Name: FODM121B
Brand: Fairchild/ON Semiconductor
SKU: FODM121B
Availability: InStock
Rating: 5 (157 reviews)

FODM121B

For Reference Only

Part Number	FODM121B
Manufacturer	Fairchild/ON Semiconductor
Description	OPTOISO 3.75KV TRANSISTOR 4SMD
Datasheet	FODM121B Datasheet FODM121B Specifications
Package	4-SMD, Gull Wing
ECAD
In Stock	20,544 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 28 - May 3 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # FODM121B (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 FODM121B specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add FODM121B with quantity into BOM. Heisener.com does NOT require any registration to request a quote of FODM121B.

FODM121B 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 ~ 110°C
Mounting Type	Surface Mount
Package / Case	4-SMD, Gull Wing
Supplier Device Package	4-Mini-Flat

FODM121B Datasheet

FODM121B Reviews

Daws*****unez

March 19, 2023

★ ★ ★ ★ ★

Nice to have an assortment on hand, just in case. Happy with this purchase.

Bray*****Lester

March 8, 2023

★ ★ ★ ★ ★

Awesome buying experience, smooth transmission with the seller, and fast delivery.

Write a Review

★★★★★

Not Rated

Thanks for Your Review!

FODM121B Packaging

FODM121B FAQ

1. How to order FODM121B 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 FODM121B is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the FODM121B. All suppliers must pass our qualification reviews before they can publish their products including FODM121B on Heisener; we pay more attention to the channels and quality of FODM121B products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the FODM121B price and inventory displayed accurate?

The price and inventory of FODM121B 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 FODM121B?

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 FODM121B we delivered, we will accept the replacement or return of the FODM121B 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 FODM121B.

(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 FODM121B pin diagram, FODM121B datasheet?

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

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FODM121B 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

FODM121BR2

D# V79:2366_17787573

ON Semiconductor

DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R

RoHS: Compliant

FODM121B

D# V36:1790_06301179

ON Semiconductor

DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

FODM121BR2

D# FODM121BR2

ON Semiconductor

Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R - Tape and Reel (Alt: FODM121BR2)

RoHS: Compliant

FODM121B

D# FODM121B

ON Semiconductor

Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Box - Bulk (Alt: FODM121B)

Part Number

Manufacturer

Description

Stock

FODM121BR2

D# FODM121BR2

ON Semiconductor

Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R (Alt: FODM121BR2)

Part Number

Manufacturer

Description

Stock

FODM121B

D# FODM121B

ON Semiconductor

Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Box (Alt: FODM121B)

FODM121BR2

D# FODM121BR2

ON Semiconductor

Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R (Alt: FODM121BR2)

Part Number	Manufacturer	Description	Stock
FODM121BR2V	Fairchild Semiconductor Corporation	Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R	0
FODM121BV	Fairchild Semiconductor Corporation	Optocoupler DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Box	0
FODM121BR2	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
FODM121BR1V	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
FODM121BR1	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0
FODM121B	Fairchild Semiconductor Corporation	OPTOISO 3.75KV TRANSISTOR 4SMD	0

Part Number	Manufacturer	Description	Stock
FODM121BR2V D# FODM121BR2V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
FODM121BR2 D# FODM121BR2CT-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	2644
FODM121BV D# FODM121BV-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
FODM121BR1V D# FODM121BR1V-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0
FODM121B D# 2156-FODM121B-ND	Rochester Electronics LLC	TRANSISTOR OUTPUT OPTOCOUPLER, 3	11509
FODM121BR1 D# FODM121BR1-ND	ON Semiconductor	OPTOISO 3.75KV TRANSISTOR 4SMD	0

