metal film Resistor
Factory Direct · metal film Resistor
Full-series metal-film color-code resistor · 1/8W ~ 5W · 1% accuracy — Factory-direct · BOM ordering · Free samples
Full-seriesfull range — 1/8W ~ 5W 7 ratings
covers 1/8W / 1/4W / 1/2W / 1W / 2W / 3W / 5W full powerrating; 1% standardAccuracy, customizable per requirements ±0.5% / ±2% / ±5%; bulk and tape-and-reel packaging available.
5 color-code precision construction · Operating Temperature -55℃ ~ +155℃
cylindrical package / 5 color-code precision construction; axial leads Φ 0.5 ~ 0.8 mm; operating temperature covers -55℃ ~ +155℃, complies with GB/T 5729-94 / IEC 115-1 standard.
Dimensions
| Power | L (mm) | ΦD (mm) | H (mm) | Φd (mm) |
|---|---|---|---|---|
| 1/8W | 3.4 ± 0.3 | 1.9 ± 0.2 | 28 ± 2.0 | 0.5 ± 0.05 |
| 1/4W | 6.3 ± 0.5 | 2.4 ± 0.2 | 28 ± 2.0 | 0.6 ± 0.05 |
| 1/2W | 9.0 ± 0.5 | 3.3 ± 0.3 | 26 ± 2.0 | 0.6 ± 0.05 |
| 1W | 11.5 ± 1 | 4.5 ± 0.5 | 35 ± 2.0 | 0.8 ± 0.05 |
| 2W | 15.5 ± 1 | 5.0 ± 0.5 | 33 ± 2.0 | 0.8 ± 0.05 |
| 3W | 17.5 ± 1 | 6.0 ± 0.5 | 35 ± 2.0 | 0.8 ± 0.05 |
| 5W | 24.5 ± 1 | 8.5 ± 0.5 | 38 ± 2.0 | 0.8 ± 0.05 |
Rated Power Derating Curve
Electrical Characteristics
| Test Item | Performance Requirement Specifications | Test Method |
|---|---|---|
| Temperature Cycle | ΔR ≤ ±(0.5%R + 0.05Ω) | IEC 115-1 §4.19 |
| Short Time Overload | ΔR ≤ ±(0.5%R + 0.05Ω) | IEC 115-1 §4.13 |
| Dielectric Withstanding Voltage | No breakdown or flashover | IEC 115-1 §4.7 |
| Insulation Resistance | > 100MΩ | IEC 115-1 §4.6 |
| Resistance to Soldering Heat | ΔR ≤ ±(0.5%R + 0.05Ω) | IEC 115-1 §4.18 |
| Weather Cycle | ΔR ≤ ±(2%R + 0.1Ω) | IEC 115-1 §4.23 |
| Load Life | ΔR ≤ ±(2%R + 0.1Ω) | IEC 115-1 §4.25.2 |
48-Hour Free Samples
Free samples for standard parts — shipped within 2 business days.
Custom to Drawing
Drawing- and spec-based customization. Engineer responds within 24 hours.
Volume Discounts
Factory-direct supply at scale — direct manufacturer pricing.
Worry-Free After-Sales
12-month warranty with a dedicated team for technical issues.
Customization Process
Contact Us
Reach out, learn about our products, share your needs
Specify Requirements
Discuss specifications with our team
Get a Quote
We send pricing and proposal
Place Order
Confirm order and payment
Production
Manufacturing and quality inspection
Ship
Pack and ship the goods
Delivery
Confirm receipt and feedback
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Frequently asked questions
Is a free sample available for this product?
What is the minimum order quantity?
How long is the warranty?
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Can I order this product in custom dimensions or values?
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Sample Request
Standard samples are provided free of charge in reasonable quantities (shipped within 2–3 business days). Custom samples are delivered within 2–4 weeks. Please use the form on the right to tell us:
- Company and contact details
- Target part number or key specs (power / resistance / package)
- Application scenario and estimated annual volume
- Shipping address and expected delivery date