®
TAK CHEONG
S EM ICOND U CTOR
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Maximum Ratings
Parameter
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
T
A
= 25°C unless otherwise noted
Value
500
-65 to +200
+200
Units
mW
°C
°C
AXIAL LEAD
DO35
DEVICE MARKING DIAGRAM
L
9x
xT
L
: Logo
Device Code : TC1N9xxT
Tolerance (T) : A =
10%
:
B = 5%
:
C = 2%
:
D = 1%
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Zener Voltage Range 6.8 to 56 Volts
DO-35 Package (JEDEC)
Through-Hole Device Type Mounting
Hermetically Sealed Glass
Compression Bonded Construction
All External Surfaces Are Corrosion Resistant And Leads Are Readily Solderable
RoHS Compliant
Solder Hot Dip Tin (Sn) Lead Finish
Cathode Indicated By Polarity Band
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
Device Type
TC1N957B
TC1N958B
TC1N959B
TC1N960B
TC1N961B
TC1N962B
TC1N963B
TC1N964B
TC1N965B
TC1N966B
TC1N967B
TC1N968B
TC1N969B
TC1N970B
TC1N971B
TC1N972B
TC1N973B
TC1N974B
TC1N975B
TC1N976B
V
Z
@ I
ZT
(Volts)
Nominal
6.8
7.5
8.2
9.1
10
11
12
13
15
16
18
20
22
24
27
30
33
36
39
43
T
A
= 25°C unless otherwise noted
I
ZT
(mA)
18.5
16.5
15
14
12.5
11.5
10.5
9.5
8.5
7.8
7
6.2
5.6
5.2
4.6
4.2
3.8
3.4
3.2
3
Z
ZT
@ I
ZT
()
Max
4.5
5.5
6.5
7.5
8.5
9.5
11.5
13
16
17
21
25
29
33
41
49
58
70
80
93
Z
ZK
@ I
ZK
= 0.25mA
()
Max
700
700
700
700
700
700
700
700
700
700
750
750
750
750
750
1000
1000
1000
1000
1500
I
R
@ V
R
(A)
Max
150
75
50
25
10
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
V
R
(Volts)
5.2
5.7
6.2
6.9
7.6
8.4
9.1
9.9
11.4
12.2
13.7
15.2
16.7
18.2
20.6
22.8
25.1
27.4
29.7
32.7
Number: DB-210
January 2010/ C
Page 1
TC1N957B through TC1N979B
®
TAK CHEONG
S EM ICOND U CTOR
Electrical Characteristics
Device Type
V
Z
@ I
ZT
(Volts)
Nominal
T
A
= 25°C unless otherwise noted
I
ZT
(mA)
Z
ZT
@ I
ZT
()
Max
Z
ZK
@ I
ZK
= 0.25mA
()
Max
1500
1500
2000
I
R
@ V
R
(A)
Max
5
5
5
V
R
(Volts)
35.8
38.8
42.6
TC1N977B
47
TC1N978B
51
TC1N979B
56
V
F
Forward Voltage = 1.5 V Maximum @
2.7
105
2.5
125
2.2
150
I
F
= 200 mA for all types
Notes:
1. TOLERANCE AND VOLTAGE DESIGNATION
The type numbers listed have zener voltage as shown and have a standard tolerance on the nominal zener voltage of ±5%. Suffix A =
±10%, Suffix C = ±2% and D = ±1%.
2. SPECIALS AVAILABLE INCLUDE
Nominal zener voltages between the voltages shown and tighter voltage, for detailed information on price, availability and delivery,
contact you nearest Tak Cheong representative.
3. ZENER VOLTAGE (V
Z
) MEASUREMENT
The zener voltage (V
Z
) is tested under pulse condition.
4. ZENER IMPEDANCE (Z
Z
) DERIVATION
Zener impedance is derived from the 60-cycle ac voltage, which results when an ac current having an RMS value equal to 10% of the
dc zener current (I
ZT
) is superimposed to
I
ZT
.
Number: DB-210
January 2010/ C
Page 2
®
TAK CHEONG
S EM ICOND U CTOR
Package Outline
Package
Case Outline
DO-35
DIM
Min
A
B
C
D
0.46
3.05
25.40
1.53
Millimeters
Max
0.55
5.08
38.10
2.28
DO-35
Inches
Min
0.018
0.120
1.000
0.060
Max
0.022
0.200
1.500
0.090
Notes:
1.
2.
All dimensions are within JEDEC standard.
DO35 polarity denoted by cathode band.
Number: DB-210
January 2010/ C
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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