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BF256C BF256C is an N-Channel JFET designed for VHF/UHF RF amplifiers. It features a maximum drain-gate voltage of 30V, zero-gate voltage drain current of 11-18mA, and is housed in a TO-92 through-hole package.
Mfr Part #:

BF256C

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
BF256C is an N-Channel JFET designed for VHF/UHF RF amplifiers. It features a maximum drain-gate voltage of 30V, zero-gate voltage drain current of 11-18mA, and is housed in a TO-92 through-hole package.
✓ Total Stock: 3,750 pcs

BF256C Available from 1 distributor

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✓ Non-Authorised
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Spartce Electronics. ✓
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3,750 pcs
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3750 pcs On Request 1 On Request On Request On Request On Request On Request
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BF256C Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
AEC Qualified
Automotive Grade
Configuration
Current Rating (Amps)
Halogen Free
Industrial Grade
Lead Spacing
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Medical Grade
Military Grade
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SVHC Present
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BF256C Description

Short technical summary and product information.

The BF256C is an N-Channel JFET from On Semiconductor, originally designed by Fairchild Semiconductor. It is intended for VHF/UHF RF amplifier applications. Key electrical specifications include a maximum drain-gate voltage of 30V, a maximum gate-source voltage of -30V, and a zero-gate voltage drain current (IDSS) ranging from 11mA to 18mA. The typical forward transconductance is 4.5 mS, making it suitable for low-noise amplification stages.

 

The device is packaged in a TO-92 through-hole package (TO-226-3, TO-92-3) with a lead spacing of 1.27mm. It can dissipate up to 350mW at 25°C ambient temperature, with derating above 25°C. The operating and storage temperature range is -55°C to 150°C.

 

This JFET is sourced from process 50 and is commonly used in consumer and professional RF equipment. The part is RoHS3 compliant (unverified) and has an MSL of 1 (unlimited).

BF256C Quick Information

Product Type: RF JFET
Series: BF256
Canonical Name: BF256C N-Channel JFET RF Amplifier
Subcategory: RF JFETs

BF256C Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
REACH Status: REACH Unaffected
Lead Free: No

BF256C Features

  • N-Channel JFET for RF amplification.
  • Maximum drain-gate voltage of 30V.
  • Zero-gate voltage drain current 11-18mA.
  • Through-hole TO-92 package.
  • Operating temperature range -55°C to 150°C.

BF256C Applications

  • Ideal for VHF/UHF RF amplifiers.
  • Used in RF signal amplification stages.
  • Suitable for low-noise RF front ends.
  • Common in consumer RF applications.

BF256C FAQs

7 frequently asked questions generated from this part’s specifications.
What is the maximum drain-gate voltage of BF256C?

30V.

What is the gate-source voltage range?

Maximum -30V; cutoff voltage -0.5V to -8V.

What is the zero-gate voltage drain current (IDSS) range?

11mA to 18mA.

What is the typical forward transconductance?

4.5 mS.

What is the operating temperature range?

-55°C to 150°C.

What package is BF256C available in?

TO-92 (TO-226-3, TO-92-3) through-hole package.

Is BF256C RoHS compliant?

RoHS3 Compliant (unverified).

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