QLS®

The QLS® (Quick Lock Standard) connector family features similiar interface dimensions like the SMA connector family. The only difference is that instead of a threaded coupling, a quick lock mechanism is being used.

This connector family is suitable for the standard ranges of flexible and semi rigid cables and is also available in PCB and panel mount versions.

With the characteristic impedance of 50 ohm, the return loss of QLS® coaxial connectors is optimised for frequencies up to 18 GHz.

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Electrical characteristics

Impedance	50 Ohm
Operating frequency Optimized Working range	DC to 18 GHz DC to 18 GHz (interface)
Return loss interface (typical)	DC-3 GHz ≥ 32 dB 3 to 6 GHz ≥ 28 dB 6 to 10 GHz ≥ 22 dB 10 to 18 GHz ≥ 20 dB
Dielectric withstanding voltage Semi-rigid cable Flexible cable	≥ 1000 V / 50 Hz ≥ 750 V / 50 Hz
Operating voltage (depending on cable type) Semi-rigid cable Flexible cable	≤ 335 V / 50 Hz ≤ 250 V / 50 Hz
Insertion loss Straight connector semi-rigid cable Angle connector semi-rigid cable Straight connector flexible cable Angle connector flexible cable	0,04 √ f (GHz) dB 0,06 √ f (GHz) dB 0,04 √ f (GHz) dB 0,08 √ f (GHz) dB
Insulation resistance	≥ 5 GOhm
Contact resistance Center contact Outer contact	≤ 3 mOhm ≤ 2,5 mOhm
Current carrying capacity	≤ 2 A DC
Power Handling (typical) (depends on: application, design, VSRW, environmental characteristics)	220 W @ T=23 °C / 1,0 GHz 125 W @ T=23 °C / 2,2 GHz
Passive intermodulation (typical)	145 dBc static with 2 x 20 W @ 1,8 GHz

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Mechanical characteristics

Engagement force	30 N typ.
Disengagement force	20 N typ.
Retention force for interface	≥ 200 N
Mating cycles	≥ 200
Connector pitch	min. 12,4 mm center to center
IP rating	Data on request

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Environmental specification

Operating temperature range	-40 °C (-40 °F) up to +85 °C (185 °F)
Vibration	IEC68-2-64 random 5-20 Hz; 1,29 (m/s²)² 20-500 Hz; -3 dB (octave)
Humidity	IEC 60169-1 16,3 (96 h)
Thermal shock	IEC 60169-1 16,4 (-40 °C / + 85 °C)

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Materials

Housing	Brass
Solder housing	Brass
Center pin contact	Brass
Center socket contact	Copper beryllium
Spring basket	Stainless steel
Insulator	PTFE
Crimp ferrule	Copper Brass
All products are RoHS conform.

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Plating

Standard plating
Housing	White bronze
Solder housing	Au
Center pin contact	Au
Center socket contact	Au
Spring basket	passivated
Crimp ferrule	Au, Ni, White bronze
Alternative plating
Housing	Au or NiP + Au
Solder housing	Au or NiP + Au
Center pin contact	Au
Center socket contact	Au
Spring basket	passivated
Crimp ferrule	Au or NiP + Au
Other platings on request.