Product Summary
The BTS409L1 is a semiconductor. N channel vertical power FET with charge pump, ground referenced CMOS compatible input and diagnostic feedback, monolithically integrated in Smart SIPMOS technology. Fully protected by embedded protection function.
Parametrics
BTS409L1 absolute maximum ratings: (1)Supply voltage (overvoltage protection see page 3): 43 V; (2)Supply voltage for full short circuit protection: 34 V; (3)Load dump protection: 60 V; (4)Load current (Short circuit current, see page 4): self-limited A; (5)Operating temperature range: -40 to +150°C; (6)Storage temperature range: -55 to +150°C; (7)Power dissipation (DC): 18 W.
Features
BTS409L1 features: (1)Overload protection; (2)Current limitation; (3)Short circuit protection; (4)Thermal shutdown; (5)Overvoltage protection; (6)Fast demagnetization of inductive loads; (7)Reverse battery protection; (8)Undervoltage and overvoltage shutdown with auto-restart and hysteresis; (9)Open drain diagnostic output.
Diagrams

| Image | Part No | Mfg | Description | ![]() |
Pricing (USD) |
Quantity | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
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![]() BTS409L1 |
![]() |
![]() SWITCH SMART HIGH SIDE TO-220 |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() BTS409L1 E3043 |
![]() |
![]() IC HIGH SIDE PWR SWITCH TO220-5 |
![]() Data Sheet |
![]() Negotiable |
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![]() |
![]() BTS409L1 E3062A |
![]() Infineon Technologies |
![]() Power Switch ICs - Power Distribution PROFET SMART HI SIDE PWR SW |
![]() Data Sheet |
![]()
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![]() |
![]() BTS409L1-E3062A |
![]() |
![]() SMART HIGHSIDE SWITCH TO-220AB/5 |
![]() Data Sheet |
![]() Negotiable |
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(China (Mainland))











