1N4148WS, 1N4448WS
SURFACE MOUNT SWITCHING DIODES
75 Volts
FEATURES
• Fast switching speed.
• Surface mount package Ideally Suited for Automatic insertion
• Electrically Identical to Standard JEDEC
• High Conductance
POWER
200 mWatts
PACKAGE
SOD-323
MECHANICAL DATA
Case: SOD-323, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight: 0.008 gram
Marking: A2, A3
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
Ratings at 25
O
C ambient temperature unless otherwise specified.
Single phase, half wave, 60 Hz, resistive or inductive load.
For capacitive load, derate current by 20%.
PARAMETER
Reverse Voltage
Peak Reverse Voltage
Rectified Current (Average), Half Wave Rectification with
Resistive Load and f >=50 Hz
Peak Forward Surge Current, 8.3ms single half
sine-wave superimposed on rated load (JEDEC method)
Power Dissipation Derate Above 25
O
C
Maximum Forward Voltage
Maximum DC Reverse Current at Rated DC Blocking Voltage
T
J
= 25
O
C
Typical Junction Capacitance( Notes1)
Maximum Reverse Recovery (Notes2)
Maximum Thermal Resistance
Storage Temperature Range
NOTE:
1. CJ at V
R
=0, f=1MHZ
2.From I
F
=10mA to I
R
=1mA, V
R
=6Volts, R
L
=100Ω
SYMBOL
V
R
V
RM
I
O
I
FSM
P
TOT
V
F
I
R
C Jo t
T
RR
RθJA
T
J
1N4148WS
75
100
150
2.0
200
1 @ I
F
=10mA
2.5
4.0
4.0
357
-55 TO +125
1N4448WS
75
100
150
4.0
200
0.72 @ I
F
=5mA
1 @ I
F
=10mA
2.5
4.0
4.0
UNITS
V
V
mA
A
mW
V
µA
pF
ns
O
C/W
O
C
www.ps-pfs.com
Part Number: 1N4148WS, 1N4448WS
PAGE 1
RATING and CHARACTERISTIC CURVES
10
10
T
A
=150
O
C
FORWARD CURRENT, mA
REVERSE CURRENT,
m
A
1.0
T
A
=125
O
C
1.0
T
A
=85 C
0.1
O
0.1
T
A
=55 C
0.01
O
T
A
=25 C
0.01
0.2
0.001
0.4
0.6
0.8
1.0
1.2
0
10
20
30
40
50
O
FORWARD VOLTAGE, Volts
REVERSE VOLTAGE, Volts
FORWARD VOLTAGE
LEAKAGE CURRENT
6.0
DIODE CAPACITANCE, pF
4.5
3.5
60
W
V
RF
=2V
2nF
5k
W
Vo
1.5
0
0
2
4
6
8
RECTIFICATION EFFCIENCY MEASUREMENT CIRCUIT
REVERSE VOLTAGE, Volts
TYPICAL CAPATICANCE
www.ps-pfs.com
Part Number: 1N4148WS, 1N4448WS
PAGE 2
This datasheet has been downloaded from:
www.EEworld.com.cn
Free Download
Daily Updated Database
100% Free Datasheet Search Site
100% Free IC Replacement Search Site
Convenient Electronic Dictionary
Fast Search System
www.EEworld.com.cn
All Datasheets Cannot Be Modified Without Permission
Copyright © Each Manufacturing Company
嵌入式系统
京公网安备 11010802033920号
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved
电子工程世界
