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Product Detailed Parameters
- Description：IC VREF SHUNT ADJ 0.8% SOT23-5
- Series：-
- Mfr：Nisshinbo Micro Devices Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Type：Adjustable
- Voltage - Output (Min/Fixed)：2.5V
- Voltage - Output (Max)：36 V
- Current - Output：100 mA
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：SC-74A, SOT-753
- Supplier Device Package：SOT-23-5 (MTP5)
- Grade：-
- Qualification：-
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Overview
The NJM17431F25A-TE1 is an adjustable precision shunt regulator manufactured by Nisshinbo Micro Devices. It operates within a voltage range from VREF to 36V and utilizes bipolar technology in an SOT-23-5 package. The device features a reference voltage of 2.5V with ±0.8% accuracy. Recommended operating conditions specify a cathode current between 0.5mA and 100mA. Absolute maximum ratings include a continuous cathode voltage of +37V and a junction temperature up to +150°C. The component supports an operating temperature range from -40°C to +125°C.
Feature Summary
- Adjustable output voltage settable between the reference voltage and 36V using two external resistors
- High precision reference voltage with ±0.8% tolerance for stable regulation
- Wide safety operating boundary area allowing connection of large capacitance without oscillation
Applications
- Industrial equipment power management
- Home electrical appliance control circuits
- Replacement for Zener diodes in voltage regulation tasks
Procurement Notes
Verify the specific suffix A indicates the 2.5V reference version distinct from the 2.495V variant. Confirm the TE1 taping form matches the required reel quantity of 3,000 pieces per reel. Ensure the SOT-23-5 package dimensions align with the PCB footprint design. Check RoHS and halogen-free compliance status against project requirements before finalizing procurement orders.
Selection Notes
Select this component when a precise shunt regulator is needed with high accuracy and robust stability under capacitive loads. The wide operating voltage range allows flexibility in circuit design above the reference threshold. Consider the thermal resistance characteristics for heat dissipation planning in enclosed environments. Verify that the required cathode current falls within the recommended 0.5mA to 100mA operational window for optimal performance.
Part Context
This part belongs to the NJM17431 family of adjustable precision shunt regulators. The F25A designation specifically denotes the SOT-23-5 package configuration with a 2.5V nominal reference voltage. The family includes variants with different reference voltages and packages, such as the U-series in SOT-89-3. All members share the core bipolar technology and adjustable regulation capabilities defined in the datasheet.
Replacement Considerations
Direct substitutes include other parts within the NJM17431 series with matching pinouts and electrical characteristics. Verify compatibility regarding reference voltage tolerance and package dimensions when considering alternatives. Cross-reference absolute maximum ratings to ensure the replacement can handle the system's peak voltages and currents safely.
FAQ
What determines the output voltage of the NJM17431F25A-TE1?
The output voltage is determined by the ratio of two external resistors connected to the reference and cathode pins, setting the value anywhere between the reference voltage (2.5V) and 36V.
How does the NJM17431F25A-TE1 handle large output capacitance?
It features a wide safety operating boundary area designed to prevent oscillation even when connected to large capacitance values, ensuring stable operation.
