A250系列 -自恢復(fù)保險(xiǎn)絲
A250系列自恢復(fù)保險(xiǎn)絲專為程控交換機(jī)、配線架設(shè)計(jì)生產(chǎn)的過(guò)保護(hù)器件，同時(shí)還可用于變壓器、安防設(shè)備、燈具、鎮(zhèn)流器、儀表、電話線路等領(lǐng)域。
- 品牌： 集電通/JDTFUSE
- 分類： 插件保險(xiǎn)絲PTC
- 最大電壓： A250
- 額定電流： 0.03A-2A
A250規(guī)格書(shū)
電氣特性（25°C）
Model | I hold | I trip | Vmax | Vmax | Imax | Pd typ. | Current | Time | Rimin | Rimax | R1max |
(A) | (A) | (Vdc) | (Vrms) | (A) | (W) | (A) | (Sec) | (Ω) | (Ω) | (Ω) | |
A250-030 | 0.03 | 0.06 | 60 | 250 | 3.0 | 1.00 | 0.15 | 0.40 | 40.0 | 120 | 180.0 |
A250-040 | 0.04 | 0.08 | 60 | 250 | 3.0 | 1.00 | 0.20 | 0.45 | 30.0 | 65 | 100 |
A250-050 | 0.05 | 0.10 | 60 | 250 | 3.0 | 1.00 | 0.25 | 0.45 | 24.0 | 60 | 90 |
A250-060 | 0.06 | 0.12 | 60 | 250 | 3.0 | 1.00 | 0.30 | 0.50 | 20.0 | 60 | 90 |
A250-080 | 0.08 | 0.16 | 60 | 250 | 3.0 | 1.00 | 0.40 | 3.00 | 12.0 | 22 | 33 |
A250-090 | 0.09 | 0.18 | 60 | 250 | 3.0 | 1.00 | 0.45 | 3.00 | 10.0 | 20 | 31 |
A250-110 | 0.11 | 0.22 | 60 | 250 | 3.0 | 1.00 | 0.50 | 0.75 | 6.00 | 12 | 18 |
A250-120 | 0.12 | 0.24 | 60 | 250 | 3.0 | 1.00 | 0.60 | 0.75 | 6.00 | 12 | 18 |
A250-145 | 0.145 | 0.29 | 60 | 250 | 3.0 | 1.00 | 0.725 | 2.50 | 3.50 | 6.5 | 14 |
A250-180 | 0.18 | 0.36 | 60 | 250 | 10.0 | 1.00 | 0.90 | 15.0 | 0.80 | 4.0 | 6.0 |
A250-200 | 0.20 | 0.40 | 60 | 250 | 10.0 | 1.50 | 1.00 | 15.0 | 1.50 | 6.0 | 9.0 |
A250-300 | 0.30 | 0.60 | 60 | 250 | 10.0 | 1.50 | 1.50 | 1.50 | 1.00 | 5.0 | 9.0 |
A250-400 | 0.40 | 0.80 | 60 | 250 | 10.0 | 2.50 | 2.00 | 10.0 | 0.75 | 3.0 | 6.0 |
| A250-500 | 0.50 | 1.00 | 60 | 250 | 10.0 | 2.50 | 2.50 | 1.50 | 0.50 | 2.5 | 5.0 |
A250-600 | 0.60 | 1.20 | 60 | 250 | 10.0 | 3.00 | 3.00 | 10.0 | 0.5 | 2.0 | 5.0 |
| A250-800 | 0.80 | 1.60 | 60 | 250 | 10.0 | 3.50 | 4.00 | 8.00 | 0.45 | 1.0 | 3.0 |
A250-1000 | 1.00 | 2.00 | 60 | 250 | 10.0 | 4.00 | 5.00 | 10.0 | 0.28 | 0.8 | 2.5 |
V max = 元件在額定電流下能承受的最大電壓.
I max =元件在額定電壓下能承受的最大電流.
I hold = 在25℃靜止空氣環(huán)境中,產(chǎn)品不動(dòng)作的最大電流. （推薦閱讀：A72系列 |自恢復(fù)保險(xiǎn)絲）
I trip = 在25℃靜止空氣環(huán)境中,最小動(dòng)作電流.
Pd =在25℃靜止空氣環(huán)境中,產(chǎn)品動(dòng)作狀態(tài)下的消耗功率.
Ri min/max =25℃溫度條件下的初始阻值(焊接前).
R1max = 25℃溫度條件下,焊接一小時(shí)後的最大阻值.
注意 : 超出指定額定值的操作，可能會(huì)導(dǎo)致?lián)p傷和可能產(chǎn)生電弧和火焰.
JDTFUSE | Cross Reference | |||
Tyco / Raychem | Bourns / Multifuse? | Polytronics / EVERFUSE? | Littelfuse | |
A250-030 | TRF250-030 | - | - | |
A250-040 | TRF250-040 | - | - | - |
A250-050 | TRF250-050 | - | - | - |
A250-060 | TRF250-060 | - | - | - |
A250-080 | TRF250-080 | - | HVR250P080CF | 250R080 |
A250-090 | TRF250-090 | - | - | - |
A250-110 | TRF250-110 | - | - | - |
A250-120 | TRF250-120 | MF-RX012/250 | HVR250P120CF | 250R120 |
A250-145 | TRF250-145 | MF-RX014/250 | HVR250P145CF | 250R145 |
A250-160 | TRF250-160 | - | - | - |
A250-180 | TRF250-180 | MF-RX018/250 | HVR250P180CF | 250R180 |
A250-200 | TRF250-200 | - | - | |
A250-350 | TRF250-350 | - | - | - |
A250-400 | TRF250-400 | - | - | - |
A250-500 | TRF250-500 | - | - | - |
A250-600 | TRF250-600 | - | - | - |
A250-800 | TRF250-800 | - | - | - |
A250-1000 | TRF250-1000 | - | - | - |
A250-2000 | TRF250-2000 | - | - | - |
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Model | A | B | C | D | E | FIG |
Max. | Max. | Typ. | Min. | Max. | ||
A250-030 | 7.4 | 12.7 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-040 | 7.4 | 12.7 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-050 | 7.4 | 12.7 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-060 | 7.4 | 12.7 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-080 | 7.4 | 12.7 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-090 | 7.4 | 12.7 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-110 | 7.0 | 12.6 | 5.1±0.5 | 7.6 | 4.5 | 2 |
A250-120 | 7.0 | 12.6 | 5.1±0.5 | 7.6 | 4.5 | 2 |
A250-145 | 7.0 | 12.6 | 5.1±0.5 | 7.6 | 4.5 | 2 |
A250-180 | 9.0 | 11.0 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-200 | 12 | 17.0 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-300 | 12 | 17.0 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-400 | 12 | 17.0 | 5.1±0.5 | 7.6 | 4.5 | 1 |
A250-500 | 16 | 18.0 | 5.1±0.5 | 7.6 | 4.5 | 3 |
A250-600 | 16 | 18.0 | 5.1±0.5 | 7.6 | 4.5 | 3 |
A250-800 | 20 | 22.0 | 5.1±0.5 | 7.6 | 4.5 | 3 |
A250-1000 | 20 | 22.0 | 5.1±0.5 | 7.6 | 4.5 | 3 |