MC1413BP

Overview

The MC1413BP is a high-voltage, high-current Darlington transistor array manufactured by onsemi. It integrates seven NPN Darlington-connected transistors within a single package, designed for driving lamps, relays, or printer hammers in industrial and consumer applications. The device features internal suppression diodes to manage inductive loads and includes a 2.7 kΩ series input resistor per channel, facilitating direct interfacing with 5.0 V TTL or CMOS logic systems. Packaged in a 16-pin PDIP (Case 648), it supports continuous collector currents up to 500 mA and offers a breakdown voltage of 50 V.

Feature Summary

• Integrates seven NPN Darlington-connected transistors for high-gain switching capabilities
• Includes internal suppression diodes to protect against inductive load voltage spikes
• Features 2.7 kΩ series input resistors compatible with standard 5.0 V logic families

Applications

• Driving incandescent lamps and lighting circuits
• Actuating electromagnetic relays
• Operating printer hammers and solenoids

Procurement Notes

Verify the specific ordering suffix 'P' corresponds to the 16-lead Plastic Dual In-Line Package (PDIP) as defined in Case 648. Confirm that the component meets Pb-Free packaging requirements if environmental compliance is necessary for the assembly process. Ensure the operating ambient temperature range aligns with the -20°C to +85°C specification for the standard MC1413B variant.

Selection Notes

Select this component when a multi-channel driver is required for moderate current loads up to 500 mA. The integrated input resistors simplify circuit design by eliminating external base resistors for 5V logic interfaces. Consider thermal resistance characteristics, specifically the junction-to-ambient rating, when designing PCB layouts for multiple active channels to ensure reliable operation within the specified temperature limits.

Part Context

The MC1413BP belongs to the MC1413 family of high-voltage Darlington arrays from onsemi. This family also includes variants such as the SOIC-16 packaged MC1413BD and automotive-grade NCV1413B models. While functionally similar regarding the transistor array topology, differences exist in package type, shipping configuration, and extended temperature ratings depending on the specific suffix and prefix used.

Replacement Considerations

Direct pin-compatible alternatives include the MC1413BD (SOIC-16) and MC1413DG (SOIC-16). For applications requiring higher current capacity, ULN2003A-based devices may be considered, though they differ in internal resistor values and saturation characteristics.