2N4856A/4857A/4858A
Vishay Siliconix
Document Number: 70243
S-04028—Rev. D, 04-Jun-01
www.vishay.com
7-1
N-Channel JFETs
C0080C0082C0079C0068C0085C0067C0084C0032C0083C0085C0077C0077C0065C0082C0089
Part
Number
V
GS(off)
(V)
V
(BR)GSS
Min (V)
I
DSS
Min
(mA)
r
DS(on)
Max
(C0087)
I
D(off)
Typ
(pA)
t
ON
Typ
(ns)
2N4856A –4 to –10 –40 50 25 5 4
2N4857A –2 to –6 –40 20 40 5 4
2N4858A –0.8 to –4 –40 8 60 5 4
C0070C0069C0065C0084C0085C0082C0069C0083 C0066C0069C0078C0069C0070C0073C0084C0083 C0065C0080C0080C0076C0073C0067C0065C0084C0073C0079C0078C0083
C0068 Low On-Resistance: 2N4856A
<25 C0087
C0068 Fast Switching—t
ON
: 4 ns
C0068 High Off-Isolation—I
D(off)
: 5 pA
C0068 Low Capacitance: 3 pF
C0068 Low Insertion Loss
C0068 Low Error Voltage
C0068 High-Speed Analog Circuit Performance
C0068 Negligible “Off-Error,” Excellent Accuracy
C0068 Good Frequency Response
C0068 Eliminates Additional Buffering
C0068 Analog Switches
C0068 Choppers
C0068 Sample-and-Hold
C0068 Normally “On” Switches
C0068 Current Limiters
C0068C0069C0083C0067C0082C0073C0080C0084C0073C0079C0078
The 2N4856A/4857A/4858A all-purpose JFET analog
switches offer low on-resistance, low capacitance, good
isolation, and fast switching.
Hermetically-sealed TO-206AA (TO-18) packaging allows full
military processing (see Military Information). For similar
products in TO-226AA (TO-92) and SOT-23 packages, see the
J/SST111 series data sheet. For similar duals, see the
2N5564/5565/5566 data sheet.
D
S
G and Case
TO-206AA
(TO-18)
Top View
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