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Product Detailed Parameters
- Description：TRANS 8NPN DARL 50V 500MA 20CLCC
- Series：-
- Mfr：Microchip Technology
- Package：Tray
- Transistor Type：8 NPN Darlington
- Current - Collector (Ic) (Max)：500mA
- Voltage - Collector Emitter Breakdown (Max)：50V
- Vce Saturation (Max) @ Ib, Ic：1.6V @ 500µA, 350mA
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-55°C ~ 125°C (TA)
- Mounting Type：Surface Mount
- Package / Case：20-CLCC
- Supplier Device Package：20-CLCC (8.89x8.89)
- Grade：-
- Qualification：-
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Overview
The SG2803L is a high-reliability Darlington transistor array manufactured by Microchip Technology. It features an NPN configuration with eight internal channels arranged in an open-collector output structure. The device supports a maximum collector-emitter voltage (VCEO) of 50 V and a maximum DC collector current of 500 mA per channel. It exhibits a minimum DC current gain (hFE) of 1000. Designed for surface-mount applications, it utilizes a CLCC-20 package. The component operates within a temperature range from -55°C to +125°C.
Feature Summary
- High-reliability construction suitable for demanding environments
- Integrated Darlington pairs providing high current gain
- Open-collector output configuration for flexible interfacing
Applications
- Medium-current driver circuits
- High-reliability industrial control systems
- Aerospace and defense electronic assemblies
Procurement Notes
Verify the specific ordering suffix and revision level against the manufacturer's latest datasheet before procurement. Confirm that the CLCC-20 package dimensions align with the target PCB footprint. Ensure supply chain sources are authorized to guarantee component authenticity and traceability for high-reliability requirements.
Selection Notes
Select this component when high current drive capability is required from low-level logic signals. The Darlington configuration simplifies base drive resistor calculations due to high gain. Verify thermal management requirements for the CLCC-20 package under continuous load conditions. Compare performance against standard commercial arrays if military or aerospace qualification is not strictly necessary.
Part Context
This part belongs to Microchip's SG series of high-reliability semiconductor devices. These components are typically designed to meet stringent quality standards such as MIL-PRF-38534. The SG2803L serves as a ruggedized alternative to commercial Darlington arrays, offering enhanced durability and consistent electrical characteristics across extreme environmental conditions.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Evaluate pin-compatible alternatives only after verifying exact electrical parameter matches and package integrity.
