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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-883B is a high-reliability NPN Darlington transistor array manufactured by Microchip Technology. It features seven independent channels configured as medium-current drivers with open-collector outputs. The device supports a maximum collector-emitter voltage (VCEO) of 50 V and a maximum DC collector current of 500 mA per channel. Designed for surface-mount applications, it utilizes a CLCC-20 package. The component operates within an extended temperature range from -55°C to +125°C and guarantees a minimum DC current gain (hFE) of 1000.
Feature Summary
- Seven-channel NPN Darlington configuration providing high-gain switching capabilities
- Open-collector output structure suitable for interfacing with various logic families
- High-reliability construction designed for demanding environmental conditions
Applications
- Industrial control systems requiring robust relay or solenoid driving
- Military and aerospace electronic subsystems
- High-reliability power management interfaces
Procurement Notes
Verify the specific ordering suffix and revision level against the official Microchip datasheet before procurement. Confirm that the CLCC-20 package dimensions match the target PCB footprint. Ensure supply chain sources are authorized to guarantee component authenticity and traceability for critical applications.
Selection Notes
Select this component when a multi-channel NPN driver with high current gain is required in a compact surface-mount form factor. Compare the 50 V rating against system voltage requirements. Consider the CLCC-20 thermal characteristics if multiple channels operate simultaneously at peak currents.
Part Context
This part belongs to Microchip's high-reliability semiconductor portfolio, often designated for defense and space applications. It serves as a ruggedized alternative to commercial-grade Darlington arrays, offering enhanced durability and consistent performance under extreme thermal and mechanical stress.
Replacement Considerations
The SG2803J-JAN is a through-hole equivalent in the same family but uses a CDIP-18 package. Verify pinout compatibility and mounting constraints before substitution. No direct surface-mount replacements are confirmed in the provided data.
