BSS138LT1G
Power MOSFET, N Channel, 50 V, 200 mA, 3.5 ohm, SOT-23, Surface Mount
- Manufacturer: ONSEMI
- Product type: Single MOSFETs
- Transistor Polarity:N Channel; Continuous Drain Current Id:200mA; Drain Source Voltage Vds:50V; On Resistance Rds(on):3.5ohm; Rds(on) Test Voltage Vgs:5V; Threshold Voltage Vgs:1.5V; Power D
- MSL: -
- SVHC: No SVHC (25-Jun-2025)
- No. of Pins: 3Pins
- Channel Type: N Channel
- Product Range: -
- Qualification: -
- Power Dissipation: 225mW
- Transistor Mounting: Surface Mount
- Rds(on) Test Voltage: 5V
- Transistor Case Style: SOT-23
- Drain Source Voltage Vds: 50V
- Operating Temperature Max: 150°C
- Continuous Drain Current Id: 200mA
- Drain Source On State Resistance: 3.5ohm
- Gate Source Threshold Voltage Max: 1.5V
| Delivery and price | |
|---|---|
| Units per pack | 1500 |
| Price | 0.068 € |
| Current stock | 1000+ |
| Lead time | 30 days |
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## MOSFET – Power, N-Channel, SOT-23 200 mA, 50 V BSS138L, BVSS138L
## **200 mA, 50 V R = 3.5 DS(on)**
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N−Channel<br>3<br>1<br>2<br>**----- End of picture text -----**<br>
Typical applications are DC−DC converters, power management in portable and battery−powered products such as computers, printers, PCMCIA cards, cellular and cordless telephones.
## **Features**
- Low Threshold Voltage (VGS(th): 0.85 V−1.5 V) Makes it Ideal for Low Voltage Applications
- Miniature SOT−23 Surface Mount Package Saves Board Space
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|||||||||||
|---|---|---|---|---|---|---|---|---|---|
|MARKING|
|•|HBM Class 0A, MM Class M1A, CDM Class IV (Note 3)|3|DIAGRAM|
|•|BVSS Prefix for Automotive and Other Applications Requiring|
|Unique Site and Control Change Requirements; AEC−Q101|1|
|Qualified and PPAP Capable|2|J1 M|
|•|These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS|SOT−23|
|CASE 318|
|Compliant|din|1|es|
|STYLE 21|
|MAXIMUM RATINGS|(TA = 25|°|C unless otherwise noted)|J1|= Device Code|
|Rating|Symbol|Value|Unit|M|= Date Code*|
|es ee|es|.|= Pb−Free Package|
|Drain−to−Source Voltage|VDSS|50|Vdc|(Note: Microdot may be in either location)|
|Gate−to−Source Voltage − Continuous|VGS|±|20|Vdc|
|a|*Date Code orientation and/or overbar may|
|Drain Current|mA|vary depending upon manufacturing location.|
|−Continuous @ TA = 25|°|C|ID|200|
|−Pulsed Drain Current (tp|≤|10 s)|IDM|800|
|Total Power Dissipation @ TA = 25|°|C|PD|225|mW|ORDERING INFORMATION|
||]|————|
|Operating and Storage Temperature|TJ, Tstg|−55 to 150|°|C|Device|Package|Shipping|[[†]]|
|es|Range|BSS138LT1G,|SOT−23|3,000 / Tape & Reel|
|Thermal Resistance,|R|ee|JA|556|ee|°|C/W|BVSS138LT1G|(Pb−Free)|
|Junction−to−Ambient|
|ee|BSS138LT7G|SOT−23|3,500 / Tape & Reel|
|Maximum Lead Temperature for|TL|260|°|C|(Pb−Free)|
|Soldering Purposes, for 10 seconds|
|BSS138LT3G,|SOT−23|10,000 / Tape & Reel|
|Stresses exceeding those listed in the Maximum Ratings table may damage the|BVSS138LT3G|(Pb−Free)|
|Oo|ee|ee|—{—|
|device. If any of these limits are exceeded, device functionality should not be|
|†For information on tape and reel specifications,|
|assumed, damage may occur and reliability may be affected.|
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**ORDERING INFORMATION Device Package Shipping**[[†]] BSS138LT1G, SOT−23 3,000 / Tape & Reel BVSS138LT1G (Pb−Free) BSS138LT7G SOT−23 3,500 / Tape & Reel (Pb−Free) BSS138LT3G, SOT−23 10,000 / Tape & Reel BVSS138LT3G (Pb−Free) ~~—{—~~ †For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D.
