{"id":36942,"date":"2026-09-22T20:24:19","date_gmt":"2026-09-22T12:24:19","guid":{"rendered":"https:\/\/pxisource.com\/product\/swb-2810\/"},"modified":"2026-09-22T21:34:08","modified_gmt":"2026-09-22T13:34:08","slug":"swb-2810","status":"publish","type":"product","link":"https:\/\/pxisource.com\/ru\/product\/swb-2810\/","title":{"rendered":"SWB-2810"},"content":{"rendered":"<h3>SWB-2810 4 \u00d7 43 1 A Reed Matrix for NI SwitchBlock<\/h3>\n<p>The NI SWB-2810 is a 1-wire, 4 \u00d7 43 reed relay matrix card for NI SwitchBlock systems. It provides 172 crosspoints for routing shared instruments, stimulus sources, and DUT test points under software control. The topology is designed for systems that require four common signal paths and a relatively high number of connection points.<\/p>\n<p>The module supports 1 A maximum switching and carry current per channel, 150 V row-to-column switching, and 150 V CAT I row\/column-to-ground operation. It is not a standalone PXI module and requires an <a class=\"product-link\" href=\"https:\/\/pxisource.com\/ru\/product\/pxi-2800\/\">NI PXI-2800 SwitchBlock carrier<\/a> for installation in a PXI chassis.<\/p>\n<h3>Key Features of the SWB-2810<\/h3>\n<ul>\n<li>1-wire 4 \u00d7 43 reed relay matrix with 172 crosspoints<\/li>\n<li>1.0 A maximum switching and carry current per channel<\/li>\n<li>150 V maximum switching voltage; Measurement Category I<\/li>\n<li>20 W maximum switching power per channel and per crosspoint<\/li>\n<li>Initial DC path resistance below 1 \u03a9<\/li>\n<li>Typical bandwidth of at least 10 MHz at -3 dB with 50 \u03a9 termination<\/li>\n<li>Four analog-bus connections for SwitchBlock matrix expansion<\/li>\n<li>Typical operation and release time below 1 ms for up to eight simultaneous relays<\/li>\n<li>Compatible with NI PXI-2800, SH96F-96M cable assemblies, and TBX-2809<\/li>\n<\/ul>\n<h2>SWB-2810 Technical Specifications<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u041f\u0430\u0440\u0430\u043c\u0435\u0442\u0440<\/th>\n<th>\u0421\u043f\u0435\u0446\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Topology<\/td>\n<td>1-wire 4 \u00d7 43 matrix<\/td>\n<\/tr>\n<tr>\n<td>Crosspoints<\/td>\n<td>172<\/td>\n<\/tr>\n<tr>\n<td>\u0422\u0438\u043f \u0440\u0435\u043b\u0435<\/td>\n<td>Reed relay with iridium contacts<\/td>\n<\/tr>\n<tr>\n<td>Maximum Switching Voltage<\/td>\n<td>150 V row-to-column; 150 V CAT I row\/column-to-ground<\/td>\n<\/tr>\n<tr>\n<td>Maximum Switching \/ Carry Current<\/td>\n<td>1.0 \u0437\u0430 \u043a\u0430\u043d\u0430\u043b<\/td>\n<\/tr>\n<tr>\n<td>Maximum Switching Power<\/td>\n<td>20 W per channel; 20 W per crosspoint<\/td>\n<\/tr>\n<tr>\n<td>DC Path Resistance<\/td>\n<td>Initial &lt;1 \u03a9; end-of-life \u22652 \u03a9<\/td>\n<\/tr>\n<tr>\n<td>Open-Channel Resistance<\/td>\n<td>&gt;1 \u00d7 10<sup>9<\/sup> \u03a9<\/td>\n<\/tr>\n<tr>\n<td>Thermal EMF, Typical<\/td>\n<td>&lt;150 \u03bcV<\/td>\n<\/tr>\n<tr>\n<td>Bandwidth, Typical<\/td>\n<td>\u226510 MHz at -3 dB, 50 \u03a9 termination<\/td>\n<\/tr>\n<tr>\n<td>Analog Bus<\/td>\n<td>Four lines: AB&lt;0..3&gt;<\/td>\n<\/tr>\n<tr>\n<td>Relay Operation \/ Release Time, Typical<\/td>\n<td>Up to 8 relays: &lt;1 ms; up to 50 relays: &lt;2 ms<\/td>\n<\/tr>\n<tr>\n<td>Power Consumption<\/td>\n<td>50 mW per energized relay<\/td>\n<\/tr>\n<tr>\n<td>Power Dissipation Limit<\/td>\n<td>8.8 W per card and carrier<\/td>\n<\/tr>\n<tr>\n<td>I\/O