Name: HMA121BR4
Brand: Fairchild/ON Semiconductor
SKU: HMA121BR4
Availability: InStock
Rating: 5 (130 reviews)

HMA121BR4

For Reference Only

Part Number	HMA121BR4
Manufacturer	Fairchild/ON Semiconductor
Description	OPTOISO 3.75KV TRANSISTOR 4SMD
Datasheet	HMA121BR4 Datasheet HMA121BR4 Specifications
Package	4-SMD, Gull Wing
ECAD
In Stock	3,636 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 29 - May 4 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # HMA121BR4 (Optoisolators - Transistor, Photovoltaic Output) is manufactured by Fairchild/ON Semiconductor and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

For HMA121BR4 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add HMA121BR4 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of HMA121BR4.

HMA121BR4 Specifications

Manufacturer	Fairchild/ON Semiconductor
Category	Isolators - Optoisolators - Transistor, Photovoltaic Output
Package	4-SMD, Gull Wing
ECAD
Series	-
Number of Channels	1
Voltage - Isolation	3750Vrms
Current Transfer Ratio (Min)	50% @ 5mA
Current Transfer Ratio (Max)	150% @ 5mA
Turn On / Turn Off Time (Typ)	-
Rise / Fall Time (Typ)	3µs, 3µs
Input Type	DC
Output Type	Transistor
Voltage - Output (Max)	80V
Current - Output / Channel	80mA
Voltage - Forward (Vf) (Typ)	1.3V (Max)
Current - DC Forward (If) (Max)	50mA
Vce Saturation (Max)	400mV
Operating Temperature	-40°C ~ 100°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Supplier Device Package	4-Mini-Flat

HMA121BR4 Datasheet

HMA121BR4 Reviews

Bre*****Banik

April 4, 2023

★ ★ ★ ★ ★

Excellent ! HMA121BR4 item arrived very quickly and was packaged well, no issues.

Rey*****Sosa

April 3, 2023

★ ★ ★ ★ ★

Great product at a great price. They were so CHEAP.

Charl*****Kanda

April 1, 2023

★ ★ ★ ★ ★

Works great with an older drive in a newer computer.have not encountered any problems, Glad somebody is making these for all the older equipment.

Pat*****k Vo

March 24, 2023

★ ★ ★ ★ ★

Absolutely the best source for wire, connectors, terminal strips, panel lights, etc. for model railroaders. Web site is the best in the business.

Ezr*****hung

March 24, 2023

★ ★ ★ ★ ★

very pleased with item, thank you.

Kins*****Person

February 24, 2023

★ ★ ★ ★ ★

the parts work as they should. Amazing price perfect all round many thanks

Jax***** Sosa

February 19, 2023

★ ★ ★ ★ ★

Very Quick,no problems - Thank you.

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HMA121BR4 Packaging

HMA121BR4 FAQ

1. How to order HMA121BR4 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 HMA121BR4 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the HMA121BR4. All suppliers must pass our qualification reviews before they can publish their products including HMA121BR4 on Heisener; we pay more attention to the channels and quality of HMA121BR4 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the HMA121BR4 price and inventory displayed accurate?

The price and inventory of HMA121BR4 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 HMA121BR4?

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 HMA121BR4 we delivered, we will accept the replacement or return of the HMA121BR4 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 HMA121BR4.

(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 HMA121BR4 pin diagram, HMA121BR4 datasheet?

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

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HMA121BR4 Guarantees

Service Guarantees

We guarantee 100% customer satisfaction.

Our experienced sales team and tech support team back our services to satisfy all our customers.

Quality Guarantees

We provide 90 days warranty.

If the items you received were not in perfect quality, we would be responsible for your refund or replacement, but the items must be returned in their original condition.

Global Supply Chains - Reliable and Authorized Distributor Resources

Part Number

Manufacturer

Description

Stock

HMA121BR4

Fairchild Semiconductor Corporation

OPTOISO 3.75KV TRANSISTOR 4SMD

HMA121BR4V

Fairchild Semiconductor Corporation

OPTOISO 3.75KV TRANSISTOR 4SMD

Part Number

Manufacturer

Description

Stock

HMA121BR4

D# HMA121BR4-ND

ON Semiconductor

OPTOISO 3.75KV TRANSISTOR 4SMD

HMA121BR4V

D# HMA121BR4V-ND

ON Semiconductor

OPTOISO 3.75KV TRANSISTOR 4SMD

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HMA121BR4

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