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PRF18BE471RB5RB Datasheet(PDF) 15 Page - Murata Manufacturing Co., Ltd. |
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PRF18BE471RB5RB Datasheet(HTML) 15 Page - Murata Manufacturing Co., Ltd. |
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15 / 104 page  POSISTOR r for Circuit Protection Overcurrent Protection Chip Type Overcurrent Protection device with resettable function suitable for current limiting resistor. This product is a chip type PTC thermistor for overcurrent protection that is suitable for the following. · Countermeasure for short circuit testing · Current limiting resistor c Features 1. Rapid operation to protect the circuit in an overcurrent condition abnormality such as a short circuit. By removing the overcurrent condition, these products automatically return to the initial condition and can be used repeatedly. 2. Suitable for countermeasure to short circuit test in safety standard. 3. Stable resistance after operation due to ceramic PTC. 4. Similar size (0603 size) is possible due to the large capacity for electric power. 5. Possible to use these products as current limiting resistors with overcurrent protection functions 6. The SMD type's small size and light weight are helpful in miniaturizing the circuit. L Part Number LW T Dimensions (mm) eg 1.6±0.15 0.8±0.15 0.8±0.15 0.1 to 0.6 - 2.0±0.2 1.25±0.2 0.9±0.2 0.2 min. 0.5 min. 2.0±0.2 1.25±0.2 1.25±0.2 0.2 min. 0.5 min. PRG18_RB PRG21_RA PRG21_RK W e e g Chip Type 0603(1608) Size Part Number Max. Voltage (V) Hold Current (at +60°C) (mA) Hold Current (at +25°C) (mA) Trip Current (at +25°C) (mA) Trip Current (at -10°C) (mA) Max. Current (mA) Resistance (at +25°C) (ohm) PRG18BB471MB1RB 24 7 10 21 25 60 470 ±20% PRG18BB221MB1RB 24 10 14 29 35 130 220 ±20% PRG18BB101MB1RB 24 15 21 45 55 300 100 ±20% PRG18BB470MB1RB 24 20 29 61 75 630 47 ±20% PRG18BB330MB1RB 24 25 36 71 85 900 33 ±20% PRG18BC6R8MM1RB 20 80 120 260 320 3500 6.8 ±20% PRG18BC4R7MM1RB 20 100 155 330 400 5000 4.7 ±20% PRG18BC3R3MM1RB 16 120 180 400 480 6000 3.3 ±20% PRG18BC2R2MM1RB 12 150 220 500 600 6500 2.2 ±20% PRG18BC1R0MM1RB 6 220 330 740 850 7500 1.0 ±20% Maximum Current shows typical capacities of the transformer which can be used. This series is applied to reflow soldering. This series is recognized by UL. R90E.pdf Sep.24,2012 13 !Note • Please read rating and !CAUTION (for storage, operating, rating, soldering, mounting and handling) in this catalog to prevent smoking and/or burning, etc. • This catalog has only typical specifications. Therefore, please approve our product specifications or transact the approval sheet for product specifications before ordering. 1 |
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