Connector<\/td>\n<td>96-position plastic SCSI<\/td>\n<\/tr>\n<tr>\n<td>Operating Temperature<\/td>\n<td>\u043e\u0442 0 \u00b0C \u0434\u043e 55 \u00b0C<\/td>\n<\/tr>\n<tr>\n<td>Dimensions<\/td>\n<td>11.2 cm \u00d7 1.2 cm \u00d7 17.1 cm<\/td>\n<\/tr>\n<tr>\n<td>Weight<\/td>\n<td>240 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The bandwidth figure is a typical specification measured with 50 \u03a9 termination. Actual signal performance depends on cable length, source impedance, load impedance, terminal hardware, and the selected routing path.<\/p>\n<h2>SWB-2810 Part Number and Accessories<\/h2>\n<table>\n<thead>\n<tr>\n<th>Item<\/th>\n<th>Part Number<\/th>\n<th>Selection Note<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NI 2810A \/ SWB-2810 Type A<\/td>\n<td>781420-10<\/td>\n<td>Provides row and column access; one Type A card is used per SwitchBlock system.<\/td>\n<\/tr>\n<tr>\n<td>NI 2810B \/ SWB-2810 Type B<\/td>\n<td>781421-10<\/td>\n<td>Expansion version for larger SwitchBlock matrix configurations.<\/td>\n<\/tr>\n<tr>\n<td>NI PXI-2800<\/td>\n<td>Configuration dependent<\/td>\n<td>Required SwitchBlock carrier for operation in a PXI chassis.<\/td>\n<\/tr>\n<tr>\n<td>SH96F-96M-NI SwitchBlock Cable<\/td>\n<td>150275-01<\/td>\n<td>Standard compatible cable; available in 0.5 m, 1 m, and 1.5 m lengths.<\/td>\n<\/tr>\n<tr>\n<td>SH96F-96M-RES Cable<\/td>\n<td>150579-01<\/td>\n<td>Compatible cable with 100 \u03a9 series resistance for applicable relay-protection designs.<\/td>\n<\/tr>\n<tr>\n<td>NI TBX-2809<\/td>\n<td>781420-09<\/td>\n<td>Compatible unshielded screw-terminal accessory.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>The Type A and Type B cards share the same electrical specifications. Select Type A when the system needs row and column access; select Type B only for expansion. Confirm the complete carrier, card, cable, and terminal configuration before ordering.<\/p>\n<h2>SWB-2810 Matrix Architecture and Integration<\/h2>\n<h3>4 \u00d7 43 Routing Topology<\/h3>\n<p>The SWB-2810 provides four rows and 43 columns. In a typical test system, the rows are connected to shared instruments or stimulus paths, while the columns connect to DUT pins, fixture nodes, or test points. Software closes the required crosspoint to route one selected row to one selected column.<\/p>\n<p>This architecture is appropriate when several common instruments must serve a large number of DUT connections. If the application requires more shared rows and fewer columns, consider the <a class=\"product-link\" href=\"https:\/\/pxisource.com\/ru\/product\/swb-2811\/\">NI SWB-2811<\/a> \u0438\u043b\u0438 <a class=\"product-link\" href=\"https:\/\/pxisource.com\/ru\/product\/swb-2812\/\">NI SWB-2812<\/a> instead.<\/p>\n<h3>SwitchBlock Carrier and Relay Drive Budget<\/h3>\n<p>The SWB-2810 installs in the PXI-2800 carrier, which supports multiple SwitchBlock matrix cards and provides an integrated analog bus for larger routing systems. In NI MAX and NI-SWITCH, the card may be displayed as NI 2810A or NI 2810B rather than SWB-2810.<\/p>\n<p>Each energized relay consumes 50 mW. Although the module provides 172 crosspoints, the system must remain within the 8.8 W power-dissipation limit of the card and carrier. Review the number of simultaneous closures across the complete carrier before deploying a high-density switching sequence.