
For Reference Only
Part Number | B72220S0421K551 |
OEMstron Part # | B72220S0421K551 |
Manufacturer | TDK-EPCOS |
Category | Power › Circuit Protection › TVS - Varistors, MOVs |
Description | VARISTOR 680V 8KA DISC 20MM |
Lifecycle | Active |
RoHS | No RoHS Information |
EDA/CAD Models | B72220S0421K551 PCB Footprint and Symbol |
Warehouses | USA, Europe, China, Hong Kong SAR |
Estimated Delivery | Mar 18 - Mar 23 (Choose Expedited Shipping) |
Warranty | Up to 1 year [Limited-Warranty]* |
Payment | ![]() |
Shipping | ![]() |
B72220S0421K551 Specifications
Part Number | B72220S0421K551 | |
Brand | TDK-EPCOS | |
Lifecycle | Active | |
RoHS | No RoHS Information | |
Product Line | Power | |
Category | Circuit Protection | |
Subcategory | TVS - Varistors, MOVs | |
Manufacturer | EPCOS (TDK) | |
Series | Standard | |
Maximum AC Volts | 420V | |
Maximum DC Volts | 560V | |
Varistor Voltage (Min) | 612V | |
Varistor Voltage (Typ) | 680V | |
Varistor Voltage (Max) | 748V | |
Current - Surge | 8kA | |
Energy | 175J | |
Number of Circuits | 1 | |
Capacitance @ Frequency | 550pF @ 1kHz | |
Operating Temperature | -40°C ~ 105°C (TA) | |
Features | - | |
Mounting Type | Through Hole | |
Package / Case | Disc 20mm |
B72220S0421K551 Documents

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Global Supply Chains - Reliable and Authorized Distributor Resources
Part Number | Description | Stock |
B72220S421K551 D# B72220S0421K551 TDK Corporation of America |
Var 420VAC 560VDC 8000A 680V Thru-Hole T/R (Alt: B72220S0421K551) |
Europe - 0 |
Part Number | Description | Stock |
B72220S421K551 TDK Epcos |
3700 |
Part Number | Description | Stock |
B72220S0421K551 TDK Epcos |
VARISTOR, 420VAC, 1.12KV, DIS, REEL |
1500 |
Part Number | Description | Stock |
B72220S0421K551 D# 495-6541-1-ND TDK Epcos |
VARISTOR 680V 8KA DISC 20MM |
254 In Stock |
Part Number | Description | Stock |
B72220S0421K551 D# 2217151 TDK Epcos |
VARISTOR, 420VAC, 1.12KV, DIS, REEL RoHS: Compliant
Min Qty: 1500
Container: Reel
|
0 |
Part Number | Description | Stock |
B72220S0421K551 D# 871-B72220S0421K551 TDK Epcos |
Varistors 420VAC 10% 20mm StandarD RoHS: Compliant
|
10 |
Part Number | Description | Stock |
B72220S421K551 D# XSFT00000048655 TDK Epcos |
1500 |
Part Number | Description | Stock |
B72220S0421K551 D# 07P8034 TDK Epcos |
20mm, 420Vac, 10%, StandarD / TAPE & REEL RoHS: Not Compliant
Min Qty: 1500
Container: Bulk
|
0 |
Part Number | Description | Stock |
B72220S0421K551 D# 2217151 TDK Epcos |
VARISTOR, 420VAC, 1.12KV, DIS, REEL RoHS: Compliant
Min Qty: 750
Container: Reel
|
0 |
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Quote Limit | No Limit |
Lead-Time | To be Confirmed |
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