TRACOPOWER TDR 3WISM DC-DC Converter, 12V dc/ 250mA Output, 18 → 75 V dc Input, 3W, Surface Mount, +85°C Max
- RS Stock No.:
- 166-5811
- Mfr. Part No.:
- TDR 3-4812WISM
- Brand:
- TRACOPOWER
Bulk discount available
Subtotal (1 tube of 10 units)*
£290.25
(exc. VAT)
£348.30
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 5 unit(s) ready to ship
- Plus 999,999,994 unit(s) shipping from 24 February 2026
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Tube(s) | Per Tube | Per unit* |
|---|---|---|
| 1 - 4 | £290.25 | £29.025 |
| 5 - 9 | £281.55 | £28.155 |
| 10 - 24 | £272.84 | £27.284 |
| 25 - 49 | £261.23 | £26.123 |
| 50 + | £249.62 | £24.962 |
*price indicative
- RS Stock No.:
- 166-5811
- Mfr. Part No.:
- TDR 3-4812WISM
- Brand:
- TRACOPOWER
Specifications
Technical Reference
Legislation and Compliance
Product Details
Find similar products by selecting one or more attributes.
Select all | Attribute | Value |
|---|---|---|
| Brand | TRACOPOWER | |
| Output Voltage | 12V dc | |
| Input Voltage Range | 18 → 75 V dc | |
| Power Rating | 3W | |
| Input Voltage Nominal | 48 V dc | |
| Output Current | 250mA | |
| Mounting Type | Surface Mount | |
| Isolated | Yes | |
| Number of Outputs | 1 | |
| Package | SOIC 14 | |
| Isolation Voltage | 1.5kV dc | |
| Length | 18.9mm | |
| Depth | 8.45mm | |
| Series | TDR 3WISM | |
| Load Regulation | ±1% | |
| Minimum Temperature | -40°C | |
| Maximum Temperature | +85°C | |
| Efficiency | 81% | |
Select all | ||
|---|---|---|
Brand TRACOPOWER | ||
Output Voltage 12V dc | ||
Input Voltage Range 18 → 75 V dc | ||
Power Rating 3W | ||
Input Voltage Nominal 48 V dc | ||
Output Current 250mA | ||
Mounting Type Surface Mount | ||
Isolated Yes | ||
Number of Outputs 1 | ||
Package SOIC 14 | ||
Isolation Voltage 1.5kV dc | ||
Length 18.9mm | ||
Depth 8.45mm | ||
Series TDR 3WISM | ||
Load Regulation ±1% | ||
Minimum Temperature -40°C | ||
Maximum Temperature +85°C | ||
Efficiency 81% | ||
- COO (Country of Origin):
- TW
TRACOPOWER TDR 3WISM Series DC-DC Converter, 0.81 Efficiency, 1.5kV DC Isolation Voltage - TDR 3-4812WISM
This DC-DC converter efficiently transforms higher voltage inputs into a stable 12 V DC output, making it valuable for various automation and instrumentation applications. It supports an input voltage range of 18-75 V DC, providing flexibility and performance in various environments.
Features & Benefits
• Compact SMD package optimises space in electronic designs
• High input voltage range suits diverse application requirements
• Fully regulated output ensures consistent voltage supply
• Continuous short-circuit protection improves system reliability
• Remote On/Off control simplifies power management
• Complies with RoHS for environmental safety
• High input voltage range suits diverse application requirements
• Fully regulated output ensures consistent voltage supply
• Continuous short-circuit protection improves system reliability
• Remote On/Off control simplifies power management
• Complies with RoHS for environmental safety
Applications
• Powers communication equipment for consistent performance
• Ideal for industrial electronics demanding stability and efficiency
• Used in instrumentation systems requiring precise voltage
• Suitable for space-constrained devices needing surface mount modules
• Ideal for industrial electronics demanding stability and efficiency
• Used in instrumentation systems requiring precise voltage
• Suitable for space-constrained devices needing surface mount modules
How do I connect it for remote control operation?
Connect an appropriate control signal to the designated pin for activation.
What is the maximum temperature it can operate under?
It operates optimally at temperatures up to +85°C without derating.
Is there a specific input fuse recommendation for this model?
A slow blow fuse rated at 1,000 mA is advised for maximum safety.
Can this module withstand high humidity environments?
Yes, it functions in relative humidity conditions of up to 95% without condensation.
How does this converter handle short-circuit situations?
It comes with continuous short-circuit protection and automatic recovery for system safety and stability.