ADTC143ECAQ

ADTC143ECAQ

Document overview

• Manufacturer or author: Diodes Incorporated
• PDF pages: 6

Technical content

Features

• Epitaxial Planar Die Construction
• Built-In Biasing Resistors, R1 = R2
• Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
• Halogen and Antimony Free "Green" Device (Note 3)
• The ADTC143ECAQ is suitable for automotive applications requiring specific change control; this part is AEC-Q101 qualified, PPAP capable, and manufactured in IATF 16949 certified facilities. https://www.diodes.com/quality/product-definitions/ R1, R2 (NOM) 4.7kΩ Mechanical Data
• Package: SOT23
• Package Material: Molded Plastic, “Green” Molding Compound. UL Flammability Classification Rating 94V-0
• Moisture Sensitivity: Level 1 per J-STD-020
• Terminals: Finish – Matte Tin Plated Leads, S olderable per MIL- STD-202, Method 208
• Weight: 0.008 grams (Approximate) Ordering Information (Note 4) Orderable Part Number Package Marking Reel Size (inches) Tape Width (mm) Packing Qty. Carrier ADTC143ECAQ-7 SOT23 2B8 7 8 3,000 Reel ADTC143ECAQ-13 SOT23 2B8 13 8 10,000 Reel Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen - and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds. 4. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes -packaging/. Marking Information Date Code Key Year 2019 - 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 Code G - M N P R S T U V W X Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Code 1 2 3 4 5 6 7 8 9 O N D N X X YM Device Schematic Top View SOT23 2B8 = Product Type Marking Code YM = Date Code Marking Y or Y or Y = Year (ex: M = 2025) M = Month (ex: 9 = September) 2B8 YM

Document number: DS39185 Rev. 3 - 2 2 of 6 www.diodes.com October 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. ADTC143ECAQ Absolute Maximum Ratings (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Value Unit Supply Voltage <Pin: (3) to (2)> VCC 50 V Input Voltage <Pin: (1) to (2)> VIN -10 to +30 V Output Current IC (Max) 100 mA Thermal Characteristics (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Value Unit Power Dissipation (Note 5) PD 310 mW Thermal Resistance, Junction to Ambient Air (Note 5) RθJA 403 ° C/W Operating and Storage Temperature Range TJ, TSTG -55 to +150 °C Note: 5. Mounted on FR-4 PC Board with minimum recommended pad layout. Thermal Characteristics and Derating Information 0 20 40 60 80 100 120 140 160 0.00 0.05 0.10 0.15 0.20 0.25 0.30 0.35 Minimum Copper FR4 Board Derating Curve Temperature (° C) Max Power Dissipation (W) 100µ 1m 10m 100m 1 10 100 1k 100 150 200 250 300 350 400 450 Minimum Copper FR4 Board Tamb=25° C Transient Thermal Impedance D=0.5 D=0.2 D=0.1 Single Pulse D=0.05 Thermal Resistance (° C/W) Pulse Width (s) 100µ 1m 10m 100m 1 10 100 1k 0.1 Minimum Copper FR4 Board Single Pulse Tamb=25° C Pulse Power Dissipation Pulse Width (s) Maximum Power (W) Minimum Copper FR-4 Board Minimum Copper FR-4 Board Minimum Copper FR-4 Board TA = 25°C TA = 25°C

Document number: DS39185 Rev. 3 - 2 3 of 6 www.diodes.com October 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. ADTC143ECAQ Electrical Characteristics (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Min Typ Max Unit Test Condition Input Voltage Vl(off) (Note 6) 0.5 1.1 ⎯ V VCC = 5V, IO = 100μA Vl(on) (Note 7) ⎯ 1.9 3.0 VO = 0.3V, IO = 20mA Output Voltage VO(on) ⎯ 0.1 0.3 V IO/Il = 10mA / 0.5mA Input Current Il ⎯ ⎯ 1.8 mA VI = 5V Output Current IO(off) ⎯ ⎯ 0.5 μA VCC = 50V, VI = 0 DC Current Gain Gl 20 ⎯ ⎯ ⎯ VO = 5V, IO = 10mA Input Resistor Tolerance R1 -30 ⎯ +30 % ⎯ Resistance Ratio Tolerance R2/R1 -20 ⎯ +20 % ⎯ Gain-Bandwidth Product (Note 8) fT ⎯ 250 ⎯ MHz VCE = 10V, IE = 5mA, f = 100MHz Notes: 6. Guarantees that the device will be switched OFF if the Input Voltage is less than 0. 5V. 7. Guarantees that the device will be switched ON if the Input Voltage is more than 3V. 8. Transistor - For Reference Only.

