Wurth Elektronik Surface Pulse Transformer 1.25:1 Turns Ratio, 15 μH Prim. Inductance, 0.02Ω Prim. Resistance
- RS stock no.:
- 163-4299
- Mfr. Part No.:
- 750311385
- Manufacturer:
- Wurth Elektronik
Image representative of range
Subtotal (1 reel of 125 units)*
R 16 446,00
(exc. VAT)
R 18 912,875
(inc. VAT)
Add 125 units to get free delivery
Temporarily out of stock
- Shipping from 26 June 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units | Per unit | Per Reel* |
|---|---|---|
| 125 + | R 131.568 | R 16,446.00 |
*price indicative
- RS stock no.:
- 163-4299
- Mfr. Part No.:
- 750311385
- Manufacturer:
- Wurth Elektronik
Specification
Technical data sheets
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | Wurth Elektronik | |
| Product Type | Pulse Transformer | |
| Primary Inductance | 15μH | |
| Primary DC Resistance | 0.02Ω | |
| Secondary DC Resistance | 0.012Ω | |
| Turns Ratio | 1.25:1 | |
| Mount Type | Surface | |
| Leakage Inductance | 200nH | |
| Number of Pins | 12 | |
| Minimum Operating Temperature | -40°C | |
| Maximum Operating Temperature | 125°C | |
| Length | 29.08mm | |
| Width | 23.11 mm | |
| Depth | 11.43mm | |
| Series | WE‑FB | |
| Standards/Approvals | RoHS | |
| Isolation Voltage | 2.5kV | |
| Select all | ||
|---|---|---|
Brand Wurth Elektronik | ||
Product Type Pulse Transformer | ||
Primary Inductance 15μH | ||
Primary DC Resistance 0.02Ω | ||
Secondary DC Resistance 0.012Ω | ||
Turns Ratio 1.25:1 | ||
Mount Type Surface | ||
Leakage Inductance 200nH | ||
Number of Pins 12 | ||
Minimum Operating Temperature -40°C | ||
Maximum Operating Temperature 125°C | ||
Length 29.08mm | ||
Width 23.11 mm | ||
Depth 11.43mm | ||
Series WE‑FB | ||
Standards/Approvals RoHS | ||
Isolation Voltage 2.5kV | ||
- COO (Country of Origin):
- CN
Wurth Flyback Transformers
Designed specifically for DC-DC convertors and offline PWM switching regulators
The transformer is much smaller than a normal mains transformer for the same power rating due to the high operating frequency
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