Hammond 1508 0.035 mH RF Choke, 500 mA, Layer-Wound Ceramic
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224-955-1644Key Features
- 0.035 mH inductance, +/- 10% tolerance
- Rated 500 mA D.C. current
- 3.1 ohm D.C. resistance
- Layer winding on a low loss ceramic form
- 3.00 in (76 mm) length; 1.3 oz.
- RoHS and REACH compliant
- Series available while quantities last
The 1508 is a high-current R.F. choke from the 1500-1521 Series with an inductance of 0.035 mH (+/- 10% tolerance). It carries 500 mA of D.C. current with a low D.C. resistance of 3.1 ohms, the highest current rating and lowest resistance among the 1501, 1504 and 1508 in the series table.
Rather than a pie winding, the 1508 is layer wound on a ceramic form; the series describes its forms as low loss ceramic or powdered iron. It is 3.00 in (76 mm) long and the series table lists a weight of 1.3 oz.
The low inductance and 500 mA rating point to higher-frequency RF circuits and supply paths that need to pass more D.C. current, such as feeds in transmitters and amplifiers designed by RF engineers and radio amateurs. The 1508 is RoHS and REACH compliant, with a shipping weight of 0.1 lbs (0.05 kg), UPC 623980290409 and UNSPSC 39121301.
Hammond notes that the 1500-1521 R.F. choke line will soon be discontinued as a stocked series and is available while quantities last; for alternative solution assistance Hammond lists USA (716) 630-7030 and Canada and International (519) 822-2960.
Ideal For
- High-current RF supply feeds
- Transmitter and amplifier D.C. feeds
- RF filtering at higher frequencies
- Amateur radio equipment
Overview
| Series | 1500-1521 Series (R.F. Chokes) |
| Product Type | R.F. choke |
| Availability Note | Series to be discontinued as a stocked series; available while quantities last |
| Short Description | RF CHOKES |
Dimensions
| Length | 3.00 in (76 mm) |
Electrical
| Inductance | 0.035 mH |
| DC Current | 500 mA |
| DC Resistance | 3.1 ohms |
| Inductance Tolerance | +/- 10% |
Identifiers
| UPC | 623980290409 |
| UNSPSC | 39121301 |
| Part Number | 1508 |
Packaging & Shipping
| Shipping Weight | 0.1 lbs (0.05 kg) |
| Weight (Series Table) | 1.3 oz. |
Construction & Finish
| Form Type | Ceramic |
| No. Of Pies | Layer |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is the inductance of the 1508?▾
0.035 mH, with a +/- 10% tolerance.
What current is the 1508 rated for?▾
500 mA D.C., with a D.C. resistance of 3.1 ohms.
How is the 1508 wound?▾
It is layer wound on a ceramic form and is 3.00 in (76 mm) long.
Is the 1508 still in production?▾
The series sheet states the 1500-1521 line will soon be discontinued as a stocked series and is available while quantities last.
Is the 1508 RoHS compliant?▾
Yes. The 1508 is listed as RoHS compliant and REACH compliant.