Overview
The 1N4148WS is a high-speed switching diode manufactured by Yangzhou Yangjie Electronic Technology Co., Ltd. This diode is designed for general-purpose applications and is known for its fast switching capabilities and small, thin SMD package. It is RoHS compliant and features a matte tin (Sn) lead finish and green mold compound, making it suitable for a wide range of electronic devices.
Key Specifications
| Parameter | Symbol | Unit | Value |
|---|---|---|---|
| Repetitive Peak Reverse Voltage | VRRM | V | 75 |
| Non-Repetitive Peak Reverse Voltage | VRSM | V | 100 |
| Continuous Forward Current | IO | mA | 150 |
| Non-Repetitive Peak Forward Surge Current (t = 1 ms square wave) | IFSM | A | 1.5 |
| Power Dissipation (TC = 25°C) | PD | mW | 200 |
| Operating Junction Temperature | TJ | °C | -55 to +150 |
| Storage Temperature Range | TSTG | °C | -55 to +150 |
| Thermal Resistance, Junction-to-Ambient | RθJ-A | °C/W | 500 |
| Forward Voltage (IF = 10 mA) | VF | V | 1 |
| Reverse Recovery Time (IF = 10 mA, IR = 1 mA, VR = 6 V, RL = 100 Ω) | Trr | ns | 4 |
| Junction Capacitance (VR = 0 V, f = 1 MHz) | Cj | pF | 4 |
Key Features
- High-speed switching diode with fast reverse recovery time (TRR < 4.0 ns).
- Very small and thin SMD package (SOD-323).
- Moisture sensitivity level 1.
- Matte tin (Sn) lead finish and green mold compound, RoHS compliant.
- Low forward voltage drop (VF = 1 V at IF = 10 mA).
- Low reverse leakage current (IR = 5 μA at VR = 75 V).
Applications
- High frequency rectifiers.
- Signal switching and general-purpose switching applications.
- Automotive electronics, industrial, power supply, home appliances, LED lighting, security, telecommunication, and consumer electronics.
Q & A
- What is the repetitive peak reverse voltage of the 1N4148WS diode?
The repetitive peak reverse voltage (VRRM) is 75 V.
- What is the continuous forward current rating of the 1N4148WS diode?
The continuous forward current (IO) is 150 mA.
- What is the non-repetitive peak forward surge current rating for a 1 ms square wave pulse?
The non-repetitive peak forward surge current (IFSM) for a 1 ms square wave pulse is 1.5 A.
- What is the operating junction temperature range of the 1N4148WS diode?
The operating junction temperature range is -55°C to +150°C.
- What is the thermal resistance from junction to ambient for the 1N4148WS diode?
The thermal resistance from junction to ambient (RθJ-A) is 500°C/W.
- What is the forward voltage drop at 10 mA forward current?
The forward voltage drop (VF) at 10 mA forward current is 1 V.
- What is the reverse recovery time of the 1N4148WS diode?
The reverse recovery time (Trr) is 4 ns.
- Is the 1N4148WS diode RoHS compliant?
Yes, the 1N4148WS diode is RoHS compliant.
- What package type does the 1N4148WS diode come in?
The 1N4148WS diode comes in a SOD-323 package.
- What are some common applications of the 1N4148WS diode?
Common applications include high frequency rectifiers, signal switching, automotive electronics, industrial, power supply, home appliances, LED lighting, security, telecommunication, and consumer electronics.
