A250-400

厂商：
JDTFUSE(集电通)
封装：
插件,P=5.1mm
描述：
PTC自恢复保险丝 400mA 250V 插件,P=5.1mm

数据手册：

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详情介绍
数据手册
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A250-400 数据手册

PRODUCT DATASHEET A250 Series PTC Devices A250 Series PTC Devices Description The JDTFUSE A250 Series is designed to protect against short duration high voltage fault currents (power cross or power induction surge) typically found in telecom applications (250Vrms). The series can be used to help telecom networking equipment meet the protection requirements specified in ITU K.20 and K.21. Features ● 0.03 - 1.0A hold current range, 60VDC operating voltage ● 250VAC interrupt rating ● Fast time-to-trip ● Binned and sorted narrow resistance ranges available ● RoHS compliant, Lead-Free and Halogen-Free* Agency Approvals Agency Applications File Number E472196 ● Customer Premises Equipment (CPE) ● Central Office (CO)/telecom centers ● LAN/WAN equipment ● Access equipment pending Regulation Standard 2002/95/EC EN14582 JDT FUSE Industrial Corp. www.jdtfuse.com Page 1/6 A250 Series PTC Devices Performance Specification Model I hold I trip Vmax Vint / Vop I max @25°C (A) @25°C (A) (A) A250-030 0.03 0.06 250/60 3.0 A250-040 0.04 0.08 250/60 A250-050 0.05 0.10 A250-060 0.06 A250-080 Maximum Time To Trip Pd Typ. (W) Current (A) Time (Sec) 1.00 0.15 3.0 1.00 250/60 3.0 0.12 250/60 0.08 0.16 A250-090 0.09 A250-110 Resistance R i min R i max R1max (Ω) (Ω) (Ω) 0.40 40.0 90.0 140.0 0.20 0.45 33.0 65.0 98.0 1.00 0.25 0.45 24.0 60.0 90.0 3.0 1.00 0.30 0.50 22.0 32.0 48.0 250/60 3.0 1.00 0.40 3.00 14.0 22.0 33.0 0.18 250/60 3.0 1.00 0.45 3.00 10.0 20.0 30.0 0.11 0.22 250/60 3.0 1.00 0.50 0.75 7.0 11.0 17.0 A250-120 0.12 0.24 250/60 3.0 1.00 0.60 0.75 6.0 12.0 14.0 A250-145 0.145 0.29 250/60 3.0 1.00 0.725 2.50 3.5 6.5 12.0 A250-180 0.18 0.36 250/60 10.0 1.00 0.90 15.0 0.8 2.0 3.0 A250-200 0.20 0.40 250/60 10.0 1.50 1.00 15.0 1.5 3.0 5.0 A250-300 0.30 0.60 250/60 10.0 1.50 1.50 1.50 1.0 1.24 1.9 A250-400 0.40 0.80 250/60 10.0 2.50 2.00 10.0 0.75 1.10 1.7 A250-500 0.50 1.00 250/60 10.0 2.50 2.50 1.50 0.50 0.80 1.2 A250-600 0.60 1.20 250/60 10.0 3.00 3.00 10.0 0.5 0.75 1.2 A250-800 0.80 1.60 250/60 10.0 3.50 4.00 8.00 0.45 0.70 1.1 A250-1000 1.00 2.00 250/60 10.0 4.00 5.00 10.0 0.28 0.45 0.7 I hold = Hold Current. Maximum current device will not trip in 25°C still air. I trip = Trip Current. Minimum current at which the device will always trip in 25°C still air. V max = Maximum operating voltage device can withstand without damage at rated current (Imax). I max = Maximum fault current device can withstand without damage at rated voltage (V max). Pd = Power dissipation when device is in the tripped state in 25°C still air environment at rated voltage. Ri min/max = Minimum/Maximum device resistance prior to tripping at 25°C. R1max = Maximum device resistance is measured one hour post reflow. CAUTION : Operation beyond the specified ratings may result in damage and possible arcing and flame. Environmental Specifications Conditions Test Passive aging Humidity aging Thermal shock 　　　 Resistance to solvent 　 Vibration 　 Resistance change 　 +85°C, 1000 hrs. ±5% typical 　 +85°C, 85% R.H. , 168 hours ±5% typical 　 +85°C to -40°C, 20 times ±33% typical 　 MIL-STD-202,Method 215 No change MIL-STD-202,Method 201 No change 　 Ambient operating conditions : - 40 °C to +85 °C Maximum surface temperature of the device in the tripped state is 125 °C JDT FUSE Industrial Corp. www.jdtfuse.com Page 2/6 A250 Series PTC Devices Thermal Derating Curve Derating Curves for A250 Series 180 Percentage of Rated Current 160 140 120 100 80 60 40 20 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 Temperature (°C ) Average Time-Current Curve A=A250-030 B=A250-040 C=A250-050 D=A250-060 E=A250-080 F=A250-090 G=A250-110 H=A250-120 I=A250-145 J=A250-180 K=A250-200 L=A250-300 M=A250-400 N=A250-500 O=A250-600 P=A250-800 Q=A250-1000 CURRENT IN AMPERES JDT FUSE Industrial Corp. www.jdtfuse.com Page 3/6 A250 Series PTC Devices Ihold Versus Temperature Maximum ambient operating temperature (Tmao) vs. hold current (Ihold) 温度折减百分比 - 40°C - 20°C 0°C 25°C 40°C 50°C 60°C 70°C 85°C 0.124 0.110 0.095 0.080 0.066 0.059 0.051 0.044 0.033 引线材料：AR030-AR1000镀锡铜包钢线绝缘材料：环氧树脂聚合物符合UL94-V-0要求 Soldering Parameters TP 20~40 S TP 260 Ramp-up Critical Zone TL to TP TL 217 tL Tsmax 60~150 s Temperature (°C ) 200 Tsmin Ramp-down 150 ts Preheat 60~180 s 25 t 25°C to peak Time JDT FUSE Industrial Corp. www.jdtfuse.com Page 4/6 A250 Series PTC Devices Profile Feature Pb-Free Assembly Average Ramp-Up Rate 3℃/second mac. (Ts max to T p) Preheat -Temperature Min(Ts min) 150℃ -Temperature Max(Ts max) 200℃ -Time(Ts min to Ts max) 60~180 seconds Time maintained above: -Temperature(TL) 217℃ -Time(tL) 60~150 seconds Peak Temperature(Tp) 260℃ Ramp-Down Rate 6℃/second max. Time 25℃ to Peak Temperature 8 minutes max Storage Condition 0℃~35℃,≤70%RH Recommended reflow methods: IR, vapor phase oven, hot air oven, N2 environment for lead-free Recommended maximum paste thickness is 0.25mm Devices can be cleaned using standard industry methods and solvents. Note 1:All temperature refer to topside of the package, measured on the package body surface. Note 2: If reflow temperatures exceed the recommended profile, devices may not meet the performance requirements. Physical Dimensions(mm.) Max. Typ. Max. Min. Max. E FIG A250-030 5.8 9.9 5.1 7.6 3.8 1 A250-040 5.8 9.9 5.1 7.6 3.8 1 A250-050 5.8 9.9 5.1 7.6 3.8 1 A250-060 5.8 9.9 5.1 7.6 3.8 1 A250-080 5.8 9.9 5.1 7.6 3.8 1 A250-090 5.8 9.9 5.1 7.6 3.8 1 A250-110 7.8 11.5 5.1 7.6 3.8 2 A250-120 7.8 11.5 5.1 7.6 3.8 2 A250-145 7.8 11.5 5.1 7.6 3.8 2 A250-180 9.0 13.0 5.1 7.6 3.5 1 A250-200 9.0 13.0 5.1 7.6 3.5 1 A250-300 9.0 13.0 5.1 7.6 3.5 1 A250-400 9.5 16.0 5.1 7.6 3.5 3 A250-500 11.0 15.8 5.1 7.6 3.5 3 A250-600 11.0 15.8 5.1 7.6 3.5 3 A250-800 11.0 15.8 5.1 7.6 3.5 3 A250-1000 14.0 19.1 5.1 7.6 3.5 3 Model JDT FUSE Industrial Corp. www.jdtfuse.com A B C D Page 5/6 A250 Series PTC Devices PHYSICAL SPECIFICATIONS : Materials : A250- 030~400: Tin-plated copper, 22AWG, Φ0.6mm(0.026 in) A250-500~1000Φ0.8mm(0.026 in) Lead Solderability : MIL-STD-202, Method 208E Packaging Quantity A250 120 T RA B-0.5 KR or KU Product Hold T= Pre-tripped Rx= B-x.x= K=Kink leads name Current U= Uncoated Resistance Resistance Bin R=Tape&Reel 250V (mA) Blank= Standard range Reel QTY Bag QTY Range within 0.5ohm U=Bulk package (Optional) 1500 500 in one lot. (Optional) Tape & Reel packaging per EIA468-B standard. Cross Reference Cross Reference Model Tyco / PolySwitch® Bourns / POLY-FUSE® Polytronics / EVERFUSE® A250-030 - - - A250-040 - - - A250-050 - - - A250-060 - - - A250-080 TRF250-080 - HVR250P080CF A250-090 - - - A250-110 TRF250-110 - - A250-120 TRF250-120 MF-RX012/250 HVR250P120CF A250-145 TRF250-145 MF-RX014/250 HVR250P145CF A250-180 TRF250-180 MF-RX018/250 HVR250P180CF A250-200 - - - A250-300 - - - A250-400 - - - A250-500 - - - A250-600 - - - A250-800 - - - A250-1000 - - - “PolySwitch” is a registered trademark of Tyco Electronics. “POLY-FUSE” is a registered trademark of Littelfuse,Inc. “EVERFUSE” is a registered trademark of Polytronics Technology Corp. JDT FUSE Industrial Corp. www.jdtfuse.com Page 6/6

