In today's compact and efficiency-driven electronics market, the demand for reliable isolated power modules like the TUD-1215A from Diwell Electronics is surging. This dual-output (±15V) DC-DC converter delivers 1W of stable power with 82% efficiency, ideal for commercial ITE applications. Its 1.5kV isolation and wide operating temperature range (-25°C to 71°C) ensure robustness in diverse environments. Discover why engineers trust the TUD-1215A for critical designs—read on for detailed specifications, application insights, and competitive advantages.

Product Overview
The TUD-1215A is a through-hole-mount isolated DC-DC converter in a compact 14-DIP package (20.3mm × 10.2mm × 7.1mm). Key features include:
Input Voltage: 10.8V to 13.2V
Outputs: +15V (34mA) and -15V (34mA)
Isolation Voltage: 1.5kV
Efficiency: 82% (typical)
Core Parameters
| Parameter | Value | Source |
|---|---|---|
| Input Range | 10.8V–13.2V | Diwell Datasheet (TU Series) |
| Output Power | 1W (0.5W per rail) | |
| Isolation | 1.5kV | |
| Operating Temp. | -25°C to 71°C | |
| Package | 14-DIP (6 leads) |
Selection Guide
Choose the TUD-1215A when:
Dual ±15V rails are required for analog circuits (e.g., op-amps).
Space constraints favor a compact 1W solution.
Moderate isolation (1.5kV) is sufficient.
Alternatives: For higher power (3W), consider the TUD-1215B, but note its larger footprint.
Application Cases
Industrial Sensors: Powers signal conditioning circuits.
Medical Devices: Isolated supply for low-noise analog stages.
Test Equipment: Dual-rail source for calibration.
Market Analysis
According to MarketsandMarkets, the DC-DC converter market will grow at 9.2% CAGR (2023–2028), driven by demand for miniaturized power solutions like the TUD-1215A.
FAQs
Q1: Can the TUD-1215A handle 12V automotive input?
A: Yes, its 10.8V–13.2V range covers nominal 12V systems.
Q2: Is the negative output adjustable?
A: No, both outputs are fixed at ±15V.
Q3: What’s the typical MTBF?
A: 500,000 hours per MIL-HDBK-217F.
Q4: Does it require external capacitors?
A: Yes, 10μF on input/output is recommended.
Q5: Is it RoHS compliant?
A: Yes, per Directive 2011/65/EU.
Future Trends
Expect higher-efficiency (>90%) and wider-temperature variants as GaN technology advances.