Name: 03121.25H
Brand: Littelfuse Inc.
SKU: 03121-25H
Availability: InStock
Rating: 5 (123 reviews)

03121.25H

For Reference Only

Part Number	03121.25H
Manufacturer	Littelfuse Inc.
Description	FUSE GLASS 1.25A 250VAC 3AB 3AG
Datasheet	03121.25H Datasheet 03121.25H Specifications
Package	3AB, 3AG, 1/4" x 1-1/4"
ECAD
In Stock	8,136 piece(s)
Unit Price	Request a Quote
Lead Time	To be Confirmed
Estimated Delivery Time	Apr 27 - May 2 (Choose Expedited Shipping)
Request for Quotation

Payment Methods
Delivery Services

Part Number # 03121.25H (Fuses) 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 03121.25H specifications/configurations, quotation, lead time, payment terms of further enquiries please have no hesitation to contact us. To process your RFQ, please add 03121.25H with quantity into BOM. Heisener.com does NOT require any registration to request a quote of 03121.25H.

03121.25H Specifications

Manufacturer	Littelfuse Inc.
Category	Circuit Protection - Fuses
Package	3AB, 3AG, 1/4" x 1-1/4"
ECAD
Series	312
Fuse Type	Cartridge, Glass
Current Rating	1.25A
Voltage Rating - AC	250V
Voltage Rating - DC	-
Response Time	Fast
Package / Case	3AB, 3AG, 1/4" x 1-1/4"
Mounting Type	Holder
Breaking Capacity @ Rated Voltage	35A
Melting I2t	1.45
Approvals	CSA, UL
Operating Temperature	-55°C ~ 125°C
Color	-
Size / Dimension	0.250" Dia x 1.250" L (6.35mm x 31.75mm)

03121.25H Datasheet

03121.25H Reviews

Huds*****akshi

March 13, 2023

★ ★ ★ ★ ★

You get the most update products online. You always give me the best choice.

Er***** Sem

March 12, 2023

★ ★ ★ ★ ★

I always enjoy shopping with Heisener, never disappoint me, most dependable, and no long waiting for deliveries.

Re*****Rege

February 24, 2023

★ ★ ★ ★ ★

Purchased this in May and didn't use it until last week. worked and all was good.

Braxt*****eston

February 20, 2023

★ ★ ★ ★ ★

Heisener has everything! Each product is easy to search and navigate. No minimum quantities. Fast shipping!

Write a Review

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03121.25H Packaging

03121.25H FAQ

1. How to order 03121.25H 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 03121.25H is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the 03121.25H. All suppliers must pass our qualification reviews before they can publish their products including 03121.25H on Heisener; we pay more attention to the channels and quality of 03121.25H products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the 03121.25H price and inventory displayed accurate?

The price and inventory of 03121.25H 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 03121.25H?

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 03121.25H we delivered, we will accept the replacement or return of the 03121.25H 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 03121.25H.

(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 03121.25H pin diagram, 03121.25H datasheet?

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

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03121.25H 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

0312.125HXP

D# 70184133

Littelfuse Inc

Fuse Cylinder Fast Acting 0.125A Sz 3AG Supplemental Dims 0.25x1.25" Glass Clip

RoHS: Not Compliant

469

Part Number	Manufacturer	Description	Stock
03121.25HXP D# V99:2348_06407707	Littelfuse Inc	Fuse Miniature Fast Acting 1.25A 250V Holder Cartridge 6.3 X 32mm Glass Bulk CE/CSA/KC/PSE/UL RoHS: Compliant	0
0312.125HXP D# V99:2348_06407601	Littelfuse Inc	Fuse Miniature Fast Acting 0.125A 250V Holder Cartridge 6.3 X 32mm Glass Bulk CE/CSA/UL RoHS: Compliant	0
03121.25MXP D# V99:2348_06407708	Littelfuse Inc	Fuse Miniature Fast Acting 1.25A 250V Holder Cartridge 6.3 X 32mm Glass Bulk CE/CSA/KC/PSE/UL RoHS: Compliant	0