Publication Order Number: **BSS138LT1/D**
**1**
© Semiconductor Components Industries, LLC, 2016 **April, 2024 − Rev. 14**
**BSS138L, BVSS138L**
**ELECTRICAL CHARACTERISTICS** (TA = 25 ° C unless otherwise noted)
**Characteristic Symbol Min Typ Max Unit** ~~Po~~ **OFF CHARACTERISTICS** Drain−to−Source Breakdown Voltage V(BR)DSS 50 − − Vdc (VGS = 0 Vdc, ID = 250 Adc) ~~a~~ Zero Gate Voltage Drain Current IDSS Adc (VDS = 25 Vdc, VGS = 0 Vdc, 25 ° C) − − 0.1 (VDS = 50 Vdc, VGS = 0 Vdc, 25 ° C) − − 0.5 (VDS = 50 Vdc, VGS = 0 Vdc, 150 ° C) − − 5.0 Gate−Source Leakage Current (VGS = ± 20 Vdc, VDS = 0 Vdc) IGSS − − ± 0.1 Adc ~~eee~~ **ON CHARACTERISTICS** (Note 1) Gate−Source Threshold Voltage VGS(th) 0.85 − 1.5 Vdc (VDS = VGS, ID = 1.0 mAdc) ~~a~~ Static Drain−to−Source On−Resistance rDS(on) (VGS = 2.75 Vdc, ID < 200 mAdc, TA = −40 ° C to +85 ° C) − 5.6 10 (VGS = 5.0 Vdc, ID = 200 mAdc) − − 3.5 ~~ee~~ Forward Transconductance ~~ee~~ gfs 100 − − mmhos (VDS = 25 Vdc, ID = 200 mAdc, f = 1.0 kHz) ~~a~~ **DYNAMIC CHARACTERISTICS** Input Capacitance (VDS = 25 Vdc, VGS = 0, f = 1 MHz) Ciss − 40 50 pF Output Capacitance (VDS = 25 Vdc, VGS = 0, f = 1 MHz) Coss − 12 25 Transfer Capacitance (VDG = 25 Vdc, VGS = 0, f = 1 MHz) Crss − 3.5 5.0 ~~———~~ **SWITCHING CHARACTERISTICS** (Note 2) Turn−On Delay Time td(on) − − 20 ns (VDD = 30 Vdc, ID = 0.2 Adc,) ~~es~~ Turn−Off Delay Time td(off) − − 20 Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product ~~A ee eee ee~~ performance may not be indicated by the Electrical Characteristics if operated under different conditions.
1. Pulse Test: Pulse Width ≤ 300 s, Duty Cycle ≤ 2%.
2. Switching characteristics are independent of operating junction temperature.
3. ESD between the gate and source serves only, no gate overvoltage rating is implied.
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**BSS138L, BVSS138L**
## **TYPICAL ELECTRICAL CHARACTERISTICS**
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0.8 0.9<br>TJ = 25°C VGS = 3.5 V VDS = 10 V 25°C<br>0.7 nia aa 0.8 ee ee ee -55°C<br>VGS = 3.25 V 0.7<br>0.6 Hpy-AR + a ee 9 Ay a 150°C<br>VGS = 3.0 V 0.6<br>0.5<br>>Ze VGS = 2.75 V 0.5 e e ee<br>0.4<br>fe 0.4 f h<br>0.3 V GS = 2.5 V<br>0.3<br>0.2 pri yi Tf<br>0.2<br>0.10 PoorerAe 0.10 es?EEE AEE<br>0 1 2 3 4 5 6 7 8 9 10 0 0.5 1 1.5 2 2.5 3 3.5 4 4.5<br>VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS) VGS, GATE-TO-SOURCE VOLTAGE (VOLTS)<br>Figure 1. On−Region Characteristics Figure 2. Transfer Characteristics<br>2.2 1.25<br>ID = 1.0 mA<br>2<br>ee VGS = 10 V<br>1.8 ID = 0.8 A 1.125<br>1.6<br>VGS = 4.5 V<br>1.4 ID = 0.5 A 1<br>1.2<br>1 0.875<br>0.8<br>0.6 0.75<br>er -5 45 ro 95 145 er oS -30 -5 20 45 70 95 120 145<br>TJ, JUNCTION TEMPERATURE (°C) TJ, JUNCTION TEMPERATURE (°C)<br>Figure 3. On−Resistance Variation with Figure 4. Threshold Voltage Variation<br>Temperature with Temperature<br>10 1.0E-5<br>VDS = 40 V<br>TJ = 25°C<br>8 1.0E-6 150°C<br>6<br>125°C<br>1.0E-7<br>4 a4! -------—<br>ID = 200 mA<br>1.0E-8<br>2 Pi.<br>| | | Gee<br>0 ees 1.0E-9 --------—<br>0 500 1000 1500 2000 2500 3000 0 5 10 15 20 25 30 35 40 45 50<br>QT, TOTAL GATE CHARGE (pC) VDS, DRAIN-TO-SOURCE VOLTAGE (V)<br>ID, DRAIN CURRENT (AMPS) ID, DRAIN CURRENT (AMPS)<br>(NORMALIZED)<br>Vgs(th) , VARIANCE (VOLTS)<br>RDS(on), DRAIN-TO-SOURCE RESISTANCE<br>, DRAIN-TO-SOURCE LEAKAGE (A)<br>IDSS<br>VGS, GATE-TO-SOURCE VOLTAGE (VOLTS)<br>**----- End of picture text -----**<br>
