Counterfeit and defect prevention
Visual and packaging inspection
Electrical performance verification
Service Email:
[email protected]
>
MMB02070C6808FB200
Vishay Beyschlag/Draloric/BC Components
RES SMD 6.8 OHM 1% 1W 0207
1466 Pcs New Original In Stock
6.8 Ohms ±1% 1W Chip Resistor MELF, 0207 Anti-Sulfur, Automotive AEC-Q200 Thin Film
Request Quote
(Ships tomorrow)
*Quantity
Minimum 1
Minimum 1
5.0 / 5.0
- (329 Ratings)
MMB02070C6808FB200
Product Overview
1031632
DiGi Electronics Part Number
MMB02070C6808FB200-DGManufacturer
Vishay Beyschlag/Draloric/BC Components
MMB02070C6808FB200
Description
RES SMD 6.8 OHM 1% 1W 0207Inventory
1466 Pcs New Original In Stock
6.8 Ohms ±1% 1W Chip Resistor MELF, 0207 Anti-Sulfur, Automotive AEC-Q200 Thin Film
CAD Models - PCB Symbols & Footprints
Quantity
Minimum 1
Minimum 1
Purchase and inquiry
Warranty & Returns
How to Order
Shipping & Delivery
Quality Assurance
365 - Day Quality Guarantee - Every part fully backed.
90 - Day Refund or Exchange - Defective parts? No hassle.
Limited Stock, Order Now - Get reliable parts without worry.
Global Shipping & Secure Packaging
Worldwide Delivery in 3-5 Business Days
100% ESD Anti-Static Packaging
Real-Time Tracking for Every Order
Secure & Flexible Payment
Credit Card, VISA, MasterCard, PayPal, Western Union, Telegraphic Transfer(T/T) and more
All payments encrypted for security
MMB02070C6808FB200 Technical Specifications
Category
Chip Resistor - Surface Mount
Packaging
Tape & Reel (TR)
Series
MMB - Professional
Product Status
Active
Resistance
6.8 Ohms
Tolerance
±1%
Power (Watts)
1W
Composition
Thin Film
Features
Anti-Sulfur, Automotive AEC-Q200
Temperature Coefficient
±50ppm/°C
Operating Temperature
-55°C ~ 155°C
Package / Case
MELF, 0207
Supplier Device Package
0207
Ratings
AEC-Q200
Size / Dimension
0.087" Dia x 0.228" L (2.20mm x 5.80mm)
Height - Seated (Max)
-
Number of Terminations
2
Failure Rate
-
Datasheet & Documents
HTML Datasheet
MMB02070C6808FB200-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
Moisture Sensitivity Level (MSL)
1 (Unlimited)
REACH Status
REACH Unaffected
ECCN
EAR99
HTSUS
8533.21.0040
Additional Information
Other Names
MMB-6.80BTR
MMB-6.80BDKR
MMB-6.80BCT
Standard Package
2,000
Alternative Parts
PART NUMBER
MANUFACTURER
QUANTITY AVAILABLE
DiGi PART NUMBER
UNIT PRICE
SUBSTITUTE TYPE
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
The after-sales service went above and beyond, making sure I was fully satisfied.
de desembre 02, 2025
My order arrived two days earlier than the estimated date, and the packaging was so sturdy that everything was pristine.
de desembre 02, 2025
Despite occasional rough handling during shipment, all products arrived working perfectly, demonstrating incredible durability.
de desembre 02, 2025
Their packaging design makes it easy to open without damaging the contents, which is a thoughtful touch.
Publish Evalution
Evalution Message
Please enter your review message.
Please post honest comments and do not post ilegal comments.
Frequently Asked Questions (FAQ)
What are the design-in risks of using the MMB02070C6808FB200 in high-vibration automotive applications, and how can mechanical failure be minimized?
When integrating the MMB02070C6808FB200 into automotive PCBs exposed to high vibration, the cylindrical MELF package can be prone to tombstoning or cracking under thermal cycling and mechanical stress. Despite its AEC-Q200 qualification and anti-sulfur construction, ensure robust pad layout with increased solder fillet area and consider using adhesive underfill to enhance mechanical stability. Avoid asymmetric thermal profiles during reflow which can induce stress imbalance. The 0207 size offers better power handling than smaller MELFs, but mechanical anchoring remains critical for long-term reliability in engine control units or sensors subject to sustained vibration.
How does the MMB02070C6808FB200 compare to the IRC ROHSMS-1-6R8 in sulfur-rich environments, and is substitution feasible?
The MMB02070C6808FB200 is specifically designed with anti-sulfur plating for high-reliability automotive and industrial environments, whereas the IRC ROHSMS-1-6R8 lacks explicit sulfur resistance certification. In applications like exhaust sensors or under-hood electronics where silver electrode corrosion from hydrogen sulfide is a risk, substituting the IRC part could lead to increased failure rates. While both are 6.8 Ohm, 1W MELF resistors, the Vishay MMB series' AEC-Q200 qualification and thin-film construction provide superior long-term stability. Substitution is not recommended without environmental testing or conformal coating.
Can the MMB02070C6808FB200 reliably handle pulse loads in power supply snubber circuits, and what derating is advised?
Yes, the MMB02070C6808FB200 can handle short-duration pulse loads due to its thin-film construction and 1W continuous power rating, but pulse applications require careful derating. For pulse widths under 10ms and low duty cycles (<10%), the resistor may tolerate peak power up to 3–5W depending on pulse train profile. However, always analyze pulse energy (I²Rt) and validate with transient thermal simulations. In SMPS snubber circuits, combine with voltage clamping devices and ensure PCB copper acts as a heatsink. Avoid placement near hot components to prevent cumulative thermal overstress.
What are the soldering profile considerations for MMB02070C6808FB200 to avoid microcracks during reflow, especially with lead-free processes?
The MMB02070C6808FB200 requires a controlled reflow profile due to its glass-passivated thin-film MELF construction which is sensitive to rapid thermal gradients. For lead-free assembly (peak temp ~260°C), use a ramp rate under 2°C/sec and ensure symmetric heating to prevent mechanical stress cracks caused by uneven expansion. The MSL1 rating allows indefinite floor life, but moisture outgassing is less of a concern than thermal shock. Profile validation with thermal coupons is recommended, and wave soldering should be avoided to prevent overheating the body. Prefer nitrogen-assisted reflow to improve wetting and reduce defects.
Is the MMB02070C6808FB200 a suitable drop-in replacement for older MIL-PRF-55342 resistors in legacy aerospace designs?
While the MMB02070C6808FB200 shares similar electrical specs (6.8 Ohm, ±1%, 1W) with some MIL-PRF-55342 variants, it is not a qualified drop-in replacement for aerospace applications requiring strict MIL-STD compliance. The Vishay part is AEC-Q200 qualified for automotive use and lacks the mandatory traceability, lot testing, and extended screening (e.g., hermeticity, long-term stability) of MIL-specified resistors. Substitution introduces supply chain and certification risks. If redesigning, evaluate alternatives like Vishay's MIL-M-39029 series instead. For commercial avionics, the MMB02070C6808FB200 may be acceptable with rigorous qualification testing and design margin.
Quality Assurance (QC)
DiGi ensures the quality and authenticity of every electronic component through professional inspections and batch sampling, guaranteeing reliable sourcing, stable performance, and compliance with technical specifications, helping customers reduce supply chain risks and confidently use components in production.
MMB02070C6808FB200 CAD Models
Vishay Beyschlag/Draloric/BC Components MMB02070C6808FB200 PCB symbols & footprints
productDetail
