电阻 脉冲 MSD/Firstohm
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MSD

Specifications Per
● IEC-115-4     
● MIL-11804     
● DIN-44603 

Features
● Special composite film on high grade
    ceramic substrate     
● Flameproof coating meets UL-94V-0 
    and overload test UL-1412    
● Excellent anti-surge capability     
● Absorbs pulse from city power line, 
    direct crossing or inductive coupling 
● Protects electric equipment or parts
    from accidental shock    
● Able to replace wire-wound resistor with
    lower cost 

Pulse Safety Resistor

General Specifications
Type No. Power
Rating
At 70° C
Max.
Working
Voltage
Max.
Overload
Voltage
Min.
Resistance
Max.
Resistance
Resistance
Tolerance
Standard
Resistance
Values
Temperature
Coefficient,
PPM / ° C

MSD25

1/4W  250V  500V  0.1Ω  1MΩ  ±5%  E-24  ±300 

MSD050

1/2W  350V  500V  0.1Ω  120KΩ  ±0.1%  E-24/E-96  ±300 

MSD050

1/2W  350V  500V  0.1Ω  120KΩ  ±0.5%  E-24/E-96  ±300 

MSD050

1/2W  350V  500V  0.1Ω  120KΩ  ±1%  E-24/E-96  ±300 

MSD050

1/2W  350V  500V  0.1Ω  120KΩ  ±5%  E-24/E-96  ±300 

MSD100

1W  350V  600V  0.1Ω  120KΩ  ±0.1%  E-24/E-96  ±300 

MSD100

1W  350V  600V  0.1Ω  120KΩ  ±0.5%  E-24/E-96  ±300 

MSD100

1W  350V  600V  0.1Ω  120KΩ  ±1%  E-24/E-96  ±300 

MSD100

1W  350V  600V  0.1Ω  120KΩ  ±5%  E-24/E-96  ±300 

MSD200

2W  350V  600V  0.1Ω  150KΩ  ±0.1%  E-24/E-96  ±300 

MSD200

2W  350V  600V  0.1Ω  150KΩ  ±0.5%  E-24/E-96  ±300 

MSD200

2W  350V  600V  0.1Ω  150KΩ  ±1%  E-24/E-96  ±300 

MSD200

2W  350V  600V  0.1Ω  150KΩ  ±5%  E-24/E-96  ±300 

MSD300

3W  350V  700V  0.1Ω  150KΩ  ±0.1%  E-24/E-96  ±300 

MSD300

3W  350V  700V  0.1Ω  150KΩ  ±0.5%  E-24/E-96  ±300 

MSD300

3W  350V  700V  0.1Ω  150KΩ  ±1%  E-24/E-96  ±300 

MSD300

3W  350V  700V  0.1Ω  150KΩ  ±5%  E-24/E-96  ±300 

MSD400

4W  450V  700V  0.1Ω  180KΩ  ±0.1%  E-24/E-96  ±300 

MSD400

4W  450V  700V  0.1Ω  180KΩ  ±0.5%  E-24/E-96  ±300 
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