
Hammond 193P 5H 500mA Enclosed DC Filter Choke, 800VDC
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Create Free Business AccountKey Features
- 5 H inductance at 500 mA rated DC current
- 26 ohm resistance; 800 VDC maximum operating voltage
- Enclosed 4-hole chassis mount case, X14 mounting style with .203 x .38 in slots
- Vacuum impregnated with polyurethane varnish for quiet, long-life operation
- 15% tolerance on inductance and resistance; inductance measured at rated DC
- Minimum 8 in long leads
- Insulation class 105C; operating range -40C to 65C
- RoHS and REACH compliant
The Hammond 193P is a D.C. filter choke from the 193 Series of enclosed and potted chassis mount chokes, rated 5 henries at 500 mA DC. It is designed for high voltage power supply filtering, and is a natural fit for tube amplifier builders, audio equipment restorers and OEM engineers designing linear DC supplies.
The 193P is the highest-current 5 henry choke in the 193 Series, carrying 500 mA with a low 26 ohm resistance in the X14 enclosed case, rated to 800 VDC.
The 193P is an enclosed, 4-hole chassis mount choke using the X14 mounting style: Dimension A 3.75 in, B 4.50 in, C 4.56 in, D 3.00 in and E 3.31 in, with .203 x .38 in mounting slots. The unit is vacuum impregnated with polyurethane varnish for quiet, long-life operation, has minimum 8 in long leads, and its case matches power transformers and tube audio output transformers.
Electrically, the 193P has a resistance of 26 ohms and a maximum operating voltage of 800 VDC. Inductance is measured at rated D.C. current, with a tolerance of 15% on both inductance and resistance; the unit will exhibit less inductance at slightly higher currents and more at lower currents. Insulation class is 105C and the operating temperature range is -40C to 65C. The part is RoHS and REACH compliant.
The series table lists a weight of 10.75 lbs, and the shipping weight is 10.8 lbs (4.90 kg).
Ideal For
- High voltage power supply filtering
- Tube audio equipment power supplies
- Tube audio equipment matching Hammond power and output transformer cases
- Chassis mount DC filter in linear power supplies
Mounting
| Mounting Type | Enclosed, 4-hole chassis mount |
| Mounting Slot (G) | .203 x .38 in |
| Mounting Style (Dimension Ref.) | X14 |
Overview
| Style | Enclosed |
| Series | 193 Series (Enclosed & Potted Chassis Mount) |
| Product Type | D.C. Filter Choke |
| Long Description | DC Filter Choke, Enclosed chassis mount, inductance 5H @ 500mA, 193 Series |
| Short Description | CHOKE 5H @ 500mA DC |
Dimensions
| Dimension A | 3.75 in |
| Dimension B | 4.50 in |
| Dimension C | 4.56 in |
| Dimension D | 3.00 in |
| Dimension E | 3.31 in |
Electrical
| Tolerance | 15% on both inductance and resistance |
| Inductance | 5H |
| Resistance | 26 Ohms |
| DC Current | 500 mA |
| Insulation Class | 105C |
| Inductance Measurement | Measured at rated D.C. current |
| Maximum Operating Voltage | 800 VDC |
Identifiers
| UPC | 623980259703 |
| UNSPSC | 39121301 |
| Part Number | 193P |
Packaging & Shipping
| Shipping Weight | 10.8 lbs (4.90 kg) |
| Weight (Series Table) | 10.75 lbs |
Construction & Finish
| Lead Length | Minimum 8 in |
| Impregnation | Vacuum impregnated with polyurethane varnish |
Environmental & Protection
| Operating Temperature Range | -40C to 65C |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What are the inductance and current ratings of the 193P?▾
The 193P is rated 5H at 500 mA DC, with inductance measured at rated D.C. current and a 15% tolerance on inductance and resistance.
What is the maximum operating voltage of the 193P?▾
800 VDC maximum operating voltage.
How is the 193P mounted?▾
It is an enclosed, 4-hole chassis mount choke in the X14 mounting style with .203 x .38 in mounting slots.
Why does my measured inductance differ from the rating?▾
Inductance is specified at rated D.C. current; units exhibit less inductance at slightly higher currents or more at lower currents. The manufacturer notes that proper henry testing requires an LCR meter in junction with a 25A power supply that allows DC bias and a higher applied AC drive voltage.
What temperature and insulation ratings does the 193P have?▾
Insulation class is 105C and the operating temperature range is -40C to 65C.
Are open bracket-mount versions available?▾
For more sizes and voltages in an open, bracket mount type, the manufacturer points to its 153-159 Series.
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