Littelfuse Inc.StrapRoHS
SRP420F
PTC RESET FUSE 30V 4.2A STRAP
Category
Subcategory
Ptc Resettable Fuses
Package
Strap
Series
PolySwitch®, SRP
Status
Active
Datasheet
$1.02 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
✅ 365-Day Warranty🚚 Global Shipping
Parameters
| Parameter | Value |
|---|---|
| Brand | Littelfuse Inc. |
| Model | SRP420F |
| Package / Case | Strap |
| Mounting Type | User Defined |
| Operating Temperature | -40°C ~ 85°C |
| Series | PolySwitch®, SRP |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
SRP420F by Littelfuse Inc. is a commonly used electronic component in the Ptc Resettable Fuses category. Available in Strap package with -40°C ~ 85°C operating temperature range. Contact us for datasheet, pricing, and availability.
📖 Technical Guides for SRP420F
Alternatives & Replacements
View All →Littelfuse Inc.StockStrap
SRP350F
PTC RESET FUSE 30V 3.5A STRAP
Request QuoteRFQ →
Littelfuse Inc.StockStrap
LR4-1300SSF
PTC RESET FUSE 20V 13A STRAP
Request QuoteRFQ →
Bourns Inc.StockStrap
MF-S350
PTC RESET FUSE 30V 3.5A STRAP
Request QuoteRFQ →
Bourns Inc.StockStrap
MF-S200
PTC RESET FUSE 30V 2A STRAP
Request QuoteRFQ →
Littelfuse Inc.StockStrap
LR4-600F
PTC RESET FUSE 20V 6A STRAP
Request QuoteRFQ →
Littelfuse Inc.StockStrap
SRP120F
PTC RESET FUSE 15V 1.2A STRAP
Request QuoteRFQ →
All Technical Specifications
| Type | Polymeric |
| Time to Trip | 6 s |
| Current - Max | 100 A |
| Voltage - Max | 30V |
| Thickness (Max) | 0.043" (1.10mm) |
| Size / Dimension | 1.240" L x 0.522" W (31.50mm x 13.25mm) |
| Current - Trip (It) | 7.6 A |
| Current - Hold (Ih) (Max) | 4.2 A |
| Resistance - Initial (Ri) (Min) | 12 mOhms |
| Resistance - Post Trip (R1) (Max) | 40 mOhms |
Request a Quote
Submit your quantity and details — we will reply within 24 hours.