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IF35113.R00

IFBF512-3

InterFET

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IFBF512, IFBF513 N-Channel JFET

Features

• InterFET N0026 Geometry

• Low Noise: 3 nV/√Hz Typical

• Low Ciss: 5.0pF Maximum

• Low Leakage: 10pA Typical

• RoHS Compliant

• SMT, TH, and Bare Die Package options.

Applications

• Low Noise High Gain

• Replacement for BF512 and BF513

• Mixers

• Oscillators

• VHF Amplifiers

Description

The -20V InterFET IFBF512 and IFBF513 are

targeted for low noise amplifier stages as well as

mixer and oscillator designs. Gate leakages are

typically less than 10pA at room temperatures.

The TO-72 package is hermetically sealed and

suitable for military applications.

Ordering Information Custom Part and Binning Options Available

Part Number

Description

Case

Packaging

IFBF512; IFBF513

Through-Hole

TO-72

Bulk

PNBF512; PNBF513

Through-Hole

TO-92

Bulk

SMPBF512; SMPBF513

Surface Mount

SOT23

Bulk

SMPBF512TR; SMPBF513TR

7“ Tape and Reel: Max 3,000 Pieces

13” Tape and Reel: Max 9,000 Pieces

SOT23

Minimum 1,000 Pieces

Tape and Reel

IFBF512COT; IFBF513COT

Chip Orientated Tray (COT Waffle Pack)

COT

400/Waffle Pack

IFBF512CFT; IFBF513CFT

Chip Face-up Tray (CFT Waffle Pack)

CFT

400/Waffle Pack

1

2

3

Source

Drain

Gate

SOT23 Top View

Product Summary

Parameters

IFBF512 Min

IFBF513 Min

Unit

BVGSS

Gate to Source Breakdown Voltage

-20

-20

V

IDSS

Drain to Source Saturation Current

6

10

mA

VGS(off)

Gate to Source Cutoff Voltage

-2.2 (typ)

-3.0 (typ)

V

GFS

Forward Transconductance

6

7

mS

TO-72 Bottom View

3

2

1

Gate

Source

Drain

4

Case

Source

Gate

Drain

TO-92 Bottom View

1

2

3

Note: The SOT23 package is pinned out differently than the BF51x

part to optimize thermal performance. Package and pinout

variations are available through InterFET custom ordering.