**Figure 5. Gate Charge**
**Figure 6. IDSS**
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**BSS138L, BVSS138L**
## **TYPICAL ELECTRICAL CHARACTERISTICS**
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10 8<br>2 VGS = 2.5 V VGS = 2.75 V<br>9<br>7 150°C<br>8<br>150°C<br>eee 6<br>7 ps<br>6 GOOG|. oT t C“<C 5 iS a<br>5 25°C 4<br>4 25°C<br>ee 3<br>3 -55 ° C<br>21 ——PEEtC 21 SS -55°C<br>0 0.05 0.1 0.15 0.2 0.25 0 0.05 0.1 0.15 0.2 0.25<br>ID, DRAIN CURRENT (AMPS) ID, DRAIN CURRENT (AMPS)<br>Figure 7. On−Resistance versus Drain Current Figure 8. On−Resistance versus Drain Current<br>6 4.5<br>5.5 ee VGS = 4.5 V a 150°C 4 VGS = 10 V 150°C<br>5<br>4.5 Se 3.5<br>4<br>3<br>3.5<br>3 Pet | | 25°C 2.5 PPP rr 25°C<br>2.5 2<br>2 -55°C<br>FEES 1.5 REEREEREE -55°C<br>1.5<br>1 RE 1 EEE<br>0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5 0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5<br>ID, DRAIN CURRENT (AMPS) ID, DRAIN CURRENT (AMPS)<br>Figure 9. On−Resistance versus Drain Current Figure 10. On−Resistance versus Drain<br>Current<br>1 120<br>VGS = 2.75 V<br>100 TJ = 25°C<br>f = 1 MHz<br>TJ = 150°C 25°C -55°C<br>0.1<br>ee 80<br>60<br>— FFP ay © ae eefo<br>Ciss<br>0.01 40<br>ee<br>Coss<br>20<br>— a ee<br>fF WN Crss<br>0.001 fe H OE 0<br>0 0.2 0.4 0.6 0.8 1.0 1.2 0 5 10 15 20 25<br>VSD, DIODE FORWARD VOLTAGE (VOLTS) VDS, DRAIN-TO-SOURCE VOLTAGE (VOLTS)<br>RDS(on), DRAIN-TO-SOURCE RESISTANCE (OHMS) RDS(on), DRAIN-TO-SOURCE RESISTANCE (OHMS)<br>RDS(on), DRAIN-TO-SOURCE RESISTANCE (OHMS) RDS(on), DRAIN-TO-SOURCE RESISTANCE (OHMS)<br>C, CAPACITANCE (pF)<br>ID, DIODE CURRENT (AMPS)<br>**----- End of picture text -----**<br>
**Figure 11. Body Diode Forward Voltage**
**Figure 12. Capacitance**
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## **TYPICAL ELECTRICAL CHARACTERISTICS**
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1<br>° SS ——— = ———e s<br>TA = 25 C EE ea SN S<br>VGS ≤ 10 V Ptya eTINGEN 1 m s<br>10 m s<br>0.1 SSSaSeees a ee—— er ner<br>se<br>a ee<br>pte fT Perey ft PN<br>0.01 ————_————————a ae<br>a<br>a dc<br>RDS(on) LIMIT Pret[TTTTtessa<br>THERMAL LIMIT<br>PACKAGE LIMIT<br>0.001<br>0.1 1 10 100<br>VDS, DRAIN−TO−SOURCE VOLTAGE (V)<br>, DRAIN−TO−SOURCE CURRENT (A)<br>IDS<br>**----- End of picture text -----**<br>
**Figure 13. Safe Operating Area**
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MECHANICAL CASE OUTLINE **PACKAGE DIMENSIONS**
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SOT−23 (TO−236) 2.90x1.30x1.00 1.90P<br>CASE 318<br>ISSUE AU<br>DATE 14 AUG 2024<br>**----- End of picture text -----**<br>
**SCALE 4:1**
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GENERIC<br>MARKING DIAGRAM*<br>XXXM �<br>�<br>1<br>XXX = Specific Device Code<br>M = Date Code<br>� = Pb−Free Package<br>**----- End of picture text -----**<br>
*This information is generic. Please refer to device data sheet for actual part marking. Pb−Free indicator, “G” or microdot “ � ”, may or may not be present. Some products may not follow the Generic Marking.
