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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 TA = 25C 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 (TA = 25C 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 IR @VR (uA) Max 55 84 70 35 14 2.8 1.4 VR (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
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TAK CHEONG
SEM IC O N DU C TO R Electrical Characteristics (TA = 25C 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 VZ@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) IR@VR (uA) Max 0.19 VR (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
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TAK CHEONG
SEM IC O N DU C TO R Electrical Characteristics (TA = 25C 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 VZ@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) IR@VR (uA) Max VR (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 (VZ) MEASUREMENT The zener voltage is measured under pulse conditions such that TJ is no more than 2 above TA. 4. ZENER IMPEDANCE (ZZ) 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 (IZT) is superimposed to IZT . 5. WHEN ORDERING, PLEASE SPECIFY TOLERANCE A, B. C OR D
Number: DB-045 July 2008 / C Page 3
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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 []
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
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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
TAK CHEONG
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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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