ZX5T851A

Document overview

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

Technical content

Features

  • Extremely Low Equivalent On-Resistance; RSAT = 34mΩ at 5A
  • 4.5 Amps Continuous Current
  • Up to 15 Amps Peak Current
  • Very Low Saturation Voltage
  • For automotive applications requiring specific change control (i.e. parts qualified to AEC-Q100/101/104/200, PPAP capable, and manufactured in IATF 16949 certified facilities), please contact us or your local Diodes representative. https://www.diodes.com/quality/product-definitions/ E-Line Top View Device Symbol Pinout

Ordering Information

Orderable Part Number Package Packing Qty. Carrier ZX5T851ASTOA E-Line 2000 Units Reel ZX5T851ASTZ E-Line 2000 Units Carton Device Marking

  • X5T851 THE ZX5T851A IS NOT RECOMMENDED FOR NEW DESIGNS. PLEASE CONTACT US.

Document number: DS33420 Rev. 2 - 3 2 of 6 www.diodes.com August 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. ZX5T851A Absolute Maximum Ratings Parameter Symbol Value Unit Collector-Base Voltage BVCBO 150 V Collector-Emitter Voltage BVCEO 60 V Emitter-Base Voltage BVEBO 7 V Continuous Collector Current (Note 1) IC 4.5 A Peak Pulse Current ICM 15 A Practical Power Dissipation (Note 1) Linear Derating Factor PD 1.0 W mW/°C Power Dissipation at TA = 25°C (Note 2) Linear Derating Factor PD 0.71 5.7 W mW/°C Operating and Storage Temperature Range TJ, TSTG -55 to 150 °C Thermal Resistance Parameter Symbol Value Unit Junction to Ambient (Note 1) RθJA 125 °C/W Junction to Ambient (Note 2) RθJA 175 °C/W Notes: 1. For a device through hole mounted on 25mm x 25mm x 1.6mm FR4 PCB with high coverage of single -sided 1oz copper, in still air conditions. Collector lead length to solder point 4mm. 2. For a device mounted in a socket in still air conditions. Collector lead length 10mm. Characteristics See Note 1 See Note 2 See Note 1 See Note 1 See Note 1 VCE(sat)

Document number: DS33420 Rev. 2 - 3 3 of 6 www.diodes.com August 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. ZX5T851A Electrical Characteristics (@ Tamb = +25°C, unless otherwise stated.) Parameter Symbol Min Typ Max Unit Conditions Collector-Base Breakdown Voltage BVCBO 150 190 — V IC = 100µA Collector-Emitter Breakdown Voltage BVCER 150 190 — V IC = 1µA, RB ≤ 1kΩ Collector-Emitter Breakdown Voltage BVCEO 60 80 — V IC = 10mA (Note 3) Emitter-Base Breakdown Voltage BVEBO 7 8.1 — V IE = 100µA Collector Cutoff Current ICBO — 0.5 nA µA VCB = 120V VCB = 120V, Tamb = 100°C Collector Cutoff Current ICER R ≤ 1kΩ 0.5 nA µA VCB = 120V VCB = 120V, Tamb = 100°C Emitter Cutoff Current IEBO — — 10 nA VEB = 6V Collector-Emitter Saturation Voltage VCE(sat) 170 130 210 mV IC = 100mA, IB = 5mA (Note 3) IC = 1A, IB = 100mA (Note 3) IC = 1A, IB = 50mA (Note 3) IC = 2A, IB = 50mA (Note 3) IC = 5A, IB = 200mA (Note 3) Base-Emitter Saturation Voltage VBE(sat) — 950 1050 mV IC = 4A, IB = 200mA (Note 3) Base-Emitter Turn-On Voltage VBE(on) — 840 950 mV IC = 4A, VCE = 1V (Note 3) Static Forward Current Transfer Ratio hFE 100 100 200 200 105 300 IC = 10mA, VCE = 1V (Note 3) IC = 2A, VCE = 1V (Note 3) IC = 5A, VCE = 1V (Note 3) IC = 10A, VCE = 1V (Note 3) Transition Frequency fT — 130 — MHz IC = 100mA, VCE = 10V f = 50MHz Output Capacitance COBO — 31 — pF VCB = 10V, f = 1MHz (Note 3) Switching Times tON tOFF 760 — ns IC = 1A, VCC = 10V, IB1 = IB2 = 100mA Note: 3. Measured under pulsed conditions. Pulse width = 300µs. Duty cycle ≤ 2%.

Document number: DS33420 Rev. 2 - 3 4 of 6 www.diodes.com August 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. ZX5T851A Typical Characteristics VCE(sat) VCE(sat) VBE(sat) VBE(on) VCE(sat) VCE(sat) VBE(sat) VBE(on)

Document number: DS33420 Rev. 2 - 3 5 of 6 www.diodes.com August 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. ZX5T851A Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. E-Line E-Line Dim Min Max Typ A 2.16 2.41 2.28 b 0.41 0.49 0.44 c 0.41 0.49 0.44 D 4.37 4.77 4.57 E 3.61 4.01 3.90 e 1.27 REF e2 2.54 REF L 13.00 13.97 13.50 L1 2.50 3.50 -- L2 -- -- 2.50 All Dimensions in mm Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. E-Line D e e c A E L b A/2 b c a Section a-a: a E e2 e2 D b BULK TAPED aa Ejector Mark Seating Plane Leads to pass through a hole of 0.70mm diameter Max e / e2

Document number: DS33420 Rev. 2 - 3 6 of 6 www.diodes.com August 2026 © 2026 Copyright Diodes Incorporated. All Rights Reserved. ZX5T851A 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 PARTICULAR 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 incorporate 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 trad emarks 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 sale 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 ther eof, and (b) indemnify and hold Diodes 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. 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