Low Noise Carbon MELF Resistors
(RDM)Introduction (RDM)
Token Carbon Film MELF (RDM) is the cost-effective option.
Commercial grade low power carbon film resistors offer high quality performance for applications that do not require surge protection or precision tolerances.
Providing design engineers with an economical power resistor with high quality performance, Token Electronics now offers commercial grade low power carbon film resistors. Designated the RDM Series, the conformally coated resistors offer high quality performance for applications that do not require surge protection or precision tolerances.
The commercial grade carbon melf resistors are available in flame retardant packaging and have ideal specifications for consumer electronic or electrical devices. The RDM Series resistors offer a wide resistance range for devices with power ratings below 1W, delivering high quality performance for general purpose applications.
The RDM Series resistors are ideal for general use applications including electrical equipment, small appliances and consumer electronics, such as televisions and other high-volume products.
The RDM Series film resistors feature power ratings from 0.125 to 1W, with a resistance range from 1 Ω to 1M Ω. Standard tolerances for the devices are to ±2% and ±5% with TCRs as low as ±300ppm/°C for values of 1K Ω or less. Maximum working voltage ranges from 200V to 350V.
Contact our sales representative with your specific needs. Download PDF Specification Low Noise Carbon Film MELF Resistors (RDM) (272KB).
Features :
- Coating color: Yellow; Marking: Color code (3 color band).
- Free direction for mounting due to cylindrical design. Electrodes strength is higher than flat chip resistors.
- Specially plated electrodes for high solderability. Lower current noise than flat chip resistors. Lead (Pb)-free and RoHS compliant.
- Speciality carbon film technology. DIN: 0204, 0207, 0309.
Applications :
- Home appliances, Electrical Equipment, Consumer electronics.
Dimensions (Unit: mm) Carbon Film (RDM)
|
|||||||||
Type | RDM73S | RDM73P | RDM74S | RDM74P | RDM16M | RDM17S | RDM17P | ||
DIN-44061 type | 0204 | 0204 | 0207 | 0207 | 0207 | 0309 | 0309 | ||
Dimensions (Unit: mm) | L | 3.5±0.2 | 3.5±0.2 | 5.9±0.2 | 5.9±0.2 | 5.9±0.2 | 8.5±0.2 | 8.5±0.2 | |
C (Min.) | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | 0.5 | ||
D1 | 1.40±0.15 | 1.40±0.15 | 2.2±0.1 | 2.2±0.1 | 2.2±0.1 | 3.2±0.2 | 3.2±0.2 | ||
D2 (Max.) | 1.55 | 1.55 | 2.4 | 2.4 | 2.4 | 3.4 | 3.4 | ||
D3 (Max.) | 1.25 | 1.25 | 2.1 | 2.1 | 2.1 | 3.0 | 3.0 |
Characteristics Lower Current Noise (RDM)
Type | RDM73S | RDM73P | RDM74S | RDM74P | RDM16M | RDM17S | RDM17P | |
DIN-44061 type | 0204 | 0204 | 0207 | 0207 | 0207 | 0309 | 0309 | |
Power Rating (W) | 1/8 | 1/4 | 1/4 | 1/2 | 1 | 1/2 | 1 | |
Resistance Range (Ω) E24 | 1 ~ 1M | |||||||
Resistance Tolerance | G: ±2% J: ±5% | |||||||
Max. Working Voltage (V) | 200 | 250 | 300 | 300 | 350 | 350 | 350 | |
Max. Overload Voltage (V) | 400 | 500 | 600 | 600 | 700 | 700 | 700 | |
Packaging & Qty (pcs) |
Case | 180K | 180K | 96K | 96K | 96K | 50K | 50K |
Reel | 3K | 3K | 2K | 2K | 2K | 2.5K | 2.5K |
Item | Characteristics | Test Method | ||||
Temp. Coefficient (PPM/°C) | 0 ~ -350 | 0 ~ -600 | 0 ~ -1000 | 0 ~ -1500 | JIS-C(5202-5.2) | |
>1/4W | <10K | 11K~115K | 160K~2M2 | - | ||
1/8W | <1K | 1K1~47K | 51K~470K | 510K~1M | ||
Short Time Overload | ± (1.0% + 0.05Ω) | JIS-C(5202-5.5) | ||||
Intermittent | ± (1.0% + 0.05Ω) | JIS-C(5202-5.8) | ||||
Resistance to Soldering | ± (1.0% + 0.05Ω) | JIS-C(5202-6.4) | ||||
Solderability | 95% Coverage min | JIS-C(5202-6.5) | ||||
Moisture Resistance | ± (5.0% + 0.1Ω) | JIS-C(5202-7.9) | ||||
Load Life | ± (3.0% + 0.1Ω) | JIS-C(5202-7.10) |
Order Codes Carbon MELF (RDM)
RDM74P | 1R | J | TR | ||||||||||||||||||||||||||||||
1 | 2 | 3 | 4 | ||||||||||||||||||||||||||||||
|
|
|
|
Useful Reference of Resistors in PDF download
Ceramic Composition, Precision, MELF Resistors Series PDF download (568KB).
Glossary & Terminology of MELF Resistors PDF download (240KB).
MELF Resistors General Information PDF download (215KB).
Selecting The Optimum Resistors PDF download (234KB).
Common Resistor Terminology PDF download (315KB).
Resistor Precautions in Usage PDF download (301KB).
Typical RoHS Reflow Profile PDF download (303KB).
What is a Resistor PDF download (562KB).