Page 1
1N4148 / 1N4448 / 1N914B
FEATURES
● Low power loss, high efficiency
● Ideal for automated placement
● High surge current capability
● Compliant to RoHS directive 2011/65/EU and
in accordance to WEEE 2002/96/EC
● Halogen-free according to IEC 61249-2-21
APPLICATIONS
● Switching mode power supply (SMPS)
MECHANICAL DATA
● Case: DO-35
● Packing code with suffix "G" means green compound
(halogen-free)
● Terminal: Matte tin plated leads, solderable per J-STD-002
● Polarity: Indicated by cathode band
● Weight: 109 ± 4 mg (approximately)
KEY PARAMETERS
PARAMETER
VALUE
UNIT
I
F(AV)
150
mA
V
RRM
100
V
I
FSM
2
A
VF at IF=100mA
1
V
T
J MAX
150
°C
Package
DO-35
Configuration
Singal dice
ABSOLUTE MAXIMUM RATINGS (T
A
= 25°C unless otherwise noted)
PARAMETER
SYMBOL
PART NUMBER
UNIT
Power dissipation
PD
500
mW
Repetitive peak reverse voltage
V
RRM
100
V
Repetitive peak forward current
Pluse width = 1μs, Square wave
I
FSM
2
A
Non-Repetitive peak forward current
I
FRM
450
mA
Forward current
I
F(AV)
150
mA
Junction temperature range
TJ
-65 to +150
°C
Storage temperature range
T
STG
-65 to +150
°C
THERMAL PERFORMANCE
PARAMETER
SYMBOL
LIMIT
UNIT
Junction-to-ambient thermal resistance
R
ӨJA
240
°C/W
Taiwan Semiconductor
500mW, High Speed Switching Diode
1 Version:I1702
Page 2
1N4148 / 1N4448 / 1N914B
ELECTRICAL SPECIFICATIONS (T
A
= 25°C unless otherwise noted)
PARAMETER
CONDITIONS
SYMBOL
MIN
MAX
UNIT
Forward voltage
per diode
(1)
1N4448,1N914B
IF = 5 mA,
TJ = 25°C
VF
0.62
0.72
V
1N4148
IF = 10 mA,
TJ = 25°C
-
1.00
1N4448,1N914B
IF = 100 mA,
TJ = 25°C
-
1.00
Reverse voltage
IR = 100 μA, TJ = 25°C
VR
100
-
V
IR = 5 μA, TJ = 25°C
75
-
Reverse current
@ rated VR per
diode
(2)
VR = 20 V, TJ = 25°C
IR
-
25
nA
VR = 75 V, TJ = 25°C
-
5
μA
Junction
capacitance
1 MHz, VR=0V
CJ
-
4
pF
Reverse
recovery time
IF= 10mA , VR=6V, RL= 100Ω ,
IRR= 1mA
Trr
-
4
ns
ORDERING INFORMATION
PART NO.
PACKING
CODE
PACKING CODE
SUFFIX(*)
PACKAGE
PACKING
1Nxxxx
(Note 1&2)
R0
G
DO-35
10K / 14" Reel
A0
5K / Box(Ammo)
EXAMPLE
EXAMPLE P/N
PART NO.
PACKING CODE
PACKING CODE
SUFFIX
DESCRIPTION
1N4148 R0G
1N4148
R0
G
Green compound
Taiwan Semiconductor
Notes:
1. Pulse test with PW=0.3 ms
2. Pulse test with PW=30 ms
Notes:
1. "xxxx" is device code from 4148 to 914B
*: optional available
2 Version:I1702
Page 3
CHARACTERISTICS CURVES
Fig.1 Typical Forward Characteristics
Fig. 2 Reverse Current VS. Reverse Voltage
Fig.3 Admissible Power Dissipation Curve
Fig.4 Typical Junction Capacitance
0.001
0.01
0.1
1
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
Ta=25°C
1
10
100
1000
10000
0 20 40 60 80 100 120
100°C
70°C
50°C
Ta=25°C
0
100
200
300
400
500
0 25 50 75 100 125 150 175 200
0
0.3
0.6
0.9
1.2
1.5
0 5 10 15 20 25 30
f=1.0 MHz
Reverse Current :lR (nA)
Forward Voltage (V)
Ambient Temperature (oC)
Reverse Voltage : VR (V)
Forward Current (A)
Power Dissipation (mW)
Reverse Voltage (V)
Junction Capacitance (pF)
(TA = 25°C unless otherwise noted)
1N4148 / 1N4448 / 1N914B
Taiwan Semiconductor
3 Version:I1702
Page 4
PACKAGE OUTLINE DIMENSION
DO-35
DIM.
Unit(mm)
Unit(inch)
Min
Max
Min
Max
A
0.34
0.60
0.013
0.024
B
2.90
5.08
0.114
0.200
C
25.40
38.10
1.000
1.500
D
1.30
2.28
0.051
0.090
MARKING DIAGRAM
1N4148 / 1N4448 / 1N914B
Taiwan Semiconductor
4 Version:I1702
Page 5
1N4148 / 1N4448 / 1N914B
Taiwan Semiconductor
Notice
Specifications of the products displayed herein are subject to change without notice. TSC or anyone on its behalf,
assumes no responsibility or liability for any errors or inaccuracies.
Information contained herein is intended to provide a product description only. No license, express or implied, to
any intellectual property rights is granted by this document. Except as provided in TSC’s terms and conditions of
sale for such products, TSC assumes no liability whatsoever, and disclaims any express or implied warranty,
relating to sale and/or use of TSC products including liability or warranties relating to fitness for a particular purpose,
merchantability, or infringement of any patent, copyright, or other intellectual property right.
The products shown herein are not designed for use in medical, life-saving, or life-sustaining applications.
Customers using or selling these products for use in such applications do so at their own risk and agree to fully
indemnify TSC for any damages resulting from such improper use or sale.
5 Version:I1702
Loading...