Document number: DS39185 Rev. 3 - 2 4 of 6 www.diodes.com October 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. ADTC143ECAQ Typical Characteristics (@TA = +25° C, unless otherwise specified.) 0 10 20 30 40 50 10m 100m 1 10 100 100 1000 0 5 10 15 20 25 30 0.5 1.0 1.5 2.0 2.5 3.0 3.5 0.0 4.0 0 1 2 3 4 5 6 7 8 9 10 0.001 0.01 0.1 100 1000 0 10 20 30 40 50 0.1 100 -25° C 75° C 25° C IO/II=10 GI v IO VO Output Voltage (V) IO Output Current (mA) 75° C IO v VI VO=10V 25° C -25° C GI DC Current Gain IO Output Current (mA) COBO v VO f =1MHz COBO (pF) VO Output Voltage (V) -25° C VO v IO VO=5V 25° C 75° C IO Output Current (mA) VI Input Voltage (V) VI v IO VO=0.2V 75° C25° C -25° C VI Input Voltage (V) IO Output Current (mA)

Document number: DS39185 Rev. 3 - 2 5 of 6 www.diodes.com October 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. ADTC143ECAQ Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SOT23 SOT23 Dim Min Max Typ A 0.37 0.51 0.40 B 1.20 1.40 1.30 C 2.30 2.50 2.40 D 0.89 1.03 0.915 F 0.45 0.60 0.535 G 1.78 2.05 1.83 H 2.80 3.00 2.90 J 0.013 0.10 0.05 K 0.890 1.00 0.975 K1 0.903 1.10 1.025 L 0.45 0.61 0.55 L1 0.25 0.55 0.40 M 0.085 0.150 0.110 a 0° 8° -- All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SOT23 Dimensions Value (in mm) C 2.0 X 0.8 X1 1.35 Y 0.9 Y1 2.9 J K1 K GAUGE PLANE 0.25 H L M All 7° A C B D GF a X Y Y1 C

Document number: DS39185 Rev. 3 - 2 6 of 6 www.diodes.com October 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. ADTC143ECAQ IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICU LAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes ’ products described herein and application examples. Diodes does not assume any liability arising out of the application or use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who design with Diodes’ products. Diodes’ products may be used to facilitate safety-related applications; however, in all instances customers and users are responsible for (a) selecting the appropriate Diodes products for their applications, (b) evaluating the suitability of Diodes’ products for their intended applications, (c) ensuring their applications, which inco rporate Diodes’ products, comply the applicable legal and regulatory requirements as well as safety and functional - safety related standards, and (d) ensuring they design with appropriate safeguards (including testing, validation, quality co ntrol techniques , redundancy, malfunction prevention, and appropriate treatment for aging degradation) to minimize the risks associated with their applications. 3. Diodes assumes no liability for any application-related information, support, assistance or feedback that may be provided by Diodes from time to time. Any customer or user of this document or products described herein will assume all risks and liabilities associated with such use, and will hold Diodes and all companies whose products are represented herein or on Diodes’ websites, harmless against all damages and liabilities. 4. Products described herein may be covered by one or more United States, international or foreign patents and pending patent applications. Product names and markings noted herein may also be covered by one or more United States, international or foreign tra demarks and trademark applications. Diodes does not convey any license under any of its intellectual property rights or the rights of any third parties (including third parties whose products and services may be described in this document or on Diodes’ website) under this document. 5. Diodes’ products are provided subject to Diodes’ Standard Terms and Conditions of Sale (https://www.diodes.com/about/company/terms-and-conditions/terms-and-conditions-of-sales/) or other applicable terms. This document does not alter or expand the applicable warranties provided by Diodes. Diodes does not warrant or accept any liability whatsoever in respect of any products purchased through unauthorized sales channel. 6. Diodes’ products and technology may not be used for or incorporated into any products or systems whose manufacture, use or sa le is prohibited under any applicable laws and regulations. Should customers or users use Diodes’ products in contravention of any applicable laws or regulations, or for any unintended or unauthorized application, customers and users will (a) be solely responsible for any da mages, losses or penalties arising in connection therewith or as a result thereof, and (b) indemnify and hold D iodes and its representatives and agents harmless against any and all claims, damages, expenses, and attorney fees arising out of, directly or indirectly, any claim relating to any noncompliance with the applicable laws and regulations, as well as any unintended or unauthorized application. 7. While efforts have been made to ensure the information contained in this document is accurate, complete and current, it may c ontain technical inaccuracies, omissions and typographical errors. Diodes does not warrant that information contained in this docum ent is error-free and Diodes is under no obligation to update or otherwise correct this information. Notwithstanding the foregoing, Diodes reserves the right to make modifications, enhancements, improvements, corrections or other changes without further notice to this document and any product described herein. This document is written in English but may be translated into multiple languages for reference. Only the English version of this document is the final and determinative format released by Diodes. 8. Any unauthorized copying, modification, distribution, transmission, display or other use of this document (or any portion her eof) is prohibited. Diodes assumes no responsibility for any losses incurred by the customers or users or any third parties arising from any such unauthorized use. 9. This Notice may be periodically updated with the most recent version available at https://www.diodes.com/about/company/terms-and- conditions/important-notice The Diodes logo is a registered trademark of Diodes Incorporated in the United States and other countries. All other trademarks are the property of their respective owners. © 2025 Diodes Incorporated. All Rights Reserved. www.diodes.com