General Note
IRC reserves the right to make changes in product specifi cation without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of
TT electronics plc
s3OUTH3TAPLES3TREETs#Orpus Christi TeXAS53!
Wire and Film Technologies Division
Telephone:sFacsimile:s Website: www.irctt.com
Metal Glaze™ General Purpose
Surface Mount Power Resistor
MM Series
s Up to 2 watts
sUp to 1000 volts
s 0.1 ohm to 2.2 megohm range
s 150°C maximum operating temperature
Electrical Data
Size
Code
Industry
Footprint
IRC
Type
Maximum
Power
Rating
Working
Voltage
Resistance
Range
(ohms)²
Tolerance
(+%)³
TCR
(ppm/°C)³
Product
Category
B1206 MMA0204 1/2 400
0.1 to 0.99 1, 2, 5 100 Low Range
1.0 to 1.0M 1, 2, 5 50, 100 Standard
20 to 348K 0.25, 0.5 50, 100 Tight Tolerance
F2512 MMB0207 1 700
0.1 to 0.99 1, 2, 5 100 Low Range
1.0 to 2.21M 1, 2, 5 50, 100 Standard
20 to 348K 0.25, 0.5 50, 100 Tight Tolerance
H3610 MMC0310 2 1000 0.1 to 0.99 1, 2, 5 100 Low Range
1.0 to 2.21M 1, 2, 5 50, 100 Standard
¹Not to exceed P x R ²Consult factory for tighter TCR, tolerance, or resistance values.
Environmental Data
dohteM tseTegnahC mumixaMscitsiretcarahC
Temperature Coeffi cient As specifi ed MIL-R-55342E Par 4.7.9 (-55°C +125°C)
Thermal Shock ±0.5% +0.01MIL-R-55342E Par 4.7.3 (-65°C +150°C, 5 cycles)
Low Temperature Operation ±0.25% +0.01MIL-R-55342E Par 4.7.4 (-65°C @ working voltage)
Short Time Overload ±0.5% +0.01
±1% for R>100K
MIL-R-55342E Par 4.7.5
2.5 x P x R for 5 seconds
High Temperature Exposure ±0.5% +0.01MIL-R-55342E Par 4.7.6 (+150°C for 100 hours)
Resistance to Bonding Exposure ±0.25% +0.01MIL-R-55342E Par 4.7.7 (Refl ow soldered to board at 260°C for 10 seconds)
Solderability 95% minimum coverage MIL-STD-202, Method 208 (245°C for 5 seconds)
Moisture Resistance ±0.5% +0.01MIL-R-55342E Par 4.7.8 (10 cycles, total 240 hours)
Life Test ±0.5% +0.01MIL-R-55342E Par 4.7.10 (2000 hours @ 70°C intermittent)
Terminal Adhesion Strength ±1% +0.01
no mechanical damage
1200 gram push from underside of mounted chip for
60 seconds
Resistance to Board Bending ±0.5% +0.01
no mechanical damage
Chip mounted in center of 90mm long board, defl ected 5mm
so as to exert pull on chip contacts for 10 seconds
Metal Glaze™ thick
film element fired
at 1000°C to solid
ceramic substrate
High
temperature
dielectric
coating
60/40 Solder
over nickel barrier
--3ErIES)SSUE-ARCH3HEETOF
Metal Glaze™ General Purpose
Surface Mount Power Resistor
MM Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
09.12
· Up to 2 watts
· Up to 1000 volts
· 0.1 ohm to 2.2 megohm range
· 150°C maximum operating temperature
General Note
IRC reserves the right to make changes in product specifi cation without notice or liability.
All information is subject to IRC’s own data and is considered accurate at time of going to print. A subsidiary of
TT electronics plc
s3OUTH3TAPLES3TREETs#Orpus Christi TeXAS53!
Wire and Film Technologies Division
Telephone:sFacsimile:s Website: www.irctt.com
Metal Glaze™ General Purpose
Surface Mount Power Resistor
MM Series
s Up to 2 watts
sUp to 1000 volts
s 0.1 ohm to 2.2 megohm range
s 150°C maximum operating temperature
Electrical Data
Size
Code
Industry
Footprint
IRC
Type
Maximum
Power
Rating
Working
Voltage
Resistance
Range
(ohms)²
Tolerance
(+%)³
TCR
(ppm/°C)³
Product
Category
B1206 MMA0204 1/2 400
0.1 to 0.99 1, 2, 5 100 Low Range
1.0 to 1.0M 1, 2, 5 50, 100 Standard
20 to 348K 0.25, 0.5 50, 100 Tight Tolerance
F2512 MMB0207 1 700
0.1 to 0.99 1, 2, 5 100 Low Range
1.0 to 2.21M 1, 2, 5 50, 100 Standard
20 to 348K 0.25, 0.5 50, 100 Tight Tolerance
H3610 MMC0310 2 1000 0.1 to 0.99 1, 2, 5 100 Low Range
1.0 to 2.21M 1, 2, 5 50, 100 Standard
¹Not to exceed P x R ²Consult factory for tighter TCR, tolerance, or resistance values.
Environmental Data
dohteM tseTegnahC mumixaMscitsiretcarahC
Temperature Coeffi cient As specifi ed MIL-R-55342E Par 4.7.9 (-55°C +125°C)
Thermal Shock ±0.5% +0.01MIL-R-55342E Par 4.7.3 (-65°C +150°C, 5 cycles)
Low Temperature Operation ±0.25% +0.01MIL-R-55342E Par 4.7.4 (-65°C @ working voltage)
Short Time Overload ±0.5% +0.01
±1% for R>100K
MIL-R-55342E Par 4.7.5
2.5 x P x R for 5 seconds
High Temperature Exposure ±0.5% +0.01MIL-R-55342E Par 4.7.6 (+150°C for 100 hours)
Resistance to Bonding Exposure ±0.25% +0.01MIL-R-55342E Par 4.7.7 (Refl ow soldered to board at 260°C for 10 seconds)
Solderability 95% minimum coverage MIL-STD-202, Method 208 (245°C for 5 seconds)
Moisture Resistance ±0.5% +0.01MIL-R-55342E Par 4.7.8 (10 cycles, total 240 hours)
Life Test ±0.5% +0.01MIL-R-55342E Par 4.7.10 (2000 hours @ 70°C intermittent)
Terminal Adhesion Strength ±1% +0.01
no mechanical damage
1200 gram push from underside of mounted chip for
60 seconds
Resistance to Board Bending ±0.5% +0.01
no mechanical damage
Chip mounted in center of 90mm long board, defl ected 5mm
so as to exert pull on chip contacts for 10 seconds
Metal Glaze™ thick
film element fired
at 1000°C to solid
ceramic substrate
High
temperature
dielectric
coating
60/40 Solder
over nickel barrier
--3ErIES)SSUE-ARCH3HEETOF
Metal Glaze™ General Purpose
Surface Mount Power Resistor
MM Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
09. 12
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
Physical Data
Size Code
Industry
Footprint Actual Size
Dimensions (Inches and (mm)
L W C*
B 1206 0.128 ± 0.007
(3.25 ± 0.18)
0.057 ± 0.006
(1.45 ± 0.15)
0.020 ± 0.010
(0.51 ± 0.25)
F 2512 0.251 ± 0.010
(6.38 ± 0.25)
0.079 ± 0.006
(2.01 ± 0.15)
0.040 ± 0.010
(1.02 ± 0.25)
H 3610 0.367 ± 0.010
(9.32 ± 0.25)
0.105 ± 0.006
(2.67 ± 0.15)
0.050 ± 0.010
(1.27 ± 0.25)
Recommended Solder Pad Dimensions (Refl ow):
Size
Code
Industry
Footprint
Dimensions (Inches and mm))
ABCDEF
B 1206 0.076
(1.93)
0.093
(2.36)
0.058
(1.47)
0.098
(2.49)
0.032
(0.81)
0.211
(5.36)
F 2512 0.121
(3.07)
0.126
(3.20)
0.127
(3.23)
0.183
(4.65)
0.040
(1.02)
0.369
(9.37)
H 3610 0.170
(4.32)
0.160
(4.06)
0.213
(5.41)
0.273
(6.93)
0.044
(1.12)
0.553
(14.05)
F
E
B
D
ACA
L
C
W
*C dimension is average termination width.
Metal Glaze™ General Purpose
Surface Mount Power Resistor
MM Series Issue March 2009 Sheet 2 of 3
Metal Glaze™ General Purpose
Surface Mount Power Resistor
MM Series
www.bitechnologies.com www.irctt.com www.welwyn-tt.com
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.
© TT electronics plc
09. 12
• 4222 South Staples Street • Corpus Christi Texas 78411 USA
Wire and Film Technologies Division
Telephone: 361 992 7900 • Facsimile: 361 992 3377 • Website: www.irctt.com
Power Derating Curve Repetitive Surge Curve
Sample Part No.
IRC Type
(MMA0204, MMB0207, MMC0310)
Temperature Coeffi cient
50 = ±50 ppm/°C; 100 = ±100 ppm/°C
Resistance Value
(100 ohms and greater - First 3 signifi cant fi gures plus 4th digit multiplier)
Example: 100 ohms = 1000, 1000 ohms = 1001, 150,000 ohms = 1503
(Less than 100 ohms - ‘R’ is used to designate decimal)
Example: 51 ohms = 51R0, 1 ohm = 1R00, 0.25 ohm = R250
Tolerance
(D = 0.5%, F = 1.0%)
Packaging Details
(BLK = Bulk, 7 = 7" Reel, 13 = 13" Reel)
Ordering Data
MMA0204 50 2203 F 13
Ambient Temperature (°C)
30 40 50 60 70 80 90 100 110 120 130 140 150
Percent Relative Power
120
100
80
60
40
20
0
2
1/8, 1/2, 1 12
1/8 1/2
0.0001 0.0010 0.0100 0.1000 1.0000
.1msec 1msec 10msec 100msec 10000msec
1000
100
10
1
Peak Power (watts)
Surge or Pulse Duration (seconds)
Note: Use for repetitive pulses where the average power dissipation is not to exceed
the component rating at 70C. Surge handling capacity for low-repetitive surges may
be signifi cantly greater than shown above. Contact factory for recommendations.
Size
Code
Industry
Footprint
Reel
Diameter*
Quantity
Per Reel
Carrier Tape
Width
Component
Pitch
B 1206 7s2,500 max. 8mm 4mm
13s10,000 max.
F 2512 7" 1,500 max. 12mm 4mm
13s5,000 max.
H 3610 13s1,500 max. 24mm 4mm
*The 13sreel is considered standard and will be supplied unless otherwise specifi ed.
Standard Reel Packaging per EIA-481:
Metal Glaze™ General Purpose
Surface Mount Power Resistor
Note:
RoHS compliance is noted by inserting “LF”
into the part number immediately following the
tolerance designator. RoHS compliant metalli-
zation is 96.5% Sn / 3% Ag / 0.5% Cu. RoHS-
compliant product is NOT backwards compat-
ible to Sn/Pb soldering environments.
MM Series Issue March 2009 Sheet 3 of 3