15x5mm Chip Polymer PTC Resettable Fuse H65 Brass With Overcurrent Protection
Chip Polymer PTC Devices PPTC Resettable Fuse For Overcurrent and Overtemperature Protection Of Motor
Features Of The Chip Polymer PTC Devices
* Provide dual protection for over-current & over-temperature generated after the motor stalling
* Protection lifetime is more than 2000 times
* Rapidly cool the motor after stalling protection
* Protection time can be adjusted and set according to the customers’ requirements
* Configuration and dimension can be customized according to the allowed motor inner space
* No electromagnetic noise
* Outstanding anti-vibration ability
* Operation temperature: -40℃～85℃/125℃ production.
Test Report Of The Chip Polymer PTC Devices AN175
| Test Item | Test Condition | Standard | Measured Value |
Sample QTY |
Test Result |
| Exterior | Visual inspection | No visible scratches, exposed bottom, wrinkled skin and other phenomena. | No visible scratches, exposed bottom, wrinkled skin and other phenomena. | 8 | OK |
| Rated zero-power resistance (Ω) | Low resistance meterTH2511 | 0.055-0.075 | 0.055-0.075 | 8 | OK |
| Stall current (seconds) | 13.5V/9A | ≥4 | 4-10 | 3 | OK |
| Power frequency current capability | 16V/40A | Power on for 6 seconds, power off for 1 minute, cycle 20 times, no burning or cracking | OK | 3 | OK |
| Size | Measure with vernier calipers and micrometers that meet the accuracy requirements |
15.65±0.3mm 4.4±0.1mm 7.4±0.1mm 15.3±0.15mm 1.7±0.2mm |
OK | 3 | OK |
| Operating Temperature | -40℃--80℃ | ||||
|
In conclusion:The sample passed the inspection and agreed to leave the factory. |
|||||
Series Specification Of The Chip Polymer PTC Devices
| Type | Part No. | IH(A) | IT(A) | Max Trip Current(A) | Max Trip Time(s) | Vmax(V) | Imax(A) | Pdtyp(W) | Rmin(Ω) | Rmax(Ω) | R1max(Ω) |
| Auto Copper Strap | LA-E1508 | 4 | 8 | 25 | 4~12 | 14 | 50 | 5 | 0.01 | -- | 0.02 |
| Auto Copper Strap | SA-A1508 | 4 | 8 | 15 | 4~25 | 16 | 50 | 4.5 | 0.02 | -- | 0.04 |
| Auto Copper Strap | LA-G1508 | 4 | 8 | 25 | 7~60 | 14 | 50 | 5 | 0.008 | -- | 0.016 |
| Auto Copper Strap | LA-F1508 | 4 | 8 | 25 | 7~15 | 14 | 50 | 5.5 | 0.008 | -- | 0.016 |
| Auto Copper Strap | LA-E1508 | 4 | 8 | 25 | 4~12 | 14 | 50 | 5 | 0.01 | -- | 0.02 |
| Auto Copper Strap | LA-D1508 | 4 | 8 | 20 | 7~30 | 14 | 50 | 5 | 0.01 | -- | 0.02 |
| Auto Copper Strap | LA-C1508 | 4 | 8 | 20 | 4~12 | 14 | 50 | 5 | 0.01 | -- | 0.02 |
| Auto Copper Strap | LA-B1508 | 4 | 8 | 15 | 7~30 | 16 | 50 | 5 | 0.015 | -- | 0.03 |
| Auto Copper Strap | LA-A1508 | 4 | 8 | 15 | 4~12 | 16 | 50 | 5.5 | 0.01 | -- | 0.02 |
| Auto Copper Strap | LA-A1308 | 4 | 8 | 20 | 5~30 | 14 | 50 | 5.5 | 0.01 | -- | 0.02 |
| Auto Copper Strap | LA-A2111 | 6 | 12 | 30 | 5~30 | 14 | 50 | 6 | 0.01 | -- | 0.02 |
IH=Hold current: maximum current at which the device will not trip at 25℃ still air.
IT=Trip current: minimum current at which the device will always trip at 25℃ still air.
Imax=Maximum fault current device can withstand without damage at rated voltage.
Max Time-to-trip=Maximum time to trip(s) at assigned current.
Pd max=Maximum power dissipation: maximum power dissipated by the device when in state air environment.
Rmin=Minimum device resistance at 25℃ prior to tripping.
Rmax=Maximum device resistance at 25℃ prior to tripping.
R1max=Maximum device resistance at 25℃, of device one hour after being tripped the first time.
Product Photos Of The Chip Polymer PTC Devices
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.