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TMOV20RP510M Thermally protected varistor with 820V varistor voltage and 10kA peak surge current. Disc 20mm 3-lead through-hole package.
Mfr Part #:

TMOV20RP510M

Available from 2 distributors
Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Thermally protected varistor with 820V varistor voltage and 10kA peak surge current. Disc 20mm 3-lead through-hole package.
✓ Total Stock: 1,188 pcs
$ Price Range: $1.47 - $2.43

TMOV20RP510M Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
1,100 pcs
On Request
1100 pcs On Request 1 On Request On Request 1250+ On Request On Request
Bristol Electronics ✓
Non-Authorised Inventory information
88 pcs
On Request
88 pcs On Request 1 On Request On Request On Request On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

TMOV20RP510M Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Capacitance @ Frequency
Current
Energy
Features
Lead Style
Maximum AC Volts
Maximum DC Volts
Mounting Type
Number of Circuits
Operating Temperature
SVHC Present
Tape & Reel
Termination Style
Varistor Voltage (Max)
Varistor Voltage (Min)
Varistor Voltage (Typ)
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TMOV20RP510M Description

Short technical summary and product information.

The TMOV20RP510M is a thermally protected metal oxide varistor (MOV) from Littelfuse, part of the TMOV series. It features a varistor voltage of 820V typical at 1mA, with a maximum AC operating voltage of 510V and maximum DC voltage of 670V. The device can handle peak surge currents up to 10kA (8/20µs) and absorb 325J of energy (2ms).

 

Designed for overvoltage protection in AC line applications, the integrated thermal element helps prevent catastrophic failure due to abnormal overvoltage conditions, facilitating compliance with UL1449 for SPD products. The typical capacitance is 350pF at 1MHz.

 

The varistor is housed in a Disc 20mm 3-lead package with through-hole radial mounting, operating over -55°C to +85°C. The three-lead configuration supports indication functionality in certain designs.

TMOV20RP510M Quick Information

Product Type: Thermally Protected Metal Oxide Varistor (MOV)
Series: TMOV
Canonical Name: TMOV20RP510M Thermally Protected Metal Oxide Varistor
Subcategory: TVS - Varistors, MOVs

TMOV20RP510M Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

TMOV20RP510M Estimated Pricing

Qty Low High
1+ $2.43 $2.43
10+ $1.81 $1.81
25+ $1.66 $1.66
100+ $1.47 $1.47

Estimated market price range - modelled values for guidance only, not live distributor offers.

TMOV20RP510M Features

  • 820V varistor voltage at 1mA.
  • 10kA peak surge current rating.
  • Thermally protected design for overheat protection.
  • Disc 20mm through-hole 3-lead package.
  • Operating temperature range -55°C to 85°C.

TMOV20RP510M Applications

  • Suitable for AC line power supplies.
  • Used in surge protective devices (SPDs).
  • Ideal for AC panel protection modules.
  • Employed in AC power meters and UPS systems.

TMOV20RP510M FAQs

7 frequently asked questions generated from this part’s specifications.
What is the varistor voltage of the TMOV20RP510M?

The varistor voltage at 1mA is 820V typical, with a minimum of 738V and maximum of 902V.

What is the maximum operating voltage for AC and DC?

Maximum AC voltage is 510V and maximum DC voltage is 670V.

What is the peak surge current rating?

The peak surge current is 10kA (8/20µs waveform).

What is the energy absorption capability?

The device can absorb 325J of energy (2ms pulse).

What is the package and mounting type?

The varistor is in a Disc 20mm 3-lead package with through-hole radial mounting.

What is the operating temperature range?

Operating temperature range is -55°C to 85°C.

Does the TMOV20RP510M have thermal protection?

Yes, it features a thermally protected design with an integrated thermal element.

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