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MP900 and MP9000 Series Kool-Pak(R) Power Film Resistors TO-126, TO-220 and TO-247 Style
MP916 Standard Resistance Values:
Tolerance MP916 5% Standard (20% is available).
0.010 5% 0.015 5%
Page 1 of 2
MP915, MP925, and MP930 Standard Resistance Values:
Tolerance MP915, MP925, and MP930 1% Standard - except as noted. (5% and 20% are available for most 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 5% 5% 5% 5% 5% 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 1.50 K 2.00 K 2.50 K 3.00 K 3.30 K 4.00 K 5.00 K 7.50 K 10.0 K 15.0 K 20.0 K 25.0 K 30.0 K 33.0 K 40.0 K 47.0 K 50.0 K 56.0 K 68.0 K 75.0 K 82.0 K 100 K
Use your thermal design experience with power semiconductors in TO-126, TO-220, and TO-247 style power packages to help you get the most out of this unique family of 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.
Low Cost Heat Sink Mountable Design featuring an Exposed Ceramic Heat Dissipating Mounting Surface
MP9100 Standard Resistance Values:
Tolerance MP9100 1% Standard.
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
MP915 TO-126 Style Power Package
* * * *
15 Watts at +25C Case Temperature, derated to zero at +150C. Exposed Ceramic Heat Dissipating Mounting Surface. Resistance Range of 0.020 ohm to 1 K. Non-Inductive Design.
For custom resistance values and tolerances contact applications engineering. Ordering Information:
Model Number:
MP916, MP925, and MP930 TO-220 Style Power Package
* * * *
Up to 30 Watts at +25C Case Temperature, derated to zero at +150C. Exposed Ceramic Heat Dissipating Mounting Surface. Resistance Range of 0.010 ohm to 100 K. Non-Inductive Design.
MP915 - 50.0 - 1%
Tolerance
Resistor Value:
MP9100 TO-247 Style Power Package
* * * *
100 Watts at +25C Case Temperature, derated to zero at +175C. Exposed Ceramic Heat Dissipating Mounting Surface. Resistance Range of 0.050 ohm to 100 ohm. Non-Inductive Design.
Packaging: MP915, MP916, MP925, MP930 resistors are packaged in plastic shipping tubes, 50 pieces per tube. These resistors are available in a 50 piece minimum quantity and in full tube quantity increments (i.e. 50, 100, 150, etc.). The MP9100 resistors are packaged in plastic shipping tubes, 25 pieces per tube.
Power Resistor with Exposed Ceramic Heat Dissipating Mounting Surface.
New
Construction of MP900 and MP9000 Series:
The MP900 and MP9000 Series Kool-Pak(R) Power Film Resistors are constructed with Caddock's Micronox(R) resistance film fired onto a flat ceramic substrate. The terminal attachment and resistance element geometry are configured to provide outstanding non-inductive performance. The ceramic substrate is positioned in the molded package such that the resistor element and terminal attachment areas on the substrate are encapsulated in the molded body with the other side of the ceramic being exposed flush with the back mounting surface of the device. This construction is covered by one or more issued patents, also patents pending.
Sales and Corporate Office 1717 Chicago Avenue Riverside, California 92507-2364 Phone: (951) 788-1700 Fax: (951) 369-1151
28_IL102.1004
Applications Engineering 17271 North Umpqua Hwy. Roseburg, Oregon 97470-9422 Phone: (541) 496-0700 Fax: (541) 496-0408
(c) 2004 Caddock Electronics, Inc.
CADDOCK
e-mail: caddock@caddock.com * web: www.caddock.com For Caddock Distributors listed by country see caddock.com/contact/dist.html
Model No.
MP915 MP916
Package TO-126 Style TO-220 Style TO-220 Style TO-220 Style
Resistance Min. Max. 0.020 0.010 1.00 K 0.019
Power Rating 15 Watts* 16 Watts* 25 Watts* 30 Watts*
Max. Voltage 200 Power Limited 500 250
Thermal Resistance RJC Film (J) to Case (C)
Page 2 of 2
Max. Temp. T MAX
Dimensions Figure 1 Figure 2 Figure 2 Figure 2
Comments
8.33C/Watt 7.81C/Watt 5.00C/Watt 4.17C/Watt
150C
Ceramic mounting surface Ceramic mounting surface Ceramic mounting surface Ceramic mounting surface Ceramic mounting surface
150C 150C 150C
MP925 MP930
5.00 K 0.020
100 K 4.99 K
MP9100
TO-247 Style
0.050
100
100 Watts*
Power Limited
1.50C/Watt
175C
Figure 3
100
Derating Curve
POWER RATING, %
80 60
40 20
A B
0
25
100
150
175
CASE TEMPERATURE, C A - MP915, MP916, MP925, MP930 Max. Temperature, TMax = 150C B - MP9100 Max. Temperature, TMax = 175C
All power and associated overload ratings are derated based upon case temperature using the derating curve. The case temperature is measured at the center of the ceramic mounting surface, with the part properly mounted and under electrical load. Without a heat sink, when in free air at +25C, the MP915 is rated for 1.25 watts, the MP916, MP925, MP930 are rated for 2.25 watts, and the MP9100 is rated for 3.5 watts.
* Derating Using Case Temperature (TC):
Specifications:
Temperature Coefficient for MP915, MP916, MP925, and MP930: TC referenced to +25C, R taken at +150C 0.50 ohms and above, -20 to +80 ppm/C 0.050 ohm to 0.49 ohms, 0 to +200 ppm/C 0.020 ohm to 0.049 ohm, 0 to +300 ppm/C 0.010 ohm to 0.019 ohm, 0 to +500 ppm/C Temperature Coefficient for MP9100: TC referenced to +25C, R taken at +175C 0.50 ohms and above, -20 to +80 ppm/C 0.050 ohm to 0.49 ohms, 0 to +150 ppm/C Operating Temperature: -55C to TMAX Inductance: MP915, MP916, MP925, and MP930 10nH typical; MP9100, 20nH typical, in series when measured at a point 0.2 inches from the resistor body. DWV: The dielectric strength rating of 1500 VrmsAC is based upon connections made between terminals shorted, and the metal surface the part is mounted to or a metal clip in contact with the top surface of the part. Insulation Resistance: 10,000 Megohms min. The resistor element is electrically isolated from the mounting surface. Load Stability: 2,000 hours at rated power. R (1.0 percent + 0.0005 ohm) max. Power rating dependent upon case temperature. See derating curve. 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. Moisture Resistance: Mil-Std-202, Method 106. R (0.5 percent + 0.0005 ohm) max. Thermal Shock: Mil-Std-202, Method 107, Cond. F. R (0.5 percent + 0.0005 ohm) max.
The thermal design should satisfy the following equation: Case Temperature (Tc ) + [Thermal Resistance (RJC) x power applied (Watts)] TMAX considering the full operating temperature range of the application. Mounting Note: Mount on a smooth, clean, and flat heat sink surface with a thermal interface material, such as thermal grease. The entire exposed ceramic portion must be in thermal contact with the heat sink. When screw mounting, use a compression washer which provides a mounting force of 150 to 300 pounds (665 to 1330 N). This will provide sufficient pressure on the package over time and through large temperature variations to maintain the maximum power dissipation capability. Mounting torque to avoid package damage is 8 in-lbs. (0.90 N-m). If a spring clip is used, a clip force of 8 to 30 pounds (35 to 130 N) is recommended to be applied to the center of the package. The clip should be round or smooth in the contact area to avoid concentrating the load on a small point of the plastic body of the package. Another mounting option is to use a pressure bar method which can achieve a greater mounting force with a greater contact area. For additional applications information regarding mounting and pulse handling see the Caddock Applications Notes at caddock.com or contact Applications Engineering.
.094 .004 (2.39 .10) DIA.
.320 .010 (8.12 .26) C L +
.110 .010 (2.79 .26)
Figure 1 TO-126 Style MP915
.080 .020 (2.03 .51)
MP915 0.10 1%
.115 .010 (2.92 .26) .053 .007 (1.35 .18) .030 .004 (.76 .10) .200 .010 (5.08 .26)
.440 .010 (11.18 .26)
.450 .050 (11.43 1.27)
.025 .004 (.64 .10) .058 .007 (1.47 .18)
.125 .004 (3.18 .10) DIA.
.410 .010 (10.41 .26) C L
.125 .010 (3.18 .26)
Figure 2 TO-220 Style MP916, MP925 and MP930
.130 .030 (3.30 .76)
MP930 10.0 1%
.125 .010 (3.18 .26)
.640 .010 (16.26 .26)
.500 .050 (12.70 1.27)
.053 .007 (1.35 .18)
.030 .004 (.76 .10)
.200 .010 (5.08 .26)
.025 .004 (.64 .10)
.070 .010 (1.78 .26)
0.143 0.004 (3.63 0.10) Dia.
0.620 0.010 (15.75 0.26)
C L
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. Terminal Material: Solderable Measurement Note: For these specifications, resistance measurement shall be made at a point 0.2 inch (5.08 mm) from the resistor body.
0.195 0.010 (4.95 0.26)
0.210 0.010 (5.33 0.26)
Figure 3 TO-247 Style MP9100
0.110 0.030 (2.79 0.76)
MP 9100 50.0 1%
0.143 0.007 (3.63 0.18)
0.815 0.010 (20.70 0.26)
0.570 0.050 (14.48 1.27)
0.060 0.004 (1.52 0.10) 0.400 0.010 (10.16 0.26)
DIMENSIONS IN INCHES AND (MILLIMETERS)
0.032 +0.004 / -0.010 (0.81 +0.10 / -0.26) 0.095 0.010 (2.41 0.26)
Applications Engineering 17271 North Umpqua Hwy. Roseburg, Oregon 97470-9422 Phone: (541) 496-0700 Fax: (541) 496-0408
(c) 2004 Caddock Electronics, Inc.
CADDOCK
e-mail: caddock@caddock.com * web: www.caddock.com For Caddock Distributors listed by country see caddock.com/contact/dist.html
Sales and Corporate Office 1717 Chicago Avenue Riverside, California 92507-2364 Phone: (951) 788-1700 Fax: (951) 369-1151
28_IL102.1004

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