Feature
Wide operating voltage range from φ5 to φ20
Operating Temperature
| Style | Operating Temperature Range |
| φ5 | -40ºC~155ºC |
| Φ7/φ9/φ11 | -40ºC~175ºC |
| Φ13/φ15/φ20 | -40ºC~200ºC |
Storage Temperature: 15ºC~35ºC
Suitable for power supply, electronic motors, transformers, adapters, projectors, halogen machines, LED drive circuits, etc.
Applicable Standard
Electrical Characteristics
| Part Number | Rated Zero Power Resistance @25ºC(Ω) | Maximum Steady Current @25ºC(A) | Residual Resistor At Maximum Steady Current @25ºC(Ω) | B Value(K) ±10% | Thermal Time Constant (S) | Heat Dissipation Coefficient(mW/ºC) | Operating Temperature Range (ºC) |
| 5D-7 | 5 | 2 | 0.283 | 2600 | <30 | >10 | -40ºC~175ºC |
| 8D-7 | 8 | 1 | 0.539 | 2600 | <28 | >9 | -40ºC~175ºC |
| 10D-7 | 10 | 1 | 0.616 | 2800 | <27 | >9 | -40ºC~175ºC |
| 12D-7 | 12 | 1 | 0.816 | 2800 | <27 | >9 | -40ºC~175ºC |
| 16D-7 | 16 | 0.7 | 1.003 | 2800 | <27 | >9 | -40ºC~175ºC |
| 20D-7 | 20 | 0.6 | 1.102 | 2800 | <27 | >9 | -40ºC~175ºC |
| 22D-7 | 22 | 0.6 | 1.108 | 2800 | <27 | >9 | -40ºC~175ºC |
| 30D-7 | 30 | 0.5 | 3.7059 | 2800 | <28 | >10 | -40ºC~175ºC |
| 33D-7 | 33 | 0.2 | 1.485 | 2800 | <28 | >10 | -40ºC~175ºC |
| 50D-7 | 50 | 0.5 | 1.653 | 2800 | <28 | >10 | -40ºC~175ºC |
Dimensions (mm) and Approval
| Part No. | Size (mm) | Approval | |||||
| D Max. | T Max. | F±0.8 | d±0.05 | CQC | cUL (Canada) | ||
| CP | CU | ||||||
| D-5 | 7.0 | 4.5 | 5.0 | 0.6 | 0.6 | √ | √ |
| D-7 | 9.0 | 5.0 | 5.0 | 0.6 | 0.6 | √ | √ |
| D-9 | 11.0 | 6.0 | 5.0 | 0.7 | 0.8 | √ | √ |
| D-11 | 13.0 | 6.5 | 7.5 | 0.7 | 0.8 | √ | √ |
| D-13 | 15.5 | 7.0 | 7.5 | 0.7 | 0.8 | √ | √ |
| D-15 | 17.5 | 7.0 | 7.5 | 0.7 | 0.8 | √ | √ |
| D-20 | 22.5 | 7.0 | 10.0 | 1.0 | 1.0 | √ | √ |
NTC Thermistor (UL/VDE/CQC safty approval)
* Over-current protection components for Inrush Current Limiter
As an ISO factory, with strict production and QC managment system, we are confident to provide quality products to you.
ISO9001 : 2008 Quality management systems
ISO14001 : 2004 Environmental management systems
ISO16949 : 2008 Quality management systems for automotive production and relevant service part organizations
Shippment
We can express by UPS/FEDEX/TNT/EMS/DHL
Packing
BULK:INNER BOX/OUTER CARTON
TAPING:INNER BOX/OUTER CARTON
Question&Answer