参数资料
| 型号： | RUSBF250-AP |
| 厂商： | TE Connectivity |
| 文件页数： | 1/1页 |
| 文件大小： | 0K |
| 描述： | POLYSWITCH PTC RESET 2.5A AMMO |
| 标准包装： | 2,000 |
| 系列： | PolySwitch® |
| 电流 - 维持(Ih)： | 2.5A |
| 电流 - 跳闸(It)： | 5A |
| 电流 - 最大： | 40A |
| 电压 - 最大： | 16V |
| R最小/最大： | 0.020 ~ 0.030 欧姆 |
| 跳闸时间： | 40s |
| 封装/外壳： | 径向 |
| 包装： | 带盒（TB） |
PolySwitch?
PTC Devices
Overcurrent Protection Device
PRODUCT: RUSBF250
DOCUMENT: SCD25249
REV LETTER: F
REV DATE: MARCH 12, 2013
PAGE NO.: 1 OF 1
Specification Status: Released
Electrical Rating
Voltage: 16V DC MAX
Current: 40A MAX
Insulating Material:
Cured, Flame Retardant Epoxy Polymer
meets UL 94 V-O Requirements
Lead Material:
24 AWG Tin Plated Copper Clad Steel
Marking:
Manufacturer’s Mark
R250 and Part Identification
Lot Identification
TABLE I. DIMENSIONS:
A
B
C
D
E
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
mm:
in*:
--
--
11.4
(0.45)
--
--
18.3
(0.72)
4.3
(0.17)
5.8
(0.23)
7.6
(0.30)
--
--
--
--
3.0
(0.12)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS :
I HOLD
RATED
CURRENT
RATINGS
INITIAL RESISTANCE
VALUES
ONE HOUR
POST-TRIP
TIME TO TRIP
@ 8A
TRIPPED-STATE
POWER
CURRENT
RESISTANCE
STANDARD TRIP
DISSIPATION
AMPERS
AT 20 ? C
AMPERES
AT 20 ? C
OHMS
AT 20 ? C
OHMS
AT 20 ? C
SECONDS AT
20 ? C
WATTS
AT 20 ? C
HOLD
HOLD
TRIP
MIN
TYP
MAX
MAX
2.50
2.50
5.00
0.02
0.03
0.036
0.06
40
1.2
Agency Recognitions:
Reference Documents:
Precedence:
Effectivity:
CAUTION:
Materials Information
UL, CSA, TUV
PS300
This specification takes precedence over documents referenced herein.
Reference documents shall be the issue in effect on the date of invitation for bid.
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame.
ROHS Compliant
ELV Compliant
Pb-Free
Halogen Free*
HF
* Halogen Free refers to: Br ≤ 900ppm, Cl ≤ 900ppm, Br+Cl ≤ 1500ppm.
? 2003, 2013 Tyco Electronics Corporation, a TE Connectivity Ltd. Company. All rights reserved.
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