## **STYLES ON PAGE 2**
Electronic versions are uncontrolled except when accessed directly from the Document Repository. **DOCUMENT NUMBER: 98ASB42226B** Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red. **DESCRIPTION: SOT−23 (TO−236) 2.90x1.30x1.00 1.90P PAGE 1 OF 2**
**onsemi** and are trademarks of Semiconductor Components Industries, LLC dba **onsemi** or its subsidiaries in the United States and/or other countries. **onsemi** reserves the right to make changes without further notice to any products herein. **onsemi** makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does **onsemi** assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. **onsemi** does not convey any license under its patent rights nor the rights of others.
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© Semiconductor Components Industries, LLC, 2019
DATE 14 AUG 2024
## **SOT−23 (TO−236) 2.90x1.30x1.00 1.90P** CASE 318 ISSUE AU
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STYLE 1 THRU 5: STYLE 6: STYLE 7: STYLE 8:<br>CANCELLED PIN 1. BASE PIN 1. EMITTER PIN 1. ANODE<br>2. EMITTER 2. BASE 2. NO CONNECTION<br>3. COLLECTOR 3. COLLECTOR 3. CATHODE<br>STYLE 9: STYLE 10: STYLE 11: STYLE 12: STYLE 13: STYLE 14:<br>PIN 1. ANODE PIN 1. DRAIN PIN 1. ANODE PIN 1. CATHODE PIN 1. SOURCE PIN 1. CATHODE<br>2. ANODE 2. SOURCE 2. CATHODE 2. CATHODE 2. DRAIN 2. GATE<br>3. CATHODE 3. GATE 3. CATHODE−ANODE 3. ANODE 3. GATE 3. ANODE<br>STYLE 15: STYLE 16: STYLE 17: STYLE 18: STYLE 19: STYLE 20:<br>PIN 1. GATE PIN 1. ANODE PIN 1. NO CONNECTION PIN 1. NO CONNECTION PIN 1. CATHODE PIN 1. CATHODE<br>2. CATHODE 2. CATHODE 2. ANODE 2. CATHODE 2. ANODE 2. ANODE<br>3. ANODE 3. CATHODE 3. CATHODE 3. ANODE 3. CATHODE−ANODE 3. GATE<br>STYLE 21: STYLE 22: STYLE 23: STYLE 24: STYLE 25: STYLE 26:<br>PIN 1. GATE PIN 1. RETURN PIN 1. ANODE PIN 1. GATE PIN 1. ANODE PIN 1. CATHODE<br>2. SOURCE 2. OUTPUT 2. ANODE 2. DRAIN 2. CATHODE 2. ANODE<br>3. DRAIN 3. INPUT 3. CATHODE 3. SOURCE 3. GATE 3. NO CONNECTION<br>STYLE 27: STYLE 28:<br>PIN 1. CATHODE PIN 1. ANODE<br> 2. CATHODE 2. ANODE<br> 3. CATHODE 3. ANODE<br>**----- End of picture text -----**<br>
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Electronic versions are uncontrolled except when accessed directly from the Document Repository.<br>DOCUMENT NUMBER: 98ASB42226B Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.<br>DESCRIPTION: SOT−23 (TO−236) 2.90x1.30x1.00 1.90P PAGE 2 OF 2<br>**----- End of picture text -----**<br>
**onsemi** and are trademarks of Semiconductor Components Industries, LLC dba **onsemi** or its subsidiaries in the United States and/or other countries. **onsemi** reserves the right to make changes without further notice to any products herein. **onsemi** makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does **onsemi** assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. **onsemi** does not convey any license under its patent rights nor the rights of others.
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© Semiconductor Components Industries, LLC, 2019
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Updated at April 29, 2026
onsemi is a premier global supplier of intelligent power and sensing technologies, driving disruptive innovations across the automotive, industrial, and cloud infrastructure markets. Recognized for their commitment to sustainability and reliable supply chains, the company accelerates advancements in vehicle electrification, industrial automation, and 5G networks by solving the industry's most complex design challenges. At the core of their portfolio is an industry-leading selection of discrete semiconductors. This extensive range features thousands of high-performance bipolar transistors, single and dual MOSFETs, and a comprehensive array of diodes, including Zener, Schottky, and fast-recovery rectifiers. Engineered for superior thermal performance and energy efficiency, these foundational components are critical for demanding power conversion, switching, and signal conditioning applications. Beyond essential discretes, onsemi provides a robust suite of advanced power management and circuit protection solutions. Their lineup includes intelligent power modules, single IGBTs, and transient voltage suppression (TVS) diodes designed to safeguard sensitive circuitry. Complimented by integrated passive filters, AC/DC LED driver ICs, and specialized sub-2.4GHz RF transceivers, onsemi equips engineers with the scalable, high-quality technologies needed to build a cleaner, smarter, and more connected world.
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