EPCOS 10 mH -30 → +50% Ferrite Power Line Choke, Max SRF:10kHz, 1.1A Idc, 400mΩ Rdc 250 V ac, B82731M
- RS Stock No.:
- 8711515
- Mfr. Prt No.:
- B82731M2112A030
- Brand:
- EPCOS
Legislation and Compliance
RoHS Certificate of Compliance
EU Directives 2011/65/EU and 2015/863 restrict the use of the 10 substances below in the manufacture of specified types of electrical equipment.
Whilst this restriction does not legally apply to components, it is recognised that component “compliance” is relevant to many customers.
RS definition of RoHS Compliance:
- The product does not contain any of the restricted substances in concentrations and applications banned by the Directive,
- and for components, the product is capable of being worked on at the higher temperatures required by lead–free soldering
The restricted substances and maximum allowed concentrations in the homogenous material are, by weight:
| Substance | Concentration |
| Lead | 0.1% |
| Mercury | 0.1% |
| PBB (Polybrominated Biphenyls) | 0.1% |
| PBDE ( Polybrominated Diphenyl Ethers) | 0.1% |
| Hexavalent Chromium | 0.1% |
| Cadmium | 0.01% |
| DEHP (Bis (2-Ethylhexl) phthalate) | 0.1% |
| BBP (Benzyl butyl phthalate) | 0.1% |
| DBP (Dibutyl phthalate) | 0.1% |
| DIBP (Diisobutyl phthalate) | 0.1% |
The supplier of the item listed below has informed RS Components that the product is "RoHS Compliant".
RS Components has taken all reasonable steps to confirm this statement. Information relates only to products sold on or after the date of this certificate.
| RS stock number | 8711515 |
| Product description | EPCOS 10 mH -30 → +50% Ferrite Power Line Choke, Max SRF:10kHz, 1.1A Idc, 400mΩ Rdc 250 V ac, B82731M |
| Manufacturer / Brand | EPCOS |
| Manufacturer part number | B82731M2112A030 |
RS Components Ltd, Birchington Road, Corby, Northants, NN17 9RS, UK
Statement of Conformity
This statement confirms that the product detailed below complies with the specifications currently published in the RS media and has been subject to the strict quality conditions imposed by RS Components’ internal management systems. Furthermore and where applicable, it confirms that all relevant semiconductor devices have been handled and packed under conditions that meet the administrative and technical requirements of ANSI/ESD S20.20 and EN61340-5-1 electrostatics control standards.
| RS stock number | 8711515 |
| Product description | EPCOS 10 mH -30 → +50% Ferrite Power Line Choke, Max SRF:10kHz, 1.1A Idc, 400mΩ Rdc 250 V ac, B82731M |
| Manufacturer / Brand | EPCOS |
| Manufacturer part number | B82731M2112A030 |
The foregoing information relates to product sold on, or after, the date shown below.
RS COMPONENTS
| Date | Nov 14, 2024 |
RS Components Pte Ltd Robinson Road, P.O. Box 1582, Singapore 903132
Country of Origin: HU
Product Details
Epcos B82731M Series Common Mode Chokes
B82731M Series Current-compensated D core double chokes, the Vertical version
Closed rectangular ferrite core with 2-section winding
Closed polycarbonate coil former (UL 94 V-0) without encapsulation with clearance and creepage distances ≥3 mm
High resonance frequency due to 2-section winding
Approx. 1% stray inductance for symmetrical interference suppression
Low leakage due to closed core shape
High pulse strength
Low whirring noise
Suitable for wave soldering
Applications include, Suppression of common-mode interferences; Compact switch-mode power applications and Electronic ballasts in lamps
Specifications
| Attribute | Value |
| Brand | EPCOS |
| Inductance | 10 mH |
| Maximum DC Current | 1.1 A |
| Mounting Type | Radial |
| Maximum DC Resistance | 400 mΩ |
| Tolerance | -30 → +50 % |
| Length | 21 mm |
| Depth | 15 mm |
| Height | 20 mm |
| Dimensions | 21 x 15 x 20 mm |
| Core Material | Ferrite |
| Maximum Self Resonant Frequency | 10 kHz |
| Lead Pitch | 12.5 mm |
| Series | B82731M |
| Maximum Operating Temperature | +125 °C |
| Terminal Type | PC Pin |
| Lead Diameter | 0.6 mm |
| Minimum Operating Temperature | -40 °C |
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