BSS123
Document overview
- Manufacturer or author: Diodes Incorporated
- PDF pages: 7
Technical content
Document number: DS30366 Rev. 24 - 2 1 of 7 www.diodes.com January 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. BSS123 N-CHANNEL ENHANCEMENT MODE FIELD EFFECT TRANSISTOR Product Summary BVDSS RDS(ON) ID TA = +25° C 100V 6.0Ω @ VGS = 10V 0.17A Description and Applications These N -Channel enhancement mode field effect transistors are produced using Diodes Incorporated’s proprietary, high density and advanced trench technology. These products have been designed to minimize on-state resistance while providing rugged, reliable and fast switching performance. These products are particularly suited for low- voltage, low-current applications such as:
- Small servo motor controls
- Power MOSFET gate drivers
- Switching applications Features and Benefits
- Low Gate Threshold Voltage
- Low Input Capacitance
- Fast Switching Speed
- Low Input/Output Leakage
- High Drain-Source Voltage Rating
- Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
- Halogen and Antimony Free. “Green” Device (Note 3)
- This part is qualified to JEDEC standards (as references in AEC-Q) for High Reliability. https://www.diodes.com/quality/product-definitions/
- An automotive-compliant part is available under separate datasheet (BSS123Q) Mechanical Data
- Package: SOT23
- Package Material: Molded Plastic. UL Flammability Classification Rating 94V-0
- Moisture Sensitivity: Level 1 per J-STD-020
- Terminals: Matte Tin Finish Annealed over Alloy 42 Leadframe (Lead Free Plating). Solderable per MIL-STD-202, Method 208
- Terminal Connections: See Diagram
- Weight: 0.008 grams (Approximate) Ordering Information (Note 4) Orderable Part Number Package Packing Qty. Carrier BSS123-7-F SOT23 3,000 Tape & Reel BSS123-13-F SOT23 10,000 Tape & 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/. D G S D S G Equivalent Circuit Top View Top View SOT23
Document number: DS30366 Rev. 24 - 2 2 of 7 www.diodes.com January 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. BSS123 Marking Information Date Code Key Year 2002 … 2025 2026 2027 2028 2029 2030 2031 2032 2033 2034 Code N … 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 Maximum Ratings (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Value Unit Drain-Source Voltage VDSS 100 V Gate-Source Voltage Continuous VGSS ±20 V Continuous Drain Current (Note 5) VGS = 10V Continuous ID 0.17 A Pulsed IDM 0.68 Thermal Characteristics (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Max Unit Power Dissipation (Note 5) PD 300 mW Thermal Resistance, Junction to Ambient @TA = +25° C (Note 5) RθJA 417 ° C/W Operating and Storage Temperature Range TJ, TSTG -55 to +150 ° C Electrical Characteristics (@TA = +25° C, unless otherwise specified.) Characteristic Symbol Min Typ Max Unit Test Condition OFF CHARACTERISTICS (Note 6) Drain-Source Breakdown Voltage BVDSS 100 — — V VGS = 0V, ID = 250A Zero Gate Voltage Drain Current IDSS — — 0.1 A VDS = 100V, VGS = 0V — — 30 A VDS = 100V, VGS = 0V @ TA = +150°C (Note 7) — — 10 nA VDS = 20V, VGS = 0V Gate-Source Leakage, Forward IGSSF — — 50 nA VGS = 20V, VDS = 0V ON CHARACTERISTICS (Note 6) Gate Threshold Voltage VGS(TH) 0.8 1.4 2.0 V VDS = VGS, ID = 1mA Static Drain-Source On-Resistance RDS(ON) — 3.2 6.0 Ω VGS = 10V, ID = 0.17A — 3.8 10 VGS = 4.5V, ID = 0.17A Forward Transfer Admittance gFS 80 370 — ms VDS =10V, ID = 0.17A, f = 1.0kHz Diode Forward Voltage VSD — 0.84 1.3 V VGS = 0V, IS = 0.34A DYNAMIC CHARACTERISTICS (Note 7) Input Capacitance Ciss — 22 60 pF VDS = 25V, VGS = 0V, f = 1.0MHz Output Capacitance Coss — 3.5 15 Reverse Transfer Capacitance Crss — 2.0 6 SWITCHING CHARACTERISTICS (Note 7) Turn-On Delay Time tD(ON) — — 8 ns VGS = 10V, VDD = 30V ID = 0.28A, RGEN = 50Ω Turn-On Rise Time tR — — 8 ns Turn-Off Delay Time tD(OFF) — — 13 ns Turn-Off Fall Time tF — — 16 ns 6. Short duration pulse test used to minimize self-heating effect. 7. Guaranteed by design. Not subject to production testing. K23 = Product Type Marking Code YM = Date Code Marking Y or Y or Y = Year (ex: M = 2025) M = Month (ex: 9 = September)
© 2025 Copyright Diodes Incorporated. All Rights Reserved. Figure 13. Transient Thermal Resistance
Document number: DS30366 Rev. 24 - 2 6 of 7 www.diodes.com January 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. BSS123 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: DS30366 Rev. 24 - 2 7 of 7 www.diodes.com January 2025 © 2025 Copyright Diodes Incorporated. All Rights Reserved. BSS123 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 d esign 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 associ ated 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 dam ages 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 fore ign trademarks 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 r espect 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 Diodes and its representatives a nd 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 docume nt 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 produ ct 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 f rom 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