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Product Detailed Parameters
- Description：2V 5V 50MA 625MW TH JFET N CHANN
- Series：PN4392
- Mfr：Central Semiconductor Corp
- Package：Box
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：40 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：25 mA @ 20 V
- Current Drain (Id) - Max：75 mA
- Voltage - Cutoff (VGS off) @ Id：2 V @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：14pF @ 20V
- Resistance - RDS(On)：60 Ohms
- Power - Max：625 mW
- Operating Temperature：-55°C ~ 150°C
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 (TO-226AA)
- Supplier Device Package：TO-92-3
- Grade：-
- Qualification：-
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Overview
The PN4392 PBFREE is an N-channel Junction Field-Effect Transistor (JFET) manufactured by Central Semiconductor Corp. It features a maximum drain-source voltage of 40V and a gate-source breakdown voltage of 40V. The device operates with a drain current of 25mA at Vds=20V and exhibits a gate cutoff voltage of 2V at 1nA. Maximum power dissipation is rated at 350mW, with an input capacitance of 14pF at 20V. The component utilizes silicon technology and is housed in a surface-mount SOT-23 package.
Feature Summary
- N-channel JFET configuration for signal processing applications
- High input impedance characteristics suitable for low-noise circuits
- Surface-mount SOT-23 packaging for compact board integration
Applications
- Low-noise amplifier stages
- High-impedance switching circuits
- Analog signal modulation
Procurement Notes
Verify the specific ordering suffix to confirm lead-free plating status, as indicated by the PBFREE designation. Confirm that the requested quantity aligns with manufacturer standard packaging configurations. Ensure compatibility with RoHS3 compliance requirements for the intended deployment environment. Cross-reference datasheet electrical limits against circuit operating conditions prior to final procurement authorization.
Selection Notes
Select this component when an N-channel JFET with 40V voltage ratings is required. Consider the 350mW power dissipation limit for thermal management. Evaluate the 14pF input capacitance for high-frequency performance suitability. Verify that the SOT-23 package dimensions fit the target PCB layout constraints.
Part Context
Central Semiconductor specializes in discrete semiconductor devices, offering both standard and custom solutions. The PN4392 belongs to their JFET product line, designed for niche electronic applications requiring reliable analog performance. The company provides various packaging options and testing services to meet diverse industry standards.
Replacement Considerations
Consult official datasheets for pin-compatible alternatives within the same voltage and current specifications. Verify electrical parameter equivalence before substitution.
