The Vishay LL4148-GS08 is a silicon epitaxial planar small-signal fast switching diode with electrical characteristics corresponding to the 1N4148. It is designed for high-speed switching and general small-signal applications and is supplied in a compact MiniMELF SOD-80 surface-mount package.
The device is rated for 100V repetitive peak reverse voltage and 75V continuous reverse voltage. It supports 300mA continuous forward current, 150mA average forward current, and 500mA repetitive peak forward current. Peak forward surge current reaches 2A for a 1µs pulse.
At IF = 50mA, forward voltage is 0.86V typical and 1.0V maximum. Maximum reverse leakage current is 25nA at 20V and 5µA at 75V. Minimum breakdown voltage is specified at 100V under the datasheet test condition.
Maximum diode capacitance is only 4pF at 0V and 1MHz. Reverse recovery time is specified up to 8ns under one test condition and up to 4ns under the alternate 10mA/6V condition, supporting high-speed signal switching.
Maximum power dissipation is 500mW under the specified thermal condition. Junction-to-ambient thermal resistance is 300K/W, maximum junction temperature is 175°C, and storage temperature ranges from -65°C to +175°C.
The exact LL4148-GS08 uses a MiniMELF SOD-80 package and is supplied on a 7-inch, 8mm tape reel with 2,500 devices per reel. The package weighs approximately 31mg and uses a black cathode band.
Key Features:
- Manufacturer: Vishay
- Part Number: LL4148-GS08
- Device Type: Small-Signal Fast Switching Diode
- Construction: Silicon Epitaxial Planar
- Configuration: Single
- Electrically Corresponds to: 1N4148
- Repetitive Peak Reverse Voltage: 100V
- Continuous Reverse Voltage: 75V
- Continuous Forward Current: 300mA
- Average Forward Current: 150mA
- Repetitive Peak Forward Current: 500mA
- Peak Surge Current: 2A at 1µs
- Forward Voltage: 1.0V Max at 50mA
- Reverse Leakage: 25nA Max at 20V
- Reverse Leakage: 5µA Max at 75V
- Breakdown Voltage: 100V Min
- Diode Capacitance: 4pF Max
- Reverse Recovery Time: Up to 8ns
- Power Dissipation: 500mW
- Thermal Resistance RθJA: 300K/W
- Maximum Junction Temperature: 175°C
- Storage Temperature: -65°C to +175°C
- Package: MiniMELF / SOD-80
- Mounting Type: Surface Mount
- Packaging: Tape & Reel
- GS08 Reel Quantity: 2,500 pcs.
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