PMBT3904 40 V, 200 mA NPN switching transistor 5 November 2020 Product data sheet 1. General description NPN switching transistor in a small SOT23 (TO-236AB) Surface-Mounted Device (SMD) plastic package. PNP complement: PMBT3906 2. Features and benefits Collector current capability I = 200 mA C Collector-emitter voltage V = 40 V CEO 3. Applications General switching and amplification 4. Quick reference data Table 1. Quick reference data Symbol Parameter Conditions Min Typ Max Unit V collector-emitter open base - - 40 V CEO voltage I collector current - - 200 mA C h DC current gain V = 1 V I = 10 mA 1 100 - 300 FE CE C 1 Pulsed test: t 300 s 0.02 p 5. Pinning information Table 2. Pinning information Pin Symbol Description Simplified outline Graphic symbol 1 B base 3 C 2 E emitter B 3 C collector E sym021 1 2 SOT23Nexperia PMBT3904 40 V, 200 mA NPN switching transistor 6. Ordering information Table 3. Ordering information Type number Package Name Description Version PMBT3904 SOT23 plastic, surface-mounted package 3 terminals 1.9 mm pitch 2.9 SOT23 mm x 1.3 mm x 1 mm body 7. Marking Table 4. Marking codes Type number Marking code 1 %1A PMBT3904 1 % = placeholder for manufacturing site code 8. Limiting values Table 5. Limiting values In accordance with the Absolute Maximum Rating System (IEC 60134). Symbol Parameter Conditions Min Max Unit V collector-base voltage open emitter - 60 V CBO V collector-emitter voltage open base - 40 V CEO V emitter-base voltage open collector - 6 V EBO I collector current - 200 mA C I peak collector current single pulse t 1 ms - 200 mA CM p I peak base current - 100 mA BM P total power dissipation T 25 C 1 - 250 mW tot amb T junction temperature - 150 C j T ambient temperature -65 150 C amb T storage temperature -65 150 C stg 1 Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard footprint. 9. Thermal characteristics Table 6. Thermal characteristics Symbol Parameter Conditions Min Typ Max Unit R thermal resistance from 1 - - 500 K/W th(j-a) junction to ambient 1 Device mounted on an FR4 Printed-Circuit Board (PCB), single-sided copper, tin-plated and standard footprint. PMBT3904 All information provided in this document is subject to legal disclaimers. Nexperia B.V. 2020. All rights reserved Product data sheet 5 November 2020 2 / 11