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J175
P-CHANNEL JFET
Linear Systems replaces discontinued Siliconix J175
The J175 is a single P-Channel JFET switch
This p-channel analog switch is designed to provide low
on-resistance and fast switching. When used in
combination with the complimentary J/SST111 n-
channel family, the J175 simplifies series-shunt
switching applications
J. 175 Benefits:
FEATURES 
DIRECT REPLACEMENT FOR SILICONIX J175 
LOW ON RESISTANCE 
LOW GATE OPERATING CURRENT 
FAST SWITCHING 
ABSOLUTE MAXIMUM RATINGS  
@ 25°C (unless otherwise noted) 
rDS(on) ≤ 125Ω 
ID(off) = 10pA 
t(ON) 25ns 
ƒ Low Error Voltage
ƒ High-Speed Analog Circuit Performance
ƒ Negligible “Off-Error,” Excellent Accuracy
ƒ Good Frequency Response
ƒ Eliminates Additional Buffering
J175 Applications:
Maximum Temperatures 
Storage Temperature 
Operating Junction Temperature 
Maximum Power Dissipation 
Continuous Power Dissipation  
MAXIMUM CURRENT
55°C to +150°C 
55°C to +135°C 
350mW 
ƒ Analog Switches
ƒ Choppers
ƒ Sample-and-Hold
ƒ Normally “On” Switches
ƒ Current Limiters
Gate Current (Note 1) 
MAXIMUM VOLTAGES 
Gate to Drain Voltage 
Gate to Source Voltage 
 
 
IG = ‐50mA 
VGDS = 30V 
VGSS = 30V 
 
 
 
J175 ELECTRICAL CHARACTERISTICS @ 25°C (unless otherwise noted)
SYMBOL 
CHARACTERISTIC 
MIN  TYP. 
MAX 
UNITS 
CONDITIONS 
BVGSS 
Gate to Source Breakdown Voltage  30 
VGS(F) 
VGS(off) 
IDSS 
IGSS 
ClickIG 
Gate to Source Forward Voltage 
Gate to Source Cutoff Voltage 
Drain to Source Saturation Current 
Gate Reverse Current 
Gate Operating Current 
‐‐ 
3 
7 
‐‐ 
‐‐ 
ID(off) 
Drain Cutoff Current 
‐‐ 
‐‐  ‐‐ 
To0.7 
‐‐ 
‐‐ 
0.01 
0.01 
‐‐ 
6 
70 
1 
‐‐ 
0.01 
1 
  IG = ‐1µA,   VDS = 0V 
BuyV                     IG = ‐1mA,   VDS = 0V 
  VDS = ‐15V, ID = ‐10nA 
VDS = ‐15V, VGS = 0V 
  VGS = 20V,  VDS = 0V 
nA  VDG = ‐15V,  ID = ‐1mA 
  VDS = ‐15V, VGS = 0V 
rDS(on) 
Drain to Source On Resistance 
‐‐ 
‐‐ 
125 
Ω 
VGS = 0V,  VDS = ‐0.1V 
 
 
  
 
 
 
J175 SWITCHING CHARACTERISTICS @ 25°C (unless otherwise noted) 
SYMBOL 
CHARACTERISTIC 
  UNITS 
CONDITIONS 
td(on) 
tr 
td(off) 
Turn On Time 
Turn On Rise Time 
Turn Off Time 
10   
15   
10  ns 
tf 
Turn Off Fall Time 
20 
Note 1 ‐  Absolute maximum ratings are limiting values above which J175 serviceabil ity may be impaired.
VGS(L) = 0V 
 VGS(H) = 10V 
 
See Switching Circuit 
J175 SWITCHING CIRCUIT PARAMETERS                        T  O    - 9   2    ( B   o  t  t o  m     V   i e   w   )                                                                   SWITCHING CIRCUIT 
VDD  ‐6V 
VGG  12V 
RL  750Ω 
RG  220Ω 
ID(on) 
7mA 
  
Micros s Components  Europe
  
  
  
 
 
 
 
 
 
 
 
 
 
Available Packages:
J175 in TO-92
J175 in bare die.
Tel: +44 1603 788967
Email: chipcomponents@micross.com
Web: http://www.micross.com/distribution
Please contact Micross for full
package and die dimensions
Information furnished by Linear Integrated Systems and Micross Components is believed to be accurate and reliable. However, no responsibility is assumed
for its use; nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Linear Integrated Systems.
Micross Components Ltd, United Kingdom, Tel: +44 1603 788967, Fax: +44 1603788920, Email: chipcomponents@micross.com Web: www.micross.com/distribution.aspx