<\/p>\n<h3>Relay Lifetime and Load Protection<\/h3>\n<p>Reed relay life depends on switched voltage, current, load capacitance, cable capacitance, and protection design. NI specifies electrical life up to 1 \u00d7 10<sup>8<\/sup> operations at 10 V and 100 mA, 1 \u00d7 10<sup>7<\/sup> operations at 20 V and 500 mA, and 4 \u00d7 10<sup>6<\/sup> operations at 20 V and 1 A with a resistive load below 10 pF.<\/p>\n<p>Capacitive loads can generate inrush current, while inductive loads can generate flyback voltage. Both conditions can shorten relay life. Evaluate the real load rather than relying only on the 1 A and 150 V maximum ratings. The 100 \u03a9 SH96F-96M-RES cable may be appropriate when series protection resistance is acceptable for the application.<\/p>\n<h2>SWB-2810 Applications<\/h2>\n<h3>Functional and Production Test<\/h3>\n<p>The SWB-2810 is suitable for automated functional test fixtures where DMMs, power supplies, waveform generators, or oscilloscopes must be routed to multiple DUT nodes. It reduces manual repatching and supports repeatable test sequences.<\/p>\n<h3>Electronic Assembly and PCB Validation<\/h3>\n<p>Engineers can use the 4 \u00d7 43 matrix to connect shared instruments to component nodes, connectors, rails, or signal paths during board validation and fault isolation. The final design should account for switching power, source impedance, and possible capacitive loading from the fixture and cable assembly.<\/p>\n<h3>Scalable SwitchBlock Systems<\/h3>\n<p>For routing systems larger than one card, the SWB-2810 can be combined with other compatible SwitchBlock modules in a PXI-2800 carrier. Select the matrix topology from the required row-to-column structure rather than total crosspoint count alone.<\/p>\n<h2>SWB-2810 Comparison<\/h2>\n<h3>SWB-2810 vs SWB-2811<\/h3>\n<p>The SWB-2810 uses a 4 \u00d7 43 topology, while the SWB-2811 uses 8 \u00d7 21. Choose SWB-2810 for higher column density; choose SWB-2811 when the system needs more shared instrument or source paths.<\/p>\n<h3>SWB-2810 vs SWB-2812<\/h3>\n<p>The SWB-2812 provides a 16 \u00d7 9 matrix. It is more suitable for applications requiring many rows and fewer DUT nodes per row. SWB-2810 is the better fit for four shared paths across a larger number of columns.<\/p>\n<h3>SWB-2810 vs SWB-2815<\/h3>\n<p>\u0417\u0435\u043c\u043b\u044f <a class=\"product-link\" href=\"https:\/\/pxisource.com\/ru\/product\/swb-2815\/\">NI SWB-2815<\/a> provides a 4 \u00d7 86 topology for higher column density but is intended for lower-power switching. Select SWB-2810 when the application requires its 1 A and 150 V capability.<\/p>\n<h3>Recommended Related Products<\/h3>\n<ul>\n<li><a class=\"product-link\" href=\"https:\/\/pxisource.com\/ru\/product\/pxi-2800\/\">NI PXI-2800<\/a> \u2014 required SwitchBlock carrier.<\/li>\n<li>SH96F-96M-NI SwitchBlock Cable, 150275-01 \u2014 standard compatible cable.<\/li>\n<li>SH96F-96M-RES Cable, 150579-01 \u2014 100 \u03a9 series-resistance cable for applicable load-protection requirements.<\/li>\n<li>NI TBX-2809, 781420-09 \u2014 compatible screw-terminal accessory.<\/li>\n<\/ul>\n<h3>Request a Quote<\/h3>\n<p>Contact PXISOURCE at <a href=\"mailto:sales@pxisource.com\">sales@pxisource.com<\/a> \u0438\u043b\u0438 <a href=\"https:\/\/wa.me\/8619534079563\">WhatsApp<\/a> for the NI SWB-2810. Please provide the required Type A or Type B version, quantity, carrier requirement, cable length, terminal accessory, switching voltage, current, and load type.