Hammond 1539M10 5uH 20A EMI/RFI Choke, Ferrite Bobbin Core
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Create Free Business AccountKey Features
- 5 uH +/- 10% inductance, measured at 1 kHz with 0 A DC
- 20 A maximum DC current rating
- 0.005 ohms maximum DC resistance
- 26.7 MHz minimum Fo
- High saturation flux density ferrite bobbin core
- 1 in long leads, tinned to within 1/8 in of body
- Typical inductance change under 5% at twice rated current
- RoHS and REACH compliant
The 1539M10 is an EMI/RFI choke from the 1539 series, described by the manufacturer as a heavy duty RF hash choke. It is rated 5 uH +/- 10% with a maximum DC current of 20 A, making it a practical choice for electronics designers and OEM engineers building filtering circuits or energy storage inductors.
The 1539M10 has the highest DC current rating (20 A) and the lowest maximum DC resistance (0.005 ohms) in the 1539 series, on a 1.22 in by 1.11 in maximum outline. Other 5 uH values on the 1539 specification sheet are 1539M01 (15 A), so compare current rating and body size when choosing.
The choke is built on a high saturation flux density ferrite bobbin core. It has 1 in long leads, tinned to within 1/8 in of the body. Maximum DC resistance is 0.005 ohms and the minimum Fo is 26.7 MHz.
- Inductance: 5 uH +/- 10%
- Fo minimum: 26.7 MHz
- Maximum DC resistance: 0.005 ohms
- Maximum DC current: 20 A
- Maximum Dim. A: 1.22 in (31 mm); maximum Dim. B: 1.11 in (28 mm)
- Typical Dim. C: 0.94 in (24 mm); typical Dim. D: 0.08 in (2 mm)
Inductance for the 1539 series is measured at 1 kHz with 0 A DC current, and typical inductance change is less than 5% at twice rated current. The 1539M10 is RoHS and REACH compliant and has a shipping weight of 0.1 lbs (0.05 kg).
Ideal For
- EMI/RFI noise filtering
- RF hash suppression
- Energy storage inductor
- DC power line filtering
- High-current DC filtering
Overview
| Core | High saturation flux density ferrite bobbins |
| Series | 1539 Series |
| Description | RF Choke, heavy duty hash choke |
| Typical Use | Filtering or energy storage inductors |
| Product Type | EMI/RFI Choke (RF Choke) |
Dimensions
| Dim. A (Maximum) | 1.22 in (31 mm) |
| Dim. B (Maximum) | 1.11 in (28 mm) |
| Dim. C (Typical) | 0.94 in (24 mm) |
| Dim. D (Typical) | 0.08 in (2 mm) |
Electrical
| Fo Min. | 26.7 MHz |
| Inductance (L) | 5 uH +/- 10% |
| Inductance Change | Typically less than 5% at twice rated current |
| DC Current (I - DC Max) | 20 A |
| Inductance Test Condition | Measured at 1 kHz with 0 A DC current |
| DC Resistance (R - DC Max) | 0.005 ohms |
Identifiers
| UPC | 623980300313 |
| UNSPSC | 39121301 |
| Part Number | 1539M10 |
Packaging & Shipping
| Shipping Weight | 0.1 lbs (0.05 kg) |
Construction & Finish
| Leads | 1" long, tinned to within 1/8" of body |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is the inductance and current rating of the 1539M10?▾
The 1539M10 is rated 5 uH +/- 10% with a maximum DC current of 20 A and a maximum DC resistance of 0.005 ohms.
How is the inductance measured, and how stable is it under load?▾
Inductance for the 1539 series is measured at 1 kHz with 0 A DC current. Typical inductance change is less than 5% at twice the rated current.
What is the minimum Fo of the 1539M10?▾
The 1539M10 is listed at 26.7 MHz Fo minimum.
How big is the 1539M10?▾
The series table lists a maximum Dim. A of 1.22 in (31 mm), maximum Dim. B of 1.11 in (28 mm), typical Dim. C of 0.94 in (24 mm) and typical Dim. D of 0.08 in (2 mm). The leads are 1 in long.
Is it RoHS and REACH compliant?▾
Yes. The 1539M10 is listed as both RoHS compliant and REACH compliant.
Are there other 5 uH chokes in the 1539 series?▾
Yes. 1539M01 is rated 15 A, compared with 20 A for the 1539M10.
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