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HomeProductsPower Supplies - (Board Mount)DC DC ConvertersTEN 3-1222N
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TEN 3-1222N - Traco Power

Manufacturer Part Number
TEN 3-1222N
Manufacturer
TRACO Power
Allelco Part Number
98D-TEN 3-1222N
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
47,680 pcs available, New & Original
Parts Description
DC DC CONVERTER +/-12V 3W
Package
24-DIP Module, 8 Leads
Data sheet
TEN 3-1222N.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 47680
  • Unit Price: $13.424
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $13.424 $13.42
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

TEN 3-1222N Tech Specifications
Traco Power - TEN 3-1222N technical specifications, attributes, parameters and parts with similar specifications to Traco Power - TEN 3-1222N

Product Attribute Attribute Value
Manufacturer TRACO Power
Voltage - Output 4 -
Voltage - Output 3 -
Voltage - Output 2 -12V
Voltage - Output 1 12V
Voltage - Isolation 1.5 kV
Voltage - Input (Min) 9V
Voltage - Input (Max) 18V
Type Isolated Module
Supplier Device Package -
Size / Dimension 1.25" L x 0.80" W x 0.40" H (31.8mm x 20.3mm x 10.2mm)
Series TEN 3N (3W)
Product Attribute Attribute Value
Power (Watts) 3 W
Package / Case 24-DIP Module, 8 Leads
Package Tube
Operating Temperature -40°C ~ 85°C (With Derating)
Number of Outputs 2
Mounting Type Through Hole
Features SCP
Efficiency 84%
Current - Output (Max) 125mA, 125mA
Base Product Number TEN 3
Approval Agency CB, cCSAus
Applications ITE (Commercial)

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) Not Applicable
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8504.40.9580

Frequently Asked Questions(FAQ)

What are the key electrical specifications and isolation requirements for the TEN 3-1222N isolated DC-DC converter when integrating it into a commercial ITE power system?
The TEN 3-1222N delivers dual ±12V outputs at 125mA each, totaling 3W of regulated power with 84% efficiency. It features robust 1.5 kV galvanic isolation, meeting stringent safety standards required in industrial and commercial environments. With an input range of 9V to 18V DC, it supports flexible front-end topologies while maintaining stable output under varying loads. This makes it suitable for applications such as signal conditioning, analog circuitry, or bidirectional logic rails where noise immunity and voltage symmetry are critical.
How does the TEN 3-1222N compare to other 3W isolated converters like the TEN 3-2422L in terms of input compatibility and thermal performance during continuous operation?
While both belong to Traco Power’s TEN 3N series, the TEN 3-1222N operates over a 9–18V input window, whereas the TEN 3-2422L accepts 18–36V input. This narrower input range on the TEN 3-1222N reduces design flexibility but improves efficiency at lower input voltages due to reduced conduction losses. Both models exhibit similar derating curves above 70°C ambient, but the tighter input tolerance of the TEN 3-1222N may result in slightly higher internal dissipation at full load near the upper input limit (e.g., 18V), requiring careful PCB layout and airflow planning in compact enclosures.
Can the TEN 3-1222N be safely used in space-constrained through-hole designs without compromising reliability or EMI characteristics?
Yes, the TEN 3-1222N’s compact 24-pin DIP package (31.8 × 20.3 mm) enables direct mounting on standard PCBs without adapters. Its through-hole construction ensures mechanical stability in high-vibration environments. However, due to its relatively low switching frequency (~200–300 kHz), attention must be paid to layout parasitics—particularly input/output capacitance placement—to avoid radiated emissions exceeding Class B limits in commercial settings. Adequate creepage/clearance spacing per UL 62368-1 should be maintained around the module.
What precautions should engineers take when paralleling multiple TEN 3-1222N units for increased current delivery?
The TEN 3-1222N lacks built-in current sharing or synchronization; therefore, paralleling outputs is not recommended. Attempting to share load between two such modules risks imbalance due to slight variations in output regulation (typically ±5% typical). One unit could carry up to 100% more current than another, leading to localized heating and premature failure. Instead, use a single higher-current isolated converter or implement active current-sharing circuitry if redundancy or extended capability is required.
Is the TEN 3-1222N suitable for battery-powered systems operating down to 7.5V nominal?
Although the datasheet specifies a minimum input of 9V, many users successfully operate the TEN 3-1222N from 7.5V Li-ion cells with pre-regulation. However, this extends beyond guaranteed specifications and introduces risk: efficiency drops significantly below 9V due to higher duty cycle stress on internal components. Additionally, transient brownout conditions common in battery drain cycles may violate startup sequencing requirements. For mission-critical applications, adding a low-dropout linear regulator or buck-boost prestage is advised to maintain reliable operation within spec.
How does the operating temperature derating curve affect long-term reliability when the TEN 3-1222N is deployed in sealed industrial enclosures?
The TEN 3-1222N maintains full rated output up to 70°C ambient; beyond that, output current must be linearly derated. At 85°C, only 50–60% of rated current can be sustained continuously without accelerated aging. In sealed enclosures with poor convection, internal junction temperatures can exceed case temperature by 30–40°C, effectively reducing usable output well before reaching the stated max ambient. Thermal simulation using worst-case power dissipation (P = Vin × Iin – Pin) and proper heatsinking modeling is essential for robust deployment.
What certification status and compliance markers make the TEN 3-1222N acceptable for global commercial electronics manufacturing?
The TEN 3-1222N carries CB and cCSAus certifications, indicating conformity to IEC 62368-1 and CAN/CSA C22.2 No. 62368-1 safety standards. It is RoHS3 compliant and unaffected by REACH restrictions. With an ECCN of EAR99 and HTSUS code 8504.40.9580, it qualifies for unrestricted trade in most jurisdictions. These credentials simplify import/export documentation and support CE marking declarations for end products targeting North America and Europe.
Why might a designer choose the TEN 3-1222N over a non-isolated switching regulator despite higher cost and size?
Isolation prevents ground loops, eliminates common-mode noise propagation, and provides safety barriers between primary and secondary circuits. In medical peripherals, test equipment, or communication interfaces, this is often mandatory per regulatory frameworks like FCC Part 15 or EN 61000-6-3. The TEN 3-1222N offers certified isolation voltage and transient protection (SCP), ensuring signal integrity and personnel safety where floating supplies are needed—features unattainable with simple buck/boost converters.
Does the TEN 3-1222N support hot-swapping or live insertion into powered backplanes?
No, the TEN 3-1222N is not designed for hot-plug operation. Sudden application of input voltage during system power-up can cause inrush currents exceeding 2× rated input current, potentially damaging input capacitors or upstream regulators. Without external soft-start circuitry, this violates safe operating practices outlined in the datasheet. Hot-swap scenarios require additional control FETs and timing networks to limit dI/dt and prevent latch-up.
What impact does input ripple voltage have on the performance and longevity of the TEN 3-1222N?
The TEN 3-1222N has limited rejection of input-side transients due to its moderate bandwidth. Input ripple exceeding 500 mVpp at switching frequencies can couple into the feedback loop, causing output jitter or instability. Prolonged exposure to high-amplitude ripple increases internal component stress, particularly on input filtering capacitors and MOSFETs. A π-filter with X-cap and ferrite bead is typically necessary when sourcing from long cables or noisy SMPS rails to maintain <100 mVpp ripple at the TEN 3-1222N input.
How does the efficiency metric of 84% influence thermal management decisions for the TEN 3-1222N in high-density layouts?
At full load (125 mA on each rail), total input power is approximately 3.6 W (Pin = Pout / η = 3W / 0.84), resulting in ~0.6 W dissipated as heat. This necessitates either adequate copper area on the PCB or forced airflow in confined spaces. Unlike digital controllers with variable switching frequencies, the fixed-frequency topology of the TEN 3-1222N generates consistent thermal load, simplifying thermal modeling but demanding precise enclosure thermal budgets during early-stage design reviews.

Parts with Similar Specifications

The three parts on the right have similar specifications to Traco Power TEN 3-1222N

Product Attribute TEN 3-1222 TEN 3-1223N TEN 3-1212N TEN 3-1221N
Part Number TEN 3-1222 TEN 3-1223N TEN 3-1212N TEN 3-1221N
Manufacturer Traco Power Traco Power Traco Power Traco Power
Power (Watts) - - - -
Series - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Efficiency - - - -
Voltage - Output 1 - - - -
Current - Output (Max) - - - -
Voltage - Input (Max) - - - -
Type - - - -
Applications - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Size / Dimension - - - -
Voltage - Input (Min) - - - -
Base Product Number - DAC34H84 MAX500 ADS62P42
Voltage - Isolation - - - -
Features - - - Simultaneous Sampling
Voltage - Output 2 - - - -
Approval Agency - - - -
Number of Outputs - - - -
Voltage - Output 4 - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Voltage - Output 3 - - - -
Supplier Device Package - 196-NFBGA (12x12) 16-PDIP 64-VQFN (9x9)
Mounting Type - Surface Mount Through Hole Surface Mount

TEN 3-1222N Datasheet PDF

Download TEN 3-1222N pdf datasheets and Traco Power documentation for TEN 3-1222N - Traco Power.

Datasheets
TEN 3N Series, 3 Watt Datasheet.pdf
HTML Datasheet
TEN 3N Series, 3 Watt Datasheet.pdf
Environmental Information
Traco Power NA REACH.pdf Traco Power NA RoHS Cert.pdf

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Customer Reviews

Evaluation: 10 Articles

  • Jess***Jones
    Apr 17, 2026

    It offers good value for the price, and the specifications match the description. I’ve been using it for two days with no issues, and I’ll definitely buy it again if I need it in the future.

  • Mich***Smith
    Apr 17, 2026

    Shipping was on time, the component pins are neatly aligned, and I tested 10 of them with a multimeter—all readings were within the specified range. Highly recommended.

  • Aman***arris
    Apr 3, 2026

    It was great—the entire process, from placing the order to receiving the package, went very smoothly. The components were consistent, the price was fair, and I had a very pleasant shopping experience.

  • Mike***nch
    Apr 3, 2026

    Better than expected! The resistance and capacitance readings were spot-on, and it passed the test on the first try. The service was reliable, and the packaging was thoughtful—I highly recommend it.

  • Daic***K.
    Mar 23, 2026

    Very good. No issue after long time testing.

  • Kevi***.
    Mar 17, 2026

    Fast switching and stable output. Very satisfied with this IC

  • Daou***hekebkeb
    Jun 16, 2024

    I had a great experience purchasing items from Allelcoelec, I recommend

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    Jun 19, 2024

    Good comunication,
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    Providing reasonable prices, regular follow-up of orders, providing accurate and regular invoices, timely delivery of goods, excellent customer service and providing original goods and best quality materials.

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    Morrey was very helpful and right on top of things!
    He replied quickly to my RFQ. He was very courteous and professional.

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Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.


Strict quality inspection builds a solid foundation for electronic component quality.
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Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.


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TEN 3-1222N Image

TEN 3-1222N

Traco Power
98D-TEN 3-1222N

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