Hammond 1538M15 5uH 19A EMI/RFI Ferrite Rod Choke, 34.7 MHz SRF
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Create Free Business AccountKey Features
- 5 uH inductance, +/-10%, measured at 1 kHz with 0 A DC
- 19 A maximum DC current
- 0.006 ohm maximum DC resistance
- 34.7 MHz self-resonant frequency
- Typical inductance change under 5% at twice rated current
- High saturation flux density ferrite rod
- 1 in leads tinned to within 1/8 in of body
- Ambient temperature range -60 C to +85 C
The 1538M15 is an EMI/RFI choke from the 1538 Series, providing 5 uH (+/-10%) with a maximum DC current of 19 A. Built on a high saturation flux density ferrite rod, the series is described as ideal for filtering or energy storage inductors, for engineers specifying EMI/RFI chokes in power and signal designs.
Electrical ratings for the 1538M15 are a maximum DC resistance of 0.006 ohms and a self-resonant frequency of 34.7 MHz. Inductance is measured at 1 kHz with 0 A DC current, and the typical inductance change is less than 5% at twice rated current.
The 1538 series offers 5 uH in several current ratings. Alongside the 1538M15 at 19 A there are higher-current 5 uH versions (1538M21 at 23 A) and lower-current 5 uH versions (1538M01 at 10 A, 1538M08 at 14 A), so check the current your circuit will carry when selecting between them.
Physical size follows the series drawing dimensions: Dim. A 1.12 in (28 mm) maximum, Dim. B 0.69 in (18 mm) maximum, Dim. C 0.81 in (21 mm) typical and Dim. D 0.07 in (2 mm) typical. The 1 in long leads are tinned to within 1/8 in of the body.
The rated ambient temperature range is -60 C to +85 C. The 1538M15 is RoHS and REACH compliant, has a shipping weight of 0.1 lbs (0.05 kg), and is identified by UPC 623980300092 and UNSPSC 39121301.
Ideal For
- EMI/RFI filtering
- Filtering inductors carrying up to 19 A DC
- Energy storage inductors
- Ambient environments from -60 C to +85 C
Overview
| Series | 1538 Series EMI/RFI Chokes |
| Application | Ideal for filtering or energy storage inductors |
| Part Number | 1538M15 |
| Product Type | RF Choke, heavy duty hash choke |
| Long Description | RF Choke, heavy duty hash choke, inductance 5uH, DC current 19A, 1538 series |
| Short Description | RF CHOKE |
Dimensions
| Lead Length | 1 in |
| Dim. A (Maximum) | 1.12 in (28 mm) |
| Dim. B (Maximum) | 0.69 in (18 mm) |
| Dim. C (Typical) | 0.81 in (21 mm) |
| Dim. D (Typical) | 0.07 in (2 mm) |
Electrical
| Inductance | 5 uH |
| Inductance Change | Typically less than 5% at twice rated current |
| Inductance Tolerance | +/-10% |
| Maximum DC Current | 19 A |
| Inductance Measurement | 1 kHz with 0 A D.C. current |
| Maximum DC Resistance | 0.006 ohms |
| Self-Resonant Frequency | 34.7 MHz |
Identifiers
| UPC | 623980300092 |
| UNSPSC | 39121301 |
Packaging & Shipping
| Shipping Weight | 0.1 lbs (0.05 kg) |
Construction & Finish
| Core | High saturation flux density ferrite rod |
| Leads | Tinned to within 1/8 in of body |
Environmental & Protection
| Ambient Temperature Range | -60 C to +85 C |
Compliance & Certifications
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
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Frequently Asked Questions
What is the inductance and current rating of the 1538M15?▾
5 uH (+/-10%) with a maximum DC current of 19 A.
What is the self-resonant frequency of the 1538M15?▾
34.7 MHz, with a maximum DC resistance of 0.006 ohms.
How much does the inductance of the 1538M15 drop under DC load?▾
Inductance is measured at 1 kHz with 0 A DC; the typical inductance change is less than 5% at twice rated current.
Are there other 5 uH parts in the 1538 series?▾
Yes: 1538M01 (10 A), 1538M08 (14 A), 1538M21 (23 A). The 1538M15 is the 19 A version.
What are the dimensions of the 1538M15?▾
Dim. A 1.12 in (28 mm) max, Dim. B 0.69 in (18 mm) max, Dim. C 0.81 in (21 mm) typical, Dim. D 0.07 in (2 mm) typical, with 1 in leads tinned to within 1/8 in of the body.
What temperature range is the 1538M15 rated for?▾
An ambient temperature range of -60 C to +85 C.
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