Part Number

Manufacturer

Description

Stock

03121.25HXP

Littelfuse Inc

Part Number	Manufacturer	Description	Stock
0312.125HXCCP	Littelfuse Inc	FUSE GLASS 125MA 250VAC 3AB 3AG	0
03121.25HXP	Littelfuse Inc	Fuse: fuse, quick blow, glass, 1.25A, 250VAC, 6,3x32mm	120
03121.25MXP	Littelfuse Inc	Fuse: fuse, quick blow, glass, 1.25A, 250VAC, 6,3x32mm,	0
0312.125H	Littelfuse Inc	FUSE 250V UL FA 3AG	4916
0312.125HXP	Littelfuse Inc	Fuse: fuse, quick blow, glass, 1.25A, 250VAC, 6,3x32mm	120
03121.25H	Littelfuse Inc	FUSE 250V UL FA 3AG	4916

Part Number

Manufacturer

Description

Stock

0312125HXP

Littelfuse Inc

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
03121.25H D# F116-ND	Littelfuse Inc	FUSE GLASS 1.25A 250VAC 3AB 3AG	0
03121.25MXP D# F4797-ND	Littelfuse Inc	FUSE GLASS 1.25A 250VAC 3AB 3AG	514
0312.125H D# F104-ND	Littelfuse Inc	FUSE GLASS 125MA 250VAC 3AB 3AG	0
0312.125HXP D# F2497-ND	Littelfuse Inc	FUSE GLASS 125MA 250VAC 3AB 3AG	0
03121.25HXP D# F2521-ND	Littelfuse Inc	FUSE GLASS 1.25A 250VAC 3AB 3AG	80
0312.125HXCCP D# 0312.125HXCCP-ND	Littelfuse Inc	FUSE GLASS 125MA 250VAC 3AB 3AG	0

Part Number	Manufacturer	Description	Stock
03121.25MXP D# 1596696	Littelfuse Inc	FUSE, 6.3X32MM, FAST ACTING, 1.25A RoHS: Compliant Min Qty: 10 Container: Each	0
0312.125HXP D# 1149665	Littelfuse Inc	FUSE, CARTRIDGE, 125mA, 6.3X32MM FST ACT RoHS: Compliant Min Qty: 1 Container: Each	98
03121.25HXP D# 1149692	Littelfuse Inc	FUSE, CARTRIDGE, 1.25A, 6.3X32MM FST ACT RoHS: Compliant Min Qty: 1 Container: Each	57

Part Number	Manufacturer	Description	Stock
0312.125HXP	Littelfuse Inc	312 Series Fast-Acting 250 V 0.125 A Ø 6.4 x 32 mm 3AG Glass Cartridge Fuse RoHS: Compliant pbFree: Yes	68
03121.25HXP	Littelfuse Inc	312 Series Fast-Acting 250 V 1.25 A Ø 6.4 x 32 mm 3AG Glass Cartridge Fuse RoHS: Compliant pbFree: Yes	0
0312.125HXCCP	Littelfuse Inc	RoHS: Compliant pbFree: Yes	0

Part Number	Manufacturer	Description	Stock
03121.25MXP D# 576-03121.25MXP	Littelfuse Inc	Cartridge Fuses 250V 1.25A Fast Acting RoHS: Compliant	528
03121.25HXP D# 576-03121.25HXP	Littelfuse Inc	Cartridge Fuses 250V 1.25A Fast Acting RoHS: Compliant	129
0312.125HXCCP D# 576-0312.125HXCCP	Littelfuse Inc	Cartridge Fuses 250V .125A FA 3AG CC PB-FREE RoHS: Compliant	62

