RPH 100
Vishay Sfernice
www.vishay.com
Power Resistor for Mounting onto a Heatsink
Thick Film Technology
FEATURES
• Compliant with requirement #26 of
NF-EN45545-2
• High power rating
• Low thermal radiation of the case
• Wide ohmic value range
• Easy mounting
• High overload capabilities
• Reduced size and weight
LINKS TO ADDITIONAL RESOURCES
• Material categorization: for definitions of compliance
please see www.vishay.com/doc?99912
3
D
3D Models
This new style has been developed as an extension to RCH range. Through the use of thick film technology, a non-inductive
solution for power resistors is available which are rated up to 100 W at +25 °C. The terminations position prevents any risk of
an electrical arc to the heatsink. This resistor series can replace and offer advantages to standard wirewound devices.
DIMENSIONS in millimeters
65.2 ꢀ.ꢁ
35
V Connections
ꢁ2.ꢁ ꢀ.5
Ø ꢁ.2
25.6 ꢀ.ꢁ
ꢁ
37 ꢁ6.7
16.6 18.5 ꢀ.ꢁ 21.15 ꢀ.7
Ø ꢁ.2
Note
Tolerances unless stated: 0.2 mm
•
STANDARD ELECTRICAL SPECIFICATIONS
RESISTANCE
RANGE
Ω
RATED POWER
LIMITING ELEMENT
TEMPERATURE
COEFFICIENT
ꢁꢁmꢂ°C
TOLERANCE
ꢀ
MODEL
SIZE
P25 °C
VOLTAGE UL
W
V
RPH 100
100
0.092 to 1M (1)
100
1900
1, 2, 5, 10
150
Note
(1)
E24 series
MECHANICAL SPECIFICATIONS
TECHNICAL SPECIFICATIONS
Flammability
Insulated case UL 94 V-0
Continuous
100 W at 25 °C
chassis mounted 0.45 °C/W
10 W at 25 °C free air
Power Rating
Resistive Element
Cermet
Momentary
Alumina on metallic base of
nickel coated aluminum
Substrate
Temꢁerature
Coefficient
300 ppm/°C < 1 Ω
150 ppm/°C > 1 Ω
Standard
End Connections
V connections: Screws M4 x 6
Tightening Torque
Connections
Tightening Torque Heatsink
Weight
Thermal Resistance
0.55 °C/W
1 Nm
Dielectric Strength
MIL STD 202
5 kVRMS, 1 min,
10 mA max.
3 Nm
60 g 10 ꢀ
Insulation Resistance
Inductance
> 106 MΩ
< 0.1 μH
ENVIRONMENTAL SPECIFICATIONS
Thermal Resistance
Temꢁerature Range
Climatic Category
Rth (j - c) 0.55 °C/W
-55 °C to +125 °C
55 / 125 / 56
Revision: 13-Apr-2021
Document Number: 50046
1
For technical questions, contact: sferfixedresistors@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