# LL4148, LL4448 Small Signal Fast Switching Diodes

## Features
· Silicon epitaxial planar diodes
· AEC-Q101 qualified
· RoHS and WEEE compliant
· Electrical characteristics match 1N4148/1N4448

## Applications
· Extreme fast switches

## Parts Table

Part	VRRM (V)	VF (max, mV at IF)	Ordering Code
LL4148	100	1000 (IF=50mA)	LL4148-GS18 / LL4148-GS08
LL4448	100	1000 (IF=100mA)	LL4448-GS18 / LL4448-GS08

## Absolute Maximum Ratings (Tamb = 25°C)
· Repetitive Peak Reverse Voltage (VRRM): 100V
· Peak Forward Surge Current (IFSM): 2A
· Forward Continuous Current (IF): 300mA
· Power Dissipation (Ptot): 500mW

## Thermal Characteristics (Tamb = 25°C)
· Thermal Resistance Junction to Ambient (RthJA): 300 K/W
· Junction Temperature (Tj): 175°C
· Storage Temperature Range (Tstg): -65 to +175°C

## Electrical Characteristics (Tamb = 25°C)
· Forward Voltage (VF): 620-1000mV (depending on part and IF)
· Reverse Current (IR): 25nA to 5µA (depending on VR)
· Breakdown Voltage (V(BR)): 100V
· Diode Capacitance (CD): 4pF
· Reverse Recovery Time (trr): 4-8ns (depending on conditions)

## Packaging
· GS18: 10K per 13" reel (8mm tape)
· GS08: 2.5K per 7" reel (8mm tape)

## Mechanical Data
· Case: MiniMELF SOD-80
· Weight: approx. 31mg
· Cathode Band Color: Black

## Package Dimensions
· See datasheet for detailed dimensions (MiniMELF SOD-80)