Approval Sheet
for
Metal Film High Precision Resistors
MHP series
±
0.02% &
±
0.05%
YAGEO CORPORATION
Headquarters:
3F, No.233-1, Pao Chiao Rd., Hsin Tien, Taipei, Taiwan, R.O.C.
Tel:
886-2-2917-7555
Fax:
886-2-2917-4286
Hsin Tien Plant:
3F, No.5, Lane 560, Chung Cheng Rd., Hsin Tien Taipei, Taiwan, R.O.C
Tel:
886-2-2218-2139
Fax:
886-2-6629-8898
URL: www.yageo.com
Page-1
Rev.
00
01
Description
issue new spec.
Revise the dimensions of MHP-25 and
MHP-50 series.
Issue Date
Sep 13, 2007
Jun 25,2010
Drawn
Lynn Chen
Feng Ye
Approved
Joyce Chung
Ken Hsu
Description
Series
Metal Film High Precision Resistors
MHP
Rev.
01
Page-2
1.
PRODUCT:
Metal film high precision resistors, painting color is blue.
2.
PART NUMBER:
Part number of the metal film high precision resistor is identified by the name, power, tolerance, packing,
temperature coefficient, special type and resistance value.
Example：
MHP
-25
A
T
B
73-
100R
(1)
(2)
(3)
(4)
(5)
(6)
(7)
Series Power Resistance Packing Temperature Special Resistance
Name Rating Tolerance
Style
Coefficient
Type
Value
of Resistance
(1) Style： MHP SERIES
(2) Power Rating： -25=1/4W
、-50=1/2W
(3) Tolerance： = P=±
0.02%、A=±
0.05%
(4) Packaging Type：
B
＝Bulk
Packing
B=10PPM
(5) Temperature Coefficient：A=5PPM
(6) Special Type：
73- = 73m m
(7) Resistance Value：E192 Series
Example： 1R、10R、100R、10K、100K、330K、1M… …
Page-3
3.
BAND-CODE:
MHP-25
PA 0R1
4.
ELECTRICAL CHARACTERISTICS
MHP-25
1/4W
250V
500V
450V
1Ω ~ 5MΩ for E192 series value
- 65
℃
to + 150
℃
±
ppm /℃ ,
±
ppm /℃
5
10
MHP-50
1/2W
300V
600V
900V
STYLE
Power Rating at 70
℃
Maximum Working Voltage
Maximum Overload Voltage
Dielectric Withstanding Voltage
Resistance Range
Operating Temp. Range
Temperature Coefficient
※
5.
Below or over this resistance range on request.
DERATING CURVE
Rated Load (%)
100
80
60
40
20
-65
125
150 180
70
℃
Ambient Temperature (
℃
)
Page-4
6.
DIMENSIONS
ψ
d
H
L
ψ
D
STYLE
Normal
MHP-25
MHP-50
L
6.2±
0.3
9.1±
0.3
DIMENSION
ψD
1.8±
0.3
2.1±
0.3
H
36±
2.0
36±
2.0
ψd
0.63±
0.05
0.63±
0.05
7.
ENVIRONMENTAL CHARACTERISTICS
(1) Short Time Over Load Test
At 2.5 times of the rated voltage. ( If the voltage exceeds the maximum load voltage, the maximum load
voltage will be used as the rated voltage ) applied for 5 seconds, the resistor should be free from defects
after the resistor is released from load for about 30 minutes
Short Time Overload Voltage =
2.5 * Power Rating
×
Resistance Value
The change of the resistance value should be within ± 0.25 % + 0.05Ω
(2) Dielectric Withstanding Voltage
The resistor is placed on the metal V Block. Apply a Table I dielectric withstanding between the
terminals connected together with the block for about 60 seconds.
The resistor shall be able to withstand without breakdown or flashover.
(3) Temperature Coefficient Test
Test of resistors above room temperature 85°C
±
1°C at the constant temperature silicon plate for over 1
hour at an ambient temperature 165°C. Then measure the resistance value.
The Temperature Coefficient is calculated by the following equation and its value should be within the
range of requested.
Re sistor Temperature Coefficient
=
R
R
0
t
t
o
(4)
R
−
R
0
1
×
×
10
6
R
0
t
−
t
0
＝
Resistance value under the testing temperature
＝
Resistance value at the room temperature
＝
The testing temperature
＝
Room temperature
Insulation Resistance
Apply test terminal on lead and resistor body.
The test resistance should be high than 10,000M ohm.
Page-5
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