Hammond 1521 Transmitter RF Choke, 1in Ceramic Form
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224-955-1644Key Features
- Heavy duty R.F. choke for linear amplifiers and transmitter applications
- 1" diameter low loss ceramic winding form
- Standoff insulators and 1/4-20 mounting bolt
- +/- 10% tolerance on inductance
- RoHS and REACH compliant
- 0.5 lbs (0.23 kg) shipping weight
Part 1521 is a heavy duty R.F. choke in the 1500-1521 Series. Together with the 1515 and 1518, it is one of the catalog numbers the manufacturer designed specifically for linear amplifiers and other transmitter applications, making it relevant to RF amplifier builders, broadcast and amateur radio technicians, and engineers maintaining transmitter equipment.
The winding sits on a 1" diameter low loss ceramic form. Standoff insulators space the choke off the mounting surface, and a single 1/4-20 mounting bolt secures it to a chassis or panel.
Inductance is held to a +/- 10% tolerance across the series. The supplied data for this part does not state its inductance, current or resistance values, so check those against the manufacturer's documentation for your circuit. The part page lists a shipping weight of 0.5 lbs (0.23 kg).
It is listed as RoHS compliant and REACH compliant, with UPC 623980291208 and UNSPSC 39121301. The 1500-1521 line is flagged by the manufacturer to soon be discontinued as a stocked series, available while quantities last, so it is useful for keeping existing linear amplifier designs serviceable.
Ideal For
- Linear amplifier R.F. choke
- Transmitter applications
- Heavy duty R.F. circuits
- Standoff-insulated chassis mounting
Mounting
| Insulators | Standoff insulators |
| Mounting Hardware | 1/4-20 mounting bolt |
Overview
| Duty | Heavy duty use in linear amplifiers or other transmitter applications |
| Series | R.F. Chokes 1500-1521 Series |
| Product Type | R.F. choke |
| Series Status | Product line will soon be discontinued as a stocked series; available while quantities last |
| Short Description | RF CHOKES |
Electrical
| Inductance Tolerance | +/- 10% |
Identifiers
| UPC | 623980291208 |
| UNSPSC | 39121301 |
| Part Number | 1521 |
Packaging & Shipping
| Shipping Weight | 0.5 lbs (0.23 kg) |
Construction & Finish
| Form | 1" dia. ceramic form |
| Form Material | Low loss ceramic |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
Which applications is the 1521 intended for?▾
Catalog numbers 1515, 1518 and 1521 are designed for heavy duty use in linear amplifiers or other transmitter applications.
What form is the 1521 wound on?▾
A 1" diameter ceramic form, fitted with standoff insulators.
What hardware mounts the 1521?▾
It mounts with a 1/4-20 mounting bolt.
What is the inductance tolerance of the 1521?▾
The series specifies +/- 10% on inductance. The nominal inductance for the 1521 is not listed in the supplied data.
Will the 1521 remain available?▾
The manufacturer notes the 1500-1521 product line will soon be discontinued as a stocked series; it is available while quantities last.
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