300mW Dual Surface Mount

Zener Diodes
TZT2V4AW – TZT51AW

300mW Dual Surface Mount Zener Diodes

Features
 Dual Zeners in Common Anode Configuration
 300mW Power Dissipation Rating
 Zener Voltages from 2.4~51V
 Ideally Suited for Automatic Insertion
 Common Cathode Style Available See DZ Series
 RoHS Compliant
SOT-23

Mechanical Data

Case: SOT-23, Molded Plastic

Terminals: Solderable per MIL-STD-750, Method 2026

Weight: 0.008 grams

Maximum Ratings & Electrical Characteristics (T Ambient=25ºC unless noted otherwise)

Symbol Description Value Unit Conditions

PD Power Dissipation 300 mW Note

RthJA Thermal Resistance Junction to Ambient Air 417 °C/W Note

TJ ,TSTG Operating and Storage Temperature Range -55 to +150 °C

Note: Device mounted on 5.0mm2 (.013mm thick) land areas

TAITRON COMPONENTS INCORPORATED www.taitroncomponents.com Rev. A/CZ

Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060 Page 1 of 5
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
 300mW Dual Surface Mount Zener Diodes

TZT2V4AW – TZT51AW
Norminal Zener Voltage Test
1N5221B~1N5261B
@ IZT Current Max. Reverse
Max. Zener Impedance
Marking Leakage Current
Part NO. VZ(V) IR @ VR
Code
ZZT@ ZZK@
Nom. Min. Max. IZT(mA) IZT IZK IZK(mA) IR (A) VR(V)
TZT2V4AW DO 2.4 2.28 2.52 5.0 85 600 1.0 100 1.0
TZT2V7AW DA 2.7 2.57 2.84 5.0 83 600 1.0 75 1.0
TZT3V0AW DB 3.0 2.85 3.15 5.0 95 600 1.0 50 1.0
TZT3V3AW DC 3.3 3.14 3.47 5.0 95 600 1.0 25 1.0
TZT3V6AW DD 3.6 3.42 3.78 5.0 95 600 1.0 15 1.0
TZT3V9AW DE 3.9 3.71 4.10 5.0 95 600 1.0 10 1.0
TZT4V3AW DF 4.3 4.09 4.52 5.0 95 600 1.0 5.0 1.0
TZT4V7AW DG 4.7 4.47 4.94 5.0 78 500 1.0 5.0 2.0
TZT5V1AW DH 5.1 4.85 5.36 5.0 60 480 1.0 0.1 0.8
TZT5V6AW DI 5.6 5.32 5.88 5.0 40 400 1.0 0.1 1.0
TZT6V2AW DJ 6.2 5.89 6.51 5.0 10 150 1.0 0.1 2.0
TZT6V8AW D11 6.8 6.46 7.14 5.0 8 80 1.0 0.1 3.0
TZT7V5AW D12 7.5 7.13 7.88 5.0 7 80 1.0 0.1 5.0
TZT8V2AW D13 8.2 7.79 8.61 5.0 7 80 1.0 0.1 6.0
TZT8V7AW D87 8.7 8.27 9.14 5.0 7 100 1.0 0.1 6.5
TZT9V1AW D14 9.1 8.65 9.56 5.0 10 100 1.0 0.1 7.0
TZT10AW D15 10 9.50 10.50 5.0 15 150 1.0 0.1 7.5
TZT11AW D16 11 10.45 11.55 5.0 20 150 1.0 0.1 8.5
TZT12AW D17 12 11.40 12.60 5.0 20 150 1.0 0.1 9.0
TZT13AW D18 13 12.35 13.65 5.0 25 170 1.0 0.1 10.0
TZT14AW DK 14 13.30 14.70 5.0 25 170 1.0 0.1 10.5
TZT15AW D19 15 14.25 15.75 5.0 30 200 1.0 0.1 11.0
TZT16AW D20 16 15.20 16.80 5.0 40 200 1.0 0.1 12.0
TZT17AW DL 17 16.15 17.85 5.0 40 200 1.0 0.1 13.0
TZT18AW D21 18 17.10 18.90 5.0 50 225 1.0 0.1 14.0
TZT20AW D22 20 19.00 21.00 5.0 50 225 1.0 0.1 15.0
TZT22AW D23 22 20.90 23.10 5.0 55 250 1.0 0.1 17.0
TZT24AW D24 24 22.80 25.20 5.0 80 250 1.0 0.1 18.0

Rev. B/CH

www.taitroncomponents.com Page 2 of 5
 300mW Dual Surface Mount Zener Diodes

TZT2V4AW – TZT51AW
Norminal Zener Voltage Test
1N5221B~1N5261B
@ IZT Current Max. Reverse
Max. Zener Impedance
Marking Leakage Current
Part NO. VZ(V) IR @ VR
Code
ZZT@ ZZK@
Nom. Min. Max. IZT(mA) IZT IZK IZK(mA) IR (A) VR(V)
TZT27AW D25 27 25.65 28.35 5.0 80 300 1.0 0.1 20.0
TZT28AW DM 28 26.60 29.40 5.0 80 300 1.0 0.1 22.0
TZT30AW D26 30 28.50 31.50 5.0 80 300 1.0 0.1 22.5
TZT33AW D27 33 31.35 34.65 5.0 80 325 1.0 0.1 25.0
TZT36AW D28 36 34.20 37.80 5.0 90 350 1.0 0.1 27.0
TZT39AW D29 39 37.05 40.95 5.0 90 350 1.0 0.1 29.0
TZT43AW D30 43 40.85 45.15 5.0 100 375 1.0 0.1 32.0
TZT47AW D31 47 44.65 49.35 5.0 100 375 1.0 0.1 35.0
TZT51AW D32 51 48.45 53.55 5.0 100 400 1.0 0.1 38.0

Characteristics Curves

Fig.1 Power Derating Curve Fig.2 Total Capacitance Vs Nominal Zener Voltage
Total Capacitance CT (pF)
Power Dissipation PD (mW)

Ambient Temperature Ta (°C) Nominal Zener Voltage VZ (V)

Rev. B/CH

www.taitroncomponents.com Page 3 of 5
 300mW Dual Surface Mount Zener Diodes

TZT2V4AW – TZT51AW
Dimensions in inch (mm)
1N5221B~1N5261B
SOT-23

Mounting Pad Layout

Rev. B/CH

www.taitroncomponents.com Page 4 of 5
 300mW Dual Surface Mount Zener Diodes

TZT2V4AW – TZT51AW
Ordering Information
1N5221B~1N5261B

TZT XX –A W –XX–TR70

TR70: Lead Free, Tape & 7”Reel

Factory Location Code

Size Code:1206
Common Anode

Voltage Rating

Taitron Zener Three Terminals

How to contact us

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Tel: (800)-TAITRON (800)-824-8766 (661)-257-6060
Fax: (800)-TAITFAX (800)-824-8329 (661)-257-6415
Email: taitron@taitroncomponents.com
Http://www.taitroncomponents.com

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Tel: 886-2-2913-6238
Fax: 886-2-2913-6239

TAITRON COMPONENT TECHNOLOGY, SHANGHAI CORPORATION

METROBANK PLAZA,1160 WEST YAN’AN ROAD, SUITE 1503, SHANGHAI,200052, CHINA
Tel: +86-21-5424-9942
Fax: +86-21-2302-5027
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Tel: +86-21-5424-9942
Fax: +86-21-5424-9931

Rev. B/CH

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