IC Device Contact
Test Center .050 (1.27)

Spring Force


How to Order


Probe Specifications
Full Travel: .050 (1.27)
Working Travel:
.050 (1.27)
Mechanical Life Exceeds: .250 x 106 cycles

Operating Temperature -55°C to +140°C
Consult factory for other temperature requirements, and applications below -40°

Electrical (Static Conditions)
Current Rating: 5 amps
Maximum continuous current, non-inductive at working travel

Probe Resistance 50 milliohms
With a standard deviation of <4 milliohms @ 25 mA test current

Materials and Finishes
Plunger: Beryllium copper, gold plated
Barrel: Work-hardened phosphor bronze, HPA-GOLD" plated (I.D.and O.D.) over hard nickel
Spring: Beryllium copper, gold plated
Receptacle Specifications
Mounting Hole Size: .035/.0365 (0.89/0.93)
A #64 or 0.92 mm drill is most commonly used

Wire Gauge:
28-30 AWG

Connections: SPR-0W crimp (to order with 30 inches of 28 AWG wire attached, add -28 to model number. For 30 AWG wire, add -30 to model number.)

Materials and Finishes
Housing: Work-hardened nickel silver, gold plated over hard nickel

Spring Force (top)

Spring Force in 0z. (grams)
Spring Type   Preload .050Travel
Standard Shown 1.38 (39) 2.90 (82)

How to Order (top)

For each probe, specify the probe model and tip style as shown in the example below. If required, specify the optional non-standard spring force.


Order Form

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