<\/p>\n<h2>\u0427\u0430\u0441\u0442\u043e \u0437\u0430\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0435 \u0432\u043e\u043f\u0440\u043e\u0441\u044b<\/h2>\n<h4>Can the SWB-2810 be used directly in a PXI chassis?<\/h4>\n<p>No. The SWB-2810 is a SwitchBlock matrix card and requires an NI PXI-2800 carrier. It cannot operate as a standalone PXI module.<\/p>\n<h4>What is the difference between the NI 2810A and NI 2810B?<\/h4>\n<p>Both are 4 \u00d7 43, 1 A reed matrix cards. The NI 2810A provides row and column access; the NI 2810B is used for expansion. A SwitchBlock system can use only one Type A card.<\/p>\n<h4>Does 172 crosspoints mean that all relays can be closed at the same time?<\/h4>\n<p>Not automatically. Each energized relay consumes 50 mW, and NI specifies an 8.8 W card and carrier power-dissipation limit. The complete carrier configuration and simultaneous relay count must be reviewed before operation.<\/p>\n<h4>How can I improve relay life when switching capacitive loads?<\/h4>\n<p>NI shows that relay life can change significantly with circuit capacitance and series protection. In NI\u2019s published 50 V example with 130 pF total load capacitance, the estimated life is approximately 500,000 operations without protection and approximately 25,000,000 operations with 50 \u03a9 series protection. This is an engineering example, not a guaranteed lifetime; evaluate the actual DUT, cable, and instrument capacitance for the final system.<\/p>\n<h4>Can the SWB-2810 switch mains voltage?<\/h4>\n<p>No. The SWB-2810 is rated for Measurement Category I only. It must not be connected to mains circuits or used for Category II, III, or IV measurements.<\/p>","protected":false},"excerpt":{"rendered":"<p>Number of Columns: 43<br \/>\n\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u044b\u0439 \u043a\u043e\u043c\u043c\u0443\u0442\u0438\u0440\u0443\u0435\u043c\u044b\u0439 \u0442\u043e\u043a DC: 1 \u0410<br \/>\n\u041c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u043e\u0435 \u043a\u043e\u043c\u043c\u0443\u0442\u0438\u0440\u0443\u0435\u043c\u043e\u0435 \u043d\u0430\u043f\u0440\u044f\u0436\u0435\u043d\u0438\u0435 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e\u0433\u043e \u0442\u043e\u043a\u0430: 150 \u0412<br \/>\n\u0422\u0438\u043f \u0440\u0435\u043b\u0435: \u0433\u0435\u0440\u043a\u043e\u043d<br \/>\n\u041a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u0442\u0440\u043e\u043a: 4<br \/>\n\u0420\u0435\u0436\u0438\u043c (n-\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439): 1-\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u043e\u0439<\/p>","protected":false},"featured_media":36150,"template":"","meta":{"_acf_changed":false},"product_brand":[18],"product_cat":[673],"product_tag":[],"class_list":["post-36942","product","type-product","status-publish","has-post-thumbnail","product_brand-national-instruments","product_cat-c-module","first","outofstock","shipping-taxable","purchasable","product-type-simple"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.0 (Yoast SEO v28.4) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>NI SWB-2810 Matrix Module for SwitchBlock 781421-10, In Stock | Project Pricing<\/title>\n<meta name=\"description\" content=\"NI SWB-2810 is a 4 \u00d7 43, 1 A reed relay matrix module for NI SwitchBlock systems. 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