®
TAK CHEONG
SE M ICOND U CTOR
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
+150
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
75
25
5
0.62
0.72
1.0
1.0
Volts
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
=100
I
RR
=1mA
T
RR
Reverse Recovery Time
4
nS
C
Capacitance
V
R
=0V, f=1M
HZ
4
pF
Number: DB-055
Jan 2011 / H
Page 1
TCLL4148/TCLL4448/TCLL914B
®
TAK CHEONG
SE M ICOND U CTOR
Typical Characteristics
500
1.5
PD-Power Passipation [mW]
Total Capacitance [pF]
400
300
200
100
0
0
25
50
75
100
125
Tem perature [
℃
]
150
175
f = 1MHz
Ta = 25
℃
1.0
0.5
0.0
0
5
10
15
20
25
30
VR - Reverse Voltage [V]
Figure 1. Power Dissipation vs Ambient Temperature
Valid provided leads at a distance of 0.8mm from case are kept at
ambient temperature
Figure 2. Total Capacitance
160
60
IR - Leakage Current [nA]
BV - Reverse Voltage [V]
Ta=25
℃
150
140
50
40
30
20
10
0
Ta=25
℃
130
120
110
1
10
100
IR - Reverse Current [uA]
10
VR - Reverse Voltage [V]
100
Figure 3. Reverse Voltage vs Reverse Current
BV – 1.0uA to 100uA
Figure 4. Reverse Current vs Reverse Voltage
IR – 10V to 100V
1500
1400
Ta=25
℃
1300
1200
1100
1000
900
800
700
600
500
400
300
200
100
0.001
1000
VF - Forward Voltage [mV]
VF - Forward Voltage (mV)
800
Ta= -40
℃
Ta=25
℃
400
Ta=65
℃
Ta=125
℃
200
600
0.100
10.000
IF - Forw ard Current [mA]
1000.000
0
0.01
0.1
1
10
IF - Forw ard Current (m A)
100
Figure 5. Forward Voltage vs Forward Current
VF – 0.001mA to 800mA
Figure 6. Forward Voltage vs Ambient Temperature
VF – 0.01mA to 100mA (-40 to +125 Deg C)
Number: DB-055
Jan 2011 / H
Page 2
®
TAK CHEONG
SE M ICOND U CTOR
Package Outline
Package
Case Outline
B
LL-34
DIM
LL34
A
A
B
C
C
Min
3.30
1.40
0.35
Millimeters
Max
3.60
1.50
0.50
Min
0.130
0.055
0.014
Inches
Max
0.142
0.059
0.020
Notes:
1.
2.
All dimensions are within DO213AC JEDEC standard.
LL-34 polarity denoted by cathode band.
Number: DB-055
Jan 2011 / H
Page 3
TAK CHEONG
®
DISC LA I MER NOTIC E
NOTICE
The information presented in this document is for reference only. Tak Cheong reserves the right to make
changes without notice for the specification of the products displayed herein.
The product listed herein is designed to be used with ordinary electronic equipment or devices, and not
designed to be used with equipment or devices which require high level of reliability and the malfunction of with
would directly endanger human life (such as medical instruments, transportation equipment, aerospace
machinery, nuclear-reactor controllers, fuel controllers and other safety devices), Tak Cheong Semiconductor
Co., Ltd., or anyone on its behalf, assumes no responsibility or liability for any damagers resulting from such
improper use of sale.
This publication supersedes & replaces all information reviously supplied. For additional information, please visit
our website
http://www.takcheong.com,
or consult your nearest Tak Cheong’s sales office for further assistance.
Number: DB-100
April 14, 2008 / A
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