Can I request technical information for UM1550B?

Yes. Contact our team for datasheets, package information, product specifications, alternative parts and sourcing support related to UM1550B.

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UM1550B Union Semiconductor International Limited product image

UM1550B Union Semiconductor International Limited

SOURCING SUPPORT

Need Help With UM1550B?

Contact our sourcing team for current stock, batch information, lead time, technical documents, alternative parts and volume pricing.

Stock & Batch Verification Confirm available quantity, date code and delivery schedule.

Alternative Part Sourcing Request compatible or replacement parts when stock is limited.

Quality & Packaging Check Confirm product condition, packaging type and shipment protection before dispatch.

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: Supplier Verification
Supplier review and component quality inspection support.

: Technical Documents
Datasheet and specification confirmation for engineers.

: One-Stop BOM Sourcing
Multi-part procurement and shortage sourcing assistance.

Union Semiconductor International Limited RFQ AVAILABLE

UM1550B

5V Input Ultra Low IQ LDO

Part Number: UM1550B

Manufacturer: Union Semiconductor International Limited

Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Package: TO-243AA

Datasheet:: UM1550B.pdf

Description: 5V Input Ultra Low IQ LDO

Select Quantity Stock: 10,000

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TECHNICAL RESOURCES

UM1550B Technical Information

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Specifications

Product Attribute: Attribute Value

Part Number: UM1550B

Manufacturer: Union Semiconductor International Limited

Package: TO-243AA

Series: UM1550

Package/Case: TO-243AA

Packaging: Tape & Reel (TR)

Product Status: Active

Output Configuration: Positive

Output Type: Fixed

Number of Regulators: 1

Voltage - Input (Max): 8V

Voltage - Output (Min/Fixed): -

Voltage - Output (Max): -

Voltage Dropout (Max): 0.3V @ 200mA

Current - Output: 300mA

Current - Quiescent (Iq): 3.5 µA

Current - Supply (Max): -

PSRR: 56dB ~ 42dB (100Hz ~ 1kHz)

Control Features: -

Protection Features: Over Current, Over Temperature

Operating Temperature: -40°C ~ 125°C (TJ)

Grade: -

Qualification: -

Mounting Type: Surface Mount

Supplier Device Package: SOT-89-3

Frequently Asked Questions

1. How can I order UM1550B from Haishengye Electronics?

Submit an RFQ directly on this page with your required quantity, target price and delivery requirements. Our sales team will review the request and provide a quotation.

2. How does Haishengye Electronics verify the quality of UM1550B?

We work with qualified suppliers and review sourcing channels, traceability, packaging and product condition before shipment.

3. Are the stock and price of UM1550B updated in real time?

Electronic component inventory and prices may change frequently. Displayed values are references, and final stock and pricing will be confirmed in the quotation.

4. Which payment methods are supported?

Wire Transfer, PayPal, Alipay, WeChat, Credit Card, Western Union, MoneyGram and Escrow may be supported depending on the order and destination.

5. How is international shipping arranged?

International shipping may be arranged through DHL, UPS, FedEx, TNT and other logistics channels. Tracking information will be provided after shipment.

6. What is the return or replacement process for UM1550B?

Contact our sales team within the agreed period if there are quantity differences, incorrect items or clear external defects. Products should remain unused and in their original packaging.

7. Can I request technical support for UM1550B?

Yes. Contact our team for datasheets, package details, product specifications, alternative parts and sourcing assistance.

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Packaging and Shipping Protection

Step 1 Product Inspection

Step 2 Casing & Dry Pipe

Step 3 Anti-static Bags

Step 4 Inner Carton

Step 5 Shipping Label

Step 6 International Delivery

Packaging may be adjusted according to product type, quantity, moisture sensitivity and destination requirements.

UM1550B Procurement and Technical Support

UM1550B is manufactured by Union Semiconductor International Limited. This page provides purchasing information including manufacturer, category, package, datasheet, stock reference, price reference and product specifications.

Haishengye Electronics supports customers sourcing UM1550B and related electronic components for prototype development, maintenance, NPI, production preparation and one-stop BOM procurement.

Submit an RFQ to request the latest stock, price, lead time, batch information, alternative parts, package confirmation or technical documents for UM1550B.

Part Number: UM1550B

Manufacturer: Union Semiconductor International Limited

Package: TO-243AA

Category: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Submit BOM RFQ Contact Sales

Payment Method

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Transaction fees are charged according to the selected bank or payment system rules.

Shipping Method

DHL

FedEx

UPS

TNT

Shipped From

Shenzhen warehouse

Dispatch Time

Usually 1–3 business days after confirmation

Lead Time

Shipping Fee

Calculated according to destination and parcel weight

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