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Tyco / Electronics Raychem Circuit Protection 308 Constitution Drive Menlo Park, CA 94025-1164 Phone: 800-227-4856 Fax: 800-227-4866
Circuit Protection(R) PTC Devices
Overcurrent Protection Device
PRODUCT: SMD050-2018
DOCUMENT: SCD 24697 PCN: 175564 REV LETTER: E REV DATE: JANUARY 22, 2002 PAGE NO.: 1 OF 1
Specification Status: Released
Maximum Electrical Ratings
Voltage: 57 VDC Current: 10 A Marking:
C F B
A05
Manufacturer's Mark Part Identification Notes: 1. All metal surfaces are tin plated. 2. Devices cannot be wave soldered. 3. Drawing not to scale.
D
A
E
TABLE I. DIMENSIONS:
A MIN MAX mm: 4.72 5.44 in*: (0.186) (0.214) B MIN --C D E F MAX MIN MAX MIN MAX MIN MAX MIN MAX 1.78 4.22 4.93 0.25 0.36 0.25 0.36 0.30 0.46 (0.070) (0.166) (0.194) (0.010) (0.014) (0.010) (0.014) (0.012) (0.018)
*Rounded off approximation
TABLE II. PERFORMANCE RATINGS:
CURRENT RATINGS** TIME TO TRIP ** RESISTANCE TRIPPED-STATE VALUES POWER DISSIPATION** OHMS WATTS AT AT 20C 20C MIN MAX* MAX 0.2 0.7 0.8
AMPERES AMPERES AMPERES SECONDS AT 0C AT 20C AT 70C AT 20C, 2.5A HOLD TRIP HOLD TRIP HOLD TRIP MAX 0.70 1.61 0.55 1.20 0.36 0.67 5.0
*Maximum resistance is measured 1 hour after reflow **Values specified were determined using PCB's with 0.030"x1.5ounce copper traces Reference Documents: Precedence: Effectivity: CAUTION: PS300, E.N. SMD 1.0x 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.

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