®
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
T
A
= 25°C unless otherwise noted
Value
500
-65 to +175
+175
Units
mW
°C
°C
AXIAL LEAD
DO35
DEVICE MARKING DIAGRAM
L
XX
XT
These ratings are limiting values above which the serviceability of the diode may be impaired.
L
: Logo
Voltage Code : TCRDXXX
T
: VZ tolerance A, B, C or D
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
RoHS Compliant
Solder Hot Dip Tin (Sn) Terminal Finish
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
VZ@IZT
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
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
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
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
Number: DB-045
July 2008 / C
Page 1
TCRD2V2 through TCRD39V
®
TAK CHEONG
SEM IC O N DU C TO R
Electrical Characteristics
(
T
A
= 25°C unless otherwise noted)
Device
Type
T
Tolerance
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
A
B
C
D
A
B
C
D
V
Z
@Izt
Min
4.84
4.97
5.11
5.29
5.46
5.64
5.81
5.99
6.16
6.31
6.52
6.70
6.88
7.11
7.32
7.55
7.81
8.06
8.31
8.60
8.88
9.18
9.47
9.81
10.16
10.49
10.81
11.12
11.49
11.79
12.17
12.58
13.02
13.47
13.94
14.40
14.85
15.30
15.77
16.32
16.90
17.50
18.11
18.71
19.35
19.86
20.21
20.75
21.22
21.67
Nom
4.94
5.08
5.23
4.41
5.58
5.76
5.94
6.12
6.28
6.45
6.66
6.83
7.04
7.26
7.49
7.73
7.99
8.24
8.51
8.80
9.09
9.39
9.69
10.06
10.41
10.73
11.04
11.38
11.71
12.05
12.45
12.87
13.33
13.79
14.26
14.72
15.19
15.65
16.14
16.70
17.29
17.90
18.52
19.13
19.80
20.30
20.66
21.21
21.66
22.15
Max
5.04
5.18
5.35
5.52
5.70
5.88
6.06
6.24
6.40
6.59
6.79
6.95
7.20
7.42
7.65
7.91
8.16
8.42
8.71
9.00
9.30
9.60
9.91
10.32
10.65
10.96
11.27
11.64
11.93
12.31
12.72
13.17
13.63
14.10
14.57
15.04
15.52
15.99
16.51
17.08
17.67
18.30
18.93
19.55
20.25
20.74
21.10
21.67
22.10
22.62
Izt
(mA)
Zzt@Izt
(Ohms)
Max
17
Zzk@Izk
(Ohms)
Max
685
Izk
(mA)
I
R
@V
R
(uA)
Max
0.19
V
R
(V)
TCRD5V1
20
1
1.5
TCRD5V6
20
10.5
425
1
0.75
2.5
TCRD6V2
20
8.5
255
1
3.30
3.0
TCRD6V8
20
6.6
123
0.5
1.10
3.5
TCRD7V5
20
6.6
95
0.5
0.30
4.0
TCRD8V2
20
6.6
95
0.5
0.30
5.0
TCRD9V1
20
6.6
95
0.5
0.30
6.0
TCRD10V
20
6.6
95
0.5
0.11
7.0
TCRD11V
10
8.5
95
0.5
0.133
8.0
TCRD12V
10
9.5
95
0.5
0.133
9.0
TCRD13V
10
11.4
95
0.5
0.133
10
TCRD15V
10
13.3
95
0.5
0.133
11
TCRD16V
10
15.2
132
0.5
0.133
12
TCRD18V
10
19.4
123
0.5
0.133
13
TCRD20V
10
23.5
170
0.5
0.133
15
TCRD22V
5
25.6
170
0.5
0.133
17
Number: DB-045
July 2008 / C
Page 2
®
TAK CHEONG
SEM IC O N DU C TO R
Electrical Characteristics
(T
A
= 25°C unless otherwise noted)
Device
Type
T
Tolerance
A
TCRD24V
B
C
D
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
V
Z
@Izt
Min
22.24
22.73
23.27
23.79
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
Nom
22.69
23.24
23.78
24.31
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
23.14
23.75
24.29
24.84
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
5
29.0
170
0.5
0.133
19
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. TOLERANCE AND VOLTAGE DESIGNATION
The type numbers listed have zener voltage as shown.
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 is measured under pulse conditions such that T
J
is no more than 2℃ above T
A
.
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
.
5. WHEN ORDERING, PLEASE SPECIFY TOLERANCE A, B. C OR D
Number: DB-045
July 2008 / C
Page 3
®
TAK CHEONG
SEM IC O N DU C TO R
Typical Characteristics
600
1000
PD-Power Passipation [mW]
Total Capacitance [pF]
500
400
300
200
100
0
0
40
VR = 0V
f = 1MHz
Ta = 25
℃
VR = 5V
100
VR = 2V
VR = 20V
10
1
Temperature [
℃
]
80
120
160
200
0
5
10
15
20
25
30
35
40
VZ - Reverse Voltage [V]
Figure 1. Power Dissipation vs Ambient Temperature
Valid provided leads at a distance of 0.8mm from case are kept at
ambient temperature
Figure 2. Total Capacitance
Differential Zener Impedance [Ω]
10000
Iz=1mA
Iz=2mA
Iz=5mA
1000
Ta = 25
℃
Forward Current [mA]
100
Ta = 25
℃
100
Iz=10mA
10
1
1
0.01
0
5
10
15
20
25
30
VZ - Reverse Voltage [V]
35
40
0.1
0
0.2
0.4
0.6
0.8
VF - Forw ard Voltage [m V]
1
1.2
Figure 3. Differential Impedance vs. Zener Voltage
Figure 4. Forward Current vs. Forward Voltage
1000
PD = 500mW
Ta = 25
℃
Reverse Current [mA]
10
0.1
0.001
0
5
10
15
20
25
30
VZ - Reverse Voltage [V]
35
40
Figure 5. Reverse Current vs. Reverse Voltage
Number: DB-045
July 2008 / C
Page 4
®
TAK CHEONG
SEM IC O N DU C TO R
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-045
July 2008 / C
Page 5
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