - Peak Pulse Power Rating
100
10
1
0.31x0.31"(8.0x8.0mm)
Copper Pad Areas
0.1
0.1µs
1.0µs
10µs
100µs
1.0ms
t_d - Pulse Width (sec.)
10ms
Fig.3 - Pulse Waveform
150
t_r = 10µsec.
Peak Value
I_PPM
100
T_J = 25°C
Pulse Width(td)is defined
as the point where the
peak current decays to
50% of I_PPM
Half Value- I_PPM
2
50
10/1000µsec.Waveform
as defined by R.E.A.
t_d
0
0
1.0
2.0 3.0
3.0 ^4.0
4.0
t - Time(ms)
Fig. 5 - Typ.Transient Thermal Impedance
100
10
100
87.5
75
62.5
50
37.5
25
12.5
0
0
100000
20000
10000
Fig.2 - Pulse Derating Curve
25 50 75 100 125 150 175 200
T_A - Ambient Temperature (°C)
Fig.4 - Typical Junction Capacitance
Uni-Directional
Measured at
Zero Bias
1000
V_R,Measured at
Stand-Off
Voltage, V_WM
100
1000
T_J = 25°C
Uni-Directional
Bi-Directional
f = 1.0MH_Z
Vsig = 50mVp-p
400
10
1.0
10
100
400
V_WM - Reverse Stand-Off Voltage (V)
Fig.6 - Maximum Non-Repetitive Forward
Surge Current Uni-Directional Use Only
200
100
1.01
0.1
0.001 0.01
0.1
1
10
100
1000
t_p-Pulse Duration (sec)
8.3ms Single Half Sine-Wave
(JEDEC Method)
TJ = TJ max,
10
1
10
100
Number of Cycles at 60 Hz
DB LECTRO Inc. 3600 boul. Matte suite i Brossard Qc J4Y-2Z2 tel:[phone] fax:[phone]