®
TAK CHEONG
SEM IC O N DU C TO R
500 mW DO-34 Hermetically
Sealed Glass Fast Switching
Diodes
AXIAL LEAD
DO34
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
DEVICE MARKING DIAGRAM
(TC1N4148M)
Parameter
Storage Temperature Range
Operating Junction Temperature
Working Inverse Voltage
Average Rectified Current
Non-repetitive Peak Forward Current
Peak Forward Surge Current
L
: Logo
DEVICE MARKING DIAGRAM
(TC1N4448M / TC1N914BM)
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)
DO-34 Package (JEDEC DO-204)
Through-Hole Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All external surfaces are corrosion resistant and leads are readily solderable
Cathode indicated by polarity band
DEVICE MARKING DIAGRAM
(TC1N4148M)
Cathode
L
: Logo
Device Code : TC1NxxxxM
L xxxx
Anode
ELECTRICAL SYMBOL
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
TC1N4448M, TC1N914BM
TC1N4148M,
TC1N4148M
TC1N4448M, TC1N914BM
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
October 2005 / B
Page 1
TC1N4148M/TC1N4448M/TC1N914BM
L
®
TAK CHEONG
SEM IC O N DU C TO 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
Device
TC1NxxxxM
TC1NxxxxM.TB
TC1NxxxxM.TR
TC1NxxxxM
Package
Bulk
Tape and Ammo
Tape and Reel
Quantity
10,000
5,000
10,000
Others (…contact Tak Cheong sales representatives)
Axial-Lead Tape Packaging Standards
This axial-lead component’s packaging requirements use in automatic testing and assembly equipment. And this standard practices for
lead-tape packaging of axial-lead components meets the requirements of EIA Standard RS-296-D “Lead-taping of Components on Axial
Lead Configuration for Automatic Insertion”.
October 2005 / B
Page 2
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