Established SPC and continuous improvement programs
Metal Glaze™ thick
film element fired
at 1000˚C to solid
ceramic substrate
Metal Glaze™ thick
film element fired
at 1000°C to solid
ceramic substrate
High
temperature
dielectric
coating
Solder over nickel
High
barrier
temperature
dielectric
coating
Solder over nickel
barrier
CHP
Minimum board real estate requirements
Established SPC and continuous improvement programs
Cylindrical High Power
developed by ance to DSCC drawings 85083 (MCHP 1/8) and 87037 (MCHP 1)
of the RG product family of precision resistors
IRC in 1960 to meet the stringent demands of the military and are supplied in accordance tot he requirements of MIL-R-55342.
The MCHP High Reliability Surface Mount Resistors are in compliance to DSCC drawings as listed below and are
TM
Surface Mount Metal
are qualified to level Under this specification, all resistors are subjected to "Thermal
market. In leaded form, these resistors
Glaze
supplied in accordance to the requirements of MIL-PRF-55342. Under this specification, all resistors are subject-
Standard Reel Packaging per EIA-481:
Electrical Data
Code¹
The MCHP High Reliability Surface Mount Resistors are part
The MCHP High Reliability Surface Mount Resistors are in compli-
S under MIL-R-39017 and MIL-R-55182. The MCHP resistor Shock". Samples are selected from each lot and tested to "TCR",
ed to “Thermal Shock”. Samples are selected from each lot and tested to ‘‘TCR’’, ‘‘STOL’’, ‘‘Terminal adhesion’’,
utilizes the core element from this series, but with modified "STOL", "Terminal adhesion", "Solderability", and "Visual" to ensure
contacts and encapsulation.
the lot is in conformance to specified requirements.
‘‘Solderability’’, and ‘‘Visual’’ to ensure the lot is in conformance to specified requirements.
IRC
Type
Size
Code
Industry
Footprint
1206
DSCC
Drawing
95011
4
94048
5
Reel
Diameter*
7″
Rated Power²
13″
(watts)
Quantity
Per Reel
2,500 max.
Carrier Tape
Width
Resistance
Range (ohms)
0.1 to 1.0M
Component
Pitch
4mm
TCR
(ppm/°C)
CHP 1/8
Size
Industry
MRC 1/2
CHP 1/2
B
MRC 1
1206
D
H
2010
3610
Footprint
B
IRC
C
D
Type
MCHP 1/8
E
MCHP 1/2
2010
7″
7″
Working
10,000 max.
Maximum
Voltage³
Voltage
8mm
1,500 max.
Tolerance
(±%)
1, 2, 5
1, 2, 5
1, 2, 5
1, 2, 5
0.125 @ 70°C
13″
0.5 @ 70°C
1.0 @ 70°C
2.0 @ 25°C
200
300
350
500
400
5,000 max.
600
1,500 max.
700
12mm
4mm
100
100
0.1 to 1.6M
CHP 1
2512
F
CHP 2
F
MCHP 1
MCHP 2
2512
95006
94047
13″
13″
5,000 max.
1,500 max.
1000
12mm
0.1 to 2.2M
0.2 to 2.2M
4mm
100
4mm
100
¹ See page 8 for product dimensions, recommended solder pads, and standard packaging. ² For operation above 70°C, use power derating curve. ³ Not to exceed
√
P x R
5
standard and will
*The
4
13″ reel is
85083
Formerly
considered
Formerly 87037
be supplied unless otherwise specified.
H
3610
24mm
Power Derating Curve
Power Derating Curve
100
120
CHP 1/8, 1/2, 1
Repetitive Surge Curve
1000
MCHP
2
CHP
% of Rated Power
% of Rated Power
80
100
Peak Power (watts)
60
80
40
60
40
20
CHP 2
94
04
7
95
00
6,
100
MCHP 1
CHP 1
95
01
1,
94
04
8,
10
CHP
MCHP
1/8
MCHP 1/2
20
0
30 40 50 60 70 80 90 100 110 120 130 140 150
0
25 35 45 55 65 75 85 95 105 115 125 135 145
Ambient
90 100 110 120 130
30 40 50 60 70 80
Temperature (°C)
140 150
1
0.0001
.1msec
0.0010
1msec
0.0100
10msec
Ambient Temperature (°C)
100msec
0.1000
10000msec
1.0000
Surge or Pulse Duration (seconds)
Note: Use for repetitive pulses where the average power dissipation is
not to exceed the component rating at 70°C. Surge handling capacity
for low-repetitive surges may be significantly greater than shown above.
对于存储巨头们来说，都纷纷进行了业绩预警，行业的寒冬来了，所以内存、SSD降价的序幕才刚刚拉开。今年以来NAND闪存价格持续下滑，作为闪存一哥的三星也撑不住了，SSD价格也要打价格战了，比如980 Pro 1TB只要899元，2TB版要2099元等等。当然了，类似这种降价才刚开始，这才哪到哪。 最近几个月，价格下跌导致韩国三星电子公司和美光科技公司等知名存储芯片巨头发布严峻的预测，该预...[详细]
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