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Product Detailed Parameters
- Description：TRANS 4NPN DARL 50V 1.8A 20-SO
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Transistor Type：4 NPN Darlington (Quad)
- Current - Collector (Ic) (Max)：1.8A
- Voltage - Collector Emitter Breakdown (Max)：50V
- Vce Saturation (Max) @ Ib, Ic：1.6V @ 1.8A
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：1W
- Frequency - Transition：-
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：20-SOIC (0.295", 7.50mm Width)
- Supplier Device Package：20-SO
- Grade：-
- Qualification：-
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Overview
The L6221AD013TR is a monolithic quad Darlington switch manufactured by STMicroelectronics, designed for high current and high voltage switching applications. It features four non-inverting inputs controlled by a common enable input, with all inputs being TTL-compatible. The device integrates fast recirculation diodes and operates with an output voltage up to 50 V and an output current of up to 1.8 A per channel. It utilizes a SO-20 surface mount package.
Feature Summary
- Four independent non-inverting switches with a shared enable control
- TTL-compatible logic inputs for direct interface with standard logic circuits
- Integrated fast recirculation diodes for inductive load protection
- Low saturation voltage characteristics for efficient power switching
Applications
- High current and high voltage switching systems
- Solenoid driver circuits
- Inductive load management
- Motor control interfaces
Procurement Notes
Verify the specific ordering suffix against official documentation to confirm the tape and reel packaging configuration. Ensure that the component meets the required environmental compliance standards for the intended industrial application before finalizing procurement orders.
Selection Notes
Select this component when a compact solution for driving multiple inductive loads is required. Consider the thermal resistance values and the need for adequate PCB copper area or external heat sinks to manage power dissipation within the specified operating temperature range.
Part Context
This part belongs to the L6221 family of quad Darlington switches. It is available in various packages including Power DIP and SO-20. The AD013TR designation specifically indicates the surface-mount variant supplied in tape and reel format for automated assembly processes.
Replacement Considerations
Check for E-L6221AS or other package variants within the same family if different mounting styles are needed. Verify pin compatibility and electrical specifications against alternative quad Darlington switches from other manufacturers.
