2N4856 | 2N4857 | 2N4858 N-CHANNEL JFETS - 1 KEY FEATURES JAN/JANTX/JANTXV STANDARD PRODUCTS QUALIFIED PER MIL-PRF-19500/385 LOW ON RESISTANCE FAST SWITCHING HIGH OFF ISOLATION S LEVEL EQUIVALENT SCREENING OPTIONS RADIATION TOLERANT SECOND SOURCE FOR VISHAY & SILICONIX Part Number Package 19500/ Breakdown Voltage Current RDS(on) 2N4856 TO-18 385 40V 175mA 25 2N4857 TO-18 385 40V 100mA 40 2N4858 TO-18 385 40V 80mA 60 ABSOLUTE MAXIMUM RATINGS Gate-Source Voltage -40V Storage Temperature -65 to 200C Gate Current 50mA Operating Junction Temperature -65 to 200C Lead Temperature 300C (1/16 from case, 10 sec) Power Dissipation 1800mW Derating 10.3mW/C to TC 25C ORDERING GUIDE JAN2N4856 JANTX2N4856 JANTXV2N4856 JAN2N4857 JANTX2N4857 JANTXV2N4857 JAN2N4858 JANTX2N4858 JANTXV2N4858 PACKAGE OUTLINE & PIN CONNECTIONS CD G and Case P Q 3 L1 LU LL L2 1 S LD 2 HD D 1 2 CL TW 3 r TL CALL: +1 561-848-4311 Ltr CH www.solitrondevices.com SEATING PLATE CD CH HD LC LD LL LU L1 L2 P Q TL TW r Inches Dimensions Min. Max. 0.178 0.195 0.170 0.210 0.209 0.230 0.100 TP 0.016 0.021 0.500 0.750 0.016 0.019 0.050 0.250 0.100 0.030 0.028 0.036 mm Min. Max. 4.52 4.95 4.32 5.33 5.31 5.84 2.54 TP 0.41 2.70 0.41 6.35 2.54 0.048 0.71 0.046 0.91 0.010 45 TP 0.53 19.05 0.48 1.27 0.76 1.22 1.17 0.25 LC EMAIL: sales@solitrondevices.com 2N4856 | 2N4857 | 2N4858 N-CHANNEL JFETS - 2 ELECTRICAL SPECIFICATIONS Typical @ 25C unless otherwise noted Gate-Source Breakdown Voltage VDS =0Vdc, IG = 1.0Adc Gate-Source "Off" State Voltage VDS = 15Vdc, ID = 0.5nAdc 2N4856 2N4857 2N4858 Symbol Min. V(BR)GSS -40 Unit Vdc -10 -6 -4 Vdc Vdc Vdc -0.25 -0.25 nA nA 0.25 175 100 80 nA mA mA mA 25 40 60 VDS(on) 0.75 0.5 0.5 Vdc Vdc Vdc Small Signal, Common Source Reverse Transfer Capacitance VGS = -10Vdc VDS, VD = 0Vdc, f = 1.0MHz C1 = 0.1F, L1 =L2 500H Crss 8 pF Small Signal, Common Source Short-Circuit Input Capacitance VGS = -10Vdc VDS, VD = 0Vdc, f = 1.0MHz C1 = 0.1F, C2 = 20.1m FL1 = L2 500H Ciss 8 pF 2N4856 2N4857 2N4858 tD(on) 6 6 10 nS nS nS 2N4856 2N4857 2N4858 tr 3 4 10 nS nS nS 2N4856 2N4857 2N4858 td(off) 25 50 100 nS nS nS Gate Reverse Current VDS = 0Vdc, VGS = -20Vdc VDS = 0Vdc, VGS = -15Vdc Drain Current VDS = 15Vdc, VGS = -10Vdc VDS = 15Vdc, VGS = 0Vdc Static Drain - Source "On" State Resistance VGS = 0Vdc, ID = 1mAdc Drain Source "On" State Voltage VGS = 0Vdc, ID = 20mAdc VGS = 0Vdc, ID = 10mAdc VGS = 0Vdc, ID = 5mAdc Turn On Delay Time Rise Time Turn Off Delay Time VGS(on) -4 -2 -0.8 Max. IGSS 2N4856 2N4857 2N4858 2N4856 2N4857 2N4858 2N4856 2N4857 2N4858 ID(off) 50 20 8 RDS(on) (c) 2019 Solitron Devices, Inc. This document is believed to be correct at the time of publication and Solitron Devices accepts no responsibility for consequences from printing errors or inaccuracies. All specifications are subject to change without notice. Solitron Devices, Inc. * 3301 Electronics Way, West Palm Beach, Florida 33407, USA * +1 561-848-4311 * sales@solitrondevices.com 2n4856_8-ds-revC-0319.indd Parameter