Power resistor BOURNS W1M33R0J featuring low thermal resistant ceramic core and UL 94V-0 coating
Product Overview
The W Series Wirewound Power Resistor is designed for reliable performance in a wide range of applications, including smart meters, renewable energy systems, industrial equipment, power supplies, chargers, lighting, instruments, gauges, and white goods. These resistors feature a low thermal resistant ceramic core and E24 resistance values, with a coating material that meets UL 94V-0 requirements. They are RoHS compliant and available in a wide power range from 1W to 10W, offering a robust solution for demanding electronic designs.
Product Attributes
- Brand: Bourns
- Product Series: W Series
- Type: Wirewound Power Resistor
- Core Material: Low thermal resistant ceramic
- Coating Material: Meets UL 94V-0 requirements
- Compliance: RoHS compliant*
- Resistance Values: E24 resistance values
- Non-inductive version: Available upon request
Technical Specifications
| Specification | Details |
|---|---|
| Resistance Range | See Popular Resistance Values Table |
| Tolerance | 5 % |
| Operating Temperature | -55 C to +200 C |
| Temperature Coefficient | 300 ppm/C |
| Maximum Voltage | P*R |
| Lead Wire | Tin-plated copper wire |
| Short Time Overload | 2.5 times rated voltage for 5 seconds. R/R(2 % 0.05 ) |
| Solderability | 245 3 C for 2.5 0.5 seconds. Over 95 % coverage |
| Resistance to Solder Heat | 260 5 C for 10 1 seconds. R/R(1 % + 0.05 ) |
| Dielectric Strength | Test voltage >500 Vrms for >1 minute. Pass |
| Insulation Resistance | Test voltage >500 Vrms for 1 minute. >109 |
| Load Life (Humidity) | 1000 hours at rated power (1.5 hours ON, 0.5 hours OFF) at 40 2 C, 90 to 95 %. R/R (5 % + 0.05 ) |
| Load Life | 1000 hours at rated power (1.5 hours ON, 0.5 hours OFF) at 70 2 C. R/R(5 % + 0.05 ) |
Packaging Specifications
| Model | Style | Qty. per Box (Pcs.) | Min. Order Quantity (Pcs.) |
|---|---|---|---|
| W1M | Ammo Pack | 1,000 | 5,000 |
| W2M | Ammo Pack | 500 | 2,000 |
| W3M | Ammo Pack | 500 | 2,000 |
| W5M | Ammo Pack | 500 | 2,000 |
| W7M | Bulk in Box | 25 / 200 | 2,000 |
| W9M | Bulk in Box | 25 / 200 | 2,000 |
| W10M | Bulk in Box | 25 / 200 | 2,000 |
Popular Resistance Values
| Code | R Value | Code | R Value |
|---|---|---|---|
| 15R0 | 15 | 56R0 | 56 |
| 22R0 | 22 | 82R0 | 82 |
| 33R0 | 33 | 1000 | 100 |
| 39R0 | 39 | 1200 | 120 |
| 47R0 | 47 | 1500 | 150 |
Other E24 resistance values available upon request.
Dimensions
| Model | L (mm/in) | D (mm/in) | W (mm/in) | T (DIA.) (mm/in) |
|---|---|---|---|---|
| W1M | 9.5 1.0 (.374 .039) | 3.0 1.0 (.118 .039) | 28.0 3.0 (1.102 .118) | 0.54 0.05 (.021 .002) |
| W2M | 11.5 1.0 (.453 .039) | 4.5 1.0 (.177 .039) | 28.0 3.0 (1.102 .118) | 0.70 0.05 (.028 .002) |
| W3M | 15.5 1.0 (.610 .039) | 5.5 1.0 (.217 .039) | 28.0 3.0 (1.102 .118) | 0.70 0.05 (.028 .002) |
| W5M | 17.5 1.0 (.689 .004) | 6.5 1.0 (.256 .039) | 28.0 3.0 (1.102 .118) | 0.75 0.05 (.030 .002) |
| W7M | 24.5 1.0 (.965 .039) | 8.5 1.0 (.335 .039) | 38.0 3.0 (1.496 .118) | 0.75 0.05 (.030 .002) |
| W9M | 39.5 1.0 (1.555 .039) | 8.5 1.0 (.335 .039) | 38.0 3.0 (1.496 .118) | 0.75 0.05 (.030 .002) |
| W10M | 52.5 1.0 (2.067 .039) | 8.5 1.0 (.335 .0039) | 38.0 3.0 (1.496 .118) | 0.75 0.05 (.030 .002) |
How to Order
W (Product Series) - 3 (Power Rating) - M (Pin Style) - 22R0 (Resistance Code) - J (Resistance Tolerance)
- Power Rating: 1, 2, 3, 5, 7, 9, 10 Watts
- Pin Style: M = Axial Miniaturized Version
- Resistance Code: R<100 ohms: R represents decimal point (e.g., 56R0 = 56 ohms). R100 ohms: First three digits are significant, fourth digit represents number of zeros (e.g., 1500 = 150 ohms).
- Resistance Tolerance: J = 5 %
*RoHS Directive 2015/863, Mar 31, 2015 and Annex.
Specifications are subject to change without notice. Users should verify actual device performance in their specific applications.
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.