®
TAK CHEONG
SEM IC O N DU C TO R
500 mW DO-35 Hermetically
Sealed Glass Zener Voltage
Regulators
Absolute Maximum Ratings
Parameter
Power Dissipation
Storage Temperature Range
Operating Junction Temperature
Lead Temperature (1/16” from case for 10 seconds)
T
A
= 25°C unless otherwise noted
Value
500
-65 to +200
+200
+230
Units
mW
°C
°C
°C
AXIAL LEAD
DO35
DEVICE MARKING DIAGRAM
L
XX
XT
L
: Logo
Voltage Code : TCRDXXX
T
: VZ tolerance A, B, C or D
These ratings are limiting values above which the serviceability of the diode may be impaired.
Specification Features:
Zener Voltage Range 2.0 to 39 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
Cathode indicated by polarity band
ELECTRICAL SYMBOL
Cathode
Anode
Electrical Characteristics
(T
A
= 25°C unless otherwise noted)
Device
Type
TCRD2V2
TCRD2V4
TCRD2V7
TCRD3V0
TCRD3V3
TCRD3V6
TCRD3V9
VZ
Tolerance
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
C
A
B
C
A
B
C
Min
2.12
2.22
2.33
2.44
2.54
2.69
2.85
3.01
3.16
3.32
3.47
3.63
3.77
3.92
4.06
4.21
4.33
4.46
4.58
4.71
4.84
4.97
5.11
VZ@IZT
Nom
2.21
2.32
2.42
2.53
2.64
2.80
2.96
3.12
3.27
3.43
3.57
3.73
3.88
4.03
4.15
4.30
4.44
4.56
4.68
4.81
4.94
5.08
5.23
Max
2.30
2.41
2.51
2.62
2.74
2.91
3.06
3.22
3.37
3.53
3.67
3.82
3.98
4.13
4.24
4.38
4.54
4.66
4.77
4.91
5.04
5.18
5.35
Izt
(mA)
20
20
20
20
20
20
20
Zzt@Izt
(Ohms)
Max
35
35
35
35
35
48
40
Zzk@Izk
(Ohms)
Max
400
400
450
450
450
850
850
Izk
(mA)
1
1
1
1
1
1
1
I
R
@V
R
(uA)
Max
55
84
70
35
14
2.8
1.4
V
R
(V)
0.7
1
1
1
1
1
1
TCRD4V3
20
32
850
1
0.47
1
TCRD4V7
20
21
770
1
0.19
1
TCRD5V1
20
17
685
1
0.19
1.5
September 2006 / A
Page 1
TCRD2V2 through TCRD39V Series
®
TAK CHEONG
SEM IC O N DU C TO R
Electrical Characteristics
(T
A
= 25°C unless otherwise noted)
Device
Type
T
Tolerance
A
TCRD27V
B
C
D
A
TCRD30V
B
C
D
A
TCRD33V
B
C
D
A
TCRD36V
B
C
D
A
TCRD39V
B
C
D
Min
24.24
24.95
25.60
26.28
26.98
27.67
28.34
29.00
29.66
30.29
30.88
31.46
32.19
32.83
33.46
31.07
34.74
35.41
36.05
36.69
V
Z
@Izt
Nom
24.89
25.62
26.29
26.97
27.69
28.41
29.09
29.77
30.45
31.10
31.70
32.30
32.96
33.63
34.27
34.89
35.57
36.26
36.92
37.58
Max
25.54
26.28
26.97
27.67
28.41
29.15
29.84
30.54
31.25
31.91
32.52
33.15
33.74
34.42
35.07
35.71
36.41
37.12
37.79
38.46
5
72.0
210
0.5
0.133
30
5
63.0
210
0.5
0.133
27
5
55.0
210
0.5
0.133
25
5
46.0
210
0.5
0.133
23
5
38.0
210
0.5
0.133
21
Izt
(mA)
Zzt@Izt
(Ohms)
Max
Zzk@Izk
(Ohms)
Max
Izk
(mA)
I
R
@V
R
(uA)
Max
V
R
(V)
VF (forward voltage) = 1.2 V maximum @ IF = 200mA for all types
Notes:
1.
2.
3.
The zener voltage subdivision (VZ) is measured 40mS after diode is powered up.
The operating resistance (Zzt and Zzk) is measured by superimposing a minute alternation current in the regulated
current (Iz).
When ordering, please specify tolerance A, B, C or D.
Ordering Information
Device
TCRDxxxx
Package
Bulk
Quantity
10,000
TCRDxxxxTB
Tape and Ammo
5,000
TCRDxxxxTR
Tape and Reel
10,000
TCRDxxxx
Others (…contact Tak Cheong sales representatives)
September 2006 / A
Page 3
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