Features:
AC input range selectable by switch
Protections: Short circuit / Overload / Over voltage
Forced air cooling by built-in DC fan
PWM control and regulated
Built-in cooling Fan ON-OFF control
100% full load burn-in test
Fixed switching frequency at 25 KHz
Low cost
1 year warranty
MODEL | S-350-20 | |
OUTPUT | DC VOLTAGE | 20V |
RATED CURRENT | 17.5A | |
CURRENT RANGE | 0 ~ 17.5A | |
RATED POWER | 350W | |
RIPPLE & NOISE (max.) Note.2 | 150mVp-p | |
VOLTAGE ADJ. RANGE | 18 ~ 22V | |
VOLTAGE TOLERANCE Note.3 | ±1.0% | |
LINE REGULATION | ±0.5% | |
LOAD REGULATION | ±0.5% | |
SETUP, RISE, HOLD TIME | 200ms, 50ms, 20ms at full load | |
INPUT | VOLTAGE RANGE | 90 ~ 132VAC / 180 ~ 264VAC by switch 254 ~ 370VDC |
FREQUENCY RANGE | 47 ~ 63Hz | |
EFFICIENCY (Typ.) | 80% | |
AC CURRENT | 6.5A/115VAC 4A/230VAC | |
INRUSH CURRENT (max.) | 25A/115VAC 50A/230VAC | |
LEAKAGE CURRENT | <3.5mA / 240VAC | |
PROTECTION | OVERLOAD | 105 ~ 135% rated output power |
Protection type: Constant current limiting, recovers automatically afterfault condition is removed. | ||
OVER VOLTAGE | 23 ~ 27V | |
Protection type: Hiccup mode, recovers automatically after fault conditionis removed. | ||
FUNCTION | FAN CONTROL O.T.P. | RTH3 ≥55ºC FAN ON, ≤50ºC FAN OFF, ≥80ºC output shutdown. |
ENVIRONMENT | WORKING TEMP.,HUMIDITY | -10 ~ +60ºC |
WORKING HUMIDITY | 20 ~ 90% RH non-condensing | |
STORAGE TEMP., HUMIDITY | -20 ~ +85ºC, 10 ~ 95% RH | |
TEMP. COEFFICIENT | ±0.03%/ºC (0 ~ 50ºC) | |
VIBRATION | 10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes | |
SAFETY & EMC | WITHSTAND VOLTAGE | I/P-O/P: 1.5KVAC I/P-FG: 1.5KVAC O/P-FG: 0.5KVAC |
ISOLATION RESISTANCE | I/P-O/P, I/P-FG, O/P-FG:100M Ohms/500VDC | |
OTHERS | MTBF | 234.3K hrs min. MIL-HDBK-217F (25ºC) |
DIMENSION | 215*115*50mm (L*W*H) | |
PACKING | 0.93Kg/pc, 12pcs/12.6Kgs/0.0263CMB | |
NOTE | 1. All parameters NOT specially mentioned are measured at230VAC input, rated load and 25ºC of ambient temperature. 2. Ripple &noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wireterminated with a 0.1uf & 47uf parallel capacitor. 3. Tolerance: includesset up tolerance, line regulation and load regulation. |
350W 20 Volt DC Power Supply S-350-20 Mechanical Specification:
350W 20 Volt DC Power Supply S-350-20 Certificate for LVD:
S-350-20 Certificate for EMC: