J201

J201 VISHAY

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Document Number: 70233 S-40393—Rev. G, 15-Mar-04 www.vishay.com N-Channel JFETs J201 SST201 J202 SST202 J204 SST204 PRODUCT SUMMARY Part Number VGS(off) (V) V(BR)GSS Min (V) gfs Min (mS) IDSS Min (mA) J/SST201 −0.3 to −1.5 −40 0.5 0.2 J/SST202 −0.8 to −4 −40 1 0.9 J/SST204 −0.3 to −2 −25 0.5 0.2 FEATURES BENEFITS APPLICATIONS /C0068Low Cutoff Voltage: J201 <1.5 V /C0068High Input Impedance /C0068Very Low Noise /C0068High Gain: AV = 80 @ 20 /C0109A /C0068Full Performance from Low Voltage Power Supply: Down to 1.5 V /C0068Low Signal Loss/System Error /C0068High System Sensitivity /C0068High Quality Low-Level Signal Amplification /C0068High-Gain, Low-Noise Amplifiers /C0068Low-Current, Low-Voltage Battery-Powered Amplifiers /C0068Infrared Detector Amplifiers /C0068Ultra High Input Impedance Pre-Amplifiers

DESCRIPTION

The J/SST201 series features low leakage, very low noise, and low cutoff voltage for use with low-level power supplies. The J/SST201 is excellent for battery powered equipment and low current amplifiers. The J series, TO-226 (TO-92) plastic package, provides low cost, while the SST series, TO-236 (SOT-23) package, provides surface-mount capability. Both the J and SST series are available in tape-and-reel for automated assembly (see Packaging Information). For similar products in TO-206AA (TO-18) packaging, see the 2N4338/4339/4340/4341 data sheet. For applications information see AN102 and AN106. TO-226AA (TO-92) Top View J201 J202 J204 D G S D S G TO-236 (SOT-23) Top View SST201 (P1)* SST202 (P2)* SST204 (P4)* *Marking Code for TO-236

www.vishay.com Document Number: 70233 S-40393—Rev. G, 15-Mar-04 ABSOLUTE MAXIMUM RATINGS Notes a. Derate 2.8 mW/ /C0095C above 25/C0095C SPECIFICATIONS (TA = 25/C0095C UNLESS OTHERWISE NOTED) Limits J/SST201 J/SST202 J/SST204c Parameter Symbol Test Conditions Typa Min Max Min Max Min Max Unit Static Gate-Source Breakdown Voltage V(BR)GSS IG = −1 /C0109A , VDS = 0 V −40 −40 −25 V Gate-Source Cutoff Voltage VGS(off) VDS = 15 V, ID = 10 nA −0.3 −1.5 −0.8 −4 −0.3 −2 V Saturation Drain Currentb IDSS VDS = 15 V, VGS = 0 V 0.2 1 0.9 4.5 0.2 3 mA Gate Reverse Current IGSS VGS = −20 V, VDS = 0 V −2 −100 −100 −100 pA Gate Reverse Current IGSS TA = 125/C0095C −1 nA Gate Operating Current IG VDG = 10 V, ID = 0.1 mA −2 pADrain Cutoff Current ID(off) VDS = 15 V, VGS = −5 V 2 pA Gate-Source Forward Voltage VGS(F) IG = 1 mA , VDS = 0 V 0.7 V Dynamic Common-Source Forward Transconductance gfs VDS = 15 V, VGS = 0 V f = 1 kHz 0.5 1 0.5 mS Common-Source Input Capacitance Ciss VDS = 15 V, VGS = 0 V 4.5 pFCommon-Source Reverse Transfer Capacitance Crss VDS = 15 V, VGS = 0 V f = 1 MHz 1.3 pF Equivalent Input Noise Voltage en VDS = 10 V, VGS = 0 V f = 1 kHz 6 nV⁄ √Hz Notes a. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing. NPA, NH b. Pulse test: PW /C0118300 /C0109s duty cycle /C01183%. c. See 2N/SST5484 Series for J204 and SST204 typical characteristic curves.

