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上海乐兹科技发展有限公司(乐兹科技 / WELLFORCES)始创于1989年,明纬(MEAN WELL)中国大陆首批授权经销商,专注电源解决方案30余年。机型储备超10,000种,沪苏两地5,000㎡仓储现货保障,服务于工控自动化、医疗、新能源、LED照明、轨道交通等行业客户。

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首页产品中心产品系列PPT-125B
PPT-125B 产品图 1
明纬 MEAN WELL
明纬官方正品3 年保修

PPT-125B · + + 三路输出带PFC功能无外壳PCB板 开关电源

Mean Well · Enclosed Switching Power Supply · 79W

额定功率
79 W
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选择型号 — PPT-125系列PPT-125B
PPT-125A79W库存:无货
PPT-125B79W库存:无货
PPT-125C79W库存:有库存PPT-125D125W · 5V · 7A库存:无货

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产品概述规格参数技术图纸典型应用资料下载

产品概述

产品特点

  • Universal AC input / Full range
  • Built-in active PFC function
  • Protections: Short circuit / Overload / Over voltage
  • PWM control and regulated
  • High power density 6.117W/inch³
  • LED indicator for power on
  • 100% full load burn-in test
  • 125W with 18CFM FAN
  • 5"x3" compact size
  • 3 years warranty

规格参数

PPT-125B·参数摘自官方规格书(2011-08-18 版)下载规格书 PDF

OUTPUT

OUTPUT NUMBER
CH1 CH2 CH3
DC VOLTAGE
CH1: 5V CH2: 12V CH3: -12V
RATED CURRENT
CH1: 11.5A CH2: 3A CH3: 0.5A
CURRENT RANGE (convection)
CH1: 1 ~ 11.5A CH2: 0.3 ~ 3A CH3: 0.05 ~ 0.5A
CURRENT RANGE (18CFM FAN)
CH1: 1 ~ 14.38A CH2: 0.3 ~ 3.75A CH3: 0.05 ~ 0.63A
RATED POWER (convection)
99.5W
RATED POWER (18CFM FAN)
124.46W
RIPPLE & NOISE (max.)注Note.2
CH1: 100mVp-p CH2: 120mVp-p CH3: 120mVp-p
VOLTAGE ADJ. RANGE
CH1:4.75 ~ 5.25V
VOLTAGE TOLERANCE注Note.3
CH1: ±3.0% CH2: ±5.0% CH3: ±6.0%
LINE REGULATION
CH1: ±0.5% CH2: ±0.5% CH3: ±0.5%
LOAD REGULATION
CH1: ±3.0% CH2: ±3.0% CH3: ±5.0%
SETUP, RISE TIME
1000ms, 30ms/230VAC 2000ms, 30ms/115VAC at full load
HOLD UP TIME (Typ.)
24ms/230VAC 24ms/115VAC at full load

INPUT

VOLTAGE RANGE
90 ~ 264VAC 127 ~ 370VDC
FREQUENCY RANGE
47~63Hz
POWER FACTOR (Typ.)
PF>0.93/230VAC PF>0.98/115VAC at full load
EFFICIENCY (Typ.)
78%
AC CURRENT (Typ.)
1.7A/115VAC 0.75A/230VAC
INRUSH CURRENT (Typ.)
COLD START 24A/230VAC
LEAKAGE CURRENT
<2mA / 240VAC

PROTECTION

OVERLOAD
130 ~ 160% rated output power Protection type : Fold back current limiting, recovers automatically after fault condition is removed
OVER VOLTAGE
CH1:5.75 ~ 6.75V Protection type : Hiccup mode, recovers automatically after fault condition is removed

ENVIRONMENT

WORKING TEMP., HUMIDITY
-20 ~ +70℃ (Refer to "Derating Curve")
WORKING TEMP.
20 ~ 90% RH non-condensing
STORAGE TEMP., HUMIDITY
-40 ~ +85℃, 10 ~ 95% RH
TEMP. COEFFICIENT
±0.05%/℃ (0 ~ 50℃)
VIBRATION
10 ~ 500Hz, 2G 10min./1cycle, 60min. each along X, Y, Z axes

SAFETY & EMC

SAFETY STANDARDS
UL60950-1, TUV EN60950-1 approved
WITHSTAND VOLTAGE
I/P-O/P:3KVAC 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 / 25℃/ 70% RH
EMC EMISSION
Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3
EMC IMMUNITY
Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, light industry level, criteria A

OTHERS

MTBF
94.7Khrs min. MIL-HDBK-217F (25℃)
DIMENSION
127*76.2*34.6mm (L*W*H)
PACKING
0.37Kg; 36pcs/14.3Kg/0.79CUFT
测试条件与备注5
  1. All parameters NOT specially mentioned are measured at 230VAC input, rated load and 25℃ of ambient temperature.
  2. Ripple & noise are measured at 20MHz of bandwidth by using a 12" twisted pair-wire terminated with a 0.1uf & 47uf parallel capacitor.
  3. Tolerance : includes set up tolerance, line regulation and load regulation.
  4. The power supply is considered a component which will be installed into a final equipment. The final equipment must be re-confirmed that it still meets EMC directives. For guidance on how to perform these EMC tests, please refer to “EMI testing of component power supplies.” (as available on http://www.meanwell.com)
  5. Heat Sink HS1,HS2 & HS3 can not be shorted.

技术图纸

PPT-125B 机构尺寸
机构尺寸左右滑动 · 点击查看大图
PPT-125B 方框图
方框图左右滑动 · 点击查看大图
PPT-125B 减额曲线
减额曲线左右滑动 · 点击查看大图

典型应用

■ 典型应用

  • 工业自动化设备 — 控制系统、传感器供电、执行器驱动。
  • 测试测量仪器 — 实验室设备、精密测量仪表的内部电源。
  • 通信设备 — 交换机、路由器、基站的辅助电源。
  • 医疗辅助设备 — 诊断设备、监护仪的内部电源模块。
  • LED显示屏及照明 — 室内LED显示屏、专业照明系统的驱动电源。
  • 信息技术设备 — 服务器、工作站的辅助供电。

资料下载

规格书1

PPT-125B 规格书PDF下载

认证证书5

UL认证证书UL · 点击下载 ↓PDF下载
CB认证证书CB · 点击下载 ↓PDF下载
TÜV认证证书TÜV · 点击下载 ↓PDF下载
CE认证证书CE · 点击下载 ↓PDF下载
EMC认证证书EMC · 点击下载 ↓PDF下载

测试报告1

测试报告PPT-125B-RPTPDF下载
PPT-125B明纬PPT-125B是一款高性能125W三路输出无外壳PCB板式开关电源,专为集成到各类设备内部而设计。
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