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2N4856 Dataheets PDF



Part Number 2N4856
Manufacturers InterFET
Logo InterFET
Description N-Channel JFET
Datasheet 2N4856 Datasheet2N4856 Datasheet (PDF)

InterFET Product Folder Technical Support Order Now 2N4856-7-8A 2N4856/A, 2N4857/A, 2N4858/A N-Channel JFET Features • InterFET N0132S Geometry • Low Noise: 1.2 nV/√Hz Typical • Fast Switching • RoHS Compliant • SMT, TH, and Bare Die Package options. Applications • Choppers • Commutators • Analog Switches Description The -40V InterFET 2N4856/A, 2N4857/A, and 2N4858/A JFET’s are targeted for very low noise switching applications for mid to high frequency designs. Gate leakages are typically.

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InterFET Product Folder Technical Support Order Now 2N4856-7-8A 2N4856/A, 2N4857/A, 2N4858/A N-Channel JFET Features • InterFET N0132S Geometry • Low Noise: 1.2 nV/√Hz Typical • Fast Switching • RoHS Compliant • SMT, TH, and Bare Die Package options. Applications • Choppers • Commutators • Analog Switches Description The -40V InterFET 2N4856/A, 2N4857/A, and 2N4858/A JFET’s are targeted for very low noise switching applications for mid to high frequency designs. Gate leakages are typically 50pA at room temperatures. The TO-18 package is hermetically sealed and suitable for military applications. Gate/Case Drain 2 Source TO-18 Bottom View 3 1 Source 1 Drain 2 SOT23 Top View 3 Gate Gate 3 Drain 2 Source 1 TO-92 Bottom View Product Summary Parameters BVGSS Gate to Source Breakdown Voltage IDSS Drain to Source Saturation Current VGS(off) Gate to Source Cutoff Voltage 2N4856/A Min 2N4857/A Min 2N4858/A Min Unit -40 -40 -40 V 50 20 8 mA -4 -2 -0.8 V Ordering Information Custom Part and Binning Options Available Part Number Description 2N4856; 2N4857; 2N4858 2N4856A; 2N4857A; 2N4858A Through-Hole PN4856; PN4857; PN4858 PN4856A; PN4857A; PN4858A Through-Hole SMP4856; SMP4857; SMP4858 SMP4856A; SMP4857A; SMP4858A Surface Mount SMP4856TR; SMP4857TR; SMP4858TR 7“ Tape and Reel: Max 3,000 Pieces SMP4856ATR; SMP4857ATR; SMP4858ATR 13” Tape and Reel: Max 9,000 Pieces 2N4856COT; 2N4857COT; 2N4858COT Chip Orientated Tray 2N4856ACOT; 2N4857ACOT; 2N4858ACOT (COT Waffle Pack) 2N4856CFT; 2N4857CFT; 2N4858CFT Chip Face-up Tray 2N4856ACFT; 2N4857ACFT; 2N4858ACFT (CFT Waffle Pack) Case TO-18 TO-92 SOT23 SOT23 COT CFT Packaging Bulk Bulk Bulk Minimum 1,000 Pieces Tape and Reel 400/Waffle Pack 400/Waffle Pack Disclaimer: It is the Buyers responsibility for designing, validating and testing the end application under all field use cases and extreme use conditions. Guaranteeing the application meets required standards, regulatory compliance, and all safety and security requirements is the responsibility of the Buyer. These resources are subject to change without notice. IF35061.R00 InterFET Product Folder Technical Support Order Now 2N4856-7-8A Electrical Characteristics Maximum Ratings (@ TA = 25°C, Unless otherwise specified) Parameters VRGS Reverse Gate Source and Gate Drain Voltage IFG Continuous Forward Gate Current PD Continuous Device Power Dissipation P Power Derating TJ Operating Junction Temperature TSTG Storage Temperature Value -40 50 1800 10 -55 to 125 -65 to 150 Unit V mA mW mW/°C °C °C Static Characteristics (@ TA = 25°C, Unless otherwise specified, Highlighted values = A variant) 2N4856/A 2N4857/A 2N4858/A Parameters Conditions Min Max Min Max Min Max Unit V(BR)GSS Gate to Source Breakdown Voltage IG = -1μA,VDS = 0V -40 -40 -40 V IGSS Gate to Source Reverse Current VGS = -20V, VDS = 0V, TA = 25°C VGS = -20V, VDS = 0V, TA = 150°C -250 -500 -200 -500 -200 pA -500 nA VGS(OFF) Gate to Source Cutoff Voltage VDS = 15V, ID = 0.5nA -4 -10 -2 -6 -0.8 -4 V IDSS Drain to Source Saturation Current VDS = 15V, VGS = 0V (Pulsed) 50 20 100 8 80 mA ID(OFF) Drain Cutoff Current VDS = 15V, VGS = -10V, TA = 25°C VDS = 15V, VGS = -10V, TA = 150°C 250 500 250 500 250 pA 500 nA VDS(ON) Drain to Source ON Voltage VGS = 0V, ID = ( ) 0.75 0.5 (20) (10) 0.5 V (5) mA Dynamic Characteristics (@ TA = 25°C, Unless otherwise specified, Highlighted values = A variant) 2N4856/A 2N4857/A 2N4858/A Parameters Conditions Min Max Min Max Min Max RDS(ON) Drain to Source ON Resistance VGS = 0V, ID = 0A, f = 1kHz 25 40 60 Ciss Input Capacitance VDS = 0V, VGS = -10V, f = 1MHz 18 18 18 10 10 10 Crss Reverse Transfer Capacitance VDS = 0V, VGS = -10V, f = 1MHz 8 8 8 4 3.5 3.5 6 6 10 td(on) Turn-On Delay Time VDD = 10V, VGS(ON) = 0V ID(ON) = ( ), VGS(OFF) = [ ] 5 6 8 (20) (10) (5) [-10] [-6] [-4] 3 4 10 tr Rise Time VDD = 10V, VGS(ON) = 0V ID(ON) = ( ), VGS(OFF) = [ ] 3 4 8 (20) (10) (5) [-10] [-6] [-4] 25 50 100 td(off) Turn-Off Delay Time VDD = 10V, VGS(ON) = 0V ID(ON) = ( ), VGS(OFF) = [ ] 25 40 80 (20) (10) (5) [-10] [-6] [-4] Unit Ω pF pF ns (mA) [V] ns (mA) [V] ns (mA) [V] 2N4856-7-8A Document Number: IF35061.R00 2 of 5 www.InterFET.com InterFET Corporation December, 2018 InterFET Product Folder Technical Support Order Now SOT23 (TO-236AB) Mechanical and Layout Data Package Outline Data 2N4856-7-8A Suggested Pad Layout 1. All linear dimensions are in millimeters. 2. Package weight approximately 0.12 grams 3. Molded plastic case UL 94V-0 rated 4. For Tape and Reel specifications refer to InterFET CTC-021 Tape and Reel Specification, Document number: IF39002 5. Bulk product is shipped in standard ESD shipping material 6. Refer to JEDEC standards for additional information. 2N4856-7-8A Document Number: IF35061.R00 1. All linear dimensions are in .


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