RM Series
NEW
High Voltage Power SMD
PRODUCT
BULLETIN
Ohmite's new RM Series resistors are designed to provide
high voltage performance in a power surface mount pack-
age. Designed with a thick film resistor element, RM style
resistors are ideal for high voltage power supplies, avion-
ics, medical electronics, and current pulse limiting applica-
tions.
FEATURES
• 0.75 watt rating @ 70°C
• 2,500 volts max.
• Rugged surface mount package
APPLICATIONS
GENERAL SPECIFICATIONS
Style
RM0R7EA
Tolerance
0.25% - 20%
Watts*
0.75
Ohms
500Ω - 300GΩ
Max. Operating
Voltage
2500V
• Avionics
• Medical electronics
• Current pulse limiting
• High voltage power supplies
SPECIFICATIONS
PHYSICAL DIMENSIONS
0.811"
±.020
20.599mm
±.508
0.273"
±.005
6.934mm
±.127
Resistor:
Thick film
Case:
High temperature epoxy, UL94V0 rated
Terminals:
Solder coated, copper clad steel
PERFORMANCE CHARACTERISTICS
0.273"
±.005
6.934mm
±.127
0.006
±.005
Dielectric Withstanding
Voltage
Operating Temperature
Range
Load Life
Humidity
MIL-STD-202, method 301, 750V
max.
∆R
±0.25%
-55°C to ±220°C
MIL-STD-202, method 108A,
condition D
MIL-STD-202, method 103B,
condition B
MIL-STD-202, method 107G,
condition B, B-1, or F
max.
∆R
±2.0%
max.
∆R
±0.25%
max.
∆R
±0.20%
0.005
±.001
0.093" 0.572"
±.010
2.362mm 14.529mm
±.254
Nom.
0.143"
±.012
3.632mm
±.305
0.268" REF
6.807mm REF
Thermal Shock
HOW TO ORDER
1.000"
25.4mm
Land Pattern
RM 0R7EA1M00J
Construction
M = Thick Film
Watts
0.75
Package
Ohms
R = decimal
K = 1,000
M = 1,000,000
G = 1,000,000,000
Tolerance
C = 0.25%
D = 0.5%
F = 1%
G = 2%
J = 5%
K = 10%
L = 20%
0.611"
15.52mm
0.195"
4.95mm
0.093"
2.36mm
0.155"
3.94mm
Recommended
for glue dot application
10 Ohmite Manufacturing Co. • 3601 Howard Street • Skokie, Illinois 60076 • Phone: 847-675-2600 • Fax: 847-675-1505 • ohmite@wwa.com • www.ohmite.com