1N4148WS/1N4448WS/1N914BWS
Taiwan Semiconductor
200mW High Speed SMD Switching Diode
FEATURES
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KEY PARAMETERS
Low power loss, high efficiency
Ideal for automated placement
High surge current capability
Moisture sensitivity level: level 1, per J-STD-020
RoHS Compliant
APPLICATIONS
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PARAMETER
VALUE
UNIT
VRRM
100
V
VF at IF = 100mA
1
V
TJ
150
°C
Package
SOD-323F
Configuration
Single die
Switching mode power supply (SMPS)
Adapters
Lighting application
On-board DC/DC converter
MECHANICAL DATA
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Case: SOD-323F
Molding compound meets UL 94V-0 flammability rating
Terminal: Matte tin plated leads, solderable per J-STD-002
Meet JESD 201 class 1A whisker test
Polarity: Indicated by cathode band
Weight: 4.85mg (approximately)
SOD-323F
ABSOLUTE MAXIMUM RATINGS (TA = 25°C unless otherwise noted)
PARAMETER
SYMBOL
Marking code on the device
Power dissipation
1N4148WS 1N4448WS 1N914BWS
S1
S2
UNIT
S3
PD
200
mW
VRRM
100
V
IF
150
mA
IFRM
300
mA
Junction temperature range
TJ
-65 to +150
°C
Storage temperature range
TSTG
-65 to +150
°C
Repetitive peak reverse voltage
Forward current
Non-repetitive peak forward current
1
Version: M2106
1N4148WS/1N4448WS/1N914BWS
Taiwan Semiconductor
THERMAL PERFORMANCE
PARAMETER
SYMBOL
TYP
UNIT
RӨJA
625
°C/W
Junction-to-ambient thermal resistance
ELECTRICAL SPECIFICATIONS (TA = 25°C unless otherwise noted)
PARAMETER
Forward voltage
CONDITIONS
(1)
1N4448WS
1N914BWS IF = 5 mA, TJ = 25°C
1N4148WS IF =10 mA, TJ = 25°C
1N4448WS
1N914BWS IF =100 mA, TJ = 25°C
IR = 5µA, TJ = 25°C
Reverse voltage
IR = 100µA, TJ = 25°C
Reverse current @ rated VR
(2)
Junction capacitance
Reverse recovery time
VR = 20V, TJ = 25°C
VR = 75V, TJ = 25°C
1MHz, VR = 0V
IF = 10mA, IR = 60mA,
RL = 100Ω, IRR = 1mA
SYMBOL
MIN
MAX
UNIT
0.62
0.72
V
-
1.00
V
-
1.00
V
75
-
V
100
-
V
-
25
nA
-
5
µA
CJ
-
4
pF
trr
-
4
ns
VF
VR
IR
Notes:
1. Pulse test with PW = 0.3ms
2. Pulse test with PW = 30ms
ORDERING INFORMATION
ORDERING CODE(1)
PACKAGE
PACKING
1N4148WS RRG
SOD-323F
3K / 7" Reel
1N4148WS RR
SOD-323F
3K / 7" Reel
1N4148WS R9G
SOD-323F
10K / 13" Reel
1N4148WS R9
SOD-323F
10K / 13" Reel
1N4448WS RRG
SOD-323F
3K / 7" Reel
1N4448WS RR
SOD-323F
3K / 7" Reel
1N4448WS R9G
SOD-323F
10K / 13" Reel
1N4448WS R9
SOD-323F
10K / 13" Reel
1N914BWS RRG
SOD-323F
3K / 7" Reel
1N914BWS RR
SOD-323F
3K / 7" Reel
1N914BWS R9G
SOD-323F
10K / 13" Reel
1N914BWS R9
SOD-323F
Notes:
1. “G” means green compound (halogen-free according to IEC 61249-2-21)
2
10K / 13" Reel
Version: M2106
1N4148WS/1N4448WS/1N914BWS
Taiwan Semiconductor
CHARACTERISTICS CURVES
(TA = 25°C unless otherwise noted)
Fig.1 Forward Voltage VS. Forward Current
Fig.2 Reverse Current vs Reverse Voltage
100
1.4
1
25°C
0.8
0.6
0.4
10
Reverse Current (uA)
Forward Voltage (V)
1.2
125°C
1
0.1
0.2
0
0.01
0.01
0.1
1
10
100
1000
0
20
40
Forward Current (mA)
80
120
Fig.4 Typical Junction Capacitance
1.2
10
250
10
TJ=125°C
0.1
TJ=25°C
100
0.01
50
1.0
UF1DLW
TJ=125°C
TJ=25°C
0.90.1
(A)
150
1
(A)
UF1DLW
1
Junction Capacitance (pF)
1.1
200
0.8
0.01
0.7
Pulse width
Pulse width
0.001
0
100
Reverse Volatge (V)
Fig.3 Admissible Power Dissipation Curve
Power Dissipation (mW)
60
0.3
0
0.4
25
0.5
0.6
0.7
0.8
50
75
100
0.9
125
1
1.1
150
1.2
Ambient Temperature (°C)
0.001
0.6
0.3
0.4
0
1
2
0.5
3
0.6
4
0.7
0.8
5
6
7
0.9
8
9
1
10
1.1
Reverse Voltage (V)
3
Version: M2106
1.2
1N4148WS/1N4448WS/1N914BWS
Taiwan Semiconductor
PACKAGE OUTLINE DIMENSIONS
SOD-323F
SUGGESTED PAD LAYOUT
4
Version: M2106
1N4148WS/1N4448WS/1N914BWS
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.
Purchasers are solely responsible for the choice, selection, and use of TSC products and TSC assumes no liability
for application assistance or the design of Purchasers’ products.
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: M2106
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