Hammond 154E 20H 20mA High-Inductance Filter Choke, 300V
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Create Free Business AccountKey Features
- 20H inductance (+/- 15%) at 20 ma. rated D.C. current
- 1666 ohm D.C. resistance (+/- 15%)
- 300 V DC maximum operating voltage
- Economical open bracket channel mount, C2H mounting style
- Every unit Hipot tested (100%) at 1,500 VAC
- Vacuum impregnated with polyurethane varnish for quiet operation and long life
- Minimum 5" long leads
- RoHS and REACH compliant
Part 154E is a channel-mounted D.C. reactor with 20H of inductance and a 20 ma. D.C. current rating. It belongs to the 153-159 Series of low to medium current filter chokes, which the manufacturer positions for high voltage power supply filtering. The 154E packs 20H into the C2H frame at a 20 ma. rating, the highest inductance among the 154 parts, for light-current high voltage filtering where maximum inductance matters more than DC resistance (1666 ohms).
Winding resistance is 1666 ohms (+/- 15%) and the maximum operating voltage is 300 V DC. Inductance is measured at the rated D.C. current; expect less inductance at slightly higher currents and more at lower currents, so size the choke to your actual load current.
The choke is built on an open bracket channel frame and vacuum impregnated with polyurethane varnish for quiet, long-life operation. Each unit is 100% Hipot tested at 1,500 VAC and supplied with leads at least 5" long.
Its drawing gives dimensions A 2.06" (52.3 mm), B 1.25" (31.8 mm), C 1.19" (30.2 mm) and D 1.75" (44.5 mm), with a weight of 0.25 lbs / 0.11 kg. The part page lists a shipping weight of 0.3 lbs (0.14 kg), and the 154E is RoHS and REACH compliant (UNSPSC 39121301, UPC 623980201108). The part page lists a shipping weight of 0.3 lbs (0.14 kg), while the series table and drawing give a unit weight of 0.25 lbs (0.11 kg).
Ideal For
- Light-load high voltage power supply filtering
- 20 mA DC filter stages
- Open-bracket DC reactor applications
- Power supply repair and replacement
Mounting
| Mounting Style | Open bracket channel mount |
| Mounting Hole (Series Table) | 0.19" |
| Dimension Reference (Mtg. Style) | C2H |
Overview
| Series | 153-159 Series D.C. Reactors or filter chokes |
| Product Type | D.C. reactor / filter choke |
| Current Class | Low to medium current |
| Long Description | DC reactor, filter choke, open channel mount, inductance 20H, DC current 20 ma. |
| Short Description | CHOKE |
| Enclosed-Type Alternative | 193 Series (more sizes and voltages in enclosed-type design) |
Dimensions
| Dimension A | 2.06” / 52.3 mm |
| Dimension B | 1.25” / 31.8 mm |
| Dimension C | 1.19” / 30.2 mm |
| Dimension D | 1.75” / 44.5 mm |
| Dimension G | 0.19” / 4.8 mm |
Electrical
| Hipot Test | Every unit Hipot tested (100%) at 1,500 VAC |
| DC Current | 20 ma. |
| Current Dependence | Less inductance at slightly higher currents, more inductance at lower currents |
| Inductance (+/- 15%) | 20H |
| Inductance Tolerance | 15% |
| Resistance (+/- 15%) | 1666 ohms |
| Resistance Tolerance | 15% |
| Inductance Measurement | Measured at rated D.C. current |
| Maximum Operating Volts DC | 300 V |
Identifiers
| UPC | 623980201108 |
| UNSPSC | 39121301 |
| Part Number | 154E |
Packaging & Shipping
| Shipping Weight | 0.3 lbs (0.14 kg) |
| Weight (Drawing) | 0.25 lbs / 0.11 kg |
| Unit Weight (Series Table) | 0.25 lbs |
Construction & Finish
| Leads | Minimum 5" long leads |
| Impregnation | Vacuum impregnated with polyurethane varnish |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What are the inductance and current ratings of the 154E?▾
The 154E is rated 20H (+/- 15%) at 20 ma. D.C. current, with 1666 ohms (+/- 15%) of resistance.
What is the maximum operating voltage of the 154E?▾
The 154E is rated for 300 V DC maximum operating voltage.
Will the 154E hold its inductance at a different current?▾
Inductance is measured at the rated 20 ma.. The series data notes units exhibit less inductance at slightly higher currents and more inductance at lower currents.
How does the 154E mount and how big is it?▾
It uses an economical open bracket channel mount (mounting style C2H). Its drawing gives dimensions A 2.06" (52.3 mm), B 1.25" (31.8 mm), C 1.19" (30.2 mm) and D 1.75" (44.5 mm), with a weight of 0.25 lbs / 0.11 kg.
Is the 154E RoHS and REACH compliant?▾
Yes. The part page lists the 154E as both RoHS compliant and REACH compliant.
Why do the 154E listings show different values?▾
The part page lists a shipping weight of 0.3 lbs (0.14 kg), while the series table and drawing give a unit weight of 0.25 lbs (0.11 kg).
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