MEANWELL LDD-350H MEAN WELL Switching Power Supply Original DC-DC Constant Current Step-Down LED Driver Lighting Transformers Лампы и - купить
Специальная цена от 828,99 руб.*
Категория товара: Lighting Transformers
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*Внимание! Указанная цена 828,99 руб. уже могла изменится, перед тем как купить данный товар перейдите на страницу продавца и проверьте актуальную стоимость.
| Месяц | Мин. | Макс. | Цена |
|---|---|---|---|
| 03.07.2026 | 985.76 | 1034.78 | 1009.5 руб. |
| 03.06.2026 | 977.92 | 1026.5 | 1001.5 руб. |
| 03.05.2026 | 820.78 | 861.80 | 840.5 руб. |
| 03.04.2026 | 960.28 | 1008.20 | 984 руб. |
| 03.03.2026 | 836.84 | 878.71 | 857 руб. |
| 03.02.2026 | 944.75 | 991.45 | 967.5 руб. |
| 03.01.2026 | 936.11 | 983.50 | 959.5 руб. |
| 03.12.2025 | 927.52 | 973.18 | 950 руб. |
| 03.11.2025 | 919.28 | 965.96 | 942 руб. |
Купить MEANWELL LDD-350H MEAN WELL Switching Power Supply Original DC-DC Constant Current Step-Down LED Driver Lighting Transformers | Лампы и
LDD-350H MEAN WELL Original DC-DC Constant Current Step-Down LED driver
Features :
Constant current output: 300mA to 1000mA Wide input voltage: 9 ~ 56VDC Wide output LED string voltage: 2 ~ 52VDC High efficiency up to 97% DC/DC step-down converter Built-in EMI filter, comply with EN55015 and FCC part15 without additional input filter and capacitors Built-in PWM and remote ON/OFF control Protections: Short circuit / Over temperature Cooling by free air convection Fully encapsulated with IP67 level Compact size Low cost, high reliability Suitable for driving illumination LED 3 years warranty
NOTE: 1.All parameters are specified at normal input(48VDC), rated load,25Degree 70% RH ambient.
2. Ripple & noise are measured at 20MHz by using a 12″ twisted pair terminated with a 0.1 uf capacitor.
3.Test condition:48VDC input.
4.Output voltage will always step down by 3 volts from input Dc voltage.
Package Included:
1PC X MEANWELL LDD-350H Led Driver
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MODEL |
LDD-350H |
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OUTPUT |
CURRENT RANGE |
350mA |
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VOLTAGE RANGE Note.4 |
2 ~ 52VDC |
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CURRENT ACCURACY (Typ.) |
±3% at 24VDC input ; ±4% at 48VDC input for LDD-H/HW ; ±5% for LDD-HS |
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RIPPLE & NOISE (max.) Note.2 |
150mVp-p |
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SWITCHING FREQENCY |
40KHz ~ 1000KHz |
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EXTERNAL CAPACITANCE LOAD (max.) |
2.2uF |
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INPUT |
VOLTAGE RANGE |
9 ~ 56VDC |
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EFFICIENCY (max.) |
97% at full load and 36VDC/48VDC input for LDD-H/HW ; 96% at full load and 36VDC/48VDC input for LDD-HS |
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DC CURRENT |
Full load Note.3 |
320mA |
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No load |
5mA |
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FILTER |
Capacitor |
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PWM DIMMING & ON/OFF CONTROL |
REMOTE ON/OFF |
Leave open if not use |
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Power ON with dimming: DIM ~ -Vin >2.5 ~ 6VDC or open circuit |
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Power OFF : DIM ~ -Vin < 0.8VDC or short |
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PWM FREQUENCY |
100 ~ 1KHz |
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QUIESCENT INPUT IN SHUTDOWN MODE(max.) CURRENT |
1mA at PWM dimming OFF and 24VDC input |
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SHORT CIRCUIT |
Regula ted at rated output c urrent |
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Protection type: Can be con tinued, recovers automatically after fault condition is removed |
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OVER TEMPERATURE |
Tj 150°C typically(IC1) detect on main control IC |
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Protection type : Shut down, recovers automatically after temperature goes down |
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ENVIRONMENT |
WORKING TEMP. |
-40 ~ + 85°C(Refer to derating curve) |
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WORKING HUMIDITY |
20% ~ 90% RH non-condensing for LDD-H/HW ; 20%~85% RH non-condensing for LDD-HS |
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STORAGE TEMP., HUMIDITY |
-55 ~ +125°C, 10 ~ 95% RH |
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TEMP. COEFFICIENT |
±0.03% / °C |
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VIBRATION |
10 ~ 500Hz, 2G 10min./1 cycle, period for 60min. each along X, Y, Z axes |
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OPERATING CASE TEMP. (max.) |
100°C |
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EMC |
EMC EMISSION |
Compliance to EN55015, FCC part 15 class B |
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EMC IMMUNITY |
Compliance to EN61000-4-2,3,4,6,8, light industry level, criteria A |
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OTHERS |
MTBF |
2000Khrs min. MIL-HDBK-217F (25°C) |
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DIMENSION |
31.8*20.3*12.2mm or 1.25"*0.8"*0.48" inch (L*W*H) for LDD-H/HW ; 31.8*20.3*11.4mm or 1.25"*0.8"*0.45" inch (L*W*H) for LDD-HS |
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WEIGHT |
LDD-H:15.6g ; LDD-HW:18g ; LDD-HS:12.8g |
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POTTING MATERIAL |
Expoxy(UL94-V0) for LDD-H/HW ; without potted for LDD-HS |
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