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Product Detailed Parameters
- Description：TRANS PNP 25V 0.5A SOT23-3
- Series：-
- Mfr：onsemi
- Package：Bulk
- Transistor Type：PNP
- Current - Collector (Ic) (Max)：500 mA
- Voltage - Collector Emitter Breakdown (Max)：25 V
- Vce Saturation (Max) @ Ib, Ic：620mV @ 50mA, 500mA
- Current - Collector Cutoff (Max)：100nA (ICBO)
- DC Current Gain (hFE) (Min) @ Ic, Vce：100 @ 100mA, 1V
- Power - Max：225 mW
- Frequency - Transition：-
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：TO-236-3, SC-59, SOT-23-3
- Supplier Device Package：SOT-23-3 (TO-236)
- Grade：-
- Qualification：-
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Overview
The BCX18LT1G is a discontinued PNP general-purpose silicon transistor manufactured by onsemi. It operates in the SOT-23 (TO-236) surface-mount package with a maximum continuous collector current of 500 mA. Key voltage ratings include a collector-emitter breakdown voltage of 25 V and a collector-base voltage of 30 V. The device supports a junction temperature range from -55°C to +150°C and offers a DC current gain ranging from 40 to 600 depending on operating conditions.
Feature Summary
- Designed for saturated switching and driver applications
- Capable of handling high currents up to 500 mA
- Compliant with RoHS standards and free of halogens
Applications
- Saturated switching circuits
- Driver applications for industrial service
- Thick and thin-film circuit integration
Procurement Notes
Verify component status before procurement as this specific part number is officially listed as discontinued by the manufacturer. Confirm availability through authorized distributors or secondary markets, and ensure that any replacement components meet the required electrical specifications and physical footprint constraints for your design.
Selection Notes
Select this component only if legacy compatibility is required due to its discontinued status. For new designs, consider alternative PNP transistors within the same series or family that offer similar current capabilities and voltage ratings while maintaining active production status to ensure long-term supply stability.
Part Context
This device belongs to the BCX17/BCX18/BCX19 general-purpose transistor family produced by onsemi. While the BCX17 and BCX19 variants remain available, the BCX18 variant has been phased out. These transistors are commonly used in low-power analog and digital switching applications requiring small signal amplification.
Replacement Considerations
Consult the manufacturer's documentation for recommended substitutes. Verify that any replacement PNP transistor matches the 500 mA current rating, 25 V minimum collector-emitter voltage, and SOT-23 package dimensions to ensure mechanical and electrical compatibility.
