1n4148wt - Diodes Incorporated

1N4148WT
SURFACE MOUNT FAST SWITCHING DIODE
Features
Mechanical Data

Fast Switching Speed

Case: SOD-523

Small Surface Mount Package

Case Material: Molded Plastic, “Green” Molding Compound.

For General Purpose Switching Applications

High Conductance

Moisture Sensitivity: Level 1 per J-STD-020


Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)

Terminal Connections: Cathode Band


Qualified to AEC-Q101 Standards for High Reliability
Terminals: Finish - Matte Tin Annealed over Alloy 42 Leadframe.
Solderable per MIL-STD-202, Method 208

Weight: 0.0014 grams (Approximate)
UL Flammability Classification Rating 94V-0
SOD-523
Top View
Ordering Information (Notes 4 & 5)
Part Number
1N4148WT-7 (Note 5)
1N4148WTQ-7 (Note 5)
1N4148WT-13
Notes:
Compliance
Standard
Automotive
Standard
Case
SOD-523
SOD-523
SOD-523
Packaging
3,000/Tape & Reel
3,000/Tape & Reel
10,000/Tape & Reel
1. No purposefully added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
4. For packaging details, go to our website at http://www.diodes.com/products/packages.html.
5. Dispensed in every other cavity of the tape.
Marking Information
T4 = Product Type Marking Code
1N4148WT
Document number: DS30396 Rev. 15 - 2
1 of 5
www.diodes.com
September 2015
© Diodes Incorporated
1N4148WT
Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Characteristic
Non-Repetitive Peak Reverse Voltage
Reverse Voltage
RMS Reverse Voltage
Forward Continuous Current
Average Rectified Output Current
Non-Repetitive Peak Forward Surge Current
Symbol
Value
Unit
VRM
VR
100
80
53
250
125
2.0
1.0
V
V
V
mA
mA
VR(RMS)
IFM
IO
@ t = 1.0μs
@ t = 100ms
IFSM
A
Thermal Characteristics
Characteristic
Power Dissipation (Note 6)
Thermal Resistance Junction to Ambient Air (Note 6)
Operating and Storage Temperature Range
Symbol
PD
RθJA
TJ , TSTG
Value
150
833
-65 to +150
Unit
mW
°C/W
°C
Electrical Characteristics (@TA = +25°C, unless otherwise specified.)
Characteristic
Reverse Breakdown Voltage (Note 7)
Symbol
V(BR)R
Min
75
Max

Unit
V
V
Forward Voltage
VF

0.715
0.855
1.0
1.25
Peak Reverse Current (Note 7)
IR

1.0
50
30
25
μA
μA
μA
nA
Total Capacitance
CT

2.0
pF
Reverse Recovery Time
tRR

4.0
nS
Notes:
Test Conditions
IR = 1.0μA
IF = 1.0mA
IF = 10mA
IF = 50mA
IF = 150mA
VR = 75V
VR = 75V, TJ = +150°C
VR = 25V, TJ = +150°C
VR = 20V
VR = 0, f = 1.0MHz
IF = IR = 10mA,
IRR = 0.1 x IR, RL = 100Ω
6. Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/datasheets/ap02001.pdf.
7. Short duration pulse test used to minimize self-heating effect.
1N4148WT
Document number: DS30396 Rev. 15 - 2
2 of 5
www.diodes.com
September 2015
© Diodes Incorporated
IF, INSTANTANEOUS FORWARD CURRENT (A)
1N4148WT
P D, POWER DISSIPATION (mW)
200
150
100
50
1
0.1
0.01
0.001
0
0
125
25
100
50
75
TA, AMBIENT TEMPERATURE (°C)
Fig. 1 Power Derating Curve
150
1.0
0.5
1.5
0
VF, INSTANTANEOUS FORWARD VOLTAGE (V)
Fig. 2 Typical Forward Characteristics
2.0
1.8
1,000
CT, TOTAL CAPACITANCE (pF)
IR, INSTANTANEOUS REVERSE CURRENT (nA)
10,000
100
10
1
f = 1.0MHz
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0.1
0
20
40
60
80
100
VR, INSTANTANEOUS REVERSE VOLTAGE (V)
Fig. 3 Typical Reverse Characteristics
1N4148WT
Document number: DS30396 Rev. 15 - 2
3 of 5
www.diodes.com
0.0
0
10
30
40
20
V R, DC REVERSE VOLTAGE (V)
Fig. 4 Total Capacitance vs. Reverse Voltage
September 2015
© Diodes Incorporated
1N4148WT
Package Outline Dimensions
Please see AP02002 at http://www.diodes.com/datasheets/ap02002.pdf for the latest version.
SOD-523
L
H
C
SOD-523
Dim
Min
Max
A
0.25
0.35
B
0.70
0.90
C
1.50
1.70
H
1.10
1.30
K
0.55
0.65
L
0.10
0.30
M
0.10
0.12
All Dimensions in mm
M
A
K
B
Suggested Pad Layout
Please see AP02001 at http://www.diodes.com/datasheets/ap02001.pdf for the latest version.
SOD-523
X1
Y
Dimensions Value (in mm)
G
0.80
X
0.60
X1
2.00
Y
0.70
X
G
1N4148WT
Document number: DS30396 Rev. 15 - 2
4 of 5
www.diodes.com
September 2015
© Diodes Incorporated
1N4148WT
IMPORTANT NOTICE
DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT,
INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
(AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION).
Diodes Incorporated and its subsidiaries reserve the right to make modifications, enhancements, improvements, corrections or other changes
without further notice to this document and any product described herein. Diodes Incorporated does not assume any liability arising out of the
application or use of this document or any product described herein; neither does Diodes Incorporated convey any license under its patent or
trademark rights, nor the rights of others. Any Customer or user of this document or products described herein in such applications shall assume
all risks of such use and will agree to hold Diodes Incorporated and all the companies whose products are represented on Diodes Incorporated
website, harmless against all damages.
Diodes Incorporated does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel.
Should Customers purchase or use Diodes Incorporated products for any unintended or unauthorized application, Customers shall indemnify and
hold Diodes Incorporated and its representatives harmless against all claims, damages, expenses, and attorney fees arising out of, directly or
indirectly, any claim of personal injury or death associated with such unintended or unauthorized application.
Products described herein may be covered by one or more United States, international or foreign patents pending. Product names and markings
noted herein may also be covered by one or more United States, international or foreign trademarks.
This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the
final and determinative format released by Diodes Incorporated.
LIFE SUPPORT
Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express
written approval of the Chief Executive Officer of Diodes Incorporated. As used herein:
A. Life support devices or systems are devices or systems which:
1. are intended to implant into the body, or
2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the
labeling can be reasonably expected to result in significant injury to the user.
B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the
failure of the life support device or to affect its safety or effectiveness.
Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and
acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any
use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related
information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its
representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems.
Copyright © 2015, Diodes Incorporated
www.diodes.com
1N4148WT
Document number: DS30396 Rev. 15 - 2
5 of 5
www.diodes.com
September 2015
© Diodes Incorporated