B72214S0250K101 EPCOS Varistor (Other) In Stock
EPCOS B72214S0250K101 is a radial-leaded disk varistor rated at 25V RMS maximum with 7J energy absorption capacity, designed for transient overvoltage suppression in low-voltage circuits. Its through-hole disk package (15.5mm × 18.5mm) suits PCB protection applications. Available worldwide with fast shipping.
- Manufacturer
- EPCOS
- Package
- Other
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- B72214S0250K101 Datasheet PDF
- Category
- Varistor
- Price
- From $0.1220(MOQ 1)
- Temp Range
- -40.0°C to 105.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of B72214S0250K101?
- 25V RMS maximum circuit voltage rating with 7J energy absorption capacity for robust transient suppression
- Radial-leaded through-hole disk package (15.5 mm × 18.5 mm) for easy PCB integration and strong mechanical anchoring
- Metal oxide varistor technology provides fast clamping response to protect sensitive downstream components from voltage spikes
- REACH compliant and RoHS-compatible (JESD-609 e3) for use in environmentally regulated product designs
What is B72214S0250K101 used for?
The EPCOS B72214S0250K101 varistor is ideal for transient voltage suppression across power supply inputs, relay coil flyback damping, and AC/DC converter protection circuits operating at 25V RMS or below. Its 7J energy absorption makes it suitable for industrial control boards, household appliance power stages, and consumer electronics requiring reliable surge protection. The radial leaded through-hole format is compatible with automated insertion and wave soldering processes.
What are the specifications of B72214S0250K101?
| Reach Compliance Code | Compliant |
| Factory Lead Time | 8Weeks |
| YTEOL | 7.25 |
| Circuit RMS Voltage-Max | 25V |
| Energy Absorbing Capacity-Max | 7J |
| JESD-609 Code | e3 |
| Mounting Feature | THROUGH HOLE MOUNT |
| Package Height | 18.5mm |
| Package Length | 15.5mm |
| Package Shape | DISK PACKAGE |
| Package Style | Radial |
| Package Width | 4.2mm |
| Packing Method | BULK |
| Rated Power Dissipation (P) | 0.1W |
| Reference Standard | CQC; IEC; UL; VDE |
| Resistor Type | VARISTOR |
| Surface Mount | NO |
| Technology | METAL OXIDE |
| Terminal Finish | Tin (Sn) |
| Terminal Placement | RADIAL |
| Terminal Shape | WIRE |
| Working Voltage | 31V |
| Package | Other |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.40.40.00 |
Where can I find the B72214S0250K101 datasheet?
B72214S0250K101 Datasheet DownloadOfficial datasheet from EPCOS
What are equivalent replacements for B72214S0250K101?
Compatible alternatives and drop-in replacements for B72214S0250K101:
suggested
suggested
suggested
suggested
Frequently Asked Questions
How much transient energy can the B72214S0250K101 safely absorb in a single surge event?
The EPCOS B72214S0250K101 can absorb up to 7J of energy in a single transient event, which is sufficient to clamp common line surges encountered in 25V RMS circuits such as industrial sensor power rails and relay control lines. This rating ensures the varistor survives typical EFT and surge pulses defined in IEC 61000-4-4 and IEC 61000-4-5 standards.
For a 24V DC power rail, is the B72214S0250K101 a suitable transient suppressor?
Yes, the B72214S0250K101 is a good fit for 24V DC bus protection because its 25V RMS maximum circuit voltage corresponds to approximately 35V peak — providing a clamping margin above the 24V nominal rail while still suppressing transient spikes before they damage downstream ICs or sensors. The 7J energy rating handles typical industrial transient levels effectively.
What PCB mounting method does the B72214S0250K101 use and what are the package dimensions?
The B72214S0250K101 uses a radial-leaded through-hole mount in a disk package measuring 15.5 mm in length and 18.5 mm in height. This form factor is compatible with standard automated through-hole insertion equipment and wave soldering, making it practical for moderate- to high-volume PCB assembly in industrial and appliance applications.
How does metal oxide varistor clamping speed benefit protection circuits using the B72214S0250K101?
Metal oxide varistors like the B72214S0250K101 respond to overvoltage transients in nanoseconds, far faster than fuses or circuit breakers, ensuring that voltage spikes are clamped before downstream components experience damaging overvoltage conditions. This sub-microsecond response time is critical for protecting microcontrollers, op-amps, and power MOSFETs on 25V or lower supply rails.
Related Guides
CSD87313DMS Synchronous Buck Power Stage Design Guide
Design a compact CSD87313DMS synchronous buck stage with practical guidance for loss, gate drive, PCB layout, EMI, thermal validation, and sourcing.
Aug 6, 2026
STEF05SGR eFuse Selection Guide for 5 V Overcurrent Protection
Choose STEF05SGR for 5 V overcurrent protection by checking current-limit margin, inrush, thermal loss, fault response, and sourcing.
Aug 6, 2026
C0402C103K3RACTU Selection Guide: Choosing a 10 nF 0402 MLCC
Select C0402C103K3RACTU by voltage margin, X7R behavior, tolerance, 0402 assembly risk, and qualified alternatives.
Aug 4, 2026
STM32H753VIT6 MCU Selection Guide: Memory, Package, Connectivity, and Security
Choose STM32H753VIT6 by evaluating memory architecture, LQFP-100 pin fit, connectivity, security, power, and sourcing tradeoffs.
Aug 4, 2026
Why Buy from FindMyChip
About EPCOS
EPCOS is a leading electronic component manufacturer. FindMyChip sources EPCOS ICs directly from authorized China distributors, offering competitive pricing and reliable stock.
| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $0.7500 | $0.75 |
| 25+ | $0.2250 | $5.63 |
| 100+ | $0.2040 | $20.40 |
| 250+ | $0.1748 | $43.70 |
| 500+ | $0.1708 | $85.40 |
| 1000+ | $0.1220 | $122.00 |
In Stock · 24h Response · Worldwide Shipping
Response within 24 hours · Worldwide shipping
“The anti-counterfeit verification gave us confidence we'd never had with other China suppliers.”
You May Also Like
ERZ-V05D471
Panasonic
Varistor
ERZ-VF2M101
Panasonic
Varistor
ERZ-VF2M330
Panasonic
Varistor
ERZ-V10D431
Panasonic
Varistor
VC2220K501R095
Kemet
Varistor
VE1210K251R035
Kemet
Varistor
MOV-07D391K
Bourns
Varistor
MOV-07D431K
Bourns
Varistor
MOV-07D271K
Bourns
Varistor
EZJ-Z0V80010
Panasonic
Varistor
AVR-M1005C080MTABB
TDK
Varistor
V20H275P
LITTELFUSE
Varistor
V20H420P
LITTELFUSE
Varistor
V275LA40APX1347
LITTELFUSE
Varistor
820541311
Würth Elektronik
Varistor
82551200
Würth Elektronik
Varistor
82551140
Würth Elektronik
Varistor
82550250
Würth Elektronik
Varistor
82550200
Würth Elektronik
Varistor
82541300
Würth Elektronik
Varistor
82541250
Würth Elektronik
Varistor
82541140
Würth Elektronik
Varistor
82541110
Würth Elektronik
Varistor
82537110
Würth Elektronik
Varistor