Number: DB-055
Jan 2011 / H
Page 1
S E M IC O N D U C T OR
TAK CHEONG
®
500 mW LL-34 Hermetically
Sealed Glass Fast Switching
Diodes
Absolute Maximum Ratings TA = 25°C unless otherwise noted
Symbol Parameter Value Units
PD Power Dissipation 500 mW
TSTG Storage Temperature Range -65 to +150
°C
TJ Operating Junction Temperature +150 °C
WIV Working Inverse Voltage 75 V
IO Average Rectified Current 150 mA
IFM Non-repetitive Peak Forward Current 450 mA
IFSURGE Peak Forward Surge Current
(Pulse Width = 1.0 µsecond) 2 A
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Fast Switching Device (TRR <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 Characteristics TA = 25°C unless otherwise noted
Limits
Symbol Parameter Test Condition
Min Max
Unit
BV Breakdown Voltage IR=100µA
IR=5µA
100
75
Volts
IR Reverse Leakage Current VR=20V
VR=75V
25
5
nA
µA
VF Forward Voltage TCLL4448, TCLL914B
TCLL4148, TCLL4148
TCLL4448, TCLL914B
IF=5mA
IF=10mA
IF=100mA
0.62 0.72
1.0
1.0
Volts
TRR Reverse Recovery Time IF=10mA, VR=6V
RL=100
IRR=1mA
4 nS
C Capacitance VR=0V, f=1MHZ 4 pF
Cathode
ELECTRICAL SYMBOL
TCLL4148/TCLL4448/TCLL914B
DEVICE MARKING DIAGRAM
Cathode Band Color : Black
SURFACE MOUNT
LL34
Number: DB-055
Jan 2011 / H
Page 2
S E M IC O N D U C T OR
TAK CHEONG
®
Typical Characteristics
0
100
200
300
400
500
0 25 50 75 100 125 150 175
Temperature [℃]
PD-Power Passipation [mW]
f = 1MHz
Ta = 25℃
0.0
0.5
1.0
1.5
0 5 10 15 20 25 30
VR - Reverse Voltage [V]
Total Capacitance [pF]
Ta=25℃
110
120
130
140
150
160
1 10 100
IR - Reverse Current [uA]
BV - Reverse Voltage [V]
Ta=25℃
0
10
20
30
40
50
60
10 100
VR - Reverse Voltage [V]
IR - Leakage Current [nA]
Ta=25℃
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
0.001 0.100 10.000 1000.000
IF - Forw ard Current [mA]
VF - Forward Voltage [mV]
0
200
400
600
800
1000
0.01 0.1 1 10 100
IF - Forw ard Current (mA)
VF - Forward Voltage (mV)
Ta=125℃
Ta=65
℃
Ta=25
℃
℃
Figure 3. Reverse Voltage vs Reverse Current
BV – 1.0uA to 100uA
Figure 4. Reverse Current vs Reverse Voltage
IR – 10V to 100V
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)
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
Number: DB-055
Jan 2011 / H
Page 3
S E M IC O N D U C T OR
TAK CHEONG
®
Package Outline
Package
Case Outline
LL34
LL-34
Millimeters Inches
DIM
Min Max Min Max
A 3.30 3.60 0.130 0.142
B 1.40 1.50 0.055 0.059
C 0.35 0.50 0.014 0.020
Notes:
1. All dimensions are within DO213AC JEDEC standard.
2. LL-34 polarity denoted by cathode band.
B
C
A
Number: DB-100
April 14, 2 008 / A
DISCLAIMER NOTICE
TAK CHEONG ®
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 malfunctio n 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 re viously supplied. For additio nal information , please visit
our website http://www.takcheong.com, o r consu lt your ne ares t Tak Cheong’s sales off ice for further assistance.