Name: HMA121ER3
Brand: Fairchild/ON Semiconductor
SKU: HMA121ER3
Availability: InStock
Rating: 5 (157 reviews)

HMA121ER3

For Reference Only

Part Number	HMA121ER3
Manufacturer	Fairchild/ON Semiconductor
Description	OPTOISO 3.75KV TRANSISTOR 4SMD
Datasheet	HMA121ER3 Datasheet HMA121ER3 Specifications
Package	4-SMD, Gull Wing
ECAD
In Stock	3,996 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 23 - May 28 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # HMA121ER3 (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 HMA121ER3 specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add HMA121ER3 with quantity into BOM. Heisener.com does NOT require any registration to request a quote of HMA121ER3.

HMA121ER3 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)	150% @ 5mA
Current Transfer Ratio (Max)	300% @ 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

HMA121ER3 Datasheet

HMA121ER3 Reviews

Mus*****ash

April 2, 2023

★ ★ ★ ★ ★

This help solved the extra electricity flowing back.

Noe*****unlap

March 30, 2023

★ ★ ★ ★ ★

Good communication and fast shipping! Recommended!

Way*****Meda

March 29, 2023

★ ★ ★ ★ ★

Great capacitors. very fast post very good communication.

Cor*****Mitra

March 17, 2023

★ ★ ★ ★ ★

Item is as described and very good postage time. Thank you.

Rod***** Cobb

March 4, 2023

★ ★ ★ ★ ★

Great item and excellent seller! Would highly recommend. Thank you. Trustworthy

Hect*****raham

March 4, 2023

★ ★ ★ ★ ★

Work Great. Would recommend. Only used 2. So I have 248 extras. Best deal by far that's why I got these.

Rog*****Cox

March 2, 2023

★ ★ ★ ★ ★

Very happy for the fast shipping and good price!

Uriah*****kburn

February 25, 2023

★ ★ ★ ★ ★

Thanks a lot! Ease of ordering and I love when they upgrade my shipping for free. What a nice thing to do.

Solo*****Ayers

February 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.

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HMA121ER3 Packaging

HMA121ER3 FAQ

1. How to order HMA121ER3 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 HMA121ER3 is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the HMA121ER3. All suppliers must pass our qualification reviews before they can publish their products including HMA121ER3 on Heisener; we pay more attention to the channels and quality of HMA121ER3 products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the HMA121ER3 price and inventory displayed accurate?

The price and inventory of HMA121ER3 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 HMA121ER3?

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 HMA121ER3 we delivered, we will accept the replacement or return of the HMA121ER3 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 HMA121ER3.

(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 HMA121ER3 pin diagram, HMA121ER3 datasheet?

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

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HMA121ER3 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

HMA121ER3

Fairchild Semiconductor Corporation

OPTOISO 3.75KV TRANSISTOR 4SMD

HMA121ER3V

Fairchild Semiconductor Corporation

OPTOISO 3.75KV TRANSISTOR 4SMD

Part Number

Manufacturer

Description

Stock

HMA121ER3

D# HMA121ER3-ND

ON Semiconductor

OPTOISO 3.75KV TRANSISTOR 4SMD

HMA121ER3V

D# HMA121ER3V-ND

ON Semiconductor

OPTOISO 3.75KV TRANSISTOR 4SMD

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HMA121ER3

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