SCS
WILLAS
1N4448 SIGNAL DIODE
FEATURES
Absolute Maximum Ratings (Ta=25 C)
°
Ratings
75
4
Dimensions (DO-35
)
Unit
Items
Symbol
* Extremely Low VF
Reverse Voltage
VR
*
V
Extremely thin package
Reverse Recovery
trr
ns
* Low stored charge
Time
1.02(26.0)
* Majority carrier conduction
MIN.
Power Dissipation
P
500
mW
3.33mW/
°
C (25
°
C)
Forward Current
IF
500
mA
.153(3.6)
Junction Temp.
Tj
-65 to 175
°
C
.132(3.0)
Storage Temp.
Tstg -65 to 175
°
C
1N4448
VOL
0.1AMP Schot
Pb Free Product
.012
.022(0.55)
.018(0.45)
SO
C
.112 (2.85)
.100 (2.55)
.076 (1.95)
.059 (1.5)
.087(2.2)
.067(1.7)
Mechanical Data
Items
Package
Case
Lead/Finish
Chip
Materials
DO-35
Hermetically sealed glass
Double stud/Solder Plating
Glass Passivated
* Case:Molded plastic, JEDEC SOD-323(SC-76)
MIN.
1.0 (26 0)
* Terminal : Solder plated, solderable
2
per
.
MIL-STD-750,
Method 2026
* Polarity : Indicated by cathode band
* Mounting Position : Any
* Weight : 0.000159 ounce, 0.0045 gram
Dimensions in millimeters
Marking C
Electrical Characteristics (Ta=25
°
C)
Ratings
Symbol
Ratings
Unit
Minimum Breakdown Voltage
BV
V
IR= 5.0uA
75
IR= 100uA
100
o
Peak Forward Surge Current PW= 1sec.
Rating 25 C ambient temperature unless otherwise specified.
IFsurge
1.0
A
Single phase half wave, 60Hz, resistive of inductive load.
Maximum Forward Voltage
VF
V
For capacitive load, derate current by 20%
IF= 100mA
1.0
Maximum Reverse Current
IR
uA
Conditions
Parameter
VR= 20V
0.025
Repetitive Peak Reverse Voltage
VR= 75V
5.0
VR= 20V, Tj= 150
°
C
50
Continuous Reverse Voltage
Maximum Junction Capacitance
Cj
pF
I
F
= 10mA DC
Forward Voltage
VR= 0, f= 1 MHz
4
I
F
= 100mA DC
Maximum Reverse Recovery Time
trr
ns
Reverse Current
V
R
= 10V DC
IF= 10mA, VR= 6V, IRR= 1mA, RL= 100
Ω
4
Mean Rectifying Current
Peak forward surge current
Capacitance between terminals
Operating Temperature
Storage Temperature
MAXIMUM RATING AND ELECTRICAL CHARA
WILLAS ELECTRONIC CORP.
.004 (0.1)
max.
MECHANICAL DATA
.043 (1.1)
Symb
V
RM
V
R
V
F
V
F2
I
R
I
O
I
FSM
C
T
T
J
T
STG
WILLAS [ WILLAS ELECTRONIC CORP ]
