NI (National Instruments) SWB-2816 8x46, 0.3 A, Reed Matrix Module for SwitchBlock

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NI (National Instruments) · Computer-Based Device

SWB-2816

The NI SWB-2816 is an 8x46 reed relay matrix module with 368 crosspoints for SwitchBlock systems. It operates in 1-wire mode for configurable signal routing.

ManufacturerNI (National Instruments)

ModelSWB-2816

Part Number781420-16 · 781421-16

Product Type8x46, 0.3 A, Reed Matrix Module for SwitchBlock

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Number of Columns46

Maximum Switching Current DC0.25 A

Maximum Switching Voltage DC100 V

Relay TypeReed

Number of Rows8

Mode (n-wire)1-wire

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Overview

Product overview

Key product information and technical features.

The SWB-2816 provides 8 rows and 46 columns of reed relay switching in a 1-wire matrix. Its 368 crosspoints support connecting inputs to outputs individually or in combination.

Within a SwitchBlock system, the matrix can route signals to different test points on a unit under test and change connection paths without manually changing external connections. The listed NI part numbers are 781420-16 and 781421-16.

8x46 matrix configuration with 368 crosspoints.
Reed relays with a listed switch bandwidth of 8 MHz.
1-wire routing with individual or combined input-to-output connections.
Maximum switching voltage of 100 V DC or 70 V AC.
Maximum DC switching current of 0.25 A; maximum AC carry current of 0.3 A.

Verified specifications

Technical data

Verified product specifications.

Number of Columns	46
Maximum Switching Current DC	0.25 A
Maximum Switching Voltage DC	100 V
Relay Type	Reed
Number of Rows	8
Mode (n-wire)	1-wire
Supported Hardware Platform	Computer-Based Device
Bus Connection	Switchblock
Crosspoints	368
Maximum Carry Current AC	0.3 A
Maximum Switching Voltage AC	70 V
Switch Bandwidth	8 MHz
NI part numbers	781420-16, 781421-16

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NI

Manufacturer

Computer-Based Device

Supported Hardware Platform

SWB-2816

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Specifications (NI)Specifications · ni.com

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FAQ

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Product-specific answers based on available technical information.

What matrix configuration does the SWB-2816 provide?

It provides 8 rows and 46 columns, giving 368 crosspoints in 1-wire mode.

What are the maximum DC switching ratings?

The listed maximum DC switching current is 0.25 A, and the maximum DC switching voltage is 100 V. Consult the NI specifications for operating conditions and applicable limits.

Is the 0.3 A rating the DC switching current?

No. The preserved specifications list 0.3 A as the maximum AC carry current. The maximum DC switching current is 0.25 A.

What are the NI part numbers for the SWB-2816?

The listed part numbers are 781420-16 and 781421-16. The supplied data does not distinguish their ordering configurations.

What signal-routing function does the matrix provide?

The matrix can connect any input to any output individually or in combination, allowing connection paths to change without manually changing external connections.