Name: SMF4L12A
Brand: Littelfuse Inc.
SKU: SMF4L12A
Availability: InStock
Rating: 5 (193 reviews)

SMF4L12A

For Reference Only

Part Number	SMF4L12A
Manufacturer	Littelfuse Inc.
Description	TVS DIODES 12VWM 19.9VC SOD123FL
Datasheet	SMF4L12A Datasheet SMF4L12A Specifications
Package	SOD-123F
ECAD
In Stock	54,246 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 21 - May 26 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # SMF4L12A (TVS - Diodes) is manufactured by Littelfuse Inc. 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 SMF4L12A specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add SMF4L12A with quantity into BOM. Heisener.com does NOT require any registration to request a quote of SMF4L12A.

SMF4L12A Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - TVS - Diodes
Package	SOD-123F
ECAD
Series	SMF4L
Type	Zener
Unidirectional Channels	1
Bidirectional Channels	-
Voltage - Reverse Standoff (Typ)	12V
Voltage - Breakdown (Min)	13.3V
Voltage - Clamping (Max) @ Ipp	19.9V
Current - Peak Pulse (10/1000µs)	20.1A
Power - Peak Pulse	400W
Power Line Protection	No
Applications	General Purpose
Capacitance @ Frequency	-
Operating Temperature	-55°C ~ 150°C (TJ)
Mounting Type	Surface Mount
Package / Case	SOD-123F
Supplier Device Package	SOD-123FL

SMF4L12A Datasheet

SMF4L12A Reviews

Emme***** Horn

April 6, 2023

★ ★ ★ ★ ★

Bought these to help prevent solar panels from feeding back. Works great and doesn't get as hot.

Caspi*****wnsend

April 6, 2023

★ ★ ★ ★ ★

Tested one of them and works good.

Hadl***** Shah

April 4, 2023

★ ★ ★ ★ ★

These are high quality connectors. They work as you would expect them to. There is not much else you can say about them.

Malea*****haria

February 24, 2023

★ ★ ★ ★ ★

Worked very well! I would highly recommend buying.

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SMF4L12A Packaging

SMF4L12A FAQ

1. How to order SMF4L12A 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 SMF4L12A is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the SMF4L12A. All suppliers must pass our qualification reviews before they can publish their products including SMF4L12A on Heisener; we pay more attention to the channels and quality of SMF4L12A products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the SMF4L12A price and inventory displayed accurate?

The price and inventory of SMF4L12A 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 SMF4L12A?

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 SMF4L12A we delivered, we will accept the replacement or return of the SMF4L12A 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 SMF4L12A.

(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 SMF4L12A pin diagram, SMF4L12A datasheet?

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

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SMF4L12A 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
TPSMF4L12A D# V72:2272_16265594	Littelfuse Inc	TVS Diode Single Uni-Dir 12V 2KW Automotive 2-Pin SOD-123F T/R	0
SMF4L12A-Q D# V72:2272_23375618	Bourns Inc	TVS Diode Single Uni-Dir 12V 400W Automotive 2-Pin SOD-123FL T/R	0
SMF4L12A D# V72:2272_23375640	Bourns Inc	TVS Diode Single Uni-Dir 12V 400W 2-Pin SOD-123FL T/R	0

Part Number

Manufacturer

Description

Stock

SMF4L12A-Q

D# SMF4L12A-Q

Bourns Inc

Diode TVS Single Uni-Dir 12V 400W 2-Pin SOD-123FL T/R - Tape and Reel (Alt: SMF4L12A-Q)

RoHS: Compliant

SMF4L12A

D# SMF4L12A

Bourns Inc

Diode TVS Single Uni-Dir 12V 400W 2-Pin SOD-123FL T/R - Tape and Reel (Alt: SMF4L12A)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

SMF4L12A-Q

D# SMF4L12A-Q

Bourns Inc

Diode TVS Single Uni-Dir 12V 400W 2-Pin SOD-123FL T/R (Alt: SMF4L12A-Q)

RoHS: Compliant

SMF4L12A

D# SMF4L12A

Bourns Inc

Diode TVS Single Uni-Dir 12V 400W 2-Pin SOD-123FL T/R (Alt: SMF4L12A)

