BSS138 N-CHANNEL ENHANCEMENT MODE MOSFET Features Mechanical Data Low On-Resistance Low Gate Threshold Voltage Low Input Capacitance Fast Switching Speed Low Input/Output Leakage Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. "Green" Device (Note 3) The BSS138Q 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/ Case: SOT23 Case 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) e3 Drain SOT23 D Gate S G Source Top View Top View Equivalent Circuit Ordering Information (Note 4) Part Number BSS138-7-F BSS138-13-F BSS138Q-7-F Notes: Qualification Commercial Commercial Automotive Case SOT23 SOT23 SOT23 Packaging 3000/Tape & Reel 10000/Tape & Reel 3000/Tape & Reel 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 K38 = Product Type Marking Code YM = Date Code Marking for SAT (Shanghai Assembly/ Test Site) M = Date Code Marking for CAT (Chengdu Assembly/ Test Site) Y or = Year (ex: G = 2019) M = Month (ex: 9 = September) Chengdu A/T Site Date Code Key Year Code Month Code 1998 J 1999 K Shanghai A/T Site ... ... 2000 L 2002 N 2016 D 2017 E 2018 F 2019 G 2020 H 2021 I 2022 J 2023 K 2024 L 2025 M Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 1 2 3 4 5 6 7 8 9 O N D BSS138 Document number: DS30144 Rev. 22 - 2 1 of 5 www.diodes.com October 2019 (c) Diodes Incorporated BSS138 Maximum Ratings (@TA = +25C, unless otherwise specified.) Characteristic Drain-Source Voltage Drain-Gate Voltage RGS 20K Gate-Source Voltage Continuous Gate-Source Voltage Non Repetitive, Pulse Width<50s Drain Current Continuous Pulsed Drain Current (10s Pulse Duty Cycle = 1%) Symbol VDSS VDGR VGSS ID IDM Value 50 50 20 40 200 1 Unit V V V V mA A Value 300 417 -55 to +150 Unit mW C/W C Thermal Characteristics (@TA = +25C, unless otherwise specified.) Characteristic Power Dissipation (Note 5) Thermal Resistance, Junction to Ambient (Note 5) Operating and Storage Temperature Range Electrical Characteristics Symbol PD RJA TJ, TSTG (@TA = +25C, unless otherwise specified.) Characteristic OFF CHARACTERISTICS (Note 6) Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Gate-Body Leakage ON CHARACTERISTICS (Note 6) Gate Threshold Voltage Static Drain-Source On-Resistance Forward Transconductance DYNAMIC CHARACTERISTICS Input Capacitance Output Capacitance Reverse Transfer Capacitance SWITCHING CHARACTERISTICS Turn-On Delay Time Turn-Off Delay Time Symbol Min Typ Max Unit Test Condition BVDSS IDSS IGSS 50 75 0.5 100 V A nA VGS = 0V, ID = 250A VDS = 50V, VGS = 0V VGS = 20V, VDS = 0V VGS(TH) RDS(ON) gFS 0.5 100 1.2 1.4 1.5 3.5 V mS VDS = VGS, ID = 250A VGS = 10V, ID = 0.22A VDS = 25V, ID = 0.2A, f = 1.0KHz Ciss Coss Crss 50 25 8.0 pF pF pF VDS = 10V, VGS = 0V, f = 1.0MHz tD(ON) tD(OFF) 20 20 ns ns VDD = 30V, ID = 0.2A, RGEN = 50 5. Device mounted on FR-4 PCB 1.0 x 0.75 x 0.062 inch pad layout as shown on Diodes Incorporated's suggested pad layout, which can be found on our website at http://www.diodes.com/package-outlines.html. 6. Short duration pulse test used to minimize self-heating effect. 0.6 ID, DRAIN-SOURCE CURRENT (A) CC TjJ==25 25 0.8 VGS = 3.5V 0.5 ID, DRAIN-SOURCE CURRENT (A) Notes: V GS = 3.25V 0.4 VGS = 3.0V 0.3 VGS = 2.75V 0.2 VGS = 2.5V 0.1 0 1 2 3 4 5 6 7 8 9 10 VDS, DRAIN-SOURCE VOLTAGE (V) Fig. 1 Drain-Source Current vs. Drain-Source Voltage 0 BSS138 Document number: DS30144 Rev. 22 - 2 2 of 5 www.diodes.com 0.7 VDS = 1V -55C 25C 0.6 0.5 150C 0.4 0.3 0.2 0.1 0 0 0.5 1 1.5 2 2.5 3.5 3 VGS, GATE-SOURCE VOLTAGE (V) Fig. 2 Transfer Characteristics 4 4.5 October 2019 (c) Diodes Incorporated BSS138 2.4 V GS(th), GATE THRESHOLD VOLTAGE (V) RDS(ON), NORMALIZED DRAIN-SOURCE ON-RESISTANCE () 2.45 2.25 2.05 