A P P ꢁ ꢂ C A T ꢂ O N S
F E A T ꢀ R E S
• Industrial electronics, power
electronics: power supply, DC/
DC converter, AC/DC converter,
motor controller, automotive
electronics
• Battery charger, PC, PDA, 3C
products, Telecommunications,
instruments, white goods
MCS Series
• NiCu or MnCu resistive alloy;
material TCR ±10ppm/°K
• Marking epoxy UL-94-V0 confor-
mal
• 96% alumina substrate thermo
dissipation protective layer
• Cu terminal electrode Pb-free
termination
• Flame-retardant epoxy protective
coat (UL-94-V0)
• Ultra low resistance value
(0.005Ω ~ 0.050Ω); long side
electrode to satisfy the most
demanding current-sense appli-
cations.
• Precision resistance alloy
(NiCr20AlSi, or CuMnNi);
material selected for low TCR
(<50ppm/°C)
• Superior temperature coeffi-
cient characteristics; resistance
vs. temp. change from 25°C
to 125°C within 10ppm/°C ~
50ppm/°C
Metal Element Current Sense
Resistive Metal Alloy mOhm Technology, SMD
Marking
Epoxy UL-94-V0
Conformal
96% Alumina Substrate
Thermo-dissipation
Protective Layer
Cu Electrode
Pb-free Termination
S P E C ꢂ F ꢂ C A T ꢂ O N S
Resistance Range:
0.005Ω - 0.05Ω
NiCu or MnCu Flame-retardant Epoxy
Resistive Alloy Protective Coat
Material TCR ±10ppm/°K
Color: white (top) / green (bottom)
Power: 1 and 2 watts at 70°C
Standard resistance values
(mΩ): 5, 10, 15, 20, 25, 30, 35,
50
TCR: ±50ppm/°C (two standard
series of temperatures: 25°C,
0°C, -15°C, -55°C and 25°C,
50°C, 75°C, 125°C, 150°C;
temp. tolerance ±3°C; TCR =
(R2-R1)/R1(T2-T1)x106)
Tolerance: 1%, 3%, 5%
Rated voltage: (PxR)1/2
Power
Rating
Resistance TCR (ppm/°C)
Series
(@70°C) 5mΩ 10mΩ 15mΩ 20mΩ 25mΩ 30mΩ 40mΩ 50mΩ
MCS1632
MCS3264
1W
2W
<200 <70 <40 <40 <40 <40 <40 <40
<200 <70 <40 <40 <40 <40 <40 <40
• Low inductance, low thermo
EMF (<50µV/°C)
d i m e n S i o n S ( ꢀ ꢁ . / ꢂ ꢂ ± ± . ± 0 )
P A C ꢃ A ꢄ ꢂ N ꢄ ( i n . / m m )
Solder
Thickness (µm/w)
Tape width Reel diam.
0.30mm 0.50mm
Weight
Part.
no.
Size
ꢁ
W
a
N
ꢁ2
O
Size
Pc/Reel (g 10)
MCS1632 0.126/3.20 0.063/1.60 0.020/0.50 0.059/1.50 0.039/1.00 0.079/2.00
MCS3264 0.252/6.40 0.126/3.20 0.040/1.00 0.079/2.00 0.165/4.20 0.150/3.80
35/0.5ꢂ 105/1.0
35/1.0ꢂ 105/2.0
MCS1632
MCS3264
0.315/8.00 7.00/178.0
0.472/12.00 7.00/178.0
5000
4000
131
291
T5
T4
W
P e r f o r m a n c e c h a r a c t e r i S t i c S
Test
Short Time
Overload
High Temp.
Exposure
Low Temp.
Storage
Condition
JIS C 5201 4.13; Overload voltage
2.5x rated voltage for 5 sec.
JIS C 5202 7.11; Test chamber 155 ± 3ꢁC for
1000 +48/-0 hours
JIS C 5202 7.1; Test chamber -55 ± 3ꢁC
for 96 ± 4 hours
Maximum ∆R
a
N
± ±0.5ꢀ +0.0005Ω)
± ±0.5ꢀ +0.0005Ω)
± ±0.5ꢀ +0.0005Ω)
± ±0.5ꢀ +0.0005Ω)
Land
L
L2
Pattern
Endurance under JIS C 5202 7.9; Temp. 60 ± 2ꢁCꢂ relative
Damp and Load humidity 90-95ꢀꢂ rated DC voltage applied
90 min. onꢂ 30 min. off for 1000 +48/-0 hours
0.024"
O
0.60mm ±0.02
Thermal Shock JIS C 5202 7.4; -55 ± 3ꢁC for 30 min. to
room temp for 2-3 min. to +150 ± 2ꢁC for
± ±0.5ꢀ +0.0005Ω)
D E R A T ꢂ N ꢄ
30 min. to room temp for 2-3 min.ꢂ 100 cycles
Load Life
JIS C 5202 7.10; Temp. 70 ± 2ꢁCꢂ rated DC voltage ± ±1ꢀ +0.0005Ω)
applied 90 min. onꢂ 30 min. off for 1000 +48/-0 hours
100
Solderability
JIS C 5202 6.5; Solder temp. 235 ± 5ꢁCꢂ
2 ± 0.5 sec. immersion
JIS C 5202 6.4; Solder temp. 260 ± 5ꢁCꢂ
10 ± 1 sec. immersion
JIS C 5202 6.2; Load 10N ±1.02kgf) for
10 ± 1 sec.ꢂ middle of specimen pressurized
New solder min.
90ꢀ of terminal
80
60
50
Resistance to
Solder Heat
Mechanical
Shock
Insulation
Resistance
± ±0.5ꢀ +0.0005Ω)
± ±0.5ꢀ +0.0005Ω)
>102MΩ
40
20
0
JIS C 5202 5.6; DC 100 ± 15ꢃ for 1 min.
-55
70
100
150
175
Ambient Temperature, °C
S ta n d a r d v a l u e S
Power Ohm
Qty./
Power Ohm
Qty./
Part Number
Rating Value Reel Part Number
Rating Value Reel
o r d e r i n G i n f o r m at i o n
MCS1632R010FER 1W 0.01Ω 5000 MCS3264R005FER 2W 0.005Ω 4000
MCS1632R015FER 1W 0.015Ω 5000 MCS3264R010FER 2W 0.01Ω 4000
MCS1632R020FER 1W 0.02Ω 5000 MCS3264R015FER 2W 0.015Ω 4000
MCS1632R025FER 1W 0.025Ω 5000 MCS3264R020FER 2W 0.02Ω 4000
MCS1632R050FER 1W 0.05Ω 5000 MCS3264R025FER 2W 0.025Ω 4000
MCS3264R050FER 2W 0.05Ω 4000
RoHS Compliant
M C S 1 6 3 2 R 0 0 5 F E R
Series
Metal Alloy
Current Sense
Ohms
Tolerance Taping Code
Case Size
1632 = 1w
3264 = 2w
R005 = 0.005Ω F = 1%
1632 = 5,000 pc/reel
3264 = 4,000 pc/reel
Check product availability at www.ohmite.com
Ohmite Mfg. Co. 1600 Golf Rd., Rolling Meadows, IL 60008 • 1-866-9-OHMITE • Int’l 1-847-258-0300 • Fax 1-847-574-7522 • www.ohmite.com • info@ohmite.com
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