Elektronische Bauelemente
1N4448W
Surface Mount Fast Switching Diode
01-Jun-2004 Rev. B Page 1 of 2
SOD-123
Cathode Band
G
EA
J
F
D
H
C B
1
2
RoHS Compliant Product
A suffix of “-C” specifies halogen & lead-free
DESCRIPTION
z Fast switching speed
z Ultra-Small surface mount package
z For general purpose switching applications
z High conduct ance
z Also available in lead-free version
MECHANICAL DATA
z Case: SOD-123, Plastic
z Epoxy: UL 94V-0 rate flame retardant
z Metallurgi cally bonded construction
z Polarity: Color band denotes cathode end
z Mounting position: Any
z Weight: 0.0094 gra ms
MARKING
T5
ABSOLUTE MAXIMUM RATINGS
(at Ta = 25°C unless otherwise specified, single phase half wave, 60Hz, resistive or inductive load. For capacitive load, derate current by 20%.)
Parameter Symbol Value Unit
Non-Repetitive Peak Reverse Voltage V
RM
100 V
Peak Repetitive Reverse Voltage V
RRM
Working Peak Reverse Voltage V
RWM
DC Blocking Voltage V
R
75 V
RMS Reverse Voltage V
R(RMS)
53 V
Forward Continuous Current I
FM
500 mA
Average Rectified Output Current I
O
250 mA
Non-Repetitive Peak Forward Surge Current
@ t = 1.0µs
@ t = 1.0s
I
FSM
4.0
2.0
A
Power Dissipation (Note 1) P
D
400 mW
Thermal Resistance Junction to Ambient Air (Note 1) R
θJA
315 ℃ / W
Operating Temperature, Storage Temperature T
J
, T
STG
-65 ~ 150 ℃
ELECTRICAL CHARACTERISTICS
(at Ta = 25°C unless otherwise specified)
Parameters Symbol Min. Max. Unit Test Conditions
Reverse Breakdown Voltage V
RM
75 - V I
R
= 1.0µA
Forward Voltage (Note 2) V
FM
-
0.715
0.855
1.0
1.25
V
I
F
= 1.0 mA
I
F
= 10 mA
I
F
= 50 mA
I
F
= 150 mA
Peak Reverse Current (Note 2) I
RM
-
2.5
50
30
25
µA
µA
µA
nA
V
R
= 75V
V
R
= 75V, T
J
= 150 °C
V
R
= 25V, T
J
= 150 °C
V
R
= 20V
Total Capacitance C
T
- 4.0 pF V
R
= 0, f = 1.0 MHz
Reverse Recovery Time t
RR
- 4.0 nS
I
F
= I
R
= 10mA,
I
rr
= 0.1x I
R
, R
L
= 100 Ω
NOTES: 1. Part mounted on FR-4 PC board with recommended pad layout
2. Short duration test pulse used to minimize self-heating effect.
Millimete
Millimete
REF.
Min. Max.
REF.
Min. Max.
A 1.05 1.25 F 1.50 1.70
B 0.10 REF. G 2.60 2.80
C 1.05 1.15 H 3.55 3.85
D 0.45 0.65 J 0.50 REF.
E 0.08 0.15
