72G Gold Plated Tungsten Probe

10/box 20/box 5/box 25/box
Our quantity discounts:
Quantity 50+ 250+ 500+
Price $16.63 $15.75 $14.88

Minimum quantity for "72G Gold Plated Tungsten Probe" is 50.

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The 72G Series probes are constructed from solid 20 mil tungsten wire, gold plated with an electrochemically etched taper.

Reduced contact resistance.
Excellent probe for gold contacts.

Gold plating offers a reduced oxidation surface over tungsten.
Preferred for probing onto gold contacts.
May be ordered with custom lengths and shapes.

Please specify the radius, taper and if solder ability is required.
Custom shapes are available for additional charge.

All prices are EACH PROBE, NOT PER BOX
Sold in boxes of  10, 20, or 25.

Made to order.

See also 72P Series for low contact resistance probing

What size probe should I use?

The typical recommendation is to use a probe diameter that is half to two thirds the size of the contact. Remember, APT's probes are sold by the radius, so you must double the number to determine the diameter. It is normally found that a radius larger than 20 microns does not yield lower contact resistance. An example is: The contact pad is 10 microns, using the recommendation, you would then use a probe with a radius of 2.5 - 3.5 microns. (5- 7 micron diameter)

Why are some probes etch and others ground?

There are two common ways to manufacture the probe's taper and radius: 1.Electrochemically etch 2.Mechanically grind Why is one method chosen over another? 1.The base material is the driving reason: a. Tungsten, Tungsten rhenium are typically electrochemically etched b. Paliney® 7, beryllium copper, tungsten carbide, steel are generally mechanically ground materials This is the short answer, for more details on the subject please refer to the link in the Technical Resources Area under Probe Question's.

Dimensions of the 72G Series is a type I/II Gold plated, solid tungsten probe with electrochemically etched taper and radius:

Straight version:

72T probe - straight


72G with 45 degree bend:

72P Paniney 7 probe with 45 degree bend

72G with 60 degree bend:

72G Gold Plated Tungsten probe with 60 degree bend


Please refer to this section for American Probe & Technologies cross reference to other manufactures model numbers.


Cascade Part Number
Equivalent APT Model Number
46329 72G-D3/200
48380 72G-F3/2000x1.25"
30955 72G-F3/250x1.25"
55004 72G-F3/50
75365 72G-G3/100x1.25"
74112 72G-G3/50x1.25"
47531 72G-J3/120
61242 72G-J3/50x1.25"
41344 72G-J3/70
69803 72G-J3/70 x 2"



Karl Suss Part Number
Equivelent APT Model Number
K00-30955 72G-F3/250x1.25"
K00-41344 72G-J3/70x1.25"
K00-46329 72G-D3/200x1.25"
K00-47531 72G-J3/120x1.25"
K00-48380 72G-F3/2000x1.25"



 Probing Solutions Part Number
 Equivalent APT Model Number
 72G-C3/100 x 1.25


Semiprobe Part Number
Equivalent APT Model Number
DC-11019 72G-J3/200 x 1.25
DC-11027 72G-J3/500 x 1.25
DC-11031 72G-J3/100 x 1.25
DC-11032 72G-J3/125 x 1.25
DC-11033 72G-J3/150 x 1.25
DC-11034 72G-J3/250 x 1.25
DC-11038 72G-J3/70 x 1.25
DC-11044 72G-J3/50 x 1.25