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Product Detailed Parameters
- Description：ULN2429A
- Series：*
- Mfr：Rochester Electronics, LLC
- Package：Bulk
- Transistor Type：-
- Current - Collector (Ic) (Max)：-
- Voltage - Collector Emitter Breakdown (Max)：-
- Vce Saturation (Max) @ Ib, Ic：-
- Current - Collector Cutoff (Max)：-
- DC Current Gain (hFE) (Min) @ Ic, Vce：-
- Power - Max：-
- Frequency - Transition：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The ULN2429A is a bipolar transistor array manufactured by Rochester Electronics, LLC. It is an analog circuit component designed for general-purpose switching applications. The device features a single functional unit within a 14-pin dual in-line plastic package (PDIP-14). It operates over an extended temperature range from -40 °C to +85 °C. The component utilizes a BIPolar technology architecture and is housed in a standard DIP-14 form factor with a maximum body length of 19.304 mm. This part serves as a legacy semiconductor solution provided through authorized lifecycle management channels.
Feature Summary
- Bipolar transistor array configuration for signal processing
- Single functional unit design
- Plastic dual in-line packaging
Applications
- General-purpose analog circuit switching
- Industrial control systems requiring legacy components
- Military and aerospace equipment maintenance
Procurement Notes
Verify the authenticity of the ULN2429A through official Rochester Electronics documentation or authorized distributors. Ensure the specific package variant matches the required PDIP-14 specification. Confirm that the component meets the necessary environmental standards for the intended application, particularly regarding the operating temperature range. Request detailed traceability records to guarantee supply chain integrity and compliance with quality assurance protocols established by the manufacturer.
Selection Notes
Select the ULN2429A when a verified bipolar transistor array is required for legacy system support. Consider its 14-pin DIP package constraints for board layout compatibility. Evaluate the -40 °C to +85 °C operating range against environmental conditions. Verify that the single-function architecture aligns with the circuit design requirements. Ensure availability through authorized channels due to its status as a mature or end-of-life product managed by Rochester Electronics.
Part Context
Rochester Electronics specializes in providing long-term supply solutions for end-of-life and active semiconductors. The ULN2429A falls under their portfolio of analog and mixed-signal ICs. As a distributor of critical components, Rochester ensures continued availability for industries such as industrial, transportation, and medical. This part represents a stabilized supply source for manufacturers maintaining existing designs without transitioning to newer alternatives.
Replacement Considerations
Consult official Rochester Electronics documentation for confirmed substitute part numbers. Cross-reference specifications carefully to ensure electrical and mechanical compatibility before substitution.