Part Number

Manufacturer

Description

Stock

FODM121BR2

Fairchild Semiconductor Corporation

In stock shipping within 2days

9983

FODM121B

Fairchild Semiconductor Corporation

In stock shipping within 2days

1500

Part Number

Manufacturer

Description

Stock

FODM121B

D# 3614691

ON Semiconductor

OPTOCOUPLER, TRANSISTOR, 3.75KV, SOP-4

RoHS: Compliant

Min Qty: 3000

Container: Tube

FODM121BR2

D# 3368572

ON Semiconductor

OPTOCPLR, TRANSISTOR, 3.75KV, MINIFLAT-4

RoHS: Compliant

Min Qty: 5

Container: Cut Tape

2260

Part Number

Manufacturer

Description

Stock

FODM121B

ON Semiconductor

FODM121 Series Single Channel 80 V 3750 Vrms Optocoupler - MFP-4

RoHS: Compliant

pbFree: Yes

FODM121BR2

ON Semiconductor

FODM121B Series 3750 Vrms 50% CTR Transistor Output Optocoupler SMT - MFP-4

RoHS: Compliant

pbFree: Yes

7500

Part Number

Manufacturer

Description

Stock

FODM121B

Fairchild Semiconductor Corporation

OEM/CM Immediate delivery

100

Part Number

Manufacturer

Description

Stock

FODM121BR2

D# 512-FODM121BR2

ON Semiconductor

Transistor Output Optocouplers Phototrans Ouput MFP Input

RoHS: Compliant

3029

FODM121B

D# 512-FODM121B

ON Semiconductor

Transistor Output Optocouplers Full pitch MFP PhotoTrans Ouput

RoHS: Compliant

2073

Part Number

Manufacturer

Description

Stock

FODM121BR2

D# XSFP00000110907

Fairchild Semiconductor Corporation

FODM121B Series 3750 Vrms 50% CTR Transistor Output Optocoupler SMT - MFP-4

10000

Part Number

Manufacturer

Description

Stock

FODM121B

D# 78M0999

ON Semiconductor

OPTOCOUPLER, PHOTOTRANS O/P, 3.75KV, MINIFLAT-4, No. of Channels:1 Channel, Optocoupler Case Style:SOP, No. of Pins:4Pins, Forward Current If Max:50mA, Isolation Voltage:3.75kV, CTR Min:50%, Collector Emitter Voltage V(br)ceo:80V RoHS Compliant: Yes

RoHS: Compliant

Min Qty: 3000

Container: Bulk

FODM121BR2

D# 54AH8722

ON Semiconductor

OPTOCPLR, TRANSISTOR, 3.75KV, MINIFLAT-4 ROHS COMPLIANT: YES

RoHS: Compliant

Min Qty: 5

Container: Cut Tape

2260

Part Number	Manufacturer	Description	Stock
FODM121BR2 D# NS-FODM121BR2	Fairchild Semiconductor Corporation	OEM/CM ONLY	5555
FODM121BV D# NS-FODM121BV	Fairchild Semiconductor Corporation	OEM/CM ONLY	9243
FODM121BR2V D# NS-FODM121BR2V	Fairchild Semiconductor Corporation	OEM/CM ONLY	7395
FODM121BR1V D# NS-FODM121BR1V	Fairchild Semiconductor Corporation	OEM/CM ONLY	9218
FODM121B D# NS-FODM121B	Fairchild Semiconductor Corporation	OEM/CM ONLY	2965
FODM121BR1 D# NS-FODM121BR1	Fairchild Semiconductor Corporation	OEM/CM ONLY	2448

Part Number

Manufacturer

Description

Stock

FODM121BR2

D# 8088859

ON Semiconductor

ON Semiconductor, FODM121BR2 DC Input Phototransistor Output Optocoupler, Surface Mount, 4-Pin MFP, PK

Min Qty: 20

Container: Package

1720

Part Number

Manufacturer

Description

Stock

FODM121BR2

ON Semiconductor

Transistor Output Optocoupler, 3750V Isolation

RoHS: Compliant

12500

FODM121B

Fairchild Semiconductor Corporation

Transistor Output Optocoupler, 3750V Isolation

RoHS: Compliant

11509

Part Number

Manufacturer

Description

Stock

FODM121BR2

Fairchild Semiconductor Corporation

OEM/CM ONLY

7516

FODM121B

Fairchild Semiconductor Corporation

OEM/CM ONLY

3095

Part Number

Manufacturer

Description

Stock

FODM121B

Fairchild Semiconductor Corporation

IN stock Immediate delivery

Part Number

Manufacturer

Description

Stock

FODM121BR2

D# 26023881

ON Semiconductor

DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat T/R

RoHS: Compliant

FODM121B

D# 31283783

ON Semiconductor

DC-IN 1-CH Transistor DC-OUT 4-Pin Mini-Flat Tube

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

FODM121BV

Fairchild Semiconductor Corporation

RFQ

11797

Part Number

Manufacturer

Description

Stock

FODM121BR2

D# 3368572

ON Semiconductor

OPTOCPLR, TRANSISTOR, 3.75KV, MINIFLAT-4

RoHS: Compliant

Min Qty: 5

Container: Cut Tape

2260

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FODM121B

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