Key facts
- Brand
- Siemens
- Model
- BTS 726 L1
- Category
- power switch
- Documents
- 2
- Languages
- EN
- Last added
- 2012-04-05
Start here

Siemens BTS 726 L1 Manual
The BTS 726 L1 is a Smart Two‑Channel High‑Side Power Switch designed for 12 V and 24 V DC grounded loads. It replaces electromechanical relays and offers built‑in protection functions such as over‑voltage, overload, short‑circuit, thermal shutdown, and reverse‑battery protection.
The document details the product summary, pin definitions, electrical characteristics, protection functions, diagnostic features, and package information. It includes maximum ratings, on‑state resistance, load current limits, and timing diagrams for short‑circuit and open‑load detection.
Siemens BTS 726 L1 specifications
| Operating voltage (Vob(on)) | 9.0 … 34 V |
|---|---|
| Thermal shutdown nominal load | 6.0 A |
| Input voltage (DC) | -10 … +16 V |
| On‑state resistance (Ron) | 50 … 60 mΩ |
Source: Siemens BTS 726 L1 Datasheet
All Siemens BTS 726 L1 documents by type
Ratings, dimensions and ordering codes, for selection and design work.
Questions answered in these manuals
How many channels does the BTS 726 L1 have?
The device provides two independent high‑side channels.
What is the typical on‑state resistance of each channel?
Typical on‑state resistance is about 50 mΩ per channel.
How many channels does the BTS 726 L1 have?
It is a two‑channel high‑side power switch.
What is the typical on‑state resistance of the device?
The typical on‑state resistance is between 50 mΩ and 60 mΩ.
