Name: HMA121A
Brand: Fairchild/ON Semiconductor
SKU: HMA121A
Availability: InStock
Rating: 5 (107 reviews)

HMA121A

For Reference Only

Part Number	HMA121A
Manufacturer	Fairchild/ON Semiconductor
Description	OPTOISO 3.75KV TRANSISTOR 4SMD
Datasheet	HMA121A Datasheet HMA121A Specifications
Package	4-SMD, Gull Wing
ECAD
In Stock	79,992 piece(s)
Unit Price	Request a Quote
Lead Time	Can Ship Immediately
Estimated Delivery Time	Jun 1 - Jun 6 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # HMA121A (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 HMA121A specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add HMA121A with quantity into BOM. Heisener.com does NOT require any registration to request a quote of HMA121A.

HMA121A 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)	100% @ 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

HMA121A Datasheet

HMA121A Reviews

Grace*****aharaj

April 4, 2023

★ ★ ★ ★ ★

Items arrived well pakaged, reasonable postage and as described. Top seller

Sele*****ndra

March 20, 2023

★ ★ ★ ★ ★

Packing good, very happy with goods, Very fast delivery, good service. Thanks

Ada***** Beck

March 16, 2023

★ ★ ★ ★ ★

Website and order clear, concise and user friendly. Thanks!

Mais*****ayes

March 14, 2023

★ ★ ★ ★ ★

What I like was it was shipped fast and no damage.

Magnu*****donald

March 13, 2023

★ ★ ★ ★ ★

Items as described, quick dispatch, took a while with shipment.

Tor*****orar

March 13, 2023

★ ★ ★ ★ ★

Excellent service over extended period of time. Incredibly fast shipping, never any errors. Couldn't be more pleased.

Anna***** Evans

February 28, 2023

★ ★ ★ ★ ★

Very friendly online shopping site - easy to navigate and it keeps vital datasheet for each product online purchase.

Rodr*****Gola

February 26, 2023

★ ★ ★ ★ ★

Received Quickly. Excellent Communication. Capacitors Look Excellent.

Ell*****avid

February 23, 2023

★ ★ ★ ★ ★

Always have what I need, fast and easy for making an order, fast shipping and great service! That about covers it! Many Thanks!

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HMA121A Packaging

HMA121A FAQ

1. How to order HMA121A 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 HMA121A is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the HMA121A. All suppliers must pass our qualification reviews before they can publish their products including HMA121A on Heisener; we pay more attention to the channels and quality of HMA121A products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the HMA121A price and inventory displayed accurate?

The price and inventory of HMA121A 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 HMA121A?

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 HMA121A we delivered, we will accept the replacement or return of the HMA121A 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 HMA121A.

(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 HMA121A pin diagram, HMA121A datasheet?

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

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HMA121A 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
HMA121AR2	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121A	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR1V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR3V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR4V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR2V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR3	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR4	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AV	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR1	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0

Part Number	Manufacturer	Description	Stock
HMA121AR1V D# HMA121AR1V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR3V D# HMA121AR3V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR4V D# HMA121AR4V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR2V D# HMA121AR2V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR3 D# HMA121AR3-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR1 D# HMA121AR1-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR4 D# HMA121AR4-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AV D# HMA121AV-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121A D# HMA121A-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121AR2 D# HMA121AR2-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0

Part Number

Manufacturer

Description

Stock

HMA121A

Fairchild Semiconductor Corporation

In stock shipping within 2days

190

Part Number

Manufacturer

Description

Stock

HMA121A

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

136

HMA121AR1

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

22300

Part Number	Manufacturer	Description	Stock
HMA121A-R2 D# NS-HMA121A-R2	Microsemi-IPG	OEM/CM ONLY	4207
HMA121A D# NS-HMA121A	Fairchild Semiconductor Corporation	OEM/CM ONLY	7976
HMA121AV D# NS-HMA121AV	Fairchild Semiconductor Corporation	OEM/CM ONLY	2899

Part Number

Manufacturer

Description

Stock

HMA121A

Fairchild Semiconductor Corporation

3573

Part Number

Manufacturer

Description

Stock

HMA121AR2

Fairchild Semiconductor Corporation

OEM/CM ONLY

1038

HMA121A

Fairchild Semiconductor Corporation

OEM/CM ONLY

5108

Part Number

Manufacturer

Description

Stock

HMA121A

Fairchild Semiconductor Corporation

IN stock Immediate delivery

131

HMA121AR1

Fairchild Semiconductor Corporation

IN stock Immediate delivery

22285

Part Number

Manufacturer

Description

Stock

HMA121A

Fairchild Semiconductor Corporation

shipping today

Part Number

Manufacturer

Description

Stock

HMA121AR2

Fairchild Semiconductor Corporation

RFQ

10190

HMA121A

Fairchild Semiconductor Corporation

RFQ

8478

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HMA121A

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