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Product Detailed Parameters
- Description：JFET N-CH 40V TO92-3
- Series：-
- Mfr：Central Semiconductor Corp
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：40 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：50 mA @ 20 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：4 V @ 1 nA
- Input Capacitance (Ciss) (Max) @ Vds：14pF @ 20V
- Resistance - RDS(On)：30 Ohms
- Power - Max：625 mW
- Operating Temperature：-65°C ~ 150°C (TJ)
- 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 PN4391 TRE is an N-channel silicon JFET from Central Semiconductor, packaged in TO-92 with a reel format. It features a maximum gate-drain voltage of 40 V and gate-source voltage of 40 V. The device supports a power dissipation of 625 mW and operates within a junction temperature range of -65 to +150 °C. Electrical characteristics include an IDSS range of 50 to 150 mA at VDS=20V, a VGS(OFF) range of 4.0 to 10 V, and an on-resistance (rDS(ON)) of up to 30 Ω at ID=1.0mA.
Feature Summary
- Designed for analog switching and chopper applications
- Utilizes N-channel silicon technology
- Provides low leakage current specifications
Applications
- Analog switching circuits
- Chopper amplifier designs
Procurement Notes
Verify the specific ordering suffix required for plating configuration when placing orders. The manufacturer specifies that adding the suffix TIN/LEAD requests tin/lead plated devices, while PBFREE indicates lead-free plating. Confirm the reel packaging quantity matches production requirements before finalizing procurement documentation.
Selection Notes
Select this component based on its specified IDSS range of 50 to 150 mA and VGS(OFF) limits between 4.0 and 10 V. Ensure the circuit design accommodates the 625 mW power dissipation limit and the operating temperature range extending to +150 °C. Verify compatibility with the TO-92 through-hole mounting style.
Part Context
This part belongs to the PN4391 series of N-channel silicon JFETs manufactured by Central Semiconductor Corp. The series includes variants such as PN4392 and PN4393, which share similar structural characteristics but differ in specific electrical thresholds like pinch-off voltage and drain current ranges.
Replacement Considerations
Cross-reference with PN4392 or PN4393 if different VGS(OFF) or IDSS parameters are required. Verify pinout compatibility, as all series members utilize the same TO-92 lead configuration with Drain, Source, and Gate assignments.
FAQ
What is the maximum power dissipation rating?
The maximum power dissipation (PD) is rated at 625 mW at an ambient temperature of 25°C.
How is the lead configuration defined for the TO-92 package?
Lead 1 is the Drain, Lead 2 is the Source, and Lead 3 is the Gate.
What is the typical turn-on time specification?
The turn-on time (ton) is typically 15 ns when tested with an ID(ON) of 12 mA.
