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PSR series

PSR series
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High power metal plate shunt resistors <Ultra low ohmic> PSR series •Feature 1) High power max 15W 2) Ultra low resistance range (0.1 mQ or more). 5) ROHM resistors have obtained ISO9001 / IATF16949 certification. www.rohm.com © 2023 ROHM Co., Ltd. All rights reserved.

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® : Resistive metal element © : Terminal (Cu)

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●Derating curve When the each rated terminal temperature exceeds , power dissipation must be adjusted according to the derating curve below Fig.2. ～ Fig.24. The measurement part of terminal temperature is center of the terminal with load. (Measuring part of terminal temperature, see Fig.1) Fig.1 Part of measuring terminal temperature (Surface) Measuring part Measuring part (Cross section) www.rohm.com © 2023 ROHM Co., Ltd. All rights reserved.

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■PSR100 Conditions When the terminal temperature exceeds 120°C, the load shall be derated in accordance with Fig.2 Fig.2 Items Rated power 0.2mΩ Specifications P120°C=12W at -65 ～ 120°C (Terminal temperature) When the terminal temperature exceeds 75°C and 140°C, the load shall be derated in accordance with Fig.3 Fig.3 10 When the terminal temperature exceeds 75°C and 140℃, the load shall be derated in accordance with Fig.4 Fig.4 10 Rated power （W） When the terminal temperature exceeds 75°C and 140°C, the load shall be derated in accordance with Fig.5 Fig.5 Rated power （W） When the terminal...

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When the terminal temperature exceeds 100°C, the load shall be derated in accordance with Fig.10 Fig.10 Rated voltage Rated current Rated voltage and current are determined by the following formula. E : Rated voltage (V) I : Rated current (A) P : Rated power (W) R : Resistance (0) www.rohm.com © 2023 ROHM Co., Ltd. All rights reserved.

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■PSR350 Conditions When the terminal temperature exceeds 120°C, the load shall be derated in accordance with Fig.11 Fig.11 Items Rated power 0.27mΩ Specifications P120°C=12W at -65 ～ 120°C (Terminal temperature) Rated voltage Rated current Rated voltage and current are determined by the following formula. E : Rated voltage (V) I : Rated current (A) P : Rated power (W) R : Resistance (Ω) www.rohm.com © 2023 ROHM Co., Ltd. All rights reserved.

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When the terminal temperature exceeds 75°C and 130°C, the load shall be derated in accordance with Fig.12 Fig.12 14 Rated power (W) Items Rated power 0.2mΩ When the terminal temperature exceeds 75°C and 130°C, the load shall be derated in accordance with Fig.13 Fig.13 When the terminal temperature exceeds 75°C and 130°C, the load shall be derated in accordance with Fig.14 Fig.14 12 10 8 When the terminal temperature exceeds 75℃ and 130°C, the load shall be derated in accordance with Fig.15 10 Fig.15 8 6 When the terminal temperature exceeds 75°C and 115°C, the load shall be derated in...

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When the terminal temperature exceeds 75°C and 120°C, the load shall be derated in accordance with Fig.18 Fig.18 When the terminal temperature exceeds 75°C and 120°C, the load shall be derated in accordance with Fig.19 Fig.19 When the terminal temperature exceeds 75°C and 120°C, the load shall be derated in accordance with Fig.20 Fig.20 When the terminal temperature exceeds 75°C and 120°C, the load shall be derated in accordance with Fig.21 Fig.21 When the terminal temperature exceeds 75°C and 120°C, the load shall be derated in accordance with Fig.23 Fig.23 When the terminal temperature...

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PSR series Table 2 : Test condition of endurance (terminal temperature) Part No. Test condition Tk = 120°C, Rated pow er 1.5h:ON－0.5h:OFF Test time：1,000h Tk = 120°C, Rated pow er 1.5h:ON－0.5h:OFF Test time：1,000h Tk = 100°C, Rated pow er 1.5h:ON－0.5h:OFF Test time：1,000h Tk = 120°C, Rated pow er 1.5h:ON－0.5h:OFF Test time：1,000h

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1. If you intend to use our Products in devices requiring extremely high reliability (such as medical equipment (Note 1), aircraft/spacecraft, nuclear power controllers, etc.) and whose malfunction or failure may cause loss of human life, bodily injury or serious damage to property (“Specific Applications”), please consult with the ROHM sales representative in advance. Unless otherwise agreed in writing by ROHM in advance, ROHM shall not be in any way responsible or liable for any damages, expenses or losses incurred by you or third parties arising from the use of any ROHM's Products for...

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Precautions Regarding Application Examples and External Circuits 1. If change is made to the constant of an external circuit, please allow a sufficient margin considering variations of the characteristics of the Products and external components, including transient characteristics, as well as static characteristics. You agree that application notes, reference designs, and associated data and information contained in this document are presented only as guidance for Products use. Therefore, in case you use such information, you are solely responsible for it and you must exercise your own...

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Datasheet General Precaution 1. Before you use our Products, you are requested to carefully read this document and fully understand its contents. ROHM shall not be in any way responsible or liable for failure, malfunction or accident arising from the use of any ROHM’s Products against warning, caution or note contained in this document. 2. All information contained in this document is current as of the issuing date and subject to change without any prior notice. Before purchasing or using ROHM’s Products, please confirm the latest information with a ROHM sales representative. The...

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PSR series 17Pages

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PSR series
17Pages