TSC 1N4448

1N4148/1N4448/1N914B
500mW High Speed Switching Diode
Small Signal Diode
DO-35 Axial Lead
HERMETICALLY SEALED GLASS
D
Features
C
—Fast switching device(Trr<4.0nS)
—Through-hole device type mounting
A
—Moisture sensitivity level 1
—Solder hot dip Tin(Sn) lead finish
B
—Pb free version and RoHS compliant
—All External Surfaces are Corrosion Resistant and
Leads are Readily Solderable
Dimensions
Mechanical Data
—Case : DO-35 package (SOD-27)
Unit (mm)
Unit (inch)
Min
Max
A
0.45
0.55
0.018 0.022
Min
Max
—High temperature soldering guaranteed : 260°C/10s
B
3.05
5.08
0.120 0.200
—Polarity : Indicated by cathode band
C
25.4
38.1
1.000 1.500
—Weight : 109 ± 4 mg
D
1.53
2.28
0.060 0.090
Ordering Information
Part No.
Package
Packing
1Nxxxx A0
DO-35
5Kpcs / Ammo
1Nxxxx R0
DO-35
10Kpcs / 14" Reel
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
Maximum Ratings
Type Number
Power Dissipation
Repetitive Peak Reverse Voltage
Non-Repetitive Peak Forward Surge Current
Pulse Width 8.3ms
Non-Repetitive Peak Forward Current
Mean Forward Current
Thermal Resistance (Junction to Ambient) (Note 1)
Junction and Storage Temperature Range
Symbol
Value
Units
PD
500
mW
VRRM
100
V
IFSM
A
2.0
IFM
450
mA
IO
150
mA
RθJA
240
°C/W
TJ, TSTG
-65 to + 150
°C
Electrical Characteristics
Type Number
Reverse Breakdown Voltage
Symbol
IR=100uA
IR=5uA
V(BR)
Min
Max
100
Units
V
75
Forward Voltage
1N4448, 1N914B
IF=5.0mA
1N4148
IF=10.0mA
1N4448, 1N914B
IF=100.0mA
Reverse Leakage Current
Junction Capacitance
Reverse Recovery Time (Note 2)
VR=20V
VR=75V
VR=0, f=1.0MHz
VF
0.62
0.72
1.0
V
1.0
25
nA
5.0
μA
CJ
4.0
pF
Trr
4.0
ns
IR
Notes:1. Valid provided that electrodes are kept at ambient temperature
Notes:2. Reverse Recovery Test Conditions: IF=10mA, IR=60mA, RL=100Ω, IRR=1mA
Version : C09
1N4148/1N4448/1N914B
500mW High Speed Switching Diode
Small Signal Diode
Rating and Sharacteristic Curves
FIG 1 Typical Forward Characteristics
FIG 2 Reverse Current vs Reverse Voltage
100
Reverse Current (uA)
Forward Current (A)
1
0.1
Ta=25°C
0.01
10
Ta=25°C
1
0.1
0.001
0.01
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
0
20
Forward Voltage (V)
60
80
100
120
Reverse Voltage (V)
FIG 4 Typical Junction Capacitance
FIG 3 Admissible Power Dissipation Curve
1.5
Junction Capacitance (pF)
500
Power Dissipation (mW)
40
400
300
200
100
0
1.2
0.9
0.6
0.3
0
0
25
50
75
100
125
150
175
200
0
5
10
15
20
25
30
Reverse Voltage (V)
Ambient Temperature (°C)
FIG 5 Forward Resistance vs. Forward Current
Dynamic Forward Resistance (Ώ)
10000
1000
100
10
1
0
0
1
Forward Current (mA)
10
100
Version : C09