TAK CHEONG ®
SEMICONDUCTOR
1 Watt DO-41 Hermetically
Sealed Glass Zener Voltage
Regulators
AXIAL LEAD
DO41
Absolute Maximum Ratings TA = 25°C unless otherwise noted
DEVICE MARKING DIAGRAM
Parameter
Value
Units
°C
Storage Temperature Range
-65 to +200
+200
1.0
L
1N
47
xx
T
Maximum Junction Operating Temperature
Total Device Dissipation
°C
Watt
Thermal Resistance Junction to Lead
Thermal Resistance Junction to Ambient
53.5
°C / W
°C / W
100
L
: Logo
Device Code
VZ Tolerance (T) : A = ±5%
: TC1N47xxT
These ratings are limiting values above which the serviceability of the diode may be impaired.
C = ±2%
Specification Features:
Zener Voltage Range 3.3 to 56 Volts
DO-41 Package (JEDEC)
Through-Hole Device Type Mounting
Hermetically Sealed Glass
Cathode
Anode
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And Leads Are Readily Solderable
RoHS Compliant
ELECTRICAL SYMBOL
Solder Hot Dip Tin (Sn) Terminal Finish
Cathode Indicated By Polarity Band
Electrical Characteristics
TA = 25°C unless otherwise noted
Z
ZT @ IZT
(Ω)
Max
Z
ZK @ IZK
(Ω)
Max
IR @ VR
(μA)
Max
VZ @ IZT
IZT
(mA)
IZK
VR
(Volts)
Device Type
(Volts)
(mA)
Nominal
TC1N4728A
TC1N4729A
TC1N4730A
TC1N4731A
TC1N4732A
TC1N4733A
TC1N4734A
TC1N4735A
TC1N4736A
TC1N4737A
TC1N4738A
TC1N4739A
TC1N4740A
TC1N4741A
TC1N4742A
TC1N4743A
3.3
3.6
3.9
4.3
4.7
5.1
5.6
6.2
6.8
7.5
8.2
9.1
10
76
69
64
58
53
49
45
41
37
34
31
28
25
23
21
19
10
10
9
1
1
400
400
400
400
500
550
600
700
700
700
700
700
700
700
700
700
100
100
50
10
10
10
10
10
10
10
10
10
10
5
1
1
1
1
9
1
1
8
1
1
7
1
1
5
1
2
2
1
3
3.5
4
1
4
0.5
0.5
0.5
0.25
0.25
0.25
0.25
5
4.5
5
6
7
7
7.6
8.4
9.1
9.9
11
8
12
9
5
13
10
5
Number: DB-031
August 2008 / E
Page 1