50W TO220
OBSOLETE
High Power Resistors
MHP 50
(Combined BI & IRC Datasheets)
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Non-inductive, thin film technology.
Thermally enhanced Industry standard TO220 package.
RoHS compliant.
Low thermal resistance, 2.3 °C/W resistor hot spot
to metal tab.
Complete thermal flow design available for easy
implementation.
Superior vibration durability.
Small thin package for high density PCB installation.
Applications
High frequency circuits and wide band / linear amplifiers.
Switch mode and industrial RF power sources.
AC motor control, electronic load and drive circuits.
Automotive.
Industrial PC modules (IPM) and measurement systems.
Specifications
Items
Power Rating
Power Rating
Thermal Resistance
Resistance Range
Nominal Resistance Series
TCR
Tolerance
Operating Temp. Range
Max. Operating Voltage.
Dielectric Withstand Voltage
Load Life
Temp. Cycle
Humidity
Soldering Heat (Max)
Solderability
Insulation Resistance
Vibration
Note:
1. For resistances from 220 to 51k
Specification
50 Watts
1 Watts
2.3°C/W
0.01-0.09
E6
250 ppm/°C
+/-5%
0.1-9.1
E24
100 ppm/°C
+/- 5% and 1%
-55 to +155 °C
500V or P.R
2000 Volts DC
R +/- (1.0 %+0.05
R +/- (0.25 %+0.05
R +/- (1.0 %+0.05
)
)
)
10-220
E24
50 ppm/°C
+/- 1%
Conditions
@ Tab Temp < 25°C
Free air.
From hot spot to tab.
Extended resistance range to 51K
Additional 2.0
and 5.0
available
also avail available
For -55 to +155°C
60 seconds. between terminals and flange
25°C, 90 min. ON, 30 min.OFF, 1000 hours.
-55 °C,30 min.,+155 °C,30 min., 5 cycles
40°C, 90-95% RH, DC 0.1W, 1000 hours.
250+/-5°C, 3 seconds,
230+/-5°C, 3 seconds.
Between terminals and metal back plate.
R +/- (1.0 %+0.05 )
Min 95% coverage
Over 1000 M
R +/- (0.25 % )
the power rating shall be restricted to 30W.
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
50W TO220 High Power Resistors
MHP 50
OBSOLETE
Electrical Performance
Derating
Temperature Rise ( C)
Rating Power (W)
MHP 50 1K0 F
50
+25C
40
30
20
10
+155C
0
-50
0
50
100
150
Flange Temperature ( C)
200
140
120
100
80
60
40
20
0
0
10
20
MHP 50 500 F
Temperature Rise
30
Power (W
)
40
50
Pulse Energy Durability
Pulse peak power (W)
100K
Tentative continuous-pulse power allowance at duty 0.01
Load life test will be necessary in actual equipment.
Because curve will be changed by resistance, repetition,
duty and operating temperature.
400W
MHP50-100F
Impedance (ohms)
1K
MHP 50 1K0 F
MHP 50 101 F
100
Frequency Characteristics
10K
1K
MHP 50 100 F
50W
100
10
MHP 50 500 F
10
10n
MHP 50 220 F
100n 1u
10u
100u
1m 10m 100m
Pulse width (seconds)
1
10
100
1
100K
1M
10M
100M
Frequency (Hz)
1G
10G
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
04.12
MHP TO-220 Series
Power Resistor
OBSOLETE
MHP Series
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TO-220 housing
Low inductance and capacitance for
high frequency circuits
Available in 20W, 35W, or 50W
High stability film resistance elements
RoHS compliant
Approved to DSCC drawings 07017 and 07018
IRC’s MHP series resistors satisfy demanding applications for accurate
and stable power resistors housed in the convenient TO-220 case. The
resistance element is isolated from the mounting tab by an alumina ceramic layer, providing very low ther-
mal resistance and ensuring high insulation resistance between terminals and tab. The non-inductive design
makes these products especially useful in high frequency and high speed pulse applications.
