Mfr Part #:

BTS409L1

Mfr Name: N-A

The Infineon Technologies BTS409L1 is a smart high-side power switch designed for 12V and 24V DC grounded loads. It offers robust protection features and diagnostic feedback.

✓ Total Stock: 1,399 pcs

$ Price Range: $0.99

BTS409L1 Available from 1 distributor

✓ Authorised

✓ Non-Authorised

Distributor		Stock	Pricing	MOQ	PKG	Lead Time	Date Code	On Order Quantity	On Order Delivery
ACK ELEKTRONIK ✓ Non-Authorised Inventory information	1,399 pcs On Request	1399 pcs	On Request	1	On Request	On Request	On Request	On Request	On Request

BTS409L1 Specifications Quick View

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Category	New Products
Manufacturer Name	N-A

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BTS409L1 Description

Short technical summary and product information.

The Infineon Technologies BTS409L1 is a smart high-side power switch based on PROFET technology. It is designed for automotive applications with 12V and 24V DC grounded loads, replacing traditional relays and fuses.

Key electrical specifications include an operating voltage range of 5.0V to 34V, a maximum overvoltage protection of 43V, and a typical on-state resistance of 200 mOhm. It supports a load current of 2.3A (ISO) and has a current limitation of 4A. The device also features thermal shutdown, short circuit protection, and fast demagnetization of inductive loads.

This power switch is monolithically integrated in Smart SIPMOS technology, offering a CMOS-compatible input and diagnostic feedback. It is suitable for various load types, including resistive, inductive, and capacitive loads. The package type is PG-TO263-5-2.

BTS409L1 Quick Information

Product Type: Smart High-Side Power Switch

Series: Classic PROFET

Canonical Name: BTS409L1 Smart High-Side Power Switch

Subcategory: Smart High-Side Switch

BTS409L1 Compliance

RoHS Status: RoHS Compliant

Moisture Sensitivity Level (MSL): 1 Unlimited

REACH Status: REACH Unaffected

BTS409L1 Estimated Pricing

Qty	Low	High
1+	$0.99	$0.99

Estimated market price range - modelled values for guidance only, not live distributor offers.

BTS409L1 Features

Smart high-side power switch for automotive.
Overload and short circuit protection.
43V overvoltage protection capability.
200 mOhm typical on-state resistance.
PG-TO263-5-2 package.

BTS409L1 Applications

Suitable for 12V and 24V DC loads.
Replaces electromechanical relays and fuses.
Drives resistive, inductive, capacitive loads.
Provides diagnostic feedback for control.

BTS409L1 FAQs

7 frequently asked questions generated from this part’s specifications.

What is the operating voltage range for the BTS409L1?

The operating voltage range is 5.0 V to 34 V.

What is the typical on-state resistance of the BTS409L1?

The typical on-state resistance is 200 mOhm.

What is the maximum load current for the BTS409L1?

The load current (ISO) is 2.3 A.

What is the current limitation for the BTS409L1?

The current limitation is 4 A.

What is the overvoltage protection level for the BTS409L1?

The overvoltage protection is 43 V.

What is the operating temperature range for the BTS409L1?

The operating temperature range is -40 °C to +150 °C.

What package type is the BTS409L1 supplied in?

The package type is PG-TO263-5-2.