| Distributor | Stock | Pricing | MOQ | PKG | Lead Time | Date Code | On Order Quantity | On Order Delivery | |
|---|---|---|---|---|---|---|---|---|---|
|
7,900 pcs
|
7900 pcs | On Request | 1 | On Request | On Request | 11+ | On Request | On Request |
| Category | |
| Manufacturer Name | |
| AEC Qualified | |
| Approval Agency | |
| Automotive Grade | |
| Breaking Capacity @ Rated Voltage | |
| Current Rating (Amps) | |
| Fuse Type | |
| Halogen Free | |
| Height | |
| Industrial Grade | |
| Length | |
| Medical Grade | |
| Melting I²t | |
| Military Grade | |
| Mounting Type | |
| Nominal Power Dissipation | |
| Nominal Resistance | |
| Nominal Voltage Drop | |
| Operating Temperature | |
| Response Time | |
| Tape & Reel | |
| Termination Style | |
| Voltage Rating | |
| Width |
The Littelfuse 0437001.WR is a 1 Amp, 63 Volt AC/DC fast-acting surface mount fuse from the 437 Series. Designed for overcurrent protection in high ambient temperature environments up to 150°C, this fuse provides reliable performance and excellent temperature stability.
Key electrical specifications include a nominal melting I²t of 0.106 A²sec, nominal resistance of 0.42 Ohms, and a voltage drop of 0.41 V at rated current. The fuse has a breaking capacity of 50 A at 63 V AC/DC and a fast blow response time.
The component is housed in a standard 1206 (3216 Metric) surface mount package measuring 3.20 mm x 1.63 mm x 0.82 mm. It is 100% lead-free, halogen-free, and RoHS compliant, with agency approvals from UL, CSA, CE, and UKCA.
| Qty | Low | High |
|---|---|---|
| 1+ | $1.70 | $1.70 |
| 5+ | $1.50 | $1.50 |
| 10+ | $1.35 | $1.35 |
| 50+ | $1.12 | $1.12 |
| 100+ | $1.01 | $1.01 |
| 250+ | $0.93 | $0.93 |
| 500+ | $0.86 | $0.86 |
| 1,000+ | $0.80 | $0.80 |
| 3,000+ | $0.63 | $0.63 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 1 A.
The voltage rating is 63 V AC/DC.
The breaking capacity is 50 A at 63 V AC/DC.
It is a fast blow (fast-acting) fuse.
It is available in a 1206 (3216 Metric) surface mount package.
The operating temperature range is -55°C to 150°C.
Yes, it is RoHS3 compliant, 100% lead-free, and halogen-free.