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Product Detailed Parameters
- Description：PROGRAMMABLE UJT SOT-23
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR)
- Voltage：40V
- Power Dissipation (Max)：167 mW
- Voltage - Output：6V
- Voltage - Offset (Vt)：1.6 V
- Current - Gate to Anode Leakage (Igao)：10 nA
- Current - Valley (Iv)：50 µA
- Current - Peak：2 µA
- Package / Case：TO-236-3, SC-59, SOT-23-3
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Overview
The CMPP6027R TR is a surface-mount silicon programmable unijunction transistor housed in an SOT-23 package. It features a maximum Gate-Cathode Forward Voltage of 40 V and a Power Dissipation rating of 167 mW at 25°C ambient temperature. The device supports a DC Forward Anode Current of 150 mA and operates within a junction temperature range of -50°C to +100°C. Electrical characteristics include a Peak Current (IP) ranging from 0.15 μA to 5.0 μA depending on gate resistance, and a Valley Current (IV) up to 1.5 mA.
Feature Summary
- Features adjustable intrinsic standoff ratio and valley current parameters for circuit customization
- Designed for surface mount assembly using the compact SOT-23 package configuration
- Capable of handling peak repetitive forward currents with specified duty cycle limitations
Applications
- Oscillator circuits requiring programmable timing intervals
- Pulse generation networks utilizing intrinsic standoff ratios
- Triggering applications for thyristors or triacs
Procurement Notes
This component has been officially transitioned to End of Life status by Central Semiconductor Corp. Availability is restricted to existing stock only, as no further manufacturing is planned. Buyers should verify current inventory levels directly with authorized distributors or the manufacturer's support team before finalizing acquisition plans.
Selection Notes
Engineers must account for the discontinuation status when selecting this part for new designs. Verify that the specific SOT-23 marking code P27 matches the required electrical tolerances. Consider thermal constraints carefully, as power dissipation ratings are based on specific PCB copper pad areas defined in the datasheet notes.
Part Context
The CMPP6027R belongs to a family of silicon programmable unijunction transistors manufactured by Central Semiconductor Corp. It shares the same physical SOT-23 footprint and lead configuration as the CMPP6028R variant, differing primarily in internal programming characteristics such as peak and valley current thresholds.
Replacement Considerations
Central Semiconductor Corp lists no direct replacement part numbers for the CMPP6027R. The official notice indicates that no substitutes are available through their standard product management process, and customers are advised to contact engineering for potential alternate source information.
FAQ
What is the marking code for the CMPP6027R?
The device is marked with the code P27 on the SOT-23 package.
Is the CMPP6027R currently in production?
No, the component is classified as End of Life (EOL) and is available only from existing stock.
What is the maximum Gate-Cathode Reverse Voltage?
The maximum Gate-Cathode Reverse Voltage (VGKR) is rated at 5.0 V.