Document Number: 70233 S-40393—Rev. G, 15-Mar-04 www.vishay.com TYPICAL CHARACTERISTICS (TA = 25/C0095C UNLESS OTHERWISE NOTED) Gate Leakage Current 01 2 1 6 842 0 1.6 1.2 0.8 0.4 Output Characteristics VDS − Drain-Source Voltage (V) VGS = 0 V −0.6 V −0.9 V −0.3 V VGS(off) = −1.5 V −1.2 V On-Resistance and Output Conductance vs. Gate-Source Cutoff Voltage Drain Current and Transconductance vs. Gate-Source Cutoff Voltage 0.1 pA 1 pA 10 pA 100 pA 1 nA 10 nA 01 5 3 0 VDG − Drain-Gate Voltage (V) IGSS @ 125/C0095C IGSS @ 25/C0095C TA = 125/C0095C TA = 25/C0095C ID = 100 /C0109A ID = 500 /C0109A IG @ ID = 500 /C0109A ID = 100 /C0109A VGS(off) − Gate-Source Cutoff Voltage (V) IDSS @ VDS = 10 V, VGS = 0 V gfs @ VDS = 10 V, VGS = 0 V f = 1 kHz gfs IDSS 1500 1200 900 600 300 0.01 0.1 1 1.6 0.8 0.4 400 01 2 1 6 42 0 360 160 Output Characteristics Common-Source Forward Transconductance vs. Drain Current ID − Drain Current (mA)VGS(off) − Gate-Source Cutoff Voltage (V) VDS − Drain-Source Voltage (V) TA = −55/C0095C 125/C0095C −0.2 V −0.4 V −0.1 V −0.3 V rDS @ ID = 100 /C0109A, VGS = 0 V gos @ VDS = 10 V, VGS = 0 V, f = 1 kHz rDS gos 6 1.2 240 VGS(off) = −0.7 V 25/C0095C −0.5 V VDS = 10 V f = 1 kHz VGS(off) = −1.5 V VGS = 0 V gos − Output Conductance (/C0109S) IDSS − Saturation Drain Current (mA)rDS(on) − Drain-Source On-Resistance ( Ω ) gfs − Forward Transconductance (mS)ID − Drain Current (mA) ID − Drain Current (/C0109A) IG − Gate Leakage (A) gfs − Forward Transconductance (mS)

www.vishay.com Document Number: 70233 S-40393—Rev. G, 15-Mar-04 TYPICAL CHARACTERISTICS (TA = 25/C0095C UNLESS OTHERWISE NOTED) 1.6 1.2 0.8 0.4 Transfer Characteristics VGS − Gate-Source Voltage (V) TA = −55/C0095C 125/C0095C 25/C0095C VDS = 10 VVGS(off) = −1.5 V 500 400 300 200 100 Transfer Characteristics VGS − Gate-Source Voltage (V) TA = −55/C0095C 125/C0095C 25/C0095C VDS = 10 VVGS(off) = −0.7 V 0.1 10.01 3.2 2.4 1.6 0.8 0.01 0.1 1 200 160 120 2000 1600 1200 800 400 ID − Drain Current (mA) Circuit Voltage Gain vs. Drain Current Transconductance vs. Gate-Source Voltage TA = −55/C0095C 125/C0095C VGS − Gate-Source Voltage (V) On-Resistance vs. Drain Current ID − Drain Current (mA) 25/C0095C VGS(off) = −0.7 V −1.5 V VGS(off) = −0.7 V −1.5 V 1.5 1.2 0.9 0.6 0.3 Transconductance vs. Gate-Source Voltage TA = −55/C0095C 125/C0095C VGS − Gate-Source Voltage (V) 25/C0095C VDS = 10 V f = 1 kHz VGS(off) = −0.7 V VDS = 10 V f = 1 kHz VGS(off) = −1.5 V AV /C0043 gfs RL 1 /C0041RLgos Assume VDD = 15 V, VDS = 5 V RL /C0043 10 V ID gfs − Forward Transconductance (mS) gfs − Forward Transconductance (mS)rDS(on) − Drain-Source On-Resistance ( Ω ) ID − Drain Current (mA) ID − Drain Current (/C0109A)AV − Voltage Gain

Document Number: 70233 S-40393—Rev. G, 15-Mar-04 www.vishay.com TYPICAL CHARACTERISTICS (TA = 25/C0095C UNLESS OTHERWISE NOTED) Common-Source Input Capacitance vs. Gate-Source Voltage Common-Source Reverse Feedback Capacitance vs. Gate-Source Voltage VGS − Gate-Source Voltage (V) VDS = 0 V 10 V f = 1 MHz VGS − Gate-Source Voltage (V) VDS = 0 V 10 V f = 1 MHz 10 100 1 k 100 k 10 k Output Conductance vs. Drain Current ID − Drain Current (mA) TA = −55/C0095C 125/C0095C Equivalent Input Noise Voltage vs. Frequency f − Frequency (Hz) VDS = 10 V ID @ 100 /C0109A VGS = 0 V 2.4 1.8 0.8 0.4 0.01 0.1 1 25/C0095C Output Characteristics 300 0 0.5 240 180 120 VDS − Drain-Source Voltage (V) 0.1 0.2 0.3 0.4 Output Characteristics 1.0 0 1.0 0.8 0.6 0.4 0.2 V DS − Drain-Source Voltage (V) 0.2 0.4 0.6 0.8 VGS(off) = −0.7 V VGS = 0 V −0.1 −0.2 −0.3 −0.4 −0.5 VGS(off) = −1.5 V VGS = 0 V −0.3 −0.6 −0.9 −1.2 VDS = 10 V f = 1 kHz VGS(off) = −1.5 V en − Noise Voltage nV / HzID − Drain Current (mA) ID − Drain Current (µA) gos − Output Conductance (µS) Ciss − Input Capacitance (pF) Crss − Reverse Feedback Capacitance (pF)