Electrical Data
Type
Power Rating
1
Heatsink
2
Free Air
3
Voltage
Rating
4
Thermal
Resistance
Resistance
Range
Min
0.01Ω
MHP-20
20W
2.25W
500V
5.9°C/W
0.1Ω
10Ω
0.01Ω
MHP-35
35W
2.25W
500V
3.3°C/W
0.1Ω
10Ω
0.01Ω
MHP-50
50W
2.25W
500V
2.3°C/W
0.1Ω
10Ω
1
2
Tolerances
Max
0.09Ω
9.1Ω
51KΩ
0.09Ω
9.1Ω
51KΩ
0.09Ω
9.1Ω
51KΩ
±1%, ±5%
±1%, ±5%
±1%, ±5%
Nominal
Resistance
Series
5
E24
Includes
2.5 & 5.0
multiplier
E24
Includes
2.5 & 5.0
multiplier
E24
Includes
2.5 & 5.0
multiplier
Typ. TCR
(ppm/°C)
Induc-
tance
Capaci-
tance
See Chart
<9nH
<2pF
See Chart
<9nH
<2pF
See Chart
<10nH
<2pF
Maximum current 25 amps
Power rating based on 25°C tab temperature
3
Power rating based on 25°C ambient temperature
4
Maximum voltage 500V or
√
P x R
5
Contact factory for availability of resistance or tolerance
values outside this range
Pulse Energy Durability
10K
Frequency Characteristics
10K
MHP20LF 10K
MHP20
MHP35
MHP50
Pulse Peak (Watts)
1K
Damage Level
Impedance (ohms)
1K
MHP20LF 1K00
MHP20LF 100R
100
Safety Zone
10
10µ
100
MHP20LF 50R0
MHP20LF 22R0
100µ
1m
10m
100m
10
10K
100K
1M
10M
100M
1G
Pulse Width (seconds)
Frequency(Hz)
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
09. 11
MHP TO-220 Series
Power Resistor
MHP Series
OBSOLETE
Note: Metal tab is electrically isolated.
A
G
C
L
ØD
Physical Data
Dim
A
N
B
C
P
in (nom)
0.398
0.591
0.177
0.142
0.610
0.158
0.118
0.108
0.020
0.030
0.059
0.200
0.059
0.630
mm
10.1 ±.2
15.0 ±0.2
4.5 ±0.2
3.6 ±0.1
15.5 ±1.0
4.0 ±0.5
3.0 ±0.2
2.75 ±0.2
0.5 ±0.05
0.75 ±0.05
1.5 ±0.05
5.08 ±0.1
1.5 ±0.05
16.0 ±0.1
C
L
B
C
ØD
E
F
L
F
E
K
G
H
J
M
C
L
C
L
H
C
L
Case, Epoxy UL94-V0
Leads, Sn Plated Cu
Conductor, Cu
Resistor, Ni-Cr or RuO
Substrate, Alumina
Tab, Ni Plated Cu
J
K
L
M
N
P
Insulated Between Tab and Resistor
Lead Material
Tab Material
Tin Plated Copper
Nickel Plated Copper
Environmental Data
Test
Thermal Shock
Moisture Resistance
Vibration
Load Life
Resistance to Solder Heat
Dielectric Withstanding Voltage
Insulation Resistance (between terminal and
tab)
Solderability
Operating Temperature Range
*
During soldering, the soldering temperature profile must not cause the metal tab of this device to exceed 220°C.
Method
MIL-STD-202 Method 107 Condition F
MIL-STD-202 Method 106
MIL-STD-202 Method 204 Condition D
MIL-STD-202 Method 108 1,000 Hours
MIL-STD-202 Method 210 Condition B
MIL-STD-202 Method 301
MIL-STD-202 Method 302
MIL-STD-202 Method 208
Specification - Performance
±0.30% + 50mΩ
±1.0% + 50mΩ
±0.25% + 50mΩ
±1.0% + 50mΩ
±0.25% + 50mΩ
2200 volts DC or 1500 volts AC;
60 seconds
>1000MΩ
>95% coverage
-55°C to +155°C
General Note
TT electronics reserves the right to make changes in product specification without notice or liability.
All information is subject to TT electronics’ own data and is considered accurate at time of going to print.
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
© TT electronics plc
09. 11
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