TRACOPOWER TMR 3 DC-DC Converter, ±12V dc/ ±125mA Output, 9 → 18 V dc Input, 3W, Through Hole, +85°C Max Temp
- RS Stock No.:
- 438-187
- Mfr. Part No.:
- TMR 3-1222
- Brand:
- TRACOPOWER
Bulk discount available
Subtotal (1 unit)*
£20.29
(exc. VAT)
£24.35
(inc. VAT)
FREE delivery for orders over £50.00
In Stock
- 3 unit(s) ready to ship from another location
- Plus 17 unit(s) shipping from 07 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
| Units | Per unit | 
|---|---|
| 1 - 4 | £20.29 | 
| 5 - 9 | £19.68 | 
| 10 - 24 | £19.07 | 
| 25 - 49 | £18.26 | 
| 50 + | £17.45 | 
*price indicative
- RS Stock No.:
- 438-187
- Mfr. Part No.:
- TMR 3-1222
- 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 | 9 → 18 V dc | |
| Power Rating | 3W | |
| Input Voltage Nominal | 12 V dc | |
| Output Current | ±125mA | |
| Mounting Type | Through Hole | |
| Isolated | Yes | |
| Number of Outputs | 2 | |
| Package | SIP 8 | |
| Isolation Voltage | 1.5kV dc | |
| Depth | 11.1mm | |
| Length | 21.8mm | |
| Width | 9.2mm | |
| Series | TMR 3 | |
| Load Regulation | ±1% | |
| Minimum Temperature | -40°C | |
| Maximum Temperature | +85°C | |
| Efficiency | 83% | |
| Select all | ||
|---|---|---|
| Brand TRACOPOWER | ||
| Output Voltage ±12V dc | ||
| Input Voltage Range 9 → 18 V dc | ||
| Power Rating 3W | ||
| Input Voltage Nominal 12 V dc | ||
| Output Current ±125mA | ||
| Mounting Type Through Hole | ||
| Isolated Yes | ||
| Number of Outputs 2 | ||
| Package SIP 8 | ||
| Isolation Voltage 1.5kV dc | ||
| Depth 11.1mm | ||
| Length 21.8mm | ||
| Width 9.2mm | ||
| Series TMR 3 | ||
| Load Regulation ±1% | ||
| Minimum Temperature -40°C | ||
| Maximum Temperature +85°C | ||
| Efficiency 83% | ||
- COO (Country of Origin):
- TW
Traco 3W SIP Single/Dual Output Regulated Isolated DC-DC Converter - TMR 3 Series
The TMR-3 series is a family of 3W single/dual output DC/DC converters with a compact SIP-8 package, regulated output and a wide 2:1 input voltage range.  These Traco Power 3W single/dual output DC/DC converters are highly efficient allowing a -40 to +85°C operating temperature range. The compact size of these single/dual output DC/DC converters make them ideal for use in applications such as communication equipment, instrumentation and industrial electronics.
Wide 2:1 input voltage range
Regulated outputs
1500 and 3000 V input / output isolation
Remote On/Off Control
Continuous short circuit protection
UL94V-0 package material
SIP-8 package
Regulated outputs
1500 and 3000 V input / output isolation
Remote On/Off Control
Continuous short circuit protection
UL94V-0 package material
SIP-8 package
Standards
IEC/EN 60950-1, UL 60950-1
Approvals
UL/cUL
Related links
- TRACOPOWER TMR 3 DC-DC Converter 9 → 18 V dc Input Through Hole, +85°C Max Temp
- TRACOPOWER TDR 3 DC-DC Converter 9 → 18 V dc Input Through Hole, +85°C Max Temp
- TRACOPOWER TEC 3 DC-DC Converter 9 → 18 V dc Input Through Hole, +90°C Max Temp
- TRACOPOWER TES 3 DC-DC Converter 9 → 18 V dc Input Surface Mount, +85°C Max Temp
- TRACOPOWER TVN 3 DC-DC Converter 9 → 18 V dc Input Through Hole, +75°C Max Temp
- TRACOPOWER TRN 3 DC-DC Converter 9 → 18 V dc Input Through Hole, +85°C Max Temp
- TRACOPOWER TEL 3 DC-DC Converter 9 → 18 V dc Input Through Hole, +85°C Max Temp
- TRACOPOWER TDL 3 DC-DC Converter 9 → 18 V dc Input Through Hole, +80°C Max Temp
