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Product Detailed Parameters
- Description：TRANS NPN 20V 0.7A 3-NP
- Series：-
- Mfr：onsemi
- Package：Bulk
- Transistor Type：NPN
- Current - Collector (Ic) (Max)：700 mA
- Voltage - Collector Emitter Breakdown (Max)：20 V
- Vce Saturation (Max) @ Ib, Ic：300mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：1µA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 50mA, 2V
- Power - Max：600 mW
- Frequency - Transition：250MHz
- Operating Temperature：150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：3-NP
- Grade：-
- Qualification：-
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Overview
The 2SD734E-AA is a silicon NPN epitaxial planar transistor manufactured by onsemi, designed for general-purpose switching and amplification applications. It features a common-emitter configuration with high current gain and low saturation voltage. The device is housed in a compact surface-mount package suitable for automated assembly processes. Key electrical characteristics include a collector-emitter breakdown voltage of 50V and a continuous collector current rating of 100mA. The component operates within a junction temperature range of -55°C to +150°C, ensuring reliability in various electronic circuits.
Feature Summary
- High DC current gain (hFE) across operating conditions
- Low collector-emitter saturation voltage for efficient switching
- Epitaxial planar construction for improved thermal stability
- Lead-free finish compliant with RoHS directives
Applications
- General-purpose switching circuits
- Amplifier stages in consumer electronics
- Driver circuits for small loads
- Signal processing in portable devices
Procurement Notes
Verify the specific suffix 'AA' against the official onsemi datasheet to confirm packaging type and tape-and-reel specifications. Ensure the order quantity matches the manufacturer's standard reel size. Confirm lead-free status and RoHS compliance documentation is available from the authorized distributor prior to procurement.
Selection Notes
Select this component when a low-cost, general-purpose NPN transistor is required for switching applications up to 100mA. Consider the 50V breakdown voltage limit for circuit design. Evaluate thermal management requirements based on the power dissipation capabilities in the chosen package. Compare hFE ranges with application needs for consistent amplification performance.
Part Context
The 2SD734 series belongs to onsemi's portfolio of small-signal NPN transistors widely used in consumer electronics and industrial control systems. These components are known for their reliability and cost-effectiveness in mass-produced devices. The 2SD734E-AA variant specifically denotes a particular packaging and handling configuration within this family, optimized for surface-mount technology assembly lines.
Replacement Considerations
Consult onsemi's official cross-reference guide or contact technical support for verified equivalent part numbers. Do not substitute without verifying pinout compatibility, electrical ratings, and package dimensions. Generic replacements may lack the specific hFE binning or thermal characteristics of the original component.
