2N4857A Datasheet and Replacement

2N4856A/4857A/4858AVishay SiliconixN-Channel JFETsPRODUCT SUMMARYPart VGS(off) V(BR)GSS IDSS Min rDS(on) Max ID(off) Typ tON TypNumber (V) Min (V) (mA) (W) (pA) (ns)2N4856A 4 to 10 40 50 25 5 42N4857A 2 to 6 40 20 40 5 42N4858A 0.8 to 4 40 8 60 5 4FEATURES BENEFITS APPLICATIONSD Low On-Resistance: 2N4856A D Low Error Voltage D Analog Switches

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TECHNICAL DATA SHEET 6 Lake Street, Lawrence, MA 01841 1-800-446-1158 / (978) 620-2600 / Fax: (978) 689-0803 Website: http: //www.microsemi.com N-CHANNEL J-FET Equivalent To MIL-PRF-19500/385 DEVICES LEVELS MQ = JAN Equivalent 2N4856 2N4858 2N4860 MX = JANTX Equivalent 2N4857 2N4859 2N4861MV = JANTXV EquivalentABSOLUTE MAXIMUM RATINGS (TC = +25C unless otherwise noted

Product Bulletin JANTX, JANTXV, 2N4854USeptember 1996Surface Mount NPN/PNP Complementary TransistorsType JANTX, JANTXV, 2N4854U.058 (1.47)Features Absolute Maximum Ratings (TA = 25o C unless otherwise noted)NPN to PNP Isolation Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 VDCCeramic surface mount packageCollector-Base Voltage . . . . . .

TECHNICAL DATANPN/PNP SILICON COMPLEMENTARY SMALL SIGNAL DUAL TRANSISTOR Qualified per MIL-PRF-19500/421 Devices Qualified LevelJAN 2N4854 2N3838 JANTX 2N4854U JANTXV MAXIMUM RATINGS Ratings Sym 2N3838(2) 2N4854, U Unit Collector-Emitter Voltage 40 40 VdcVCEO Collector-Base Voltage 60 60 VdcVCBO Emitter-Base Voltage 5.0 5.0 Vdc TO-78* VEBO 2N4854 Collector

TECHNICAL DATANPN/PNP SILICON COMPLEMENTARY SMALL SIGNAL DUAL TRANSISTOR Qualified per MIL-PRF-19500/421 Devices Qualified LevelJAN 2N4854 2N3838 JANTX 2N4854U JANTXV MAXIMUM RATINGS Ratings Sym 2N3838(2) 2N4854, U Unit Collector-Emitter Voltage 40 40 VdcVCEO Collector-Base Voltage 60 60 VdcVCBO Emitter-Base Voltage 5.0 5.0 Vdc TO-78* VEBO 2N4854 Collector