640B

640B Datasheet

630B 631B 632B 630C 631C 632C 630D 631D 632D 640A 640B 640C 641A 641B 641C

Part	Datasheet
640B	640B (pdf)

Related Parts	Information
641C	641C
640C	640C
641B	641B
641A	641A
640A	640A

PDF Datasheet Preview
Chassis & P.C. Board Mount Primary Secondary Primary Secondary 612H PULSE TRANSFORMERS • Economical, open style, chassis mount. • Mounting hole G - • Units are intended for pulse applications including thyristor / triac firing circuits. • Flexible leads - 4" minimum. Cat. No. 612G Ratio 1:1 Circuit Max. Pr imar y Volts Inductance D.C. Res. mH min. Ohms D.C. Winding Resistance Sec. 1 Sec. 2 Ohms Insulation RMS Volts Wt. Oz. Dimensions A BCD 4000 612G 612H 1:1:1 4000 PULSE TRANSFORMERS 630 Series - Dimensions & Schematic All Dimensions in mm Pins sq. Primary Sec. 2 Sec. 1 • These transformers are fully encapsulated in a high grade black molded case with a UL94V-O rating. • They are intended mainly for thyristor / triac triggering applications. • All units are voltage proof tested between windings at 2500V RMS for 1 minute, for a working voltage rating maximum of 440V RMS. • Transformers with three or more windings can be series connected to obtain alternative ratios. ie...a 1:1:1 type may be series connected by linking pins 4 & 5 in which case 3-6 are used as the primary winding to obtain a ratio of 2:1 etc. Cat. No. 630B 631B 632B 630C 631C 632C 630D 631D 632D 640A 640B 640C 641A 641B 641C Turns Ratio 1:1:1:1 2:1:1:1:1:1 2:1:1:1:1:1 2:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 Pr imar y Inductance ET Constant mH min. V uS Leakage Inductance uH max Capacity pf. max 1160 1520 2760

PDF Datasheet Preview

Chassis & P.C. Board Mount

Primary Secondary

Primary Secondary
612H

PULSE TRANSFORMERS
• Economical, open style, chassis mount.
• Mounting hole G -
• Units are intended for pulse applications including
thyristor / triac firing circuits.
• Flexible leads - 4" minimum.

Cat. No. 612G

Ratio 1:1

Circuit Max.

Pr imar y

Volts Inductance D.C. Res.
mH min. Ohms

D.C. Winding

Resistance

Sec. 1 Sec. 2

Ohms

Insulation RMS Volts

Wt. Oz.

Dimensions A BCD
4000
612G
612H 1:1:1
4000

PULSE TRANSFORMERS
630 Series - Dimensions & Schematic

All Dimensions in mm Pins sq.

Primary

Sec. 2 Sec. 1
• These transformers are fully encapsulated in a high grade black molded case with a UL94V-O rating.
• They are intended mainly for thyristor / triac triggering applications.
• All units are voltage proof tested between windings at 2500V RMS for 1 minute, for a working voltage rating maximum of 440V RMS.
• Transformers with three or more windings can be series connected to obtain alternative ratios. ie...a 1:1:1 type may be series connected by linking pins 4 & 5 in which case 3-6 are used as the primary winding to obtain a ratio of 2:1 etc.

Cat. No.
630B 631B 632B 630C 631C 632C 630D 631D 632D 640A 640B 640C 641A 641B 641C

Turns Ratio
1:1:1:1 2:1:1:1:1:1 2:1:1:1:1:1 2:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1 2:1:1:1

Pr imar y

Inductance ET Constant mH min. V uS

Leakage Inductance uH max

Capacity pf. max
1160
1520
2760

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640B

640B Datasheet

Datasheet ID: 640B 635927