1N4148WT
Surface Mount Fast Switching DiodeThe 1N4148WT is a surface mount fast switching diode from Diodes Incorporated. View the full 1N4148WT datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
1N4148WT shares its datasheet with 1N4148WT-7, whose page lists every part number it covers.
Official 1N4148WT datasheet (PDF) — the source this page was extracted from.
1N4148WT Key Specifications
| Parameter | Value |
|---|---|
| Capacitance @ Vr, F | 5pF @ 0V, 1MHz |
| Current - Average Rectified (Io) | 200mA |
| Reverse Leakage Current | 5 µA @ 75 V |
| Mounting Type | Surface Mount |
| Operating Temperature - Junction | -55°C ~ 150°C |
| Package / Case | SC-79, SOD-523F |
| Packaging | MouseReel |
| Reverse Recovery Time | 4 ns |
| Clock Speed | Small Signal =< 200mA (Io), Any Speed Hz |
| Standard Pack Qty | 8000 |
| Supplier Device Package | SOD-523F |
| Diode Technology | Standard |
| Reverse Voltage (Max) | 75 V |
| Forward Voltage (Max) | 1 V @ 10 mA |
1N4148WT Overview
Part: 1N4148WT — Diodes Incorporated
Type: Fast Switching Diode
Description: Surface mount fast switching diode featuring 4.0 ns reverse recovery time, 80 V reverse voltage rating, and 250 mA continuous forward current in a SOD523 package.
Operating Conditions:
- Supply voltage: not applicable
- Operating temperature: -55 to +150 °C
Absolute Maximum Ratings:
- Max supply voltage: 80 V (Reverse Voltage VR), 100 V (Non-Repetitive Peak Reverse Voltage VRM)
- Max continuous current: 250 mA (Forward Continuous Current IFM)
- Max junction/storage temperature: -55 to +150 °C
Key Specs:
- Reverse Breakdown Voltage: 75 V min (at IR = 1.0 μA)
- Forward Voltage: 0.715 V max (at IF = 1.0 mA)
- Forward Voltage: 1.0 V max (at IF = 50 mA)
- Forward Voltage: 1.25 V max (at IF = 150 mA)
- Peak Reverse Current: 25 nA max (at VR = 20 V)
- Peak Reverse Current: 1.0 μA max (at VR = 75 V)
- Total Capacitance: 2.0 pF max (at VR = 0, f = 1.0 MHz)
- Reverse Recovery Time: 4.0 ns max (at IF = IR = 10 mA, IRR = 0.1 × IR, RL = 100 Ω)
Features:
- Fast Switching Speed
- Very Small Surface Mount Package
- High Conductance
- Totally Lead-Free & Fully RoHS Compliant
- Halogen and Antimony Free, "Green" Device
- AEC-Q101 qualified variant available (1N4148WTQ)
Applications:
- General Purpose Switching Applications
- Automotive applications (1N4148WTQ)
Package:
- SOD523 (0.8 mm × 1.2 mm body size, 1.6 mm length including leads)
1N4148WT Features
- Fast Switching Speed
- Very Small Surface Mount Package
- For General Purpose Switching Applications
- High Conductance
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. 'Green' Device (Note 3)
- The 1N4148WTQ is suitable for automotive applications requiring specific change control; this part is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities.
https://www.diodes.com/quality/product-definitions/
SOD523
Top View
1N4148WT Electrical Characteristics
| Characteristic | Symbol | Min | Max | Unit | Test Conditions |
|---|---|---|---|---|---|
| Reverse Breakdown Voltage (Note 7) | V (BR)R | 75 | - | V | I R = 1.0μA |
| Forward Voltage | V F | - - - - | 0.715 0.855 1.0 1.25 | V | I F = 1.0mA I F = 10mA I F = 50mA I F = 150mA |
| Peak Reverse Current (Note 7) | I R | - - - - | 1.0 50 30 25 | μA μA μA nA | V R = 75V V R = 75V, T J = +150°C V R = 25V, T J = +150°C V R = 20V |
| Total Capacitance | C T | - | 2.0 | pF | V R = 0, f = 1.0MHz |
| Reverse Recovery Time | t RR | - | 4.0 | ns | I F = I R = 10mA I RR = 0.1 x I R , R L = 100Ω |
Notes:
-
Part mounted on FR-4 PC board with recommended pad layout, which can be found on our website at http://www.diodes.com/package-outlines.html.
-
Short duration pulse test used to minimize self-heating effect.
1N4148WT
1N4148WT Absolute Maximum Ratings
| Characteristic | Characteristic | Symbol | Value | Unit |
|---|---|---|---|---|
| Non-Repetitive Peak Reverse Voltage | Non-Repetitive Peak Reverse Voltage | V RM | 100 | V |
| Reverse Voltage | Reverse Voltage | V R | 80 | V |
| RMS Reverse Voltage | RMS Reverse Voltage | V R(RMS) | 53 | V |
| Forward Continuous Current | Forward Continuous Current | I FM | 250 | mA |
| Average Rectified Output Current | Average Rectified Output Current | I O | 125 | mA |
| Non-Repetitive Peak Forward Surge Current | @t = 1.0μs @t = 100ms | I FSM | 2.0 1.0 | A |
1N4148WT Thermal Information
| Characteristic | Symbol | Value | Unit |
|---|---|---|---|
| Power Dissipation (Note 6) | P D | 150 | mW |
| Thermal Resistance Junction to Ambient Air (Note 6) | R θJA | 833 | °C/W |
| Operating and Storage Temperature Range | T J , T STG | -55 to +150 | °C |
1N4148WT Package Information
- Package: SOD523
- Package Material: Molded Plastic, 'Green' Molding Compound. UL Flammability Classification Rating 94V-0
- Moisture Sensitivity: Level 1 per J-STD-020
- Terminal Connections: Cathode Band
- Terminals: Finish-Matte Tin Annealed over Alloy 42 Lead-Frame. Solderable per MIL-STD-202, Method 208
- Weight: 0.0014 grams (Approximate)
Device Schematic
T4 = Product Type Marking Code A Bar on Top of the Letter 'T' Denotes AT Site
Variants on the same datasheet
These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.
| Part Number | Manufacturer | Package |
|---|---|---|
| 1N4148WT-13 | Diodes Incorporated | SOD523 |
| 1N4148WT-7 | Diodes Incorporated | SC-79, SOD-523 |
| 1N4148WT-76K | Diodes Incorporated | SOD523 |
| 1N4148WTQ | Diodes Incorporated | SOD523 |
| 1N4148WTQ-7 | Diodes Incorporated | SOD523 |
Other Discrete Semiconductors
- 2N3904 – onsemi, NPN General - Purpose Amplifier
- AO3401A – Alpha & Omega Semiconductor, P-Channel MOSFET
- 1N4148W-13-F – Diodes Incorporated, Surface-Mount Fast Switching Diode
- 1N4148W-7-F – Diodes Incorporated, Surface-Mount Fast Switching Diode
- 1N4148WS – onsemi, Fast Switching Diode
- 1N4148WS-13-F – Diodes Incorporated, Fast Switching Diode
- 1N4148WS-7-F – Diodes Incorporated, Fast Switching Diode
- 1N4148WSQ – Diodes Incorporated, Fast Switching Diode
All Discrete Semiconductors datasheetsAll Diodes datasheets (217)
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