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Transformateurs / transformers - Current Sense Transformers - FAMILLE 69V21 69H21





These current sense inductors - without built-in primary - are made with high-permeability core (ferrite),
and feature across the secondary (under given conditions) a voltage proportional to the primary
current. They are used as control and protection devices to sense current without any disturbance to
the circuits in SMPS. lighting and UPS equipment.

TYPES

Types Code Code Secondary total turns induct. mH (Rated) DC resistance Ω max. Recomm termination resist. Ω Schem
69V21 69H21 69V21 005069H21 00 505050.750A
69V21 010069H21 01 00100201.4100A
69V21 020069H21 02 00200804.5200A
69V21 030069H21 03 0030018011300A
69V21 C05025+2550.750B
69V21 C10050+50201.4100B
69V21 C200100+100804.5200B

Technical Data

Rated inductance: at 20°C; 10 kHz, 0.1 mA
Inductance tolerance: +50 -30%
Operating frequency: 20 kHz plus
Current primary peak (1 turn): 20A
Operating temperature: -30 to +125°C
Dielectric strenght Pri/Sec: 2500 Vac
Scale factor with terminating resistance: Vout 1 V per 1 A
Approx weight: 4 gThe transformers are designed and tested in accordance with EN 138100; EN 60938-1
The cases are of flame-retardant plastic material in accordance with UL 94V-0