PMR18EZPFV
Ultra-low Ohmic Chip Resistors For Current Detection

Ultra-low ohmic chip resistors for current detection are specialized in low resistance employing metal resistive element tolerant to high current and uniquely designed trimingless to attain precise resistance for accurate current detection and high-current switching.

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Product Detail

 
Part Number | PMR18EZPFV
Status | Recommended
Package | PMR18
Unit Quantity | 5000
Minimum Package Quantity | 5000
Packing Type | Taping
RoHS | Yes
Product Longevity Program | 10 Years

Specifications:

Automotive grade

Yes

Size[mm](inch)

3216(1206)

Rated Power[W]

1.5, 1

Resistance Tolerance

F (±1%)

Resistance range[Ω]

1m to 4m

Resistance(Min.)[Ω]

0.001

Resistance(Max.)[Ω]

0.004

Temperature Coefficient[ppm/°C]

±100

Operating Temperature[°C]

-55 to 155

Type

For current sensing

Operating Temperature (Max.)[°C]

155

Common Standard

AEC-Q200 (Automotive Grade)

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Features:

・Superior heat dissipation by ROHM's original (resistive element) trimingless structure.
・Ultr-low ohmic value from 1mOhm. Excellent temperature coefficient characteristics (+/- 100ppm/℃)
・All the part numbers are completely Pb free.

Reference Design / Application Evaluation Kit

 
    • Application EVK - APEVK66001
    • Industrial 3.6kW Totem Pole PFC Application EVK

    • Various applications are equipped with AC/DC functions, and the Totem Pole PFC topology is the standard circuit.The TPPFCSIC-EVK-301 implements a single-phase AC/DC conversion stage in Totem Pole PFC topology. Key components are ROHM Gen.4 SiC MOSFETs (SCT4045DR) as the main high-frequency switching elements, as well as the BM61S41 single-channel isolated gate driver IC. In addition, SJ MOSFETs and auxiliary power supply, among other components from ROHM, were utilized to create a high-performance AC/DC circuit for single-phase operation.TPPFCSIC-EVK-301 reaches up to 98.5％ efficiency at 230Vac.If this Totem Pole PFC reference design is coupled with a secondary stage of comparable efficiency, it becomes possible to achieve the 80+ Titanium target efficiency of power supply products. Moreover, this contributes to enhancing the Annual Performance Factor (APF) of air conditioners.

      This reference design consists of two boards. Each is shown below.

      • TPPFCSIC-EVK-201_PCB3051：Totem Pole PFC Board
      • TPPFCSIC-EVK-201_PCB3052 : AUX Power Supply Board

      The software for this reference design can be downloaded from below.
      [TPPFCSIC-EVK-301_SW.zip Download]

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