IMH20TR1G

Overview

The IMH20TR1G is a dual NPN pre-biased bipolar junction transistor (BJT) array in an SC-74R surface-mount package. It features a maximum collector current of 600 mA and a collector-emitter voltage rating of 30 V. The device includes integrated bias resistors with a standard input resistance of 1.54 kOhms. Key electrical characteristics include a low saturation voltage of 80 mV maximum at IC/IB = 50 mA/2.5 mA, ensuring efficient switching performance. Power dissipation is rated at 300 mW under specified conditions.

Feature Summary

• Dual NPN configuration with integrated bias resistors for simplified circuit design
• Low saturation voltage to minimize power loss during switching operations
• High current capability supporting up to 600 mA collector current
• Surface-mount packaging optimized for automated assembly processes

Applications

• General-purpose switching applications in consumer electronics
• Driver circuits for small signal loads requiring pre-biased inputs
• Logic interface circuits where level shifting or buffering is needed
• Power management control stages in portable devices

Procurement Notes

Verify the component authenticity by checking the manufacturer's marking code against official datasheet specifications. Ensure the SC-74R package dimensions match your PCB footprint requirements. Confirm that the thermal resistance values align with your system's heat dissipation strategy. Cross-reference the part number suffix to ensure it corresponds to the correct tape and reel configuration for your manufacturing line.

Selection Notes

Choose this component when a dual NPN solution with built-in base resistors is required to reduce board space and component count. Consider the 30 V voltage rating and 600 mA current limit to ensure adequate headroom for your specific load conditions. Evaluate the thermal performance within the SC-74R package if operating near maximum power dissipation limits. Compare alternative single-transistor solutions if only one channel is needed to optimize cost.

Part Context

This device belongs to onsemi's family of pre-biased bipolar transistors, designed to replace discrete resistor-transistor networks. These components integrate internal base resistors to simplify biasing requirements in digital and analog switching circuits. The SC-74R package provides a compact form factor suitable for high-density PCB layouts common in modern electronic devices.

Replacement Considerations

• IMH20TR1GT1G

FAQ

What is the standard input resistance value for the IMH20TR1G?

The standard input resistance is 1.54 kOhms.

What is the maximum collector-emitter voltage rating?

The maximum collector-emitter voltage (V(BR)CEO) is 30 V.