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MR93 Series
Vishay Mills
Wirewound Resistor, Ultra Precision, Epoxy Molded, Axial Lead
FEATURES
• Resistance values up to 6 M
• Resistance tolerances down to ± 0.01 %
• Temperature coefficients down to 2 ppm/°C
• Material categorization: For definitions of compliance please see www.vishay.com/doc?99912
STANDARD ELECTRICAL SPECIFICATIONS
GLOBAL MODEL
MR9352 MR9353 MR9354 MR9355 MR9356 MR9357 MR9358 MR9359
POWER RATING P25 °C W
0.750 0.500 0.330 0.250 0.200 1.000 1.500 2.000
TOLERANCE ±%
0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1 0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1 0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1 0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1 0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1 0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1 0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1 0.01, 0.02, 0.05, 0.1, 0.25, 0.5, 1
RESISTANCE RANGE
10 to 6.0M 10 to 3.8M 10 to 2.5M 10 to 1.2M 10 to 1.0M 10 to 6.0M 10 to 6.0M 10 to 6.0M
MAXIMUM WORKING VOLTAGE V 600 400 400 300 200 800 900 1000
TECHNICAL SPECIFICATIONS
PARAMETER
UNIT
Temperature Coefficient
ppm/°C
Terminal Strength
lb
Dielectric Withstanding Voltage Operating Temperature Range
VAC °C
Maximum Working Voltage
V
MR93 RESISTOR CHARACTERISTICS ± 10 > 100 ; ± 20 for 10 to 100 4.5 750 - 55 to 145 (P x R)1/2
GLOBAL PART NUMBER INFORMATION
Global Part Numbering example: MR9355500K00AAE66 (visit www.vishay.net SAP parts manual for all options)
MR 9 3 5 5 5 0 0 K 0 0 AAE
6
6
GLOBAL MODEL (6 digits)
VALUE (6 digits)
TOLERANCE (1 digit)
(See Standard Electrical Specifications Global Model column for options)
R = Decimal K = Thousand
M = Million 15R000 = 15 1K5000 = 1.5 k 1M0000 = 1 M
T = ± 0.01 % Q = ± 0.02 % A = ± 0.05 % B = ± 0.1 % C = ± 0.25 % D = ± 0.5 % F = ± 1.0 %
Historical Part Number example: MR9355W500K0A
MR9355
W = STANDARD
HISTORICAL MODEL
TC
TC (1 digits)
A = Standard, 10, 20 (W)
B = 3900 (Q) C = 4500 (M) D = 6000 (N)
G=5 J=2
PACKAGING CODE (3 digits)
E66 = Lead (Pb)-free bulk pack
SPECIAL (1 digits)
(Dash Number) From 1 to 9 as applicable
500 k RESISTANCE VALUE
0.05 % TOLERANCE
Revision: 17-Aug-12
1 Document Number: 31813
For technical questions, contact:
[email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
www.vishay.com DIMENSIONS in inches [millimeters]
L LD
MR93 Series
Vishay Mills
GLOBAL MODEL
MR9352 MR9353 MR9354 MR9355 MR9356 MR9357 MR9358 MR9359
D
L ± 0.025 [0.635]
1.000 [25.40] 0.750 [19.05] 0.750 [19.05] 0.500 [12.70] 0.375 [9.52] 1.000 [25.40] 1.500 [38.10] 2.000 [50.80]
DIMENSIONS in inches [millimeters] D
± 0.005 [0.127] 0.375 [9.52] 0.375 [9.52] 0.250 [6.35] 0.250 [6.35] 0.250 [6.35] 0.500 [12.70] 0.500 [12.70] 0.500 [12.70]
LD ± 0.002 [0.051]
0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813] 0.032 [0.813]
MATERIAL SPECIFICATIONS
Element: Nickel-chrome alloy, other materials available depending on TC requirements Core: Molded epoxy Encapsulant: Epoxy Standard Terminals: 100 % matte tinned copper Part Marking: MILLS, model, value, tolerance, date code
Note • Due to resistor size limitations some resistors will have minimal
information marked on parts
DERATING
RATED POWER IN %
180 160 140 120 100
80 60 40 20
00
1 %, 0.5 %, 0.1 % Tolerance 0.05 %, 0.02 % Tolerance
0.01 % Tolerance
20 40
60 80 100 120 140 160 AMBIENT TEMPERATURE IN °C
PERFORMANCE
TEST Dielectric Withstanding Voltage
High Frequency Vibration
High Temperature Exposure
Load Life
Low Temperature Storage Moisture Resistance Shock, Specified Pulse Thermal Shock Short Time Overload Terminal Strength
CONDITIONS OF TEST MIL-STD-202 Method 301, 750 VRMS MIL-STD-202 Method 204, condition D, frequency varied 10 Hz to 2000 Hz, 20 g peak MIL-STD-202 Method 108, 2000 h at 145 °C MIL-STD-202 Method 108, 2000 h at 125 °C at rated power, 1.5 h “ON”, 0.5 h “OFF” - 65 °C for 24 h MIL-STD 202 Method 106 MIL-STD-202 Method 213, condition I, 5 shocks in 3 directions MIL-STD-202 Method 107, condition B 2 x rated power for 10 min MIL-STD-202 Method 211, conditions A and D, 4.5 lb
TEST LIMITS ± (0.01 %) R
± (0.01 %) R
± (0.01 %) R
± (0.1 % + 0.01 ) R
± (0.01 %) R ± (0.01 %) R ± (0.01 %) R ± (0.05 %) R ± (0.01 %) R ± (0.01 %) R
Revision: 17-Aug-12
2 Document Number: 31813
For technical questions, contact:
[email protected]
THIS DOCUMENT IS SUBJECT TO CHANGE WITHOUT NOTICE. THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
www.vishay.com
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