参数资料
| 型号： | 72R300XMR |
| 厂商： | Littelfuse Inc |
| 文件页数： | 3/7页 |
| 文件大小： | 0K |
| 描述： | PTC RESETTABLE 72V 3.00A RADIAL |
| 产品目录绘图： | 60R,72R Series Side (60R,72R)300X Series |
| 标准包装： | 1,000 |
| 系列： | POLYFUSE® 72R |
| 电流 - 维持(Ih)： | 3A |
| 电流 - 跳闸(It)： | 6A |
| 电流 - 最大： | 40A |
| 电压 - 最大： | 72V |
| R最小/最大： | 0.040 ~ 0.100 欧姆 |
| 跳闸时间： | 19.8s |
| 封装/外壳： | 径向 - 圆盘形 |
| 包装： | 带盒（TB） |
POLYFUSE ? Resettable PTCs
Radial Leaded > 72R Series
Soldering Parameters - Wave Soldering
Refer to the condition recommended by
the ?ux manufacturer.
Pre-Heating Zone
Max. ramping rate should not exceed
260
Soldering
Cooling
4°C/Sec.
220
Soldering Zone
Max. solder temperature should not
exceed 260°C
190
Preheating
160
Cooling Zone
Cooling by natural convection in air.
0
60 min.
5 max.
Time(s)
Physical Speci?cations
Environmental Speci?cations
Lead Material
Soldering
Characteristics
Insulating Material
Lead Solderability
? 2010 Littelfuse, Inc
0.20-0.40A: Tin-plated Copper clad steel
0.50-3.75A: Tin-plated Copper
Solderability per MIL–STD–202, Method
208E
Cured, ?ame retardant epoxy polymer
meets UL 94V-0 requirements.
Marked with ‘LF’, voltage, current rating,
and date code.
93
Operating/Storage
Temperature
Maximum Device Surface
Temperature in Tripped State
Passive Aging
Humidity Aging
Thermal Shock
Solvent Resistance
Moistrue Sesitivity Level
-40°C to +85°C
125°C
+85°C, 1000 hours
-/+5% typical resistance change
+85°C, 85% R.H. 1000 hours
-/+5% typical resistance change
+85°C to -40°C 10 times
-/+5% typical resistance change
MIL–STD–202, Method 215F
Level 1, J–STD–020C
72R Series
Speci?cations are subject to change without notice.
Please refer to www.littelfuse.com/series/72R.html for current information.
Revised: July 12, 2010
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 72R375X | 制造商:LITTELFUSE 制造商全称:Littelfuse 功能描述:POLYFUSE Resettable PTCs |
| 72R375XH | 功能描述:可复位保险丝 PTC POLYFUSE RADIAL 72V 3.75A RoHS:否 制造商:Bourns 电流额定值: 电阻:7.5 Ohms 最大直流电压: 保持电流:0.1 A 安装风格:SMD/SMT 端接类型:SMD/SMT 跳闸电流:0.6 A 引线间隔: 系列:MF-PSHT 工作温度范围:- 40 C to + 125 C |
| 72R503-C-H | 制造商:Molex 功能描述:.375 PCB BARRIER TERM. STRIP (CLOSED SIDE) - Trays |
| 72R-5-12-50C | 制造商:VERNITRON - USE MOL 功能描述:Cross Referenced to MOLEX - Part: MOL38724-4912 |
| 72R706-H-50-81 | 制造商:Molex 功能描述: |
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