Product Overview
The Bourns PCS Series Current Sense Transformers are designed for accurate current measurement in various electronic applications. These surface-mount transformers support frequencies up to 1 MHz and operate within a temperature range of -40 C to 125 C. They are ideal for use in switched-mode power supplies, motor control, overload sensing, and general AC current applications. The series offers models with rated primary currents up to 20 A (PCS020) and 40 A (PCS040), with high isolation between windings.
Product Attributes
- Brand: Bourns
- Compliance: RoHS compliant
- Materials: Core (P4), Bobbin (PM9630), Wire (XUEW and UEWH), Tape (PI-310), Glue (S-9001), Clip (SUS301)
Technical Specifications
| Specification | PCS020 | PCS040 | Unit |
|---|---|---|---|
| Rated current on primary | Up to 20 A (10 A typical) | Up to 40 A | A |
| Frequency | Up to 1 MHz | MHz | |
| Operating Temperature | -40 to +125 | C | |
| Isolation Between Windings | 500 Vrms | 800 Vrms | Vrms |
| Moisture Sensitivity Level | 1 | ||
| Packaging | 1000 pcs. per 13-inch reel | 300 pcs. per 13-inch reel | |
Electrical Specifications @ 25 C
| Bourns Part Number | Turns Ratio Primary : Secondary | Secondary Inductance Min. (mH) | DCR Secondary Max. () | Volt-time Product on Secondary Max. (V-sec) | Terminating Resistance (1 V Output at Rated Current) () |
|---|---|---|---|---|---|
| PCS020-EE05081S | 1 : 20 | 0.081 | 1 | 7 | 0.4 |
| PCS020-EE05180S | 1 : 30 | 0.18 | 1.5 | 7 | 0.87 |
| PCS020-EE05320S | 1 : 40 | 0.32 | 2 | 7 | 1.14 |
| PCS020-EE05500S | 1 : 50 | 0.5 | 2.5 | 7 | 1.5 |
| PCS020-EE05730S | 1 : 60 | 0.73 | 3 | 7 | 1.98 |
| PCS020-EE05980S | 1 : 70 | 0.98 | 3.5 | 7 | 4.75 |
| PCS020-EE0502KS | 1 : 100 | 2.0 | 5 | 7 | 5.5 |
| PCS020-EE0503KS | 1 : 125 | 3.0 | 6.25 | 7 | 7 |
| PCS040-EF13340S | 1 : 20 | 0.34 | 0.5 | 1 | 0.18 |
| PCS040-EF13760S | 1 : 30 | 0.76 | 0.8 | 1 | 0.265 |
| PCS040-EF1301KS | 1 : 40 | 1.36 | 1 | 1 | 0.56 |
| PCS040-EF1302KS | 1 : 50 | 2.12 | 1.3 | 1 | 0.705 |
| PCS040-EF1303KS | 1 : 60 | 3.06 | 1.5 | 1 | 0.85 |
| PCS040-EF1304KS | 1 : 70 | 4.16 | 1.8 | 1 | 1 |
| PCS040-EF1305KS | 1 : 80 | 5.44 | 2 | 1 | 1.15 |
| PCS040-EF1308KS | 1 : 100 | 8.5 | 2.5 | 1 | 1.45 |
| PCS040-EF1313KS | 1 : 125 | 13.3 | 3.1 | 1 | 1.85 |
| PCS040-EF1319KS | 1 : 150 | 19.2 | 3.8 | 1 | 2.25 |
| PCS040-EF1334KS | 1 : 200 | 34 | 5 | 1 | 4.06 |
Product Dimensions
Dimensions are provided in MM (INCHES). Unless otherwise specified, all tolerances are 0.25 / (.010).
PCS020:
- Overall dimensions: 8.00 (.315) MAX. (Length), 6.22 (.245) MAX. (Width), 5.30 (.209) MAX. (Height)
- Pin dimensions: 1.85 (.073) (Length), 0.60 (.024) (Width), 0.10 (.004) (Thickness)
PCS040:
- Overall dimensions: 10.50 (.413) MAX. (Length), 19.91 (.784) MAX. (Width), 16.51 (.650) MIN. (Height)
- Pin dimensions: 1.85 (.073) (Length), 0.60 (.024) (Width), 0.10 (.004) (Thickness)
How To Order
PCS XXX - YY ZZZ S
- PCS: Current Sense Transformer
- XXX: Rated Current (020 for 20 A, 040 for 40 A)
- YY: Bobbin Size (EE05 for Bobbin EE5, EF13 for Bobbin EF12.6)
- ZZZ: Inductance (see table)
- S: PCB type (SMD Soldering Profile)
Soldering Profile
Lead-free solder profile with ramp-up, pre-heat, reflow, and cool-down stages. Peak temperature: 250 +0/-5 C, maximum duration at peak temperature: 10 s. max. tp < 30 s.
2411220604_BOURNS-PCS020-EE05320S_C6356989.pdf
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