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MicroPlex® SSR18 AND SSR30
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Catalog excerpts

MicroPlex® SSR18 AND SSR30 - 1

Product Datasheet Littelfuse* Expertise Applied | Answers Delivered MicroPlex® SSR18 AND SSR30 Inputs Overview 18A-30A • 12V DC • Micro 280 Form Factor Description The MicroPlex® SSR18 and SSR30 are some of the smallest high power solid state relays in today's automotive industry. They are designed to interface seamlessly with the MicroPlex® family of controllers to create a smart and state-of-the-art multiplex system. When the MicroPlex® SSRs are integrated with MicroPlex® controllers, the user is able to measure current (in terms of voltage proportional to the load current) through the current sense output pin (VIS). Users are also able to diagnose faults such as, short circuit to GND, over temperature, and open load, which will show as VIS = 0 V. Over current condition will show as VIS >> VIS @ SSR's rated current. Specifications Input Voltage Range: Current Rating: PWM-Capable: Voltage Drop Von: Operating Temp: Output Type: Protection: Dimensions: 12V DC SSR18-18A SSR30-30A Frequency up to ~200 Hz 90 mV (Typical) -40° to +85° C N-Channel Power FET with Charge Pump for Direct Load Switching Application IP67 when used with IP67 Micro 280 Fuse and Relay Box Housing PA66 - GF33 SSR18 - Micro 280 Relay Form Factor SSR30 - Side by side 2x Micro 280 Relay Form Factor Short Circuit, Battery Reverse Polarity, and Load Dump SSR18 - 22 x 15 x 36.36 mm SSR30 - 30.4 x 23.6 x 36.34 mm Web Resources Download 2D print, 3D model and more at: littelfuse.com/Microplex *MicroPlex® is a registered trademark. © 2018 Littelfuse Commercial Vehicle Products Rev: 111518

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MicroPlex® SSR18 AND SSR30 - 2

Product Datasheet MicroPlex ® SSR18 AND SSR30 Dimensions in millimeters SSR18 Load Current Calculation IL = IIS (KILIS) Where IIS = VIS/1kΩ KILIS = 14000 typical Related Products HWB60 AL The Littelfuse HWB60-AL Hard-Wired Box is the perfect fit for accessory circuits and overflow circuits from your main Power Distribution Module. For smaller vehicles, this unit is an ideal solution as a main vehicle module. It features durable construction, and IP67 Rating and a compact size. With the elimination of internal bussing the user can customize their own circuitry utilizing direct...

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