World's Largest  Probe Manufacturer

Technical Summary

Minimum Device Pitch: 0.50 (.020)
Signal Path Length: 2.90 (.114)
Force per Contact: 
  H3 & H6: 25.3g (0.89 oz.) @ 0.38 (.015) travel
  H9: 30g (1.06 oz.) @ 0.38 (.015) travel 
Device Compliance: 0.23 (.009)
DUT Board Compliance: 0.15 (.006)
Operating Temperature: 
  -55°C to 150°C for stainless steel spring
  -55°C to 120°C for music wire spring
(prolonged exposure of >1 hour reduces the max operating temperature of music wire springs to 85°C)
Insertions: > 500,000
    Dimensions in millimeters (inches)

Electrical Specifications

Typical Resistance: < 55 mΩ
Current Carrying Capacity: 3.5 amps continuous
(Current DC carry capacity @ 80°C steady state)
Pattern 2a (RSR):  @ 0.50mm pitch
Characteristic Impedance: 61 Ω
Time Delay: 18 pSec
Loop Inductance: 1.12 nH
Signal Pin to Return Capacitance: 0.30 pF
- 1 dB Insertion Loss Bandwidth: > 20 GHz


Barrel: Phosphorous bronze, gold plated
  Stainless steel, gold plated - 25.3g spring
  Music wire, gold plated - 30g spring
Device Side Contact: Homogeneous alloy
Board Side Contact: Full-hard beryllium copper, gold plated

How to Order

623-0326-H3     Spear
623-0326-H6     0.31 4-pt. crown
623-0326-H9     0.20 4-pt. crown


Global Support

IDI has Sales and Application Engineering Offices around the world to support our global customers.


R&D Test Lab

Our commitment to “first-cycle, every-cycle" reliability is backed by the extensive product testing and evaluation performed in our Test Lab.