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Offering extensive spring probe pins (pogo pins) will enable many users to raise the efficiency of test operation. The pin design capability of OKins engineering has been acknowledged as the best thanks to the technical leadership and various field experiences. Our innovative technical challenging promises more promising test improvement in yield, life time and cost. Probe Pin :1839-11HX Mechanical Specifications Pin height : 6.70mm Bottom plunger : 0.50mm Contact spring force : 17g/0.70 mm Full stroke : 1.0mm Target stroke : 0.70mm General Information Material : BeCu Plating : Au/Ni (Gold plating over Nickel) Top Plunger (Au 2.0 um over / Ni 1~1.25um ) Barrel (Au 1.0 um over / Ni 1~1.25 um Bottom Plunger (Au 2.0 um over/ Ni 1~1.25 um ) Electrical Specifications Bandwidth : > 7.0 GHz @ -1.0dB Self inductance : 1.0 nH Contact resistance : < 50 m ohm Propagation Delay : 44.32ps Probe Pin :1821-11HX Mechanical Specifications Pin height : 4.15mm Bottom plunger : 0.50mm Contact spring force : 15g/0.40 mm Full stroke : 0.6mm Target stroke : 0.40mm General Information Material : BeCu Plating : Au/Ni (Gold plating over Nickel) Top Plunger (Au 2.0 um over / Ni 1~1.25um ) Barrel (Au 1.0 um over / Ni 1~1.25 um Bottom Plunger (Au 2.0 um over/ Ni 1~1.25 um ) Electrical Specifications Bandwidth : > 10.00GHz @ -1.0dB Self inductance : 1.8 nH Contact resistance : < 50 m ohm Propagation Delay : 32.24ps