SYNSEMI 1N4450

1N4450
HIGH SPEED SWITCHING DIODE
DO - 35 Glass
(DO-204AH)
FEATURES :
• High switching speed: max. 4 ns
• Reverse voltage:max. 30 V
• Peak reverse voltage:max. 40 V
• Pb / RoHS Free
1.00 (25.4)
min.
0.079(2.0 )max.
0.150 (3.8)
max.
Cathode
Mark
1.00 (25.4)
min.
0.020 (0.52)max.
MECHANICAL DATA :
Case: DO-35 Glass Case
Weight: approx. 0.13g
Dimensions in inches and ( millimeters )
Maximum Ratings and Thermal Characteristics ( Ta = 25 °C)
Parameter
Symbol
Value
Unit
Maximum Peak Reverse Voltage
VRM
40
V
Maximum Reverse Voltage
VR
30
V
Maximum Forward DC Current
IF
250
mA
Maximum Average Forward Current
IF(AV)
200
mA
Maximum Surge Forward Current at tp = 1 µs
IFSM
4
A
Power Dissipation
PD
500
mW
TJ
200
°C
TSTG
-65 to + 200
°C
Maximum Junction Temperature
Storage Temperature Range
Electrical Characteristics
Parameter
Reverse Current
( Ta = 25 °C)
Symbol
IR
Forward Voltage
VF
Test Condition
VR = 30 V
VR = 30 V , Tj = 150 °C
Diode Capacitance
Reverse Recovery T
Page 1 of 2
V(BR)R
Cd
Trr
Typ.
Max.
Unit
-
-
50
nA
μA
-
-
50
IF = 0.1 mA
0.42
-
0.54
IF = 1.0 mA
0.52
-
0.64
IF = 10 mA
0.64
-
0.72
IF = 50 mA
0.80
-
0.92
IF = 200 mA
Reverse Breakdown Voltage
Min.
IR = 5 μA (pulsed)
f = 1MHz ; VR = 0
IF = 10 mA ,V R = 6 V,
RL = 100 Ω
V
-
-
1.00
40
-
-
V
-
-
4
pF
-
-
4
ns
Rev. 01 : May 9, 2006
RATING AND CHARACTERISTIC CURVES ( 1N4450 )
FIG1. - FORWARD CURRENT VS.
FIG.2 - REVERSE CURRENT VS.
FORWARD VOLTAGE
JUNCTION TEMPERATURE
10000
REVERSE CURRENT, IR (nA)
FORWARD CURRENT, I F (mA)
1000
100
TJ = 125
10
TJ = 25 °C
1.0
f = 1 MHz
Ta = 25 °C
TJ = 75 °C
1000
TJ = 50 °C
100
TJ = 25 °C
10
1.0
0.1
0
0.2
0.4
0.6
0.8
1.0
1.2
0
FORWARD VOLTAGE , V F (V)
f = 1 MHz
Ta = 25 °C
2.0
1.5
1.0
0.5
0
REVERSE VOLTAGE , VR (V)
Page 2 of 2
80
100
FORWARD CURRENT
REVERSE RECOVERY TIME, Trr (ns)
DIODE CAPACITANCE, Cd (pF)
2.5
20
60
FIG. 4 - REVERSE RECOVERY TIME VS.
TERMINALS VS. REVERSE VOLTAGE
10
40
REVERSE VOLTAGE , VR (V)
FIG3. - CAPACITANCE BETWEEN
0
20
30
5
VR = 6 V
4
3
2
1
0
0
4
8
12
16
20
REVERSE VOLTAGE , VR (V)
Rev. 01 : May 9, 2006