Product Overview
The Bourns PCS Series Current Sense Transformers are designed for accurate current measurement in various electronic applications. These surface-mount transformers offer high frequency operation up to 1 MHz and a wide operating temperature range from -40 C to 125 C. They are ideal for use in switched-mode power supplies, motor control systems, overload sensing, and general AC current applications. The series includes models with rated primary currents up to 20 A (PCS020) and 40 A (PCS040), ensuring flexibility for different power requirements.
Product Attributes
- Brand: Bourns
- Compliance: RoHS compliant
- Core Material: P4
- Bobbin Material: PM9630
- Wire Material: XUEW and UEWH
- Tape Material: PI-310
- Glue Material: S-9001
- Clip Material: SUS301
- Packaging: PCS020 - 1000 pcs. per 13-inch reel; PCS040 - 300 pcs. per 13-inch reel
Technical Specifications
| Specification | PCS020 | PCS040 | |||||
|---|---|---|---|---|---|---|---|
| Rated current on primary | Up to 20 A (10 A typical) | Up to 40 A | |||||
| Frequency | Up to 1 MHz | ||||||
| Operating Temperature | -40 C to 125 C | ||||||
| Isolation Between Windings | 500 Vrms | 800 Vrms | |||||
| Moisture Sensitivity Level | 1 | ||||||
| Model | Bourns Part Number | Turns Ratio Primary : Secondary | Secondary Inductance Min. (mH) | DCR Volt-time Product on Secondary Max. (V-sec) | Terminating Resistance (1 V Output at Rated Current) () | Primary Ref. (m) | Secondary Max. () |
| PCS020 | PCS020-EE05081S | 1 : 20 | 0.081 | 7 | 0.4 | 10.8 | 1 |
| PCS020 | PCS020-EE05180S | 1 : 30 | 0.18 | 7 | 0.87 | 16.2 | 1.5 |
| PCS020 | PCS020-EE05320S | 1 : 40 | 0.32 | 7 | 1.14 | 21.6 | 2 |
| PCS020 | PCS020-EE05500S | 1 : 50 | 0.5 | 7 | 1.5 | 27 | 2.5 |
| PCS020 | PCS020-EE05730S | 1 : 60 | 0.73 | 7 | 1.98 | 32.4 | 3 |
| PCS020 | PCS020-EE05980S | 1 : 70 | 0.98 | 7 | 4.75 | 37.8 | 3.5 |
| PCS020 | PCS020-EE0502KS | 1 : 100 | 2.0 | 7 | 5.5 | 54 | 5 |
| PCS020 | PCS020-EE0503KS | 1 : 125 | 3.0 | 7 | 7 | 67.5 | 6.25 |
| PCS040 | PCS040-EF13340S | 1 : 20 | 0.34 | 1 | 0.18 | 50.8 | 0.5 |
| PCS040 | PCS040-EF13760S | 1 : 30 | 0.76 | 1 | 0.265 | 76.2 | 0.8 |
| PCS040 | PCS040-EF1301KS | 1 : 40 | 1.36 | 1 | 0.56 | 101.6 | 1 |
| PCS040 | PCS040-EF1302KS | 1 : 50 | 2.12 | 1 | 0.705 | 127 | 1.3 |
| PCS040 | PCS040-EF1303KS | 1 : 60 | 3.06 | 1 | 0.85 | 152.4 | 1.5 |
| PCS040 | PCS040-EF1304KS | 1 : 70 | 4.16 | 1 | 1 | 177.8 | 1.8 |
| PCS040 | PCS040-EF1305KS | 1 : 80 | 5.44 | 1 | 1.15 | 203.2 | 2 |
| PCS040 | PCS040-EF1308KS | 1 : 100 | 8.5 | 1 | 1.45 | 254 | 2.5 |
| PCS040 | PCS040-EF1313KS | 1 : 125 | 13.3 | 1 | 1.85 | 317.5 | 3.1 |
| PCS040 | PCS040-EF1319KS | 1 : 150 | 19.2 | 1 | 2.25 | 381 | 3.8 |
| PCS040 | PCS040-EF1334KS | 1 : 200 | 34 | 1 | 4.06 | 508 | 5 |
Note: Terminating resistor RT is based on 1 volt output with the rated current through the Primary. RT = Vout * Nsec / Iprim.
2411220604_BOURNS-PCS040-EF1301KS_C7256631.pdf
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