®
TAK CHEONG
SE M I CO N DU CTO 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 +200
+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
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 leads are readily solderable
1
st
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
=I
R
=10mA
R
L
=100Ω
I
RR
=1mA
T
RR
Reverse Recovery Time
4
nS
C
Capacitance
V
R
=0V, f=1M
HZ
4
pF
March 2002 / A
Page 1
®
TAK CHEONG
SE M I CO N DU CTO R
Electrical Symbol Definition
Symbol
Parameter
Typical Characteristics
I
(mA)
I
F
B
V
Breakdown Voltage @
I
R
I
R
Reverse Leakage Current @
V
R
B
V
V
R
I
R
I
R
V
F
(mV)
(V)
V
V
R
Reverse Voltage
I
F
Forward Current
(nA)
(µA)
V
F
Forward Voltage @
I
F
Ordering Information
Pack Option
7” Reel
13” Reel
Others
LL34 (Mini-MELF) Tape Packaging Standards
This standard practices for surface-mount tape packaging of leadless (Mini-MELF) components meets the requirements of EIA Standard
RS-481-A.
Package
Tape and Reel
Tape and Reel
Quantity
2,500
10,000
(…contact Tak Cheong sales representatives)
March 2002 / A
Page 2
®
TAK CHEONG
SE M I CO N DU CTO R
LL-34 (Mini-MELF) Tape & Reel Packaging Information
LL-34 Packaging Outline
Label
Packaging Description:
LL34 parts are shipped in tape and reel.
The carrier tape is made from a dissipative
(carton filled) polycarbonate resin. The
cover tape is a multiplayer film (Heat
Activated Adhesive in nature) primarily
composed of polyester film, adhesive layer,
sealant, and anti-static sprayed agent.
These reeled parts in standard option are
shipped with 2,500 units per 7” or 178cm
diameter reel. The reels are blue in color
and made of recyclable plastic. Other
option comes in 10,000 units per 13” or
330cm diameter reel
Antistatic Cover Tape
Static Dissipative Embossed
Carrier Tape
Cathode
LL34 UNIT ORIENTATION
Label
LL-34 Leader and Trailer
Carrier Tape
Cover Tape
Components
Trailer Tape
80mm minimum or
20 empty pockets.
Leader Tape
500mm minimum or
125 empty pockets.
March 2002 / A
Page 3
®
TAK CHEONG
SE M I CO N DU CTO R
LL-34 (Mini-MELF) Tape & Reel Packaging Information
LL-34 Reel Outline
Dimensions are in millimeters
Tape Size
QTY Option
2,500
8mm
10,000
330
1.5
13
20.2
100
8.4
14.4
7.9 – 10.9
Dim A
178
Dim B
1.5
Dim C
13
Dim D
20.2
Dim N
55
W1
8.4
W2
14.4
W3
7.9 – 10.9
March 2002 / A
Page 4
®
TAK CHEONG
SE M I CO N DU CTO R
Package Outline
Package
Case Outline
LL-34
DIM
Min
Millimeters
Max
3.505
1.499
0.500
Min
0.130
0.055
0.014
Inches
Max
0.138
0.059
0.020
LL34
A
B
C
3.302
1.397
0.350
Notes:
1.
2.
LL34 polarity denoted by a band.
‘Expansion Gap’ has no relation to the location of polarity.
March 2002 / A
Page 5
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