1.85 VGS = 10V ID = 0.5A 1.65 1.45 1.25 VGS = 4.5V ID = 0.075A 1.05 0.85 2.0 1.6 1.2 0.8 0 -50 VGS = 2.5V 7 6 5 25C 4 3 -55C 2 1 0 -25 0 25 50 75 100 125 150 TTJj, JUNCTION TEMPERATURE TEMPERATURE ( (C)) Fig. 4 Gate Threshold Variation vs. Junction Ambient Temperature Temperature RDS(ON), DRAIN-SOURCE ON-RESISTANCE () RDS(ON), DRAIN-SOURCE ON-RESISTANCE () -5 45 145 95 TTJj, JUNCTION TEMPERATURE TEMPERATURE ( (C)) Fig. 3 Drain-Source On-Resistance vs. Junction Temperature 150C VGS = 4.5V 5 150C 4 3 2 25C 1 -55C 0 0.1 BSS138 Document number: DS30144 Rev. 22 - 2 8 VGS = 2.75V 7 6 150C 5 4 25C 3 2 -55C 1 0 0.1 0.15 0.25 0.2 ID, DRAIN-CURRENT (A) Fig. 6 Drain-Source On-Resistance vs. Drain-Current 0.3 0.5 0.2 0.4 ID, DRAIN-CURRENT (A) Fig. 7 Drain-Source On-Resistance vs. Drain-Current 0 9 0.05 0 RDS(ON), DRAIN-SOURCE ON-RESISTANCE () RDS(ON), DRAIN-SOURCE ON-RESISTANCE () 0.02 0.04 0.06 0.08 0.1 0.12 0.14 0.16 ID, DRAIN-CURRENT (A) Fig. 5 Drain-Source On-Resistance vs. Drain-Current 0 6 250 IDID==250A 0.4 0.65 -55 8 ID = 1mA 3 of 5 www.diodes.com 3.5 VGS = 10V 3 150C 2.5 2 1.5 25C 1 -55C 0.5 0 0.1 0.3 0.5 0.2 0.4 ID, DRAIN-CURRENT (A) Fig. 8 Drain-Source On Resistance vs. Drain-Current 0 October 2019 (c) Diodes Incorporated BSS138 1 100 C, CAPACITANCE (pF) ID, DIODE CURRENT (A) VGS = 0V f = 1MHz 0.1 150C -55C 0.01 25C iSS CCiss 10 OSS CCoss CrSS C rss 1 0.001 0 0 0.2 0.4 0.6 0.8 1 1.2 VSD, DIODE FORWARD VOLTAGE (V) Fig. 9 Body Diode Current vs. Body Diode Voltage 5 10 15 20 25 30 VDS, DRAIN-SOURCE VOLTAGE (V) Fig. 10 Capacitance vs. Drain-Source Voltage Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. All 7 H K1 GAUGE PLANE 0.25 J K a M A L C L1 B D G F 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. Y C Y1 X BSS138 Document number: DS30144 Rev. 22 - 2 Dimensions C X X1 Y Y1 Value (in mm) 2.0 0.8 1.35 0.9 2.9 X1 4 of 5 www.diodes.com October 2019 (c) Diodes Incorporated BSS138 IMPORTANT NOTICE DIODES INCORPORATED MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 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LIFE SUPPORT Diodes Incorporated products are specifically not authorized for use as critical components in life support devices or systems without the express written approval of the Chief Executive Officer of Diodes Incorporated. As used herein: A. Life support devices or systems are devices or systems which: 1. are intended to implant into the body, or 2. support or sustain life and whose failure to perform when properly used in accordance with instructions for use provided in the labeling can be reasonably expected to result in significant injury to the user. B. A critical component is any component in a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or to affect its safety or effectiveness. Customers represent that they have all necessary expertise in the safety and regulatory ramifications of their life support devices or systems, and acknowledge and agree that they are solely responsible for all legal, regulatory and safety-related requirements concerning their products and any use of Diodes Incorporated products in such safety-critical, life support devices or systems, notwithstanding any devices- or systems-related information or support that may be provided by Diodes Incorporated. Further, Customers must fully indemnify Diodes Incorporated and its representatives against any damages arising out of the use of Diodes Incorporated products in such safety-critical, life support devices or systems. Copyright (c) 2019, Diodes Incorporated www.diodes.com BSS138 Document number: DS30144 Rev. 22 - 2 5 of 5 www.diodes.com October 2019 (c) Diodes Incorporated