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參數(shù)資料
| 型號： | 250R_06 |
| 廠商： | Littelfuse, Inc. |
| 英文描述： | POLYFUSE Resettable PTCs Radial Leaded |
| 中文描述： | POLYFUSE復(fù)式膽道鏡引線 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 353K |
| 代理商： | 250R_06 |
www.littelfuse.com
2006 Littelfuse
250R Series
Specifications are subject to change without notice.
Electronics Designers Guide
POLYFUSE
Resettable PTCs
Radial Leaded
The 250R 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.
Electrical Characteristics
Part Number
I
(A)
I
(A)
V
max
V
int
/ V
op
I
(A)
P
max.
(W)
Maximum Time
To Trip
Resistance
Agency
Approvals
Current
(A)
Time
(Sec.)
R
min
(
Ω
)
15
R
typ
(
Ω
)
22
R
1max
(
Ω
)
33
250R080T
0.08
0.16
250/60
3
1
0.35
3
X
X
250R080
0.08
0.16
250/60
3
1
0.35
3
14
22
33
X
X
250R120
0.12
0.24
250/60
3
1
1
1.5
4
8
16
X
X
250R120-RA
0.12
0.24
250/60
3
1
1
1.0
7
9
16
X
X
250R120-RC
0.12
0.24
250/60
3
1
1
0.85
5.4
7.5
14
X
X
250R120-RF
0.12
0.24
250/60
3
1
1
0.7
6
10.5
16
X
X
250R120-R1
0.12
0.24
250/60
3
1
1
0.8
6
9
16
X
X
250R120-R2
0.12
0.24
250/60
3
1
1
0.7
8
10.5
16
X
X
250R120-R3
0.12
0.24
250/60
3
1
1
1
8
10
16
X
X
250R120T
0.12
0.24
250/60
3
1
1
1.2
7
12
16
X
X
250R145
0.145
0.29
250/60
3
1
1
2.5
3
6
14
X
X
250R145-RA
0.145
0.29
250/60
3
1
1
5
3
5.5
12
X
X
250R145-RB
0.145
0.29
250/60
3
1
1
2.5
4.5
6
14
X
X
250R145T
0.145
0.29
250/60
3
1
1
2.0
5.4
7.5
14
X
X
250R180
0.18
0.65
250/60
10
1.8
1
21
0.8
2.2
4
X
X
250R180T
0.18
0.65
250/60
10
1.8
1
20
1.4
3.9
4.5
X
X
*typical value
C: coated device
T: pre-tripped device
Description
Features
Applications
RoHS compliant and
lead-free
Fast time-to-trip
Binned and sorted narrow
resistance ranges available
0.08 – 0.18 Hold current
range, 60VDC operating
voltage
250VAC interrupt rating
Customer Premises
Equipment (CPE)
Central Office (CO)/
Telecom Centers
LAN/WAN Equipment
Access equipment
250R Series
Agency Approvals
AGENCY
AGENCY FILE NUMBER
E183209
R50082521
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| 250R080 | POLYFUSE Resettable PTCs Radial Leaded |
| 250R080T | POLYFUSE Resettable PTCs Radial Leaded |
| 250R120 | POLYFUSE Resettable PTCs Radial Leaded |
| 250R120-R1 | POLYFUSE Resettable PTCs Radial Leaded |
| 250R120-R2 | POLYFUSE Resettable PTCs Radial Leaded |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 250R07C1R0AV4T | 制造商:Johanson Dielectrics 功能描述:Cap Ceramic 1pF 25V C0G 0.05pF SMD 0402 125C Paper T/R |
| 250R07N101JV4T | 制造商:Johanson Dielectrics 功能描述:Capacitor,Ceramic,100pF,25VDC,5-% Tol,5+% Tol,NP0-TC Code,-30,30ppm-TC |
| 250R07N151JV4T | 功能描述:CAP CER 150PF 25V 5% NP0 0402 RoHS:是 類別:電容器 >> 陶瓷 系列:- 標(biāo)準(zhǔn)包裝:4,000 系列:- 電容:1000pF 電壓 - 額定:50V 容差:±10% 溫度系數(shù):X7R 安裝類型:表面貼裝，MLCC 工作溫度:-55°C ~ 125°C 應(yīng)用:自動 額定值:AEC-Q200 封裝/外殼:0805（2012 公制） 尺寸/尺寸:0.079" L x 0.047" W（2.00mm x 1.20mm） 高度 - 座高（最大）:- 厚度（最大）:- 引線間隔:- 特點:- 包裝:帶卷 (TR) 引線型:- |
| 250R07N181JV4T | 制造商:Johanson Dielectrics 功能描述:MLCC 0402,180pF, 5%,25V / 7 Inch Reel |
| 250R07N1R0BV4T | 制造商:Johanson Dielectrics 功能描述:Cap Ceramic 1pF 25V C0G 0.1pF SMD 0402 125 制造商:Johanson Dielectrics 功能描述:Cap Ceramic 1pF 25V C0G 0.1pF SMD 0402 125°C Paper T/R 制造商:Johanson 功能描述:Cap Ceramic 1pF 25V C0G 0.1pF SMD 0402 125°C Paper T/R |
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