1N4148WT-7
Surface Mount Fast Switching DiodeThe 1N4148WT-7 is a surface mount fast switching diode from Diodes Incorporated. View the full 1N4148WT-7 datasheet below including key specifications, electrical characteristics, absolute maximum ratings.
Official 1N4148WT-7 datasheet (PDF) — the source this page was extracted from.
1N4148WT-7 Key Specifications
| Parameter | Value |
|---|---|
| Average Rectified Current | 125 mA |
| Capacitance | 2 pF |
| Capacitance @ Vr, F | 2pF @ 0V, 1MHz |
| China RoHS | Compliant |
| Contact Plating | Tin |
| Current - Average Rectified (Io) | 125mA |
| Reverse Leakage Current | 1 µA @ 75 V |
| Current Rating | 125 mA |
| Element Configuration | Single |
| Forward Current | 250 mA |
| Forward Voltage | 1.25 V |
| Height | 650 µm |
| Introduction Date | 2003-07-15 |
| Lead Free | Lead Free |
| Length | 900 µm |
| Lifecycle Status | Production (Last Updated: 6 months ago) |
| Max Forward Surge Current (Ifsm) | 2 A |
| Max Junction Temperature (Tj) | 150 °C |
| Max Operating Temperature | 150 °C |
| Max Output Current | 125 mA |
| Max Power Dissipation | 150 mW |
| Max Repetitive Reverse Voltage (Vrrm) | 100 V |
| Max Reverse Voltage (DC) | 80 V |
| Max Surge Current | 2 A |
| Min Breakdown Voltage | 75 V |
| Min Operating Temperature | -65 °C |
| Mount | Surface Mount |
| Mounting Type | Surface Mount |
| Number of Elements | 1 |
| Number of Pins | 2 |
| Number of Terminals | 2 |
| Operating Temperature - Junction | -65°C ~ 150°C |
| Output Current | 125 mA |
| Package / Case | SC-79, SOD-523 |
| Packaging | Cut Tape |
| Peak Non-Repetitive Surge Current | 2 A |
| Peak Reverse Current | 1 µA |
| Polarity | Standard |
| Power Dissipation | 150 mW |
| Power Rating | 150 mW |
| Radiation Hardening | No |
| REACH SVHC | Yes |
| Recovery Time | 4 ns |
| Reverse Recovery Time | 4 ns |
| Reverse Recovery Time | 4 ns |
| Reverse Standoff Voltage | 75 V |
| Reverse Voltage | 80 V |
| RoHS | Compliant |
| Schedule B | 8541100070, 8541100070|8541100070|8541100070|8541100070|8541100070 |
| Clock Speed | Small Signal =< 200mA (Io), Any Speed Hz |
| Supplier Device Package | SOD-523 |
| Diode Technology | Standard |
| Reverse Voltage (Max) | 80 V |
| Forward Voltage (Max) | 1 V @ 50 mA |
| Voltage Rating (DC) | 80 V |
| Weight | 992.233309 µg |
| Width | 1.3 mm |
1N4148WT-7 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-7 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-7 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-7 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-7 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-7 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 | Diodes Incorporated | SC-79, SOD-523F |
| 1N4148WT-13 | Diodes Incorporated | SOD523 |
| 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)
Ask your AI agent about the 1N4148WT-7
Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.
claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp
Then ask: "Can the 1N4148WT-7 run from my 12 V rail? Check it against the datasheet limits."
Create a free account $2 of usage every month, no card needed.