B72530E0250K062 EPCOS Varistor (Varistors Chip) In Stock
EPCOS B72530E0250K062 is a surface mount chip varistor with 25 V RMS maximum continuous voltage, 31 V DC clamping threshold, and 65 V peak clamping voltage at 8/20 µs waveform. With 1.7 J energy absorption capacity and a flame-proof ceramic body in a 1206 SMD package (3.2 mm x 1.7 mm), it protects sensitive circuits from transient overvoltages. Ideal for ESD protection in consumer electronics, telecom, and industrial control boards.
- Manufacturer
- EPCOS
- Package
- Varistors Chip
- Pin Count
- 2
- Lifecycle
- ACTIVE
- Datasheet
- B72530E0250K062 Datasheet PDF
- Category
- Varistor
- Price
- From $0.2570(MOQ 250)
- Temp Range
- -55.0°C to 175.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 25 V RMS continuous operating voltage with 65 V peak clamping at 8/20 µs surge pulse for robust transient protection
- 1.7 J energy absorption capacity handling repetitive surge events without degradation in compact 1206 SMT package
- Flame-proof ceramic varistor body meeting safety standards for use in consumer, telecom, and industrial equipment
- REACH-compliant, RoHS-compatible with JEDEC e3 moisture classification for lead-free surface mount assembly
Applications
The EPCOS B72530E0250K062 chip varistor is deployed on signal and power lines in consumer electronics, smart home devices, and industrial control circuits to clamp electrostatic discharge and lightning-induced transients before they reach sensitive ICs. Its 25 V RMS rating makes it suitable for protecting USB, RS-485, CAN bus, and 24 V DC power rail inputs where surge protection is required in a compact SMT footprint. The 1.7 J energy rating and flame-proof ceramic construction allow reliable operation in repeated surge environments without device failure or fire risk.
Specifications
| Reach Compliance Code | Compliant |
| Factory Lead Time | 11Weeks |
| YTEOL | 7.47 |
| Additional Feature | FLAME PROOF |
| Circuit RMS Voltage-Max | 25V |
| Energy Absorbing Capacity-Max | 1.7J |
| JESD-609 Code | e3 |
| Mounting Feature | SURFACE MOUNT |
| Package Height | 1.7mm |
| Package Length | 3.2mm |
| Package Shape | RECTANGULAR PACKAGE |
| Package Style | SMT |
| Package Width | 2.5mm |
| Packing Method | TR, BLISTER, 7 INCH |
| Rated Power Dissipation (P) | 0.01W |
| Rated Temperature | 150°C |
| Reference Standard | AEC-Q200 |
| Resistor Type | VARISTOR |
| Surface Mount | YES |
| Technology | CERAMIC |
| Terminal Finish | TIN OVER NICKEL |
| Terminal Placement | DUAL ENDED |
| Terminal Shape | WRAPAROUND |
| Working Voltage | 31V |
| Package | Varistors Chip |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| ECCN | EAR99 |
| HTS Code | 8533.40.40.00 |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What peak clamping voltage does the B72530E0250K062 achieve during an 8/20 µs surge pulse?
The B72530E0250K062 clamps transient surges to a maximum of 65 V during an 8/20 µs waveform, protecting downstream circuits operating at up to 25 V RMS continuous. This 65 V clamping level is low enough to prevent damage to ICs rated for 40 V to 50 V maximum input, making it effective for protecting microcontroller power rails and communication bus lines from lightning and ESD events.
How much energy can the B72530E0250K062 absorb per pulse and does it degrade after repeated surges?
This chip varistor has a maximum energy absorption capacity of 1.7 J per 8/20 µs pulse. EPCOS designs these ceramic varistors to handle multiple surge events within their rated energy envelope without significant clamping voltage drift, though exceeding the 1.7 J limit per pulse or the 25 V RMS continuous voltage rating will cause progressive degradation. For applications with frequent high-energy surges, additional series protection or a higher energy-rated device should be considered.
Can the B72530E0250K062 protect a 24 V DC industrial bus interface against ESD and surge events?
Yes, with a 25 V RMS (31 V DC) maximum continuous voltage rating, the B72530E0250K062 is well matched to 24 V DC industrial bus lines such as RS-485, CAN, or 24 V power rails. Its 65 V peak clamping voltage at 8/20 µs keeps transient spikes well below the typical 40-60 V absolute maximum of downstream interface ICs, while the 1206 SMT footprint (3.2 mm x 1.7 mm) fits easily alongside bus termination components on the PCB.
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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 |
|---|---|---|
| 250+ | $0.3508 | $87.70 |
| 500+ | $0.3352 | $167.60 |
| 1000+ | $0.3214 | $321.40 |
| 2000+ | $0.2715 | $543.00 |
| 4000+ | $0.2675 | $1070.00 |
| 8000+ | $0.2570 | $2056.00 |
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