Product Overview
The ISA-PLAN SMV-PW series precision resistors, size 4723, are designed for high-reliability applications, including aerospace. These resistors offer 3 W permanent power at 80 C and continuous current load up to 30 A (at 3.3 mOhm). Key features include excellent long-term stability, high pulse power rating, and suitability for reflow-, IR-, and wave-soldering. They meet the detail specification ESCC 4001/028 and feature SnPb tinned contacts.
Product Attributes
- Brand: ISA-PLAN
- Manufacturer: Isabellenhtte Heusler GmbH & Co. KG
- Series: SMV-PW
- Size: 4723
- Contact Plating: SnPb tinned
- Certifications: ESCC 4001/028
- Mounting: Reflow-, IR- and wave-soldering
Technical Specifications
| Specification | Value |
|---|---|
| Permanent Power Rating (at 80 C) | 3 W |
| Continuous Current Load (at 3.3 mOhm) | Up to 30 A |
| Long-term Stability | Excellent |
| Pulse Power Rating | High |
| Resistance Values | 0.0033 to 1 Ohm |
| Tolerance | 0.5 % / 1 % |
| Temperature Coefficient (22-60 C) | 50ppm/K for 10 m; 30ppm/K for >10 m |
| Applicable Temperature Range | -55 to +140 C |
| Power Rating (Nominal) | 3 W |
| Internal Heat Resistance (Rthi) | <20 K/W |
| Isolation Voltage | 1000 V AC/DC |
| Stability (Nominal load, 2000h, TK=80 C) | <0.2% deviation |
| Peak Soldering Temperature (Reflow) | 260 C |
| Peak Soldering Time (Reflow) | 40 s |
| Soldering Temperature (IR) | 255 C |
| Soldering Time (IR) | 90 s |
| Soldering Temperature (Wave) | 217 C |
| Tape Width | 24 mm |
| Reel Size | 13 inch |
| Delivery Form (up to 300 pcs) | Tape |
| Delivery Form (>300 pcs) | Tape and reel |
| Dimensions (L x W x H) | 12.0 x 6.0 x 3.4 mm |
| Mechanical Dimensions (A, B, C, D) | A: 2.0 0.5, B: 4.6 0.3, C: 1.0 +0.3/-0.2, D: 5.0 +0.3/-0.1 |
| Solder Pad Dimensions (l, a, b, c, d, e, f) | l: 12.8, a: 2.8, b: 4.6, c: 1.8, d: 5.8, e: 1.5, f: 9.9 |
Note: Resistance values and tolerances are available as detailed in the ordering code table. Other resistance values available on request.
Disclaimer: All products, product specifications and data are subject to change without notice.
2412061657_Isabellenhuette-SMV-R033-1-0-PW_C19842437.pdf
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