Littelfuse Kxxx1G User Manual

Teccor® brand Thyristors

Multipulse™ SIDACs

Kxxx1G Series

Schematic Symbol

Applications

RoHS

Description

The Multipulse™ SIDAC is a voltage switch used in Metal­Halide lamp ignition circuits as well as High Pressure
Sodium lamp ignition circuits for outdoor street and area
lighting. This robust solid state switch is designed to handle
lamp igniter applications requiring operation at ambient
temperatures up to 90°C where igniter circuit components
can raise SIDAC junction temperature up to 125°C, especially
when the lamp element is removed or ruptured. Its excellent
commutation time (t
suited for producing multiple pulses in each half cycle of
50/60 Hz line voltage. The Multipulse

) makes this robust product best

COMM

™

SIDAC is offered in

DO-15 axial leaded package.

Kxxx1G SIDAC has a repetitive off-state blocking voltage
(V

) of 180V to 270V minimum depending actual device

DRM

type. Blocking capability is ensured by glass passivated
junctions for best reliability. Package is epoxy encapsulation
with tin-plated copper alloy leads.

Features

• AC circuit oriented

RoHS

• Compliant

• Triggering Voltage of 200

to 380V

Typical application circuit presented in Figure 10 of this data
sheet (Typical Metal Halide Ignitor Circuit).

Electrical Specifications

Symbol Parameters Test Conditions Min Max Unit

K2201G

V

BO

Breakover/Trigger Voltage

K2401G
K2501G
K3601G

K2201G

V

DRM

Repetitive Peak Off-State Voltage

K2401G
K2501G
K3601G

I

T(RMS)

I

H

R

S

t

COMM

I

BO

I

TSM

On-State RMS Current, TJ < 125ºC

Dynamic Holding Current, R=100 Ω

Switching Resistance, RS=

(IS – IBO)

(VBO – VS)
________

Commutation Time TJ < 125ºC

Breakover Current

Non-repetitive 1 cycle On-State peak value

50/60Hz

Sine Wave

50/60Hz

Sine Wave

50/60Hz

Sine Wave

See test circuit and

waveform in Figure 9

50/60Hz

Sine Wave

60Hz
50Hz

di/dt Critical Rate of Rise of On-State Current 150 A/μsec

dv/dt Critical Rate of Rise of Off-State Voltage 150 0 V/μsec

T

S

T

J

R

θJL

Storage Temperature Range -40 +125 °C

Max Operating Junction Temperature -40 +125 °C

Thermal Resistance Junction to lead 18 °C/W

200
220
240
340

230
250
280
380

V

180
190
200

V

270

1 A

120 TYP mA

100 Ω

100 μsec

10 uA

20.0

16.7

A

Kxxx1G Series

1

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

Revised: 12/26/13

Teccor® brand Thyristors

81

Multipulse™ SIDACs

Figure 1: Characteristics

+I

I

T

I

H

I

S

I

BO

I

R

=

S

DRM

(VBO - VS)

- IBO)

(I

