Wurth Elektronik Surface Mount Pulse Transformer 1.25:1 Turns Ratio, 15μH Prim. Inductance, 0.02Ω Prim. Resistance
- RS Stock No.:
- 163-4299
- Mfr. Part No.:
- 750311385
- Brand:
- Wurth Elektronik
Subtotal (1 reel of 125 units)*
£550.25
(exc. VAT)
£660.25
(inc. VAT)
FREE delivery for orders over £50.00
Temporarily out of stock
- Shipping from 16 March 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
| Units | Per unit | Per Reel* | 
|---|---|---|
| 125 + | £4.402 | £550.25 | 
*price indicative
- RS Stock No.:
- 163-4299
- Mfr. Part No.:
- 750311385
- Brand:
- Wurth Elektronik
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
| Select all | Attribute | Value | 
|---|---|---|
| Brand | Wurth Elektronik | |
| Primary Inductance | 15µH | |
| Primary DC Resistance | 0.02Ω | |
| Secondary DC Resistance | 0.012Ω | |
| Turns Ratio | 1.25:1 | |
| Mounting Type | Surface Mount | |
| Leakage Inductance | 200nH | |
| Dimensions | 29.08 x 23.11 x 11.43mm | |
| Depth | 11.43mm | |
| Length | 29.08mm | |
| Width | 23.11mm | |
| Maximum Temperature | +125°C | |
| Secondary Voltage Rating | 13 V, 14 V | |
| Primary Voltage Rating | 18V | |
| Power Rating | 30W | |
| Isolation Voltage | 2.5kV | |
| Minimum Temperature | -40°C | |
| Select all | ||
|---|---|---|
| Brand Wurth Elektronik | ||
| Primary Inductance 15µH | ||
| Primary DC Resistance 0.02Ω | ||
| Secondary DC Resistance 0.012Ω | ||
| Turns Ratio 1.25:1 | ||
| Mounting Type Surface Mount | ||
| Leakage Inductance 200nH | ||
| Dimensions 29.08 x 23.11 x 11.43mm | ||
| Depth 11.43mm | ||
| Length 29.08mm | ||
| Width 23.11mm | ||
| Maximum Temperature +125°C | ||
| Secondary Voltage Rating 13 V, 14 V | ||
| Primary Voltage Rating 18V | ||
| Power Rating 30W | ||
| Isolation Voltage 2.5kV | ||
| Minimum Temperature -40°C | ||
- 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
The transformer is much smaller than a normal mains transformer for the same power rating due to the high operating frequency
Related links
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