Name: S4040RQ
Brand: Littelfuse Inc.
SKU: S4040RQ
Availability: InStock
Rating: 5 (90 reviews)

S4040RQ

For Reference Only

Part Number	S4040RQ
Manufacturer	Littelfuse Inc.
Description	SCR 400V 40A LOW TQ TO220
Datasheet	S4040RQ Specifications
Package	TO-220-3
ECAD
In Stock	2,752 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	May 1 - May 6 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # S4040RQ (Thyristors - SCRs) 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 S4040RQ specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add S4040RQ with quantity into BOM. Heisener.com does NOT require any registration to request a quote of S4040RQ.

S4040RQ Specifications

Manufacturer	Littelfuse Inc.
Category	Discrete Semiconductor Products - Thyristors - SCRs
Package	TO-220-3
ECAD
Series	-
Voltage - Off State	400V
Voltage - Gate Trigger (Vgt) (Max)	1.5V
Current - Gate Trigger (Igt) (Max)	40mA
Voltage - On State (Vtm) (Max)	1.8V
Current - On State (It (AV)) (Max)	25A
Current - On State (It (RMS)) (Max)	40A
Current - Hold (Ih) (Max)	60mA
Current - Off State (Max)	10µA
Current - Non Rep. Surge 50, 60Hz (Itsm)	430A, 520A
SCR Type	Standard Recovery
Operating Temperature	-40°C ~ 125°C
Mounting Type	Through Hole
Package / Case	TO-220-3
Supplier Device Package	TO-220 Non-Isolated Tab

S4040RQ Reviews

Loga*****adshaw

April 9, 2023

★ ★ ★ ★ ★

2nd time buying these - quite good. Very fast shipping

Jeff*****Sharma

April 6, 2023

★ ★ ★ ★ ★

Best way to locate what I need, on a fast and efficient shipping! Keep up the good work!

Iman*****ldwell

April 5, 2023

★ ★ ★ ★ ★

Great service as always from this supplier. Already bought many times

Prin*****eiss

March 25, 2023

★ ★ ★ ★ ★

Fantastic quality products with fair and prompt shipping. Would save much time crossing all the features. Thank you for all your effort.

Hal*****Dave

March 24, 2023

★ ★ ★ ★ ★

Great condition, super kind person, quick shipping! and great price too!

Brix*****Virk

March 23, 2023

★ ★ ★ ★ ★

Very happy for the fast shipping and good price!

Elia*****iedman

March 2, 2023

★ ★ ★ ★ ★

Thousands of in stock parts with low cost shipping and standard quality.

Este*****Miller

February 24, 2023

★ ★ ★ ★ ★

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

Tatia*****ntana

February 20, 2023

★ ★ ★ ★ ★

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

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S4040RQ Packaging

S4040RQ FAQ

1. How to order S4040RQ 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 S4040RQ is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the S4040RQ. All suppliers must pass our qualification reviews before they can publish their products including S4040RQ on Heisener; we pay more attention to the channels and quality of S4040RQ products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the S4040RQ price and inventory displayed accurate?

The price and inventory of S4040RQ 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 S4040RQ?

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 S4040RQ we delivered, we will accept the replacement or return of the S4040RQ 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 S4040RQ.

(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 S4040RQ pin diagram, S4040RQ datasheet?

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

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S4040RQ 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
S4040RQ3TP	Littelfuse Inc		249
S4040RQ2	Littelfuse Inc		268
S4040RQ3	Littelfuse Inc		198

Part Number	Manufacturer	Description	Stock
S4040RQ2	Littelfuse Inc	SCR 400V 40A LOW TQ TO220	200
S4040RQ2TP	Littelfuse Inc	SCR 400V 40A LOW TQ TO220	0
S4040RQ	Littelfuse Inc	SCR 400V 40A LOW TQ TO220	200

Part Number	Manufacturer	Description	Stock
S4040RQ2 D# S4040RQ2-ND	Littelfuse Inc	SCR 400V 40A TO220	0
S4040RQ2TP D# F7914-ND	Littelfuse Inc	SCR 400V 40A TO220	318
S4040RQ D# S4040RQ-ND	Littelfuse Inc	SCR 400V 40A TO220	0
S4040RQ3 D# S4040RQ3-ND	Littelfuse Inc	SCR 400V 40A TO220AB-R	0
S4040RQ3TP D# F7915-ND	Littelfuse Inc	SCR 400V 40A TO220AB-R	0
S4040RQTP D# F9717-ND	Littelfuse Inc	SCR 400V 40A TO220AB	0

Part Number

Manufacturer

Description

Stock

S4040RQTP

Littelfuse Inc

RoHS: Compliant

pbFree: Yes

Part Number	Manufacturer	Description	Stock
S4040RQ3	LITTELFUSE(RoHS)	OEM/CM QUOTES ONLY \| NO BROKERS	236
S4040RQ2	LITTELFUSE(RoHS)	OEM/CM QUOTES ONLY \| NO BROKERS	319
S4040RQ3TP	LITTELFUSE(RoHS)	OEM/CM QUOTES ONLY \| NO BROKERS	296
S4040RQ2TP	Littelfuse Inc	OEM/CM QUOTES ONLY \| NO BROKERS	378

Part Number

Manufacturer

Description

Stock

S4040RQ2TP

D# 576-S4040RQ2TP

Littelfuse Inc

SCRs 400V 40A SCR Low TQ TO220

RoHS: Compliant

167

Part Number	Manufacturer	Description	Stock
S4040RQ2TP D# 90T9362	Littelfuse Inc	SCR 400V 40A LOW TQ TO220 / TUBE RoHS: Not Compliant Min Qty: 1000 Container: Bulk	0
S4040RQTP D# 34AC6432	Littelfuse Inc	SCR 400V 40A LOW TQ TO220 / TUBE RoHS: Not Compliant Min Qty: 1000 Container: Bulk	0
S4040RQ3TP D# 64X7118	Littelfuse Inc	SCR 400V 40A LOW TQ TO220 / TUBE RoHS: Not Compliant Min Qty: 1000 Container: Bulk	0

Part Number	Manufacturer	Description	Stock
S4040RQ2 D# NS-S4040RQ2	Littelfuse Inc	OEM/CM ONLY	3571
S4040RQ2TP D# NS-S4040RQ2TP	Littelfuse Inc	OEM/CM ONLY	7356
S4040RQ D# NS-S4040RQ	Littelfuse Inc	OEM/CM ONLY	1697

Part Number	Manufacturer	Description	Stock
S4040RQ3	Littelfuse Inc		158
S4040RQ3TP	Littelfuse Inc		199
S4040RQ2	Littelfuse Inc		214

Part Number	Manufacturer	Description	Stock
S4040RQ3	Littelfuse Inc	OEM/CM ONLY	214
S4040RQ3TP	Littelfuse Inc	OEM/CM ONLY	360
S4040RQ2	Littelfuse Inc	OEM/CM ONLY	284
S4040RQ2TP	Littelfuse Inc	OEM/CM ONLY	413

Part Number

Manufacturer

Description

Stock

S4040RQ3TP

Littelfuse Inc

SCRs 400V 40A

S4040RQ2TP

Littelfuse Inc

SCRs 400V 40A SCR Low TQ TO220

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S4040RQ

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