SMBD914/MMBD914...
Silicon Switching Diode • For high-speed switching applications
SMBD914/MMBD914
3
1
2
Type SMBD914/MMBD914
Parameter Diode reverse voltage Peak reverse voltage Forward current
Package SOT23
Configuration single
Symbol VR VRM IF I FSM 4.5 0.5 Ptot Tj T stg Symbol RthJS 370 150 -65 ... 150 Value ≤ 260 Value 100 100 250
Marking s5D
Unit V mA A
Maximum Ratings at TA = 25°C, unless otherwise specified
Non-repetitive peak surge forward current t = 1 µs t=1s Total power dissipation TS ≤ 54°C Junction temperature Storage temperature Thermal Resistance Parameter Junction - soldering point 1) SMBD914/MMBD914
1For
mW °C
Unit K/W
calculation of RthJA please refer to Application Note Thermal Resistance
1
Mar-10-2004
SMBD914/MMBD914...
Electrical Characteristics at TA = 25°C, unless otherwise specified Parameter Symbol Values min. typ. max. DC Characteristics 100 Breakdown voltage V(BR) I(BR) = 100 µA Reverse current VR = 20 V VR = 75 V VR = 20 V, TA = 150 °C VR = 75 V, TA = 150 °C Forward voltage IF = 1 mA IF = 10 mA IF = 50 mA IF = 100 mA IF = 150 mA
AC Characteristics Diode capacitance VR = 0 V, f = 1 MHz Reverse recovery time IF = 10 mA, IR = 10 mA, measured at IR = 1mA , RL = 100 Ω Test circuit for reverse recovery time
D.U.T.
Unit
V µA
IR VF -
-
0.025 0.1 30 50 mV 715 855 1000 1200 1250
2 4 pF ns
CT trr
Pulse generator: tp = 100ns, D = 0.05, tr = 0.6ns, Ri = 50Ω
Oscillograph
ΙF
Oscillograph: R = 50Ω, tr = 0.35ns, C ≤ 1pF
EHN00019
2
Mar-10-2004
SMBD914/MMBD914...
Reverse current IR = ƒ (TA) VR = Parameter
10 5
nA
Forward Voltage VF = ƒ (TA) IF = Parameter
1.0 V
SMBD 914 EHB00114
VF
10 4
Ι F = 100 mA
IR
10 mA
10 3
0.5
70 V 25 V
1 mA 0.1 mA
10 2
10 1 0
25
50
75
100
°C
150
0
0
50
100 TA
˚C
150
TA
Forward current IF = ƒ (VF) TA = 25°C
150
SMBD 7000 EHB00137
Forward current IF = ƒ (T S) SMBD914/MMBD914
300
ΙF
mA
mA
100
IF
200
typ
max
150
50
100
50
0
0
0.5
1.0
V VF
1.5
0 0
15
30
45
60
75
90 105 120 °C
150
TS
3
Mar-10-2004
SMBD914/MMBD914...
Permissible Puls Load RthJS = ƒ (tp) Permissible Pulse Load IFmax / I FDC = ƒ (t p)
10 3
K/W
10 2
10 2
I Fmax/IFDC
10 1
10 0
0.5 0.2 0.1 0.05 0.02 0.01 0.005 D=0
10 1
D=0 0.005 0.01 0.02 0.05 0.1 0.2 0.5
RthJS
10 -1 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
10 0 -7 10
10
-6
10
-5
10
-4
10
-3
10
-2
s
10
0
tp
tp
4
Mar-10-2004
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