Win Source Part Number: 973269-RT5509WSC
Category: Integrated Circuits (ICs)>Linear - Amplifiers - Audio
Type: Class D
Features: I²C, I²S, Mute, PWM, Short-Circuit and Thermal Protection, Volume Control
Package: Tape & Reel
Standard Package: 1,500
Mounting: SMD (SMT)
Output Type: 1-Channel (Mono)
Max Output Power x Channels @ Load: 4.4W x 1 @ 8Ohm
Voltage - Supply: 1.71V ~ 2V
Package / Case: 48-UFBGA, WLCSP
Supplier Device Package: 48-WLCSP (3.04x2.99)
Temperature Range - Operating: -40°C ~ 85°C (TA)
ECCN: EAR99
Fake Threat In the Open Market: 60 pct.
MSL Level: 1 (Unlimited)
REACH Status: REACH Unaffected
HTSUS: 8542.33.0001
Mfr: Richtek USA Inc.
Other Names: RT5509WSCTR,RT5509WS
Base Product Number: RT5509
Amplifier IC 1-Channel (Mono) Class D 48-WLCSP (3.04x2.99)
Amplifier IC 1-Channel (Mono) Class D 48-WLCSP (3.04x2.99)
Amplifier IC 1-Channel (Mono) Class D 48-WLCSP (3.04x2.99)
Speaker Amplifier with Speaker Protection, WLCSP-48 Product overview: RT5509WSC from Richtek is an Audio Amplifier for embedded electronics, industrial equipment, maintenance repair, OEM production, and component sourcing. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include WLCSP. Search-friendly keywords include Audio Amplifier, Audio Amplifiers, electronic component, datasheet, replacement part, WLCSP. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 742-RT5509WSC can be used for catalog matching and distributor lookup.
IC AMP D MONO 4.4W WLCSP-48
IC AMP D MONO 4.4W WLCSP-48
AUDIO POWER AMPLIFIER, CLASS D, WLCSP-48; Amplifier Class:D; No. of Channels:1 Channel; Output Power:4.3W; Supply Voltage Range:2.7V to 5.5V; Amplifier Case Style:WLCSP; No. of Pins:48Pins; Load Impedance:8ohm; Product Range:-; MSL:-RoHS Compliant: Yes
Amplifier IC 1-Channel (Mono) Class D 48-WLCSP (3.04x2.99)
| Win Source Electronics | DigiKey | ERSAELECTRONICS PTE. LTD. | Lingto Electronic Limited | Shenzhen Shengyu Electronics Technology Limited | Newark, An Avnet Company | Quarktwin Technology Ltd. | |
|---|---|---|---|---|---|---|---|
| Product Category | Audio Amplifier Chips | Audio Amplifier Chips | Audio Amplifier Chips | Audio Amplifier Chips | Operational Amplifiers | Audio Amplifier Chips | Audio Amplifier Chips |
| Product Number | 973269-RT5509WSC | RT5509WSCTR-ND | 742-RT5509WSC | RT5509WSC | RT5509WSC | 56AC9226 | RT5509WSC |
| Product Name | Integrated Circuits (ICs) - Linear - Amplifiers - Audio | Audio Amplifiers | WLCSP Audio Amplifier | Linear - Amplifiers - Audio | Integrated Circuits (ICs) - Linear - Amplifiers | Audio Power Amplifier, Class D, Wlcsp-48; Amplifier Class Richtek | Audio Amplifiers |
| Supply Voltage (VS) | 1.71 to 2 volts | 1.71 to 2 volts | 1.71 to ? volts | 2 to 1.71 volts | 2.7 to 5.5 volts | 1.71 to 2 volts | |
| Output Power | 4.4 watts | 4.4 watts | 4.4 watts | 4.3 watts | 4.4 watts | ||
| Operating Temperature | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 C (-40 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | -40 to 85 C (-40 to 185 F) | |
| Operation Class | Class D | Class D | Class D | Class D | |||
| Package Type | 48-UFBGA, WLCSP | 48-UFBGA, WLCSP | 48-UFBGA, WLCSP | CSP; 48-UFBGA, WLCSP |
