| 5VSB Circuit | | |
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| Secondary Side | | |
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| Primary Side | | |
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| General Data | | |
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| Corsair RM750 (2019) | Corsair RM750x (2018) |
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| Manufacturer (OEM) | CWT | CWT |
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| PCB Type | Double Sided | Double Sided |
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| Transient Filter | 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV | 4x Y caps, 2x X caps, 2x CM chokes, 1x MOV |
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| Inrush Protection | NTC Thermistor & Relay | NTC Thermistor & Relay |
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| Bridge Rectifier(s) | 2x GBU1506 (600V, 15A @ 100°C) | 2x GBU1506 (600V, 15A @ 100°C) |
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| APFC MOSFETS | 2x Infineon IPA60R190P6 (650V, 12.7A @ 100°C, 0.19Ohm) | 1x Power Integrations QH08TZ600 (600V, 8A @ 150°C) |
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| APFC Boost Diode | 1x Power Integrations QH08TZ600 (600V, 8A @ 95°C) | 1x Power Integrations QH08TZ600 (600V, 8A @ 150°C) |
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| Hold-up Cap(s) | 2x Su'scon (400V, 330uF each or 660uF combined, 2,000h @ 105°C, LZ) | 2x Nichicon (400V, 1x 470uF, 1x 390uF, 2000h @ 105°C, GG) |
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| Main Switchers | 2x Infineon IPA60R190P6 (650V, 12.7A @ 100°C, 0.19Ohm) | 2x Infineon IPA60R190P6 (650V, 12.7A @ 100°C, 0.190 Ohm) |
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| APFC Controller | Champion CM6500UNX & CM03X Green PFC Controller | Champion CM6500UNX |
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| Resonant Controllers | Champion CU6901V | Champion CM6901X |
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| Topology | Primary side: Half-Bridge & LLC converter Secondary side: Synchronous Rectification & DC-DC converters | Primary side: Half-Bridge & LLC Resonant Controller Secondary side: Synchronous Rectification & DC-DC converters |
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| +12V MOSFETS | 6x International Rectifier IRFH7004PBF (40V, 100A @ 25°C, 1.4mOhm) | 6x International Rectifier IRFH7004TRPBF (40V, 164A @ 100°C, 1.4 mOhm) |
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| 5V & 3.3V | DC-DC Converters: 2x UBIQ QM3054M6 (30V, 61A @ 100°C, 4.8mOhm) & 2x UBIQ QN3107M6N (30V, 70A @ 100°C, 2.6mOhm) PWM Controllers: uPI SEMI uP3861P | DC-DC Converters: 6x QM3006D (30V, 57A @ 100°C, 5.5 mOhm) PWM Controller: ANPEC APW7159 |
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| Filtering Capacitors | Electrolytics: 7x Elite (2-5,000h @ 105°C, EK), 1x Elite (4-10,000h @ 105°C, EY), 1x Elite (2,000h @ 105°C, PF), 2x Su'scon (2-5,000h @ 105°C, MF), 3x Su'scon (4-10,000h @ 105°C, HG) Polymers: Suncon, Elite, NIC | Electrolytics: Nippon Chemi-Con (1-5,000 @ 105°C, KZE), Nippon Chemi-Con (4-10,000 @ 105°C, KY) Polymers: FPCAP |
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| Supervisor IC | Weltrend WT7502 (OVP, UVP, SCP, PG) & LM393G | Weltrend WT7502 (OVP, UVP, SCP, PG) & LM393G |
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| Fan Controller | Microchip PIC16F1503 | PIC16F1503 |
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| Fan Model | Hong Hua HA1425M12F-Z (140mm, 12V, 0.36A, Rifle Bearing Fan) | NR135L (12V, 0.22A, Rifle Bearing) |
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| Rectifier | 1x Unisonic Technologies 4N65L (650V, 4A @ 25°C, 2.5Ohm) | ISD04N65A, QM3004D, LS64 10L45 SBR |
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| Standby PWM Controller | On - Bright OB5282 | On-Bright OB5269CP |
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