The Keithley 7152-MTC-2 is a 4×5 matrix test card engineered for automated signal routing and switching within Keithley mainframe systems. It delivers high-isolation signal paths with dual-pole Form A crosspoints optimized for precision low-current and high-impedance measurements in semiconductor and materials characterization applications.
## Technical Specifications
**Matrix Configuration**
• 4 rows × 5 columns
• 2-pole Form A crosspoints (Signal and Guard per point)
• Relay drive current: 20 mA per crosspoint
• Actuation time: <2 ms (exclusive of mainframe)
**Contact Ratings**
• Peak carry current: 1 A
• Peak switched current: 0.5 A
• Maximum resistive power: 10 VA
• Path resistance: <1 Ω per contact to rated life
• Contact life: 10⁸ closures (cold switching), 10⁵ closures (maximum signal level)
**Signal Integrity**
• Offset current: <1 pA (10 fA typical)
• Contact potential: 10¹³ Ω and 10¹¹ Ω and 10⁹ Ω and <300 pF
• Crosstalk: <–50 dB at 1 MHz (50 Ω load)
• Insertion loss: 0.1 dB typical (1 MHz, 50 Ω source/load)
• 3 dB bandwidth: 60 MHz typical (50 Ω load)
**Voltage Ratings**
• Common-mode peak: 200 V (Signal or Guard to Chassis)
• Path-to-path peak: 200 V (Signal or Guard to Signal or Guard)
## Key Features
• Dual-pole crosspoints for simultaneous Signal and Guard path switching
• Extreme leakage isolation suitable for femtoampere and picoampere measurements
• Low-frequency and RF operation to 60 MHz bandwidth
• M-series connector blocks for flexible cable termination and expansion
• Contact life certified to 10⁸ switching cycles under cold-switching conditions
## Typical Applications
• High-isolation measurements in semiconductor device testing
• Insulation resistance and dielectric property characterization
• Automated multi-point signal routing in test systems
• Low-current precision measurements requiring sub-picoampere accuracy
## Compatibility & Integration
Designed for Keithley 7152 mainframe systems; compatible with 7001 and 7002 mainframes. Standard 0.6 m cable termination with M-series connectors. Expands via 7152-MTC cables or connects to external instruments (electrometers, SMUs) through optional 7152-TRX cables terminated with 3-lug triaxial connectors.
