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MP725 Surface Mount Power Film Resistors New
D-Pak Style Surface Mount Power Package including Metal Tab - 0.020 ohm to 1.00 Kohm
Use your thermal design experience with power semiconductors in D-Pak style power packages. This experience will help you get the most out of this unique family of surface mount power resistors. The thermal design issues are the same where power handling capability is based on the case temperature which is maintained in your design. MP725 Surface Mount Power Film Resistors introduce our proven Micronox(R) resistance film system in the widely accepted D-Pak style surface mount power package. The non-inductive design makes this resistor ideal in high frequency communications, power switching circuits and snubbers. The special performance features of our patented MP725 Surface Mount Power Film Resistors include: * D-Pak style power package for surface mount applications. * Metal tab assists in post surface mount soldering inspection. * Resistance values to 0.020 ohm for current sense applications. * Non-Inductive Design. * Up to 25 Watt power rating at +25C case temperature. * Resistor element is electrically isolated from the metal heat sink tab.
Model No.
MP725
Specification
Resistance Tolerance: 1% for 0.050 up to 1.00K, 5% for 0.020 up to 0.049 (5% and 20% are available for most resistance values). Temperature Coefficient: TC referenced to +25C, R taken at +150C 0.50 ohm and above, -20 to +80 ppm/C 0.050 ohm to 0.49 ohm, 0 to +200 ppm/C 0.020 ohm to 0.049 ohm, 0 to +300 ppm/C Thermal Shock: Mil-Std-202, Method 107, Cond. F, R (0.5 percent + 0.0005 ohm) max. Momentary Overload: 1.5 times rated power with applied voltage not to exceed 1.5 times maximum continuous operating voltage for 5 seconds, R (0.5 percent + 0.0005 ohm) max. Load Life: 2,000 hours at rated power, R (1.0 percent + 0.0005 ohm). Power rating dependent upon case temperature. See derating curve. Moisture Resistance: Mil-Std-202, Method 106, R (0.5 percent + 0.0005 ohm) max. Shock: 100G, Mil-Std-202, Method 213, Cond. I, R (0.4 percent + 0.0005 ohm) max. Vibration, High Frequency: Mil-Std-202, Method 204, Cond. D, R (0.4 percent + 0.0005 ohm) max. Terminal Strength: Mil-Std-202, Method 211, Cond. A (Pull Test) 5 lbs., R (0.2 percent + 0.0005 ohm) max. Insulation Resistance: 10,000 Megohms, min. The resistor is electrically isolated from the metal tab. DWV: The dielectric strength rating of 1500 VRMSAC is based upon connections made between terminals shorted and either the metal surface the part is mounted to or a metal clip in contact with the top surface of the part. Packaging Note: Quantities of 250 pieces or greater, will be supplied in tape and reel packaging. The full reel quantity is 1250 pieces.
Power Rating 25 Watts
Dielect. Strength VRMSAC
Max. Voltage 200
Resistance Max. Min. 0.020 1.00K
Terminal Solderable
*
1,500
DERATING CURVE
100
RATED LOAD, %
*
80 60 40 20
The case temperature is to be used for purposes of establishing the maximum applied power. See Derating Curve. The case temperature measurement is made on the metal mounting tab against the molded body. Derate appropriately for the ambient temperature range, the thermal resistance of the mounting surface, and the temperature limitations of the adjacent materials (such as glass epoxy).
Derating ( thermal resistance ) is 0.200 W/C ( 5.0C/W ).
0
25
100
150
CASE TEMPERATURE, C
Power dissipation is 2.5 watts, at an ambient temperature of 25C, when mounted on a double sided copper board (2 ounce, G-10 or FR-4) 1 inch x 1 inch x .063 inch (thick).
Standard Resistance Values:
0.020 0.025 0.030 0.033 0.040 0.050 0.075 0.10 0.15 0.20 0.25 0.30 0.33 0.40 0.50 0.75 1.00 1.50 2.00 2.50 3.00 3.30 4.00 5.00 7.50 8.00 10.0 12.0 15.0 20.0 25.0 27.0 30.0 33.0 40.0 47.0 50.0 56.0 75.0 100 120 150 200 250 300 330 400 470 500 560 750 1.00 K
Custom resistance values can be manufactured for high quantity applications. Please contact Caddock Applications Engineering. Measurement Note: For the specifications, resistance measurement shall be made at the foot of surface mount formed terminal.
FOOTPRINT FOR SOLDERABLE CONTACT AREA
.310 (7.87)
PACKAGE DIMENSIONS
.320 .010 (8.13 .26) .250 (6.35) .325 .020 (8.26 .51) .040 .018 (1.02 .46) .110 .010 (2.79 .26) .032 .003 (.81 .08) .275 (6.99) Heat sink height .053 .007 (1.35 .18) .200 .010 (5.08 .26) .058 .007 (1.47 .18) .025 .004 (.64 .10) .160 .010 (4.06 .26) .070 .010 (1.78 .26)
.335 (8.51)
Scale: 1.5X
.070 (1.78) .150 (3.81) .100 (2.54) .065 (1.65) .100 (2.54) .065 (1.65)
MP 725 10.0 1%
.030 .004 (.76 .10)
Dimensions in inches and (millimeters)
Soldering Note: During surface mount soldering the soldering temperature profile must not cause the metal tab of this device to exceed 220C.
Ordering Information:
MP725 - 10.0 - 1%
Model Number:
Certain products shown in this catalog are covered by one or more patents, there are also patents pending.
Resistor Value:
Tolerance
Applications Engineering 17271 North Umpqua Hwy. Roseburg, Oregon 97470-9422 Phone: (541) 496-0700 Fax: (541) 496-0408
(c) 2002-2004 Caddock Electronics, Inc.
e-mail: caddock@caddock.com * web: www.caddock.com
Sales and Corporate Office 1717 Chicago Avenue Riverside, California 92507-2364 Phone: (951) 788-1700 Fax: (951) 369-1151
27.1 IL101.0804

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