metal film MELF resistor Firstohm First Resistor and Condenser MM204F590KTKRTR3K0 with stable temperature coefficient
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Product Description
Product Overview
The MM Metal Film MELF Resistor series offers SMD enabled structure with excellent solderability termination. These resistors meet RoHS requirements and are designed for reliability and cost-effectiveness through innovation. They are suitable for various electronic applications requiring precise resistance values and stable performance.
Product Attributes
- Brand: Firstohm
- Product Type: Metal Film MELF Resistor
- Certifications: IEC 60115-1, EN140401-803
- Compliance: RoHS
Technical Specifications
| Type | Power Rating At 70C | Maximum Working Voltage | Maximum Overload Voltage | Minimum Resistance | Maximum Resistance | Resistance Tolerance | Dimensions (L, mm) | Dimensions (D1, mm) | Dimensions (D2, mm) | Dimensions (B, mm) | Net Weight Per 1000 pcs | Operating Temperature Range (C) | Temperature Coefficient (PPM/C) | Dielectric Withstanding Voltage (VAC or DC) | Insulation Resistance (M) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| MM16 | 1/6W | 200V | 400V | 0, 0.51 | 10M | 1% (E-24/E-96), 2%, 5% (E-24) | 3.52 0.15 | 1.35 0.1 | D1+0.02/-0.15 | 0.6 Min. | 17 grams | -55 ~ +125 | 25, 50, 100 (for 1%, 2%), 100 (for 5%) | 200 | >104 |
| MM204 | 1/4W | 200V | 400V | 0, 0.51 | 10M | 1% (E-24/E-96), 2%, 5% (E-24) | 3.52 0.15 | 1.35 0.1 | D1+0.02/-0.15 | 0.6 Min. | 17 grams | -55 ~ +125 | 25, 50, 100 (for 1%, 2%), 100 (for 5%) | 200 | >104 |
| MM207 | 1/3W | 300V | 500V | 0, 0.51 | 10M | 1% (E-24/E-96), 2%, 5% (E-24) | 5.90 0.20 | 2.20 0.1 | D1+0.02/-0.2 | 1.0 Min. | 66 grams | -55 ~ +125 | 25, 50, 100 (for 1%, 2%), 100 (for 5%) | 500 | >104 |
| MM52 | 1/2W | 300V | 500V | 0, 0.51 | 10M | 1% (E-24/E-96), 2%, 5% (E-24) | 5.90 0.20 | 2.20 0.1 | D1+0.02/-0.2 | 1.0 Min. | 66 grams | -55 ~ +125 | 25, 50, 100 (for 1%, 2%), 100 (for 5%) | 500 | >104 |
Performance Specifications
| Characteristic | Test Conditions | Limits |
|---|---|---|
| Short Time Overload | IEC 60115-1 4.13, 5 seconds, 2.5x rated voltage (not over max. overload voltage) | 1.0% |
| Load Life | IEC 60115-1 4.25.1, Rated load (not over max. working voltage), 1,000 hours at (702)C | 1.0% |
| Load Life In Humidity | IEC 60115-1 4.24, 56 days rated load at (402)C and (933)% RH | 1.5% |
| Load Life In Humidity (accelerated mode) | IEC 60115-1 4.37, 1,000 hours at 85C and 85% RH with 0.1x rated voltage (not over 100V) | 1.5% |
| Periodic Electric Overload | IEC 60115-1 4.39, 3.9x rated voltage (not over max. overload voltage) for 1,000 cycles | 1.0% |
| Resistance To Soldering Heat | IEC 60115-1 4.18.2, Dip in solder bath (2605)C for 101 seconds | 0.5% |
| Thermal Endurance | IEC 60115-1 4.25.3, 1,000 hours without load at 125C | 1.0% |
| Thermal Shock | IEC 60115-1 4.19, 5 cycles (-55C 30min, +125C 30min) | 0.5% |
| Thermal Shock | IEC 60115-1 4.19, 1,000 cycles (-55C 30min, +125C 30min) | 1.5% |
| Single pulse high voltage overload | IEC 60115-1 4.27, 5 pulses of 1.2/50s at 10x rated voltage (interval 12 sec.) | 0.5% |
| Single pulse high voltage overload | IEC 60115-1 4.27, 10 pulses of 10/700s at 10x rated voltage (interval 60 sec.) | 0.5% |
| Electrostatic discharge (Human body model) | IEC 60115-1 4.38, 2KV for MM16 & MM204 or 4KV for MM207 & MM52 | 2.0% |
| Climatic test | IEC 60115-1 4.23.2 to 4.23.7 | 1.0% |
| Solderability | IEC 60115-1 4.17.2, Solder area covered after (2353)C/(20.2) seconds with flux applied | > 95% |
| Vibration | IEC 60115-1 4.22, 10 to 2,000 Hz, amplitude 1.52mm | 1.0% |
| Bending test | IEC 60115-1 4.33, Pressing depth 2mm, 3 times | 0.25% |
| Flammability | IEC 60115-1 4.35, Needle flame test 10s | No burning after 30s |
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina