Features- 277Vac operation
- High power density 2" x 4" format
- 2" x 4" version available in L-frame and cage configurations
- Low conducted & radiated EMI: Class B without external filters, ferrites, or metal planes (all input configurations, into resistive load)
- Class I, Class II, or Class II with Functional Earth input configurations
- Auxiliary +12V output
Input| Input Voltage: | Nameplate: 110-277Vac
Specified: 99-305Vac (± 10% of nameplate) |
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| Input Frequency: | Nameplate: 50-60Hz
Specified: 47-63Hz |
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| Input Current: | 2.3A typ. @ 99Vac, 0.9A typ. @ 277Vac (full load) |
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| No Load Input Power: | <150mW @ 277Vac |
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| Inrush Current: | <100A @ 277Vac (cold start @ 25°C) |
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| Efficiency: | 90 - 95% typ. (full load) |
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| Power Factor: | >0.95 @ 110Vac, >0.90 @ 277Vac, 225W output
>0.90 @ 110Vac, >0.85 @ 277Vac, 100W output |
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Output| Output Power: | 225W (10CFM forced air)
140W (natural convection)
Ratings are inclusive of aux output power |
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| Turn-on Delay: | < 1 second @ 99Vac |
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| Output Voltage Tolerance: | ± 2.0% (set point + load/line regulation) |
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| Load Regulation: | ± 0.5% (measured at connector) |
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| Line Regulation: | ± 0.2% (measured at connector) |
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| Ripple: | 1% pk-pk (using a 47µF low-ESR cap + 0.1µF ceramic capacitor, measured @ 20MHz BW) |
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| Transient Response: | <5% deviation (with 25% load step), recovery to within 1% in 1ms |
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| Startup Overshoot: | <5% (full load) |
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| Hold-up Time: | 10ms min. (full load) @ 99Vac |
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| Aux Output Voltage Regulation: | 12V ± 2V (10V min. / 14V max.), for 0A ≤ IAux ≤ 1.2A
Aux regulation guaranteed when main output power ≥ 15% of 225W rating (~34W).
For main output power < 15%, aux output voltage may drop to < 50% of nominal rating, depending on aux output load. Please check with your system.
For main output = 12V, aux output voltage is same as main output. |
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| Aux Output Current: | 1.2A (10CFM forced air)
0.8A (natural convection) |
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| Output Indicator: | Green LED |
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Protections| Input Protection: | MOV transient suppressor, dual fuses (line + neutral) |
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| Over-Voltage Protection: | 110-130%, latched-off, cycle AC to reset |
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| Over-Current Protection: | 110-140%, auto-recovery |
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| Short Circuit Protection: | Non-latched with auto-recovery |
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| Over-Temperature Protection: | NTC temperature sensor embedded in transformer, trip between 115 - 120°, latched-off, cycle AC to reset (auto-recovery available as special option) |
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Environmental| MTBF: | 1,500,000 hours @ 25°C ambient, full load (Telcordia SR-332, Issue 3) |
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| Operating Temperature: | -20°C to 50°C (full output power), -25°C to 80°C (derated) |
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| Storage Temperature: | -30°C to 85°C |
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| Humidity: | 0% to 95% relative humidity, non-condensing |
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| Altitude: | 5000m max. |
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| Vibration: | Conforms to EN60068-2-6, ISO80601-2, EN1789 |
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Safety| Certifications: | IEC62368-1
IEC61558-2-16 |
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| Dielectric Withstand Voltage: | 4000VAC or 5656VDC, primary-to-secondary
1768VAC or 2500VDC, primary-to-earth (three-conductor input models only)
1500VAC or 2121VDC, secondary-to-earth (F2 configuration only) |
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| Output Touch Current: | 3-conductor input - NC: <25µA, SFC: <200µA
2-conductor input - NC: <65µA, SFC: <140µA
Complies with IEC62368-1 ES1 limits |
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| Earth Leakage Current | 3-conductor input: <200µA
2-conductor input: N/A
Complies with IEC62368-1 ES2 limits |
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| Primary-Secondary Bridging Capacitance: | Two IEC60384-14 certified Y1 capacitors in series |
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| Earth Continuity: | < 0.1Ω between earth terminal and DC output negative (Class I models only) |
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EMC| Certifications:: | Emissions: EN55032
Immunity: EN55024, SEMI F47 Voltage Sag |
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| Conducted Emissions: | Class B, FCC Part 15, Class B (with resistive load) |
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| Radiated Emissions: | Class B, FCC Part 15, Class B (with resistive load) |
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| Harmonic Current Voltage Distortion: | EN61000-3-2, Class A |
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| Voltage Fluctuations/Flicker: | EN61000-3-3 |
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| Electrostatic Discharge (ESD) Immunity: | EN61000-4-2, 10KV contact discharge, 20KV air discharge (applied to input or output terminals), Criterion A |
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| Radiated RF Immunity: | IEC61000-4-3, 10V/m @ 80-1000MHz, 3V/m @ 1-2.7GHz, 80% 1KHz AM, Criterion A |
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| EFT/Burst Immunity: | EN61000-4-4, 4KV/100kHz, Criterion A |
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| Line Surge Immunity: | EN61000-4-5, 2KV differential, 4KV common-mode, Criterion A |
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| Conducted RF Immunity: | IEC61000-4-6, 10VRMS, 80% 1KHz AM, Criterion A |
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| Power Frequency Magnetic Field Immunity: | EN61000-4-8, 30A/m, Criterion A |
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| Voltage Dip Immunity: | EN61000-4-11, 110 - 277Vac, Criterion A
SEMI F47 Voltage Sag (Required), 200 - 277Vac, up to 225W load
SEMI F47 Voltage Sag (Recommended), 200 - 277Vac, up to 150W load |
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Mechanical Formats| GTM962255PHV: | Open-frame: 101.6*50.8*30.0mm, 170g |
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| GTM962256PHV | L-frame: 103.5*62.3*40.0mm, 230g |
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| GTM962257PHV: | Cage: 103.5*62.3*40.0mm, 250g |
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| Note 1: | The open-frame format meets the above EMC specifications as a standalone unit. However, an L-frame or cage version may help to further improve EMI performance, or to help address other system level electrical/mechanical requirements. |
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Input/Output Connectors| Earth Terminal (J0): | Connector on PCB: Kang Yang PCH250 (0.250" x 0.031" Faston)
Recommended mate: TE Connectivity/AMP 2-520184-2
Note: Leave earth terminal disconnected for Class II input |
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| Input Connector (J1): | Connector on PCB: JST B2P3-VH
Pin 1: Line, Pin 2: Not used, Pin 3: Neutral
Recommended mate: JST VAR-2 (housing), JST SVA-41T-P1.1 (terminals) |
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| Main Output Connector (J2): | Connector on PCB: JST B6P-VH
Pin 1: COM, Pin 2: COM, Pin 3: COM , Pin 4: +VOUT, Pin 5: +VOUT, Pin 6: +VOUT
Recommended mate: JST VHR-6N (housing), JST SVH-21T-P1.1 (terminals) |
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| Aux Output Connector (J3): | Connector on PCB: Molex 22-04-1021
Pin 1: COM, Pin 2: +FAN
Recommended mate: Molex 22-01-1022 (housing), Molex 2759 (terminals) |
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Special Options- Custom labels/markings
- Short term output surge capability
- Reduced touch current
- Reduced output ripple
- Compliance to IPC-600, IPC-610, IPC-6012 Class 3
- IEC61000-3-2 Class-C line harmonics for LED lighting applications
- Non-latching (auto-recover) over-temperature protection
- Potentiometer to adjust/trim output voltage
- Custom aux output voltages (5V to 12V), available for main output voltages from 12-24V
Fan Airflow- For full 225W output power, the fan should provide at least 10CFM in the direction noted below.
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