Crane Aerospace & Electronics Power Solutions
TMP Thermal Pad Accessory
F
EATURES
• –60° to +180°C temperature rating
• Provides thermal transfer for
Interpoint converters
• 0.2°C in
2
/W (129°C mm
2
/W) thermal
resistance
• 4000 Vac breakdown voltage typical
TMP-007
TMP-001
TMP-003
TMP-002
MODEL
NUMBER
TMP-001
CONVERTER
SERIES
MFL, MFLHP, MHP,
MOR
MWR, MTR Triple,
MHV Triple,
MTO, MTW, MRH,
MHL, HR300
MTR Single and Dual,
MHV Single and Dual,
MHD, MHE, MLP
MPE, MHF+
MOR
For details, refer to Figures 1 through 5 on the following page.
TMP-005
TMP-002
TMP-003
TMP-005
TMP-007
DESCRIPTION
Our accessory Thermal Mounting Pads (TMP) provide a simple
and effective method of ensuring a low thermal resistance path
between a DC/DC converter and its mounting plane. When placed
between the converter and circuit board or heat sink, it will provide
electrical isolation, fill small surface irregularities, and produce a
0.20° C in
2
/W (129°C mm
2
/W) thermal resistance path.
M
OUNTING
For maximum thermal conduction from the converter through the
thermal pad to the thermal plane, a mounting pressure of 300-600
lbs/in
2
is recommended. To achieve this level of mounting pres-
sure, we recommend using our flanged models. The formula to
calculate the recommended pressure is P=(T*N)/(0.2*D*A); where
P=pressure in PSI, T=torque, N=number of fasteners, D=fastener
diameter (in inches), A=contact surface area (in square inches).
M
ATERIAL
The Thermal Mounting Pads, made of silicon rubber and fiber-
glass, are thermally stable and non-flammable. They are non-toxic,
do not require grease and do not exhibit the cracking problems of
ceramic materials. The pads may temporarily react to some
cleaning agents (notably chlorinated hydrocarbons) by swelling,
but are not damaged after the solvent is removed. They will
tolerate soldering process temperatures.
Crane Aerospace & Electronics
Electronics Group (Interpoint Brand)
PO Box 97005 • Redmond WA 98073-9705
425.882.3100 • electronics@craneae.com
www.craneae.com
Page 1 of 2
Rev C - 20060508
Crane Aerospace & Electronics Power Solutions
TMP Thermal Pad Accessory
TMP-001
3.020 x 1.520 inches, nominal
(76.71 x 38.61 mm)
MFL, MFLHP, MHP, MOR Series Converters
Case U
TMP-002
2.720 x 1.366 inches nominal
(69.09 x 34.70 mm)
MTR Triple, MHV Triple,
MTO, MTW, MRH, MHL, MWR
and HR300 Series Converters
All J cases, see Section B8
F
IGURE
1: TMP-001
F
IGURE
2: TMP-002
TMP-007
2.665 x 2.020 inches nominal
(67.69 x 51.31 mm)
MOR Series Converters,
FME Series Filters
Cases W, Y & Z
TMP-003
2.860 x 1.144 inches nominal
(72.64 x 29.06 mm)
MTR Single and Dual, MHV Single and Dual,
MHD, MHE, and MLP Series Converters
All K cases, see Section B8
F
IGURE
3: TMP-007
F
IGURE
4: TMP-003
C
HARACTERISTIC
Color
Thermal Resistance, °C in
2
/W
Dielectric Constant
Continuous Use Temperature °C
Thermal Conductivity (W/meter – °K)
Thickness
Breakdown Voltage (per ASTM D149)
Green
T
YPICAL
V
ALUE
Unless otherwise noted
TMP-005
2.000 x 1.130 inches nominal
(50.80 x 28.70 mm)
MHF+ and MPE Series Converters
All G cases, see Section B8
0.20 (129°C mm
2
/W)
4.00
–60 to +180
1
2.00
0.010 ±0.001 inches (0.25 ±0.025 mm)
4000 min. Vac (400 Vac per mil)
F
IGURE
5: TMP-005
Notes:
1. Converter or filter being used with thermal pad must not exceed its maximum case temperature.
TMP Thermal Pad Accessory Rev C - 20060508. This revision supercedes all previous releases. All technical information is believed to be accurate, but no respon-
sibility is assumed for errors or omissions. Interpoint reserves the right to make changes in products or specifications without notice. TMP Series is a trademark of
Interpoint. Copyright © 1999 - 2006 Interpoint Corporation. All rights reserved.
www.craneae.com
Page 2 of 2
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