Modular Systems > National Instruments > SwitchBlock Series

National Instruments - SwitchBlock Series - 781420-17National Instruments - SwitchBlock Series - 781420-17 - Wiring781420-17 New781420-17 | Legacy, Refurbished and New Surplus
National Instruments - SwitchBlock Series - 781420-17
National Instruments - SwitchBlock Series - 781420-17 - Wiring
781420-17 New
781420-17 | Legacy, Refurbished and New Surplus
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781420-17, 16 x 22 Matrix, 0.25 A Reed, SWB-2817 Matrix Module for SwitchBlock
4.9/5 | 12 ratings
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National Instruments 781420-17 Matrix Switch Card

The National Instruments 781420-17 (Model Name: NI 2817A) is a high density matrix switch card designed to integrate into the NI SwitchBlock platform. This allows scalable switching configurations when combined with other cards. The card is particularly useful for creating complex switching networks in test systems and providing users with the flexibility to configure multiple paths between test points and instruments. This modular design feature allows users to combine several NI 2817 cards to build a customized multicard switch configuration that meets specific testing needs. 

Each channel of the 781420-17 card is designed to handle a maximum switching voltage of 100 V with a current limit of 0.25 A per channel and a maximum switching power of 3 W. This makes it suitable for applications requiring reliable switching of low power signals. The maximum carry current is slightly higher at 0.3 A per channel. The card offers a mechanical relay life of up to 2.5 × 10^8 cycles.The DC path resistance of this matrix switch card is kept low at the start less than 1.6 Ω and increases to greater than 2.6 Ω at the end-of-life. The open channel resistance exceeds 1 × 10^9 Ω effectively isolating the switched-off pathways to minimize interference or signal leakage. This isolation capability is complemented by isolation values that range from 65 dB at 10 kHz down to 30 dB at 1 MHz. 

The 781420-17 card supports the simultaneous operation of up to 61 relays with relay operate and release times ranging from <1 ms for up to 8 relays and <2 ms for up to 50 relays. This offers a fast response for rapid switching applications. With a bandwidth of 5 MHz, it supports a wide range of analog signal frequencies. Power consumption for the NI 781420-17 card is optimized with each relay consuming 63 mW and an overall power consumption limit of 3.9 W. The card’s compact form factor of 11.2 cm × 1.2 cm × 17.1 cm and 320 g weight makes it suitable for integration into space-limited setups. The Reed relays used in the card ensure low contact wear further extending the card’s operational life.

Part Number781420-17
Model NameNI 2817A
Part TypeMatrix Switch Card
Simultaneous Drive Limit61 relays
Maximum Switching Current0.25 A (per channel)
Power Consumption per Relay63 mW
Maximum Switching Power3 W (per channel)
Dimensions11.2 cm × 1.2 cm × 17.1 cm (4.4 in. × 0.5 in. × 6.7 in.)
Weight320 g (11.3 oz)
Warranty2 - 3 years


Why Buy From Apex Waves:

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Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.net Visa Master Card American Express BB&T Better Business Bureau Dun & Bradstreet
Quick Quotes: Receive Price & Availability Today!
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Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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Common Typos: 7I1420-17, 78Q420-17, 781R20-17, 781T20-17, 781420-1Y

781420-17



Modular Systems > National Instruments > SwitchBlock Series

781420-17, 16 x 22 Matrix, 0.25 A Reed, SWB-2817 Matrix Module for SwitchBlock
4.9/5 | 12 ratings

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National Instruments 781420-17 Matrix Switch Card

The National Instruments 781420-17 (Model Name: NI 2817A) is a high density matrix switch card designed to integrate into the NI SwitchBlock platform. This allows scalable switching configurations when combined with other cards. The card is particularly useful for creating complex switching networks in test systems and providing users with the flexibility to configure multiple paths between test points and instruments. This modular design feature allows users to combine several NI 2817 cards to build a customized multicard switch configuration that meets specific testing needs. 

Each channel of the 781420-17 card is designed to handle a maximum switching voltage of 100 V with a current limit of 0.25 A per channel and a maximum switching power of 3 W. This makes it suitable for applications requiring reliable switching of low power signals. The maximum carry current is slightly higher at 0.3 A per channel. The card offers a mechanical relay life of up to 2.5 × 10^8 cycles.The DC path resistance of this matrix switch card is kept low at the start less than 1.6 Ω and increases to greater than 2.6 Ω at the end-of-life. The open channel resistance exceeds 1 × 10^9 Ω effectively isolating the switched-off pathways to minimize interference or signal leakage. This isolation capability is complemented by isolation values that range from 65 dB at 10 kHz down to 30 dB at 1 MHz. 

The 781420-17 card supports the simultaneous operation of up to 61 relays with relay operate and release times ranging from <1 ms for up to 8 relays and <2 ms for up to 50 relays. This offers a fast response for rapid switching applications. With a bandwidth of 5 MHz, it supports a wide range of analog signal frequencies. Power consumption for the NI 781420-17 card is optimized with each relay consuming 63 mW and an overall power consumption limit of 3.9 W. The card’s compact form factor of 11.2 cm × 1.2 cm × 17.1 cm and 320 g weight makes it suitable for integration into space-limited setups. The Reed relays used in the card ensure low contact wear further extending the card’s operational life.

Part Number781420-17
Model NameNI 2817A
Part TypeMatrix Switch Card
Simultaneous Drive Limit61 relays
Maximum Switching Current0.25 A (per channel)
Power Consumption per Relay63 mW
Maximum Switching Power3 W (per channel)
Dimensions11.2 cm × 1.2 cm × 17.1 cm (4.4 in. × 0.5 in. × 6.7 in.)
Weight320 g (11.3 oz)
Warranty2 - 3 years

Why Buy From Apex Waves

Apex Waves Youtube Video

"The business transaction was super easy and friendly."


"Hand carrying parts to fedex directly to make sure I get them overnight. Great service"


"They were very helpful to get me the test equipment that I need."


Delivery: UPS, FedEX and DHL – Free FedEx Ground on all orders
Overnight, Next Day Air or Expedited shipping options available
International delivery available
Same day shipping for in-stock on location
Warranty: All of our products are covered by our Apex Waves Warranty.
3 Year Warranty - New Surplus Parts
2 Year Warranty - Refurbished Parts
Returns: No hassle return policy.
Dedicated customer service team.
Payment: Authorize.Net paypal visa card master card american express card BB&T Bank better business bureau
Quick Quotes: Receive Price & Availability Today!
Calibration: Ask About Our Tiered Calibration Levels
Option & Modules: Confirm Your Requirements or Versions
Repair: Cost & Lead Time Available Upon Request for Service
Repair Evaluation: $150
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