1N4148/1N4448/1N914B
500mW High Speed Switching Diode
Small Signal Diode
Fast switching device(Trr<4.0nS)
Through-hole device type mounting
Moisture sensitivity level 1
Solder hot dip Tin(Sn) lead finish
Pb free version and RoHS compliant
Min Max Min Max
Case : : DO-35 package (SOD-27) 0.45 0.55 0.018 0.022
High temperature soldering guaranteed : 260°C/10s 3.05 5.08 0.120 0.201
25.40 38.10 1.000 1.500
1.53 2.28 0.060 0.090
Package
DO-35
DO-35
DO-35
DO-35
DO-35
DO-35
Maximum Ratings
10K / 14" Reel
Power Dissipation
Part No.
1N4148 A0
1N4448 A0
Packing
5K / Ammo
5K / Ammo
PD
VRRM
10K / 14" Reel
Peak Forward Surge Current
Pluse Width = 1uS, Square Wave
1N4148 R0
1N4448 R0
Rating at 25°C ambient temperature unless otherwise specified.
Type Number
1N914B R0 10K / 14" Reel
Junction and Storage Temperature Range
Average Forward Current
IFM
IO
TJ, TSTG
RθJAThermal Resistance (Junction to Ambient)
Non-Repetitive Peak Forward Current
mA
°C
-65 to + 150
450
150
°C/W
240
mA
D
500
100
DO-35 Axial Lead
Units
V
mW
HERMETICALLY SEALED GLASS
Value
Features
Mechanical Data Unit (mm)
Dimensions
All External Surfaces are Corrosion Resistant and
Leads are Readily Solderable
Unit (inch)
IFSM 2.0 A
Maximum Ratings and Electrical Characteristics
A
B
C
Repetitive Peak Reverse Voltage
Symbol
Polarity : Indicated by cathode band
Ordering Information
1N914B A0 5K / Ammo
Weight : 109 ± 4 mg
A
B
C
D
Version : E12
1N4148/1N4448/1N914B
500mW High Speed Switching Diode
Small Signal Diode
Electrical Characteristics
IR=100uA
IR=5uA
Forward Voltage
1N4448, 1N914B IF=5.0mA
1N4148 IF=10.0mA
1N4448, 1N914B IF=100.0mA
VR=20V
VR=75V
Junction Capacitance VR=0, f=1.0MHz
Reverse Recovery Time (Note 1)
Notes: 1. Test Conditions: IF=10mA, VR=6V,RL=100Ω, IRR=1mA
Tape & Reel specification
W1
Item Symbol
K
E
Component Pitch
Untaped lead
Bent
Tape Mismatch
lead beyond tape
0.55(MAX)
Dimension(mm)
Overall width A
BTape spacing
Reel outside diameter
0
260+/-3D
0.69(MAX)
3.2Min
Glass offset
Taped lead G
D2
Reel inner diameter
Feed hole width
5.08+/-0.40
+/-0.69
1.2 Max
H
F
C
L1-L2
Reel width
20+/-0.5
72+3/-1
Trr 4.0 ns
64+1.69/-0.69
48+/-1 D1
Reverse Leakage Current IR
25
5.0
CJ
0.62 0.72
1.0
VF
pF4.0
1.0
Min Max Units
Reverse Breakdown Voltage V(BR)
100
75
52.0+/-0.69
μA
nA
V
Maximum Ratings and Electrical Characteristics
Rating at 25°C ambient temperature unless otherwise specified.
V
Type Number Symbol
E
L2
L1
F
G
H
BA
CK
W1
D1D2
D
Version : E12
1N4148/1N4448/1N914B
500mW High Speed Switching Diode
Small Signal Diode
Rating and Characteristic Curves
FIG 1 Typical Forward Characteristics
0.001
0.01
0.1
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
Forward Current (A)
FIG 3 Admissible Power Dissipation Curve
0
100
200
300
400
500
0 25 50 75 100 125 150 175 200
Power Dissipation (mW)
FIG 4 Typical Junction Capacitance
0
0.3
0.6
0.9
1.2
1.5
0 5 10 15 20 25 30
Junction Capacitance (pF)
Ambient Temperature (°C) Reverse Voltage (V)
Forward Voltage (V)
FIG 2 Reverse Current vs Reverse Voltage
Ta=25°C
f=1.0 MHz
Version : E12
