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Product Features: Compact size, lightweight, high power density, stable performance, excellent high-frequency characteristics. Encapsulated, with surface-mount end electrodes.
Applications: Power electronics, and other fields. Suitable for electronic circuits such as current sensors, current-limiting resistors in power supplies, instruments, meters, and power amplifiers for signal acquisition, voltage regulation, and current limitation.
Product Standard: Detailed specification of RM11070 surface-mount alloy resistor according to Q/RW 60001-2021.
Size:
specifications and models
rated power(W)
resistance range(Ω)
RM11070
3(Without heat sink)
0.01～0.1
Key Test Items:
Test items:
Test conditions:
Performance parameters:
Dielectric withstand voltage
Voltage: 500 Vac, 1 minute, between electrode and encapsulant
No breakdown, arcing
Insulation resistance
Voltage: 100 Vdc, 2 minutes, between electrode and encapsulant,3 times the rated power load for 5 seconds
Resistors can be individually mounted on ceramic or glass fiber substrates and connected to the conductor surface using pre-formed solder, conductive adhesive, or bonding wire. Pay attention to coordinating the coefficient of linear expansion between the substrate and the resistor to reduce stress on the solder joints.
When mounting resistors on a substrate, the marked side (film layer) should face upwards. When picking up chip resistors with tweezers, try to grip both electrode ends to avoid causing mechanical damage to the resistor.
Once chip resistors are installed, avoid removing them if possible. Removed resistors are not recommended for reuse. In case removal is necessary due to special circumstances, heat both ends of the solder simultaneously with two soldering irons (or specialized tools). Only remove the resistor when both ends of the solder have completely melted. Additional soldering is allowed during the welding process, but it should be done after the resistor has completely cooled. Soldering: The recommended installation method for chip resistors is reflow soldering. Specific installation methods should follow relevant assembly processes as detailed in "Electronic Product Manufacturing Technology" by Wang Weiping, published by Tsinghua University Press. When using a soldering iron to install resistors, the soldering temperature should not exceed 250°C, and the soldering time should not exceed 5 seconds. For manual soldering of chip resistors, the recommended method is as follows: first, apply adhesive in the middle of the two solder pads; then, use tweezers to stick the resistor on the adhesive and cure it according to the adhesive's instructions; finally, hold a soldering iron in one hand and solder wire in the other, soldering each end of the resistor accordingly.
Recommended pad dimensions:
Ordering Example:
Model Number :RM11070-3W
Rated Power:3W
Nominal Resistance:0.1Ω
Resistance Tolerance:±5%
Quantity:1000 pieces
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter
Year Established:
1997
Employee Number:
100~200
Ecer Certification：
Verified Supplier
The company's main business focuses on the research, development, production, sales, and service of power resistors and related intelligent loads, high-power air-cooled and liquid-cooled loads, and braking loads. Its products are divided into two categories: the first... The company's main business focuses on the research, development, production, sales, and service of power resistors and related intelligent loads, high-power air-cooled and liquid-cooled loads, and braking loads. Its products are divided into two categories: the first...
