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Class-D Amplifier Module

Assembly

Integrated PWM modulator and MOSFET bridge delivering switching output at 250 kHz carrier frequency, filtered to audio by LC output network. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Class-D Amplifier Module parts and their functions

5 top-level parts · 6 parts in total · full bill of materials below
Class-D Amplifier Module parts diagram: 1 class-D PWM controller IC, 2 IGBT power module, 3 LC output filter, 4 output isolation transformer, 5 thermal fuse. 6 parts in 5 top-level items.
Class-D Amplifier Module parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Class-D PWM Controller IC 1× Class-D PWM IC with integrated gate drivers
2 IGBT Power Module 2× High-current MOSFET half-bridge pair per channel, 0.3 Ω RdsOn max
3 LC Output Filter 1× L-C filter (inductor + capacitor) attenuating 250 kHz switching frequency
4 Output Isolation Transformer 1× Optional: isolation transformer for floating speaker output
5 Thermal Fuse 1× Protection device limiting channel current

3D model

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Build & assembly graph

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Bill of materials for Class-D Amplifier Module

5 top-level lines · 5 rows shown · 6 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Class-D PWM Controller IC pro-power-amplifier-pwm-controller 1× 1 · part
2 IGBT Power Module igbt-module 2× 2 · part
3 LC Output Filter pro-power-amplifier-output-filter 1× 1 · part
4 Output Isolation Transformer pro-power-amplifier-output-transformer 1× 1 · part
5 Thermal Fuse thermal-fuse 1× 1 · part

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Where the class-D amplifier module is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks