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231216653889

Description
Fixed Resistor, Thin Film, 0.3W, 38.8ohm, 150V, 0.5% +/-Tol, -25,25ppm/Cel
CategoryPassive components    The resistor   
File Size188KB,13 Pages
ManufacturerVishay
Websitehttp://www.vishay.com
Environmental Compliance
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231216653889 Overview

Fixed Resistor, Thin Film, 0.3W, 38.8ohm, 150V, 0.5% +/-Tol, -25,25ppm/Cel

231216653889 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Reach Compliance Codecompli
structureCylindrical
Number of terminals2
Maximum operating temperature155 °C
Minimum operating temperature-55 °C
Package diameter1.1 mm
Package length2.2 mm
Package shapeCYLINDRICAL PACKAGE
Package formMELF
method of packingTR, Blister, 7 Inch
Rated power dissipation(P)0.3 W
GuidelineAEC-Q200
resistance38.8 Ω
Resistor typeFIXED RESISTOR
seriesMMU0102-PROFESSIONAL
technologyTHIN FILM
Temperature Coefficient-25,25 ppm/°C
Tolerance0.5%
Operating Voltage150 V
Base Number Matches1
MMU 0102, MMA 0204, MMB 0207 - Professional
www.vishay.com
Vishay Beyschlag
Professional Thin Film MELF Resistors
FEATURES
• Approved according to EN 140401-803
• AEC-Q200 qualified
• Advanced metal film technology
• Excellent overall stability: Exceeds class 0.25
• Sulfur resistance verified according to
ASTM B 809
• Material categorization:
For definitions of compliance please see
www.vishay.com/doc?99912
MMU 0102, MMA 0204 and MMB 0207 professional thin film
MELF resistors are the perfect choice for most fields of
modern professional electronics where reliability and
stability is of major concern. The typical applications in the
fields of automotive, telecommunication and medical
equipment reflect the outstanding level of proven reliability.
APPLICATIONS
• Automotive
• Telecommunication
• Industrial
• Medical equipment
TECHNICAL SPECIFICATIONS
DESCRIPTION
DIN size
Metric CECC size
Resistance range
Resistance tolerance
Temperature coefficient
Rated dissipation,
P
70 (1)
Operating voltage,
U
max.
AC/DC
Operating temperature range
Permissible voltage against ambient (insulation):
1 min,
U
ins
Continuous
Failure rate: FIT
observed
Note
(1)
Please refer to APPLICATION INFORMATION below.
200 V
75 V
300 V
75 V
0.1
x 10
9
/h
500 V
75 V
MMU 0102
0102
RC 2211M
0.22
to 2.21 M; 0
±5 %; ± 2 %; ± 1 %; ± 0.5 %
MMA 0204
0204
RC 3715M
0.22
to 10 M; 0
±5 %; ± 1 %; ± 0.5 %
MMB 0207
0207
RC 6123M
0.1
to 15 M; 0
±5 %; ± 2 %; ± 1 %; ± 0.5 %
± 100 ppm/K; ± 50 ppm/K;
± 25 ppm/K
1.0 W
350 V
- 55 °C to 155 °C
± 50 ppm/K; ± 25 ppm/K
0.3 W
150 V
- 55 °C to 155 °C
0.4 W
200 V
- 55 °C to 155 °C
APPLICATION INFORMATION
The power dissipation on the resistor generates a temperature rise against the local ambient, depending on the heat flow
support of the printed-circuit board (thermal resistance). The rated dissipation applies only if the permitted film temperature is
not exceeded. Furthermore, a high level of ambient temperature or of power dissipation may raise the temperature of the solder
joint, hence special solder alloys or board materials may be required to maintain the reliability of the assembly.
These resistors do not feature a limited lifetime when operated within the permissible limits. However, resistance value drift
increasing over operating time may result in exceeding a limit acceptable to the specific application, thereby establishing a
functional lifetime. At the maximum permissible film temperature of 155 °C the useful lifetime is specified for 8000 h. The
designer may estimate the performance of the particular resistor application or set certain load and temperature limits in order
to maintain a desired stability.
Revision: 22-Apr-14
Document Number: 28713
1
For technical questions, contact:
melf@vishay.com
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
Switching Power Supply Data
[i=s]This post was last edited by paulhyde on 2014-9-15 09:10[/i] for everyone to share....
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