# JFET Transistor, -25 V, 15 mA, -1.5 V, SOT-23, 3 Pin, 150 °C

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![Product image](https://novapart.co/image/farnell:3128657/)

**URL**: https://novapart.co/products/BF861B,235/jfet-transistor-25-v-15-ma-sot-23-3-pin-150-c
**SKU**: BF861B,235
**Manufacturer**: NXP
**Category**: Semiconductors - Discretes || FETs || JFETs
**Price**: €0.2510
**Stock**: 10+

## Description

The NXP BF861B,235 is an N-channel junction field-effect transistor (JFET) engineered for high-gain, low-noise amplification and signal processing in analog circuit designs. Housed in a compact, surface-mount SOT-23 package with 3 pins, this semiconductor discrete is designed for high-density PCB layouts requiring robust thermal performance up to a maximum operating temperature of 150 °C. The device features a gate-source breakdown voltage maximum of -25 V and a gate-source cutoff voltage maximum of -1.5 V, ensuring precise threshold control for small-signal operations. With a zero gate voltage drain current ($I_{DSS}$) ranging from a minimum of 6 mA to a maximum of 15 mA, the BF861B,235 delivers predictable transconductance and stable operating points.

This N-channel JFET is optimized for deployment in precision sensor signal conditioning, audio preamplifiers, high-impedance input stages, and high-frequency filtering topologies. Its low gate-source cutoff voltage allows for effective depletion-mode operation, making it well-suited for current regulators, analog switches, and impedance-matching buffers in instrumentation and industrial automation systems. The surface-mount SOT-23 packaging facilitates automated pick-and-place assembly while maintaining low parasitic inductance and capacitance, ensuring reliable high-frequency signal integrity across the specified thermal operating range.

## Specifications

| Parameter | Value |
|---|---|
| No. Of Pins | 3 Pin |
| Channel Type | N Channel |
| Transistor Type | JFET |
| Transistor Mounting | Surface Mount |
| Transistor Case Style | SOT-23 |
| Operating Temperature Max | 150°C |
| Gate Source Cutoff Voltage Max | -1.5V |
| Gate Source Breakdown Voltage Max | -25V |
| Zero Gate Voltage Drain Current Max | 15mA |
| Zero Gate Voltage Drain Current Idss Min | 6mA |

## Links

- [View this product on Novapart](https://novapart.co/products/BF861B,235/jfet-transistor-25-v-15-ma-sot-23-3-pin-150-c)
- [Request a quote for this part](https://novapart.co/quote/)
- [Supplier page](https://es.farnell.com/en-ES/nxp/bf861b-235/jfet-n-ch-25v-sot-23-3/dp/3128657)
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