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Product Detailed Parameters
- Description：JFET CHOPPER TRANSISTORS
- Series：-
- Mfr：onsemi
- Package：Bulk
- FET Type：N-Channel
- Voltage - Breakdown (V(BR)GSS)：35 V
- Drain to Source Voltage (Vdss)：-
- Current - Drain (Idss) @ Vds (Vgs=0)：20 mA @ 15 V
- Current Drain (Id) - Max：-
- Voltage - Cutoff (VGS off) @ Id：3 V @ 1 µA
- Input Capacitance (Ciss) (Max) @ Vds：-
- Resistance - RDS(On)：30 Ohms
- Power - Max：350 mW
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Through Hole
- Package / Case：TO-226-3, TO-92-3 Long Body
- Supplier Device Package：TO-92 (TO-226)
- Grade：-
- Qualification：-
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Overview
The onsemi J111RLRP is an N-channel depletion-mode Junction Field-Effect Transistor (JFET) designed for chopper applications. It is housed in a TO-92 package with three leads: Drain, Source, and Gate. The device supports a maximum drain-gate voltage of -35 Vdc and a gate-source voltage of -35 Vdc. Total device dissipation is rated at 350 mW at 25°C ambient temperature, derating by 2.8 mW/°C above this threshold. Operating junction temperature ranges from -65°C to +150°C. Electrical characteristics include a zero-gate-voltage drain current (IDSS) range of 2.0 mA to 20 mA and a static drain-source on resistance (rDS(on)) up to 30 Ω.
Feature Summary
- N-channel depletion mode operation suitable for chopper transistor circuits
- High breakdown voltage ratings for both drain-gate and gate-source terminals
- Low static drain-source on resistance for efficient signal switching
- Wide operating temperature range supporting extreme environmental conditions
Applications
- Chopper amplifier circuits
- Precision analog signal switching
- Low-level DC voltage modulation
Procurement Notes
Verify the ordering suffix RLRP corresponds to the specific tape and reel packaging configuration required for automated assembly processes. Confirm that the component meets all applicable RoHS compliance standards before integration into final assemblies. Ensure proper handling procedures are followed during storage and mounting to maintain device reliability.
Selection Notes
Select the J111RLRP when designing circuits requiring low on-resistance and high input impedance for N-channel chopper applications. Evaluate the IDSS range to ensure compatibility with the target circuit's biasing requirements. Consider the thermal derating characteristics if the application operates at elevated ambient temperatures exceeding 25°C.
Part Context
The J111RLRP belongs to the J111/J112 series of JFET chopper transistors manufactured by onsemi. This series is specifically engineered for precision analog applications where low offset voltage and low drift are critical. The part utilizes standard TO-92 leaded packaging, facilitating through-hole mounting in various electronic designs.
Replacement Considerations
Direct substitutes within the same family include the J111RLRA and J111RL1, which share identical electrical specifications but may differ in packaging format. Verify pinout compatibility and package dimensions when replacing components to ensure mechanical fit and correct electrical connection.
