1N4148W, 1N4448W
SURFACE MOUNT SWITCHING DIODES
VOLTAGE
100 Volts
POWER
410 - 500 mW
FEATURES
• Fast switching Speed
• Electrically Identical to Standard JEDEC
• High Conductance
• Surface Mount Package Ideally Suited for Automatic Insertion
• Flat package SOD-123 in stead mini-MELF package.
MECHANICAL DATA
Case: SOD-123, Plastic
Terminals: Solderable per MIL-STD-202, Method 208
Approx. Weight:0.01 gram
SOD-123
MAXIMUM RATINGS AND ELECTRICAL CHARACTERISTICS
PARAMETER
Reverse Voltage
Peak Reverse Voltage
Maximum RMS Voltage
Maximum DC Blocking Voltage
Maximum Average Forward Current at Ta=25
O
C
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
SYMBOL
1N4148W
75
100
50
75
150
2.0
410
1.0
-
2.5
4.0
4.0
450
-55 TO +125
1N4448W
75
100
50
75
150
4.0
500
1.0
0.72
2.5
4.0
4.0
450
O
UNITS
V
V
V
V
mA
A
mW
V
µA
pF
ns
C/W
O
V
R
V
RM
V
RMS
V
DC
I
AV
I
FSM
P
TOT
@I
F
=10 mA
@I
F
=5 mA
V
F
I
R
CJ
T
RR
RθJA
T
J
C
NOTE:
1. CJ at V
R
=0, f=1MHZ
2.From I
F
=10mA to I
R
=1mA, V
R
=6Volts, R
L
=100Ω
Part Number: 1N4148W, 1N4448W
PAGE 1
RATING and CHARACTERISTIC CURVES
100
10
T
A
=150 C
O
REVERSE CURRENT,
m
A
FORWARD CURRENT, mA
1.0
T
A
=125 C
O
10
0.1
T
A
=85 C
O
1.0
T
A
=55
O
C
0.01
T
A
=25 C
0.1
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
Part Number: 1N4148W, 1N4448W
PAGE 2
OUTLINE DRAWING
SOD-123
.154 (3.90)
.141 (3.60)
.028 (0.70)
.019 (0.50)
.005 (.12) MAX.
.008 (.20) MAX.
.016 (.40) MIN.
Dimensions in inches and (millimeters)
Suggested Mounting Pad Layout
3.7
0.7
1.2
2.5
4.9
Dimensions in (millimeters)
© Copyright PanjIt International Inc. 2001
All rights are reserved. Reproduction in whole or in part is prohibited without the prior written consent of the copyright owner.
The information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may changed without notice. No liability
will be accepted by the publisher for any consequence of its use.
Publication thereof does not convey nor imply any license under patent or other industrial or intellectual property rights.
PanJit Internatioal Inc.
TEL:886-7-6213121
Fax:886-7-6213129
Internet: http://www.panjit.com.tw
email: sales@panjit.com.tw
Part Number: 1N4148W, 1N4448W
.053 (1.35)
.037 (.95)
.071 (1.80)
.055 (1.40)
.110 (2.80)
.098 (2.50)
PAGE 3
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