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A250-400

1. 物料型号：A250 Series PTC Devices，包括A250-030至A250-1000等不同型号。

2. 器件简介：JDTFUSE A250系列设计用于保护电信应用中常见的短时高压故障电流（功率交叉或功率感应浪涌），符合ITU K.20和K.21规定的保护要求。

3. 引脚分配：文档中未明确提供引脚分配信息，但提到了不同型号的物理尺寸。

4. 参数特性： - 保持电流范围：0.03 - 1.0A - 工作电压：60VDC - 断开额定值：250VAC - 快速动作时间 - 可提供分选的窄电阻范围 - 符合RoHS标准，无铅和无卤素

5. 功能详解：提供了详细的性能规格表，包括保持电流、动作电流、最大工作电压、最大故障电流、功耗、动作时间、最小/最大电阻和最大电阻测量值。

6. 应用信息：适用于中心局（CO）/电信中心、用户驻地设备（CPE）、局域网/广域网设备、接入设备等。

7. 封装信息：提供了不同型号的物理尺寸和包装数量，以及与EIA468-B标准兼容的胶带和卷轴包装信息。

8. 环境规格：包括被动老化、湿度老化、热冲击、耐溶剂、振动等测试条件和电阻变化。

9. 焊接参数：提供了无铅装配的预热、升温速率、峰值温度、保持时间等推荐焊接参数。

10. 材料：引线材料为镀锡铜包钢线，绝缘材料为符合UL94-V-0要求的环氧树脂聚合物。