RoHS: Compliant

Part Number

Manufacturer

Description

Stock

SMF4L12A

Littelfuse Inc

2887

Part Number

Manufacturer

Description

Stock

SMF4L12A

D# F7467CT-ND

Littelfuse Inc

TVS DIODE 12V 19.9V SOD123FL

630

TPSMF4L12A

D# F7523TR-ND

Littelfuse Inc

TVS DIODE 12V 19.9V SOD123FL

Part Number

Manufacturer

Description

Stock

SMF4L12A

D# 3107487RL

Bourns Inc

TVS DIODE, 2KW, 12V, UNIDIR, SOD-123FL

RoHS: Compliant

Min Qty: 5

Container: Reel

TPSMF4L12A

D# 2773908RL

Littelfuse Inc

TVS DIODE, AEC-Q101, 2KW, 12V, SOD-123FL

RoHS: Compliant

Min Qty: 5

Container: Reel

Part Number

Manufacturer

Description

Stock

SMF4L12A

Littelfuse Inc

Diode TVS Single Uni-Dir 12V 400W T/R

RoHS: Contact Manufacturer

pbFree: Yes

TPSMF4L12A

Littelfuse Inc

TVS DIODE 12VWM 19.9VC SOD123FL

RoHS: Compliant

pbFree: Yes

Part Number

Manufacturer

Description

Stock

SMF4L12A

Littelfuse Inc

OEM/CM Immediate delivery

30000

Part Number

Manufacturer

Description

Stock

SMF4L12A

D# 652-SMF4L12A

Bourns Inc

ESD Suppressors / TVS Diodes TVS 400W UNI

RoHS: Compliant

1170

Part Number	Manufacturer	Description	Stock
TPSMF4L12A D# 34AC6832	Littelfuse Inc	TVS TPSMF4L 12V Uni, 7 TR / TR RoHS: Not Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0
SMF4L12A-Q D# 33AH9497	Bourns Inc	DIO TVS VWM 12V 400W UNI SMF AEC-Q RoHS: Not Compliant Min Qty: 10000 Container: Bulk	0
SMF4L12A D# 34AC6103	Littelfuse Inc	TVS SMF4L 12V Uni, 7 TR / TR RoHS Compliant: Yes RoHS: Compliant Min Qty: 3000 Container: TAPE & REEL - FULL	0

Part Number

Manufacturer

Description

Stock

SMF4L12A

D# 1871418

Bourns Inc

Bourns SMF4L12A, Uni-Directional TVS Diode, 400W, 2-Pin SOD-123FL, RL

Min Qty: 2500

Container: Reel

1900

Part Number	Manufacturer	Description	Stock
SMF4L12A	Bourns Inc	OEM/CM ONLY	2958
TPSMF4L12AOZD	Littelfuse Inc	OEM/CM ONLY	696
TPSMF4L12A	Littelfuse Inc	OEM/CM ONLY	728

Part Number

Manufacturer

Description

Stock

SMF4L12A

Littelfuse Inc

IN stock Immediate delivery

29985

Part Number	Manufacturer	Description	Stock
SMF4L12A-Q	Bourns Inc	ESD Suppressors / TVS Diodes TVS 400W UNI pbFree: Pb-Free	0
SMF4L12A	Bourns Inc	ESD Suppressors / TVS Diodes TVS 400W UNI pbFree: Pb-Free	0
TPSMF4L12A	Littelfuse Inc	ESD Suppressors / TVS Diodes 2kW 12V AEC-Q101 5% Uni-Directional	0
TPSMF4L12A.	Littelfuse Inc	ESD Suppressors / TVS Diodes TVS 400W UNI pbFree: Pb-Free	0

Part Number

Manufacturer

Description

Stock

SMF4L12A

D# 33635897

Bourns Inc

TVS Diode Single Uni-Dir 12V 400W 2-Pin SOD-123FL T/R

Part Number

Manufacturer

Description

Stock

SMF4L12A

D# 3107487

Bourns Inc

TVS DIODE, 2KW, 12V, UNIDIR, SOD-123FL

RoHS: Compliant

Min Qty: 5

Container: Cut Tape

TPSMF4L12A

D# 2773908

Littelfuse Inc

TVS DIODE, AEC-Q101, 2KW, 12V, SOD-123FL

RoHS: Compliant

Min Qty: 5

Container: Cut Tape

647

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SMF4L12A

Certified Quality

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