Name: LM4990LD
Brand: National Semiconductor
SKU: LM4990LD
Availability: InStock
Rating: 5 (112 reviews)

LM4990LD

Apenas para referência

Nº de peças	LM4990LD
Fabricante	National Semiconductor
Descrição	AUDIO AMPLIFIER, 2W, 1 CHANNEL(S
Ficha técnica
pacote	-
ECAD
Em estoque	0 piece(s)
Preço unitário	Request a Quote
Tempo de entrega	A ser confirmado
Tempo de entrega estimado	nov 18 - nov 23 (Escolha o envio acelerado)
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Métodos de Pagamento
Serviço de entrega

Estamos oferecendo para LM4990LD preço competitivo no mercado global, por favor, envie-nos um pedido de quota para os preços. Obrigado!
Para efectuar a sua RFQ, por favor, adicione LM4990LD com quantidade na BOM. Não Heisener.com não requer qualquer registo para solicitar um orçamento de LM4990LD.

Especificações do LM4990LD

Fabricante	National Semiconductor
Categoria	Circuitos integrados - Linear - Amplificadores - Áudio
pacote	-
ECAD
Series	Boomer®
Tipo	Class AB
Tipo de saída	1-Channel (Mono)
Potência Máx. De Saída x Canais @ Carga	2W x 1 @ 4Ohm
Tensão - fonte	2.2V ~ 5.5V
Características	-
Tipo de montagem	Surface Mount
Temperatura de operação	-40°C ~ 85°C (TA)
Pacote de Dispositivo do Fornecedor	10-WSON (3x4)
Pacote / caso	10-WFDFN Exposed Pad

LM4990LD Packaging

LM4990LD FAQ

1. How to order LM4990LD on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LM4990LD is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM4990LD. All suppliers must pass our qualification reviews before they can publish their products including LM4990LD on Heisener; we pay more attention to the channels and quality of LM4990LD products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM4990LD price and inventory displayed accurate?

The price and inventory of LM4990LD fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LM4990LD?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM4990LD we delivered, we will accept the replacement or return of the LM4990LD only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM4990LD.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LM4990LD pin diagram, LM4990LD datasheet?

If you need any after-sales service, please do not hesitate to contact us.

LM4990LD Garantias

Garantias de Serviço

Nós garantimos 100% de satisfação do cliente.

Nossa experiente equipe de vendas e suporte técnico apoiam nossos serviços para satisfazer todos os nossos clientes.

Garantias de qualidade

Nós fornecemos 90 dias de garantia.

Se os itens que você recebeu não fossem de perfeita qualidade, seríamos responsáveis pelo seu reembolso ou substituição, mas os itens devem ser devolvidos em sua condição original.

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LM4990LD

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O compromisso da Heisener com a qualidade moldou nossos processos de fornecimento, teste, expedição e cada passo intermediário. Essa base é subjacente a cada componente que vendemos.

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