Name: HMA121D
Brand: Fairchild/ON Semiconductor
SKU: HMA121D
Availability: InStock
Rating: 5 (91 reviews)

HMA121D

For Reference Only

Part Number	HMA121D
Manufacturer	Fairchild/ON Semiconductor
Description	OPTOISO 3.75KV TRANSISTOR 4SMD
Datasheet	HMA121D Datasheet HMA121D Specifications
Package	4-SMD, Gull Wing
ECAD
In Stock	3,562 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 3 - May 8 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # HMA121D (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 HMA121D specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add HMA121D with quantity into BOM. Heisener.com does NOT require any registration to request a quote of HMA121D.

HMA121D 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)	100% @ 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

HMA121D Datasheet

HMA121D Reviews

Kor*****awson

April 9, 2023

★ ★ ★ ★ ★

I am always amazed at the cost of automotive or marine costs when a rectifier is needed while these will do the exact same thing if you are a bit technically minded to wire them up.

Amay*****eber

April 2, 2023

★ ★ ★ ★ ★

Easy to browse and order. You have everything I want. I compared the prices and services with others and found you're the best choice.

Rand*****Kibe

March 29, 2023

★ ★ ★ ★ ★

Sure appreciate your quality, expertise and professional service. Thank you so much!!!

Hugo*****irre

March 8, 2023

★ ★ ★ ★ ★

I'm so sure that you're beating your competitor on delivery!

Hal*****Avery

March 5, 2023

★ ★ ★ ★ ★

Used these for a solar project, and they are working great.

Kasht*****vidson

March 4, 2023

★ ★ ★ ★ ★

I always have good experiences in dealing with Heisener Electronics. They have the components I need in stock, their search function is great, and shipping is fast and always as promised.

Jessi*****uirre

March 3, 2023

★ ★ ★ ★ ★

Quality made product satisfied with my purchase. Thanks.

Ada*****ese

March 2, 2023

★ ★ ★ ★ ★

very pleased with item, thank you.

Jerem*****atthai

February 26, 2023

★ ★ ★ ★ ★

Purchasing from Heisener means the real part is obtained no worried for product quality.

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HMA121D Packaging

HMA121D FAQ

1. How to order HMA121D 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 HMA121D is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the HMA121D. All suppliers must pass our qualification reviews before they can publish their products including HMA121D on Heisener; we pay more attention to the channels and quality of HMA121D products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the HMA121D price and inventory displayed accurate?

The price and inventory of HMA121D 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 HMA121D?

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 HMA121D we delivered, we will accept the replacement or return of the HMA121D 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 HMA121D.

(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 HMA121D pin diagram, HMA121D datasheet?

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

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HMA121D 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
HMA121DR2	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR3V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DV	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR3	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR1	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR4	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR1V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR4V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121D	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR2V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0

Part Number	Manufacturer	Description	Stock
HMA121DR2 D# HMA121DR2-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR3V D# HMA121DR3V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DV D# HMA121DV-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR3 D# HMA121DR3-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR1 D# HMA121DR1-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR4 D# HMA121DR4-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR1V D# HMA121DR1V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR4V D# HMA121DR4V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121D D# HMA121D-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
HMA121DR2V D# HMA121DR2V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0

Part Number	Manufacturer	Description	Stock
HMA121D D# NS-HMA121D	Fairchild Semiconductor Corporation	OEM/CM ONLY	7977
HMA121DV D# NS-HMA121DV	Fairchild Semiconductor Corporation	OEM/CM ONLY	9931
HMA121DR4V D# NS-HMA121DR4V	Fairchild Semiconductor Corporation	OEM/CM ONLY	2941

Part Number

Manufacturer

Description

Stock

HMA121DR1

Fairchild Semiconductor Corporation

OEM/CM ONLY

2530

Part Number	Manufacturer	Description	Stock
HMA121DR2V	Fairchi	shipping today	36
HMA121DR3V	Fairchi	shipping today	36
HMA121DR4V	Fairchi	shipping today	31

Part Number

Manufacturer

Description

Stock

HMA121DR

Fairchild Semiconductor Corporation

RFQ

11634

Quick Inquiry

HMA121D

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