Part Number

Tungsten Probing Wire Shaft Diameter

Point Radius

Model7 and Model 7A :dc-500MHz,50 ohm

7-5

5 micron

<0.1 micron

7-10

10 micron

<0.1 micron

7-22

22micron

<1.0 micron

7-35

35micron

<2.0micron

7-60

60 micron

<3.0 micron

7-125

125micron

<5.0micron

7-175

175micron

<5.0 micron

Model 12C :dc-500 Mhz,1 Megohm/0.1pF

12C-1-5

5micron

<0.1 micron

12C-1-10

10micron

<0.1 micron

12C-1-22

22micron

<1.0 micron

12C-1-35

35micron

<2.0micron

12C-1-60

60micron

<3.0 micron

12C-1-125

125micron

<5.0micron

12C-2-5

5micron

<0.1 micron

12C-2-10

10micron

<0.1 micron

12C-2-22

22micron

<1.0 micron

12C-2-35

35micron

<2.0micron

12C-2-60

60micron

<3.0 micron

12C-2-125

125micron

<5.0micron

12C-4-5

5micron

<0.1 micron

12C-4-10

10micron

<0.1 micron

12C-4-22

22micron

<1.0 micron

12C-4-35

35micron

<2.0micron

12C-4-60

60micron

<3.0 micron

12C-4-125

125micron

<5.0micron

 Model 34A：dc-3.0GHz,10 Megohm/0.1pF

34A-4-5

5micron

<0.1 micron

34A-4-10

10micron

<0.1 micron

34A-4-22

22micron

<1.0 micron

34A-4-35

35micron

<2.0micron

34A-4-60

60micron

<3.0 micron

34A-4-125

125micron

<5.0micron

 Model 35：dc-26GHz，1.25Megohm/0.05pF

35-1-5

5micron

<0.1 micron

35-1-10

10micron

<0.1 micron

35-1-22

22micron

<1.0 micron

35-1-35

35micron

<2.0micron

Model 18C and Model 19C:DC-350 MHz

Model 18C

Input capacitance:0.02pF

Input leakage:10 femtoamps

Rise/fall time:1.2ns

Frequency response:dc to 350 MHz

Operating range:0 to +10V range

Linearity:0.2% 5Vrange /2.0% 10v range

Gain accuracy:±5%

Signal attenuation:10 to 1 or 20 to 1

Model 19C

Input capacitance:0.02pF

Input leakage:10 femtoamps

Rise/fall time:1.2ns

Frequency response:dc to 350 MHz

Operating range:-7 to +3V range

Linearity:0.2% ±3V range /2.0% -7 to +3V range

Gain accuracy:±5%

Signal attenuation:10 to 1 or 20 to 1

Model 28/29:DC-1GHz

Model 28

Input capacitance:0.04pF

Input leakage:10 femtoamps

Rise/fall time:350ps

Frequency response:dc to1 GHz

Operating range:0 to +9V range

Linearity:0.5% (0 TO +4V)range /2.0% (0 to +9V) range

Gain accuracy:±3%

Signal attenuation: 20 to 1(50ohm input)

Model 29

Input capacitance:0.04pF

Input leakage:10 femtoamps

Rise/fall time:350ps

Frequency response:dc to1 GHz

Operating range:-7 to +2V range

Linearity:0.5% (-2 TO +2V)range /2.0% (-7 to +2V) range

Gain accuracy:±3%

Signal attenuation: 20 to 1(50ohm input)