Formosa MS MCL4148/MCL4448
Formosa MS 1
High-speed switching diode
Features
1. Saving space
2. Fits onto SOD 323/SOT 23 footprints
3. Micro Melf package
Applications
Extreme fast switches
Construction
Silicon epitaxial planar
Absolute Maximum Ratings
Tj=25? Parameter Test Conditions Type Symbol Value Unit
Repetitive peak reverse voltage VRRM 100 V
Reverse voltage VR 75 V
Peak forward surge current tp=1µs IFSM 2 A
Repetitive peak forward voltage IFRM 450 mA
Forward current IF 200 mA
Average forward current VR=0 IFAV 150 mA
Power dissipation PV 500 mW
Junction temperature Tj 175 ?
Storage temperature range Tstg -65~+175
?
Maximum Thermal Resistance
Tj=25? Parameter Test Conditions Symbol Value Unit
Junction ambient on PC board 50mm×50mm×1.6mm RthJA 500 K/W
Formosa MS MCL4148/MCL4448
Formosa MS 2
Electrical Characteristics
Tj=25? Parameter Test Conditions Type Symbol
Min
Typ
Max
Unit
IF=5mA MCL4448
VF 0.62
0.72
V
IF=10mA MCL4148
VF 0.86
1 V
Forward voltage
IF=100mA MCL4448
VF 0.93
1 V
VR=20V IR 25 nA
VR=20V, Tj=150? IR 50 µA
Reverse current
VR=75V IR 5 µA
Breakdown current IR=100µA,tp/T=0.01,tp=0.3ms
V(BR) 100
V
Diode capacitance VR=0, f=1MHz, VHF=50mV CD 4 pF
Rectification efficiency VHF=2V, f=100MHz ?R 45 %
IF= IR=10mA, iR=1mA trr 8 ns Reverse recovery time IF=10mA, VR=6V, iR=0.1×IR,
RL=100O trr 4 ns
Characteristics (Tj=25? unless otherwise specified)
MCL4148
MCL4448
Formosa MS MCL4148/MCL4448
Formosa MS 3
Dimensions in mm
Cathode band
Glass Case
Micro Melf
1.9±0.1
F
1.25
- 0.05
R=2.5
1.35
Glass
Glass
