Model Number: CSP-03G-003
Replacement Probe: SPL-03G-043, SPL-03B-121
Target Connector: CPT-03-50-2
Applications: Designed for use in interconnect applications where signal integrity is required, such as accessing high frequency targets on circuit boards. Can also be used as R.F. mating connector. Consult factory for detailed connector target information.
Test Centers: .300 (7.62)
Ground Shield Travel: .250 (6.35)
Mounting Hole Size: .252/.254 (6.40/6.45) dia.
Mates with Amphenol SMB 27-1 or equivalent.

Nominal Impedance: 50 ohms
Probe Resistance: 50 milliohms maximum
Dielectric Withstanding Voltage: 1K VAC
VSWR: 1.15:1 @ GHz
(Tested with Target)
Insertion Loss: 0.13 db @ 1 GHz
(Tested with Target)

Materials and Finishes
Housing: Gold plated copper zinc alloy
Ground Shield: Gold plated beryllium copper
Dielectric: Teflon per MIL-P-18468
Connector Pin: Gold plated beryllium copper
Spring Probe Plunger: Gold plated beryllium copper
Spring Probe Barrel: Gold plated brass
Spring Probe Spring: Music wire, silver plated
Consult factory for more information
Replacement Probe Specifications
Model Number:

SPL-03G-043, SPL-03B-121

Full Travel: .250 (6.35)
Working Travel:
.167 (4.24)
Mechanical Life Exceeds: 1,000,000 cycles

Operating Temperature -35°C to +105°C
Consult factory for other temperature requirements, and applications below -40°

Electrical (Static Conditions)
Current Rating: 6 amps
Maximum continuous current, non-inductive at working travel

Probe Resistance 50 milliohms

Materials and Finishes
Plunger: Gold plated beryllium copper
Barrel: Gold plated brass
Spring: Music wire, silver plated
High-Frequency Coaxial
Test and Measurment Probe

How to Order


Spring Force (top)

Spring Force in oz. (grams)
Spring Type Preload 2/3 Travel
.80 (22)
4.0 (114)
.80 (22)
4.0 (114

How to Order (top)

Order Form

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