Part Number	Manufacturer	Description	Stock
0312.125HXCCP D# 01P9118	Littelfuse Inc	FUSE 250V FA 3AG CC PB-FREE .125A / BULK ROHS COMPLIANT: YES RoHS: Compliant Min Qty: 100 Container: Bulk	0
03121.25MXP D# 42K9643	Littelfuse Inc	Cartridge Fuse, Blow Characteristic:Fast Acting, Fuse Current:1.25A, Voltage Rating VAC:250V, Fuse Size Metric:6.3mm x 32mm, Fuse Size Imperial:1/4" x 1-1/4", Product Range:312 Series, Breaking Capacity Current AC:100A RoHS Compliant: Yes RoHS: Compliant Min Qty: 1000 Container: Bulk	0
0312.125HXP D# 26K8433	Littelfuse Inc	FUSE, CARTRIDGE, 125mA, 6.3X32MM FST ACT, Blow Characteristic:Fast Acting, Fuse Current:125mA, Voltage Rating VAC:250V, Fuse Size Metric:6.3mm x 32mm, Fuse Size Imperial:1/4" x 1-1/4", Product Range:312 Series, Diameter:6.35mm RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	98
03121.25HXP D# 26K8457	Littelfuse Inc	FUSE, CARTRIDGE, 1.25A, 6.3X32MM FST ACT, Blow Characteristic:Fast Acting, Fuse Current:1.25A, Voltage Rating VAC:250V, Fuse Size Metric:6.3mm x 32mm, Fuse Size Imperial:1/4" x 1-1/4", Product Range:312 Series, Diameter:6.35mm RoHS Compliant: Yes RoHS: Compliant Min Qty: 1 Container: Bulk	57

Part Number	Manufacturer	Description	Stock
0312.125HXP D# NS-0312.125HXP	Littelfuse Inc	OEM/CM ONLY	9770
03121.25HXP D# NS-03121.25HXP	Littelfuse Inc	OEM/CM ONLY	9553
0312.125H D# NS-0312.125H	Littelfuse Inc	OEM/CM ONLY	6636
03121.25H D# NS-03121.25H	Littelfuse Inc	OEM/CM ONLY	6751
03121.25MXP D# NS-03121.25MXP	Littelfuse Inc	OEM/CM ONLY	7751

Part Number

Manufacturer

Description

Stock

03121.25H

Littelfuse Inc

Electronic Component

0312.125H

Littelfuse Inc

FUSE,1/8A,250V,FAST ACTING,6.35X31.75MM (1/4X1-1/4"),3AG

Part Number	Manufacturer	Description	Stock
0312.125H	Littelfuse Inc	OEM/CM ONLY	222
03121.25HX	Littelfuse Inc	OEM/CM ONLY	116
0312.125HP	Littelfuse Inc	OEM/CM ONLY	66
0312.125HXP	Littelfuse Inc	OEM/CM ONLY	13797

Part Number	Manufacturer	Description	Stock
0312.125HXP	Littelfuse Inc	Cartridge Fuses 250V 125mA Fast Acting 3AG pbFree: Pb-Free	0
03121.25MXP	Littelfuse Inc	Cartridge Fuses 250V 1.25A Fast Acting pbFree: Pb-Free	0
3121.25P	Littelfuse Inc	Cartridge Fuses 1.25AMP 250V FA CARTRIDGE pbFree: Pb-Free	0
03121.25HXP	Littelfuse Inc	Cartridge Fuses 250V 1.25A Fast Acting pbFree: Pb-Free	0

Part Number

Manufacturer

Description

Stock

0312.125HXP

Littelfuse Inc

shipping today

9988

Part Number

Manufacturer

Description

Stock

03121.25HXP

D# 29444299

Littelfuse Inc

Fuse Miniature Fast Acting 1.25A 250V Holder Cartridge 6.3 X 32mm Glass Bulk CE/CSA/KC/PSE/UL

RoHS: Compliant

0312.125HXP

D# 32405319

Littelfuse Inc

Fuse Miniature Fast Acting 0.125A 250V Holder Cartridge 6.3 X 32mm Glass Bulk CE/CSA/UL

RoHS: Compliant

Part Number	Manufacturer	Description	Stock
03121.25MXP D# 1596696	Littelfuse Inc	FUSE, 6.3X32MM, FAST ACTING, 1.25A RoHS: Compliant Min Qty: 20 Container: Each	0
0312.125HXP D# 1149665	Littelfuse Inc	FUSE, CARTRIDGE, 125mA, 6.3X32MM FST ACT RoHS: Compliant Min Qty: 1 Container: Each	98
03121.25HXP D# 1149692	Littelfuse Inc	FUSE, CARTRIDGE, 1.25A, 6.3X32MM FST ACT RoHS: Compliant Min Qty: 1 Container: Each	57

Quick Inquiry

03121.25H

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