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MP915 Datasheet(PDF) 2 Page - Caddock Electronics, Inc.

Part No. MP915
Description  Power Film Resistors TO-126, TO-220 and TO-247 Style
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Maker  CADDOCK [Caddock Electronics, Inc.]
Homepage  http://www.caddock.com/
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MP915 Datasheet(HTML) 2 Page - Caddock Electronics, Inc.

   
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Sales and Corporate Office
1717 Chicago Avenue
Riverside, California 92507-2364
Phone: (951) 788-1700
Fax: (951) 369-1151
Applications Engineering
17271 North Umpqua Hwy.
Roseburg, Oregon 97470-9422
Phone: (541) 496-0700
Fax: (541) 496-0408
e-mail: caddock@caddock.com • web: www.caddock.com
For Caddock Distributors listed by country see caddock.com/contact/dist.html
© 2004 Caddock Electronics, Inc.
CAD
K
DOC
100
175
0
20
40
100
80
60
150
A
B
25
A - MP915, MP916, MP925, MP930 Max. Temperature, TMax = 150°C
B - MP9100 Max. Temperature, TMax = 175°C
CASE TEMPERATURE, °C
DIMENSIONS IN INCHES AND (MILLIMETERS)
Figure 3
TO-247 Style
MP9100
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 +25°C, 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.
The thermal design should satisfy the following equation:
Case Temperature (Tc) + [Thermal Resistance (RθJC) 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 varia-
tions 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 concen-
trating 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.
Derating Curve
Specifications:
Temperature Coefficient for MP915, MP916,
MP925, and MP930:
TC referenced to +25°C, ΔR taken at +150°C
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 +25°C, ΔR taken at +175°C
0.50 ohms and above, -20 to +80 ppm/°C
0.050 ohm to 0.49 ohms, 0 to +150 ppm/°C
Operating Temperature: -55°C 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.
Δ
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. ΔR
±(0.5 percent + 0.0005 ohm) max.
Moisture Resistance: Mil-Std-202, Method 106.
Δ
R ±(0.5 percent + 0.0005 ohm) max.
Thermal Shock: Mil-Std-202, Method 107, Cond. F.
Δ
R ±(0.5 percent + 0.0005 ohm) max.
Shock: 100G, Mil-Std-202, Method 213, Cond. I.
Δ
R ±(0.4 percent + 0.0005 ohm) max.
Vibration, High Frequency: Mil-Std-202, Method
204, Cond. D. ΔR ±(0.4 percent + 0.0005 ohm)
max.
Terminal Strength: Mil-Std-202, Method 211,
Cond. A (Pull Test) 5 lbs. ΔR ±(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.
+
.030 ±.004
(.76 ± .10)
.025 ± .004 (.64 ±.10)
.200 ±.010
(5.08 ±.26)
.450 ±.050
(11.43 ±1.27)
.115 ±.010
(2.92 ±.26)
MP915
0.10Ω
1%
.110 ±.010
(2.79 ±.26)
.053 ± .007
(1.35 ± .18)
.058 ±.007 (1.47 ±.18)
.320 ±.010
(8.12 ±.26)
.094 ±.004
(2.39 ±.10) DIA
.
CL
.440 ±.010
(11.18 ±.26)
.080 ±.020
(2.03 ±.51)
.640 ±.010
(16.26 ±.26)
.030 ±.004
(.76 ± .10)
.025 ± .004 (.64 ±.10)
.200 ±.010
(5.08 ±.26)
.500 ±.050
(12.70 ±1.27)
.130 ±.030
(3.30 ±.76)
.125 ±.010
(3.18 ±.26)
.410 ±.010
(10.41 ±.26)
MP930
10.0
1%
.125 ±.010
(3.18 ±.26)
.125 ±.004
(3.18 ±.10) DIA.
CL
.053 ± .007
(1.35 ± .18)
.070 ±.010 (1.78 ±.26)
MP916
MP915
Model
No.
Comments
MP930
MP925
TO-220 Style
TO-220 Style
Package
TO-220 Style
TO-126 Style
0.010 Ω
0.019 Ω
0.020 Ω
1.00 K
Min.
Max.
Resistance
0.020 Ω
4.99 K
5.00 K
100 K
16 Watts
*
15 Watts
*
Power
Rating
30 Watts
*
25 Watts
*
Max.
Voltage
Power
Limited
200
250
500
Thermal Resistance
RθJC
Film (J) to Case (C)
8.33°C/Watt
5.00°C/Watt
4.17°C/Watt
7.81°C/Watt
150°C
Figure 2
Figure 1
Dimensions
Figure 2
Figure 2
Max. Temp.
T MAX
150°C
150°C
150°C
MP9100
TO-247 Style
0.050 Ω
100 Ω
100 Watts
*
1.50°C/Watt
Figure 3
175°C
Power
Limited
Ceramic mounting surface
Ceramic mounting surface
Ceramic mounting surface
Ceramic mounting surface
Ceramic mounting surface
Figure 1
TO-126 Style
MP915
Figure 2
TO-220 Style
MP916, MP925
and MP930
0.143 ± 0.004
(3.63 ± 0.10) Dia.
0.620 ± 0.010
(15.75 ± 0.26)
0.110 ± 0.030
(2.79 ± 0.76)
0.570 ± 0.050
(14.48 ± 1.27)
0.195 ± 0.010
(4.95 ± 0.26)
0.095 ± 0.010
(2.41 ± 0.26)
0.143 ± 0.007
(3.63 ± 0.18)
0.060 ± 0.004
(1.52 ± 0.10)
0.400 ± 0.010
(10.16 ± 0.26)
0.210 ± 0.010
(5.33 ± 0.26)
0.815 ± 0.010
(20.70 ± 0.26)
CL
MP 9100
50.0
1%
0.032 +0.004 / -0.010
(0.81 +0.10 / -0.26)
*DeratingUsingCaseTemperature(TC):
Page 2 of 2
28_IL102.1004


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