®
TAK CHEONG
SEM IC O N DU C TO R
500 mW LL-34 Hermetically
Sealed Glass Fast Switching
Diodes
SURFACE MOUNT
LL34
Absolute Maximum Ratings
Symbol
P
D
T
STG
T
J
W
IV
I
O
I
FM
I
FSURGE
Power Dissipation
T
A
= 25°C unless otherwise noted
Value
500
-65 to +150
+175
75
150
450
2
Units
mW
°C
°C
V
mA
mA
A
Cathode Band Color : Black
DEVICE MARKING DIAGRAM
Parameter
Storage Temperature Range
Operating Junction Temperature
Working Inverse Voltage
Average Rectified Current
Non-repetitive Peak Forward Current
Peak Forward Surge Current
(Pulse Width = 1.0 µsecond)
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Fast Switching Device (T
RR
<4.0 nS)
LL-34 (Mini-MELF) Package
Surface Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And Terminals Are Readily Solderable
RoHS Compliant
Matte Tin (Sn) Terminal Finish
Color band Indicates Negative Polarity
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Symbol
B
V
Breakdown Voltage
T
A
= 25°C unless otherwise noted
Parameter
Test Condition
I
R
=100µA
I
R
=5µA
Limits
Min
100
Volts
75
25
5
0.62
0.72
1.0
1.0
Volts
nA
µA
Max
Unit
I
R
Reverse Leakage Current
V
R
=20V
V
R
=75V
V
F
Forward Voltage
TCLL4448, TCLL914B
TCLL4148,
TCLL4148
TCLL4448, TCLL914B
I
F
=5mA
I
F
=10mA
I
F
=100mA
I
F
=10mA, V
R
=6V
R
L
=100Ω
I
RR
=1mA
T
RR
Reverse Recovery Time
4
nS
C
Capacitance
V
R
=0V, f=1M
HZ
4
pF
Number: DB-055
June 2008 / F
Page 1
TCLL4148/TCLL4448/TCLL914B