1N4448W-V
Vishay Semiconductors
Small Signal Fast Switching Diode
Features
• Silicon Epitaxial Planar Diode • Fast switching diode • This diode is also available in other case styles including the DO-35 case with the type designation 1N4448, the MiniMELF case with the type designation LL4448, and the SOT-23 case with the type designation IMBD4448 • AEC-Q101 qualified • Compliant to RoHS directive 2002/95/EC and in accordance to WEEE 2002/96/EC
17431
Mechanical Data
Case: SOD-123 Weight: approx. 10.3 mg Packaging codes/options: GS18 / 10 k per 13" reel (8 mm tape), 10 k/box GS08 / 3 k per 7" reel (8 mm tape), 15 k/box
Parts Table
Part 1N4448W-V Ordering code 1N4448W-V-GS18 or 1N4448W-V-GS08 Type Marking A3 Remarks Tape and Reel
Absolute Maximum Ratings
Tamb = 25 °C, unless otherwise specified
Parameter Reverse voltage Peak reverse voltage Average rectified current half wave rectification with resistive load Surge current Power dissipation
1)
Test condition
Symbol VR VRM
Value 75 100 1501) 500 5001)
Unit V V mA mA mW
f ≥ 50 Hz t < 1 s and Tj = 25 °C
IF(AV) IFSM Ptot
Valid provided that electrodes are kept at ambient temperature.
Document Number 85722 Rev. 1.4, 17-Aug-10
For technical questions within your region, please contact one of the following: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
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1N4448W-V
Vishay Semiconductors Thermal Characteristics
Tamb = 25 °C, unless otherwise specified
Parameter Thermal resistance junction to ambient air Junction temperature Storage temperature
1)
Test condition
Symbol RthJA Tj Tstg
Value 3501) 150 - 65 to + 150
Unit K/W °C °C
Valid provided that leads at a distance of 8 mm from case are kept at ambient temperature.
Electrical Characteristics
Tamb = 25 °C, unless otherwise specified
Parameter Forward voltage Test condition IF = 5 m A IF = 100 mA V R = 20 V Leakage current Capacitance Reverse recovery time Rectification efficiency V R = 75 V VR = 20 V, TJ = 150 °C VF = VR = 0 V IF = 10 mA to IR = 10 mA, VR = 6 V, RL = 100 Ω f = 100 MHz, VRF = 2 V trr ην 0.45 Symbol VF VF IR IR IR Min. 0.62 Typ. Max. 0.72 1 25 5 50 4 4 Unit V V nA µA µA pF ns
Rectification Efficieny Measurement Circuit
60 Ω VRF = 2 V
2 nF
5 kΩ VO
17436
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For technical questions within your region, please contact one of the following: Document Number 85722 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Rev. 1.4, 17-Aug-10
1N4448W-V
Vishay Semiconductors Typical Characteristics
Tamb = 25 °C unless otherwise specified
103 1.1 102 Tj = 100 °C Tj = 25 °C 1.0 Tj = 25 °C f = 1 MHz
IF (mA)
CD (0 V)
10
CD (VR)
0.9
1
0.8 10- 1 0.7 10- 2 0
18105
1
2
17440
0
2
4
6
8
10
VF (V)
VR (V)
Figure 1. Forward characteristics
Figure 4. Relative Capacitance vs. Reverse Voltage
104
5 2
Tj = 25 °C f = 1 kHz
104
5 2
103
5
103
5 2
R f (Ω )
IR (nA)
2
102
5 2
102
5 2
10
5 2
10
5 2
VR = 20 V
1 10-2
17438
10-1
1
10
102
17441
0
100
200
IF (mA)
Tj (°C)
Figure 2. Dynamic Forward Resistance vs. Forward Current
Figure 5. Leakage Current vs. Junction Temperature
mW 1000 900 800
Ptot
700 600 500 400 300 200 100 0 0 100 200 °C
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Tamb
Figure 3. Admissible Power Dissipation vs. Ambient Temperature
Document Number 85722 Rev. 1.4, 17-Aug-10
For technical questions within your region, please contact one of the following: DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com
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1N4448W-V
Vishay Semiconductors
18106
Figure 6. Admissible Repetitive Peak Forward Current vs. Pulse Duration
Package Dimensions in millimeters (inches): SOD-123
0.1 (0.004) max. 1.35 (0.053)
8°
0.45 (0.018) 0.25 (0.010)
0.5 (0.020) ref.
Cathode bar 2.85 (0.112) 2.55 (0.100)
0.15 (0.006)
0.10 (0.004)
1 (0.039)
0.2 (0.008)
0° to
Mounting Pad Layout
0.85 (0.033)
0.85 (0.033)
0.65 (0.026)
0.45 (0.018)
3.85 (0.152) 3.55 (0.140)
1.40 (0.055)
1.7 (0.067)
2.5 (0.098)
Rev. 4 - Date: 24. Sep. 2009 Document no.: S8-V-3910.01-001 (4)
17432
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For technical questions within your region, please contact one of the following: Document Number 85722 DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com Rev. 1.4, 17-Aug-10
0.85 (0.033)
Legal Disclaimer Notice
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Vishay
Disclaimer
ALL PRODUCT, PRODUCT SPECIFICATIONS AND DATA ARE SUBJECT TO CHANGE WITHOUT NOTICE TO IMPROVE RELIABILITY, FUNCTION OR DESIGN OR OTHERWISE. Vishay Intertechnology, Inc., its affiliates, agents, and employees, and all persons acting on its or their behalf (collectively, “Vishay”), disclaim any and all liability for any errors, inaccuracies or incompleteness contained in any datasheet or in any other disclosure relating to any product. Vishay makes no warranty, representation or guarantee regarding the suitability of the products for any particular purpose or the continuing production of any product. To the maximum extent permitted by applicable law, Vishay disclaims (i) any and all liability arising out of the application or use of any product, (ii) any and all liability, including without limitation special, consequential or incidental damages, and (iii) any and all implied warranties, including warranties of fitness for particular purpose, non-infringement and merchantability. Statements regarding the suitability of products for certain types of applications are based on Vishay’s knowledge of typical requirements that are often placed on Vishay products in generic applications. Such statements are not binding statements about the suitability of products for a particular application. It is the customer’s responsibility to validate that a particular product with the properties described in the product specification is suitable for use in a particular application. Parameters provided in datasheets and/or specifications may vary in different applications and performance may vary over time. All operating parameters, including typical parameters, must be validated for each customer application by the customer’s technical experts. Product specifications do not expand or otherwise modify Vishay’s terms and conditions of purchase, including but not limited to the warranty expressed therein. Except as expressly indicated in writing, Vishay products are not designed for use in medical, life-saving, or life-sustaining applications or for any other application in which the failure of the Vishay product could result in personal injury or death. Customers using or selling Vishay products not expressly indicated for use in such applications do so at their own risk and agree to fully indemnify and hold Vishay and its distributors harmless from and against any and all claims, liabilities, expenses and damages arising or resulting in connection with such use or sale, including attorneys fees, even if such claim alleges that Vishay or its distributor was negligent regarding the design or manufacture of the part. Please contact authorized Vishay personnel to obtain written terms and conditions regarding products designed for such applications. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document or by any conduct of Vishay. Product names and markings noted herein may be trademarks of their respective owners.
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Revision: 12-Mar-12
1
Document Number: 91000