Transient Suppressor Varistor Transient Suppressor Varistor Velleman Varistor for Velleman K8090 and VM206 boards. Fit where inductive loads are connected to the relay output. Prevents relay contacts from sticking and damage due to arcing. Electronics > Circuit Components > Semiconductors > Diodes VDR300 VDR300 5410329252564 0.60 Quasar Electronics Limited

Transient Suppressor Varistor

Velleman VDR300 - Transient Suppressor Varistor

Varistor transient suppessor for Velleman K8090, VM206 and other relay boards used to switch inductive loads. They help to prolong the life of the relays contacts by reducing damage and sticking due to arcing.

Simply fit across relay contacts C and NO (and/or C and NC if you use those).

Specifications
  • varistor voltage: 470V (351 ~ 429)
  • max. clamping voltage: 775 (Vxa) (8/20uS) (1mA test)
  • max. clamping peak current: 4500A (1st time), 2500A (2nd time)
  • max. energy (J): 125J (10/100uS), 80J (2ms)
  • operating voltage:
    • Vac: 300V
    • Vdc: 385V
  • type: 14D471
  • dimensions:
    • D: 16.5mm
    • T: 5.5 .. 9.8mm
    • d: 0.8mm
  • pitch:
    • e: 7.5mm
  • response time: < 25ns
  • electric strength: 2.5kV
  • insulation resistance: > 1G ohms
  • tolerance: 10% (K)
Buy Velleman VDR300
Item Number:
Velleman VDR300
Total Price:
£0.50 Exc VAT, £0.60 Inc VAT
Stock Info:
In Stock (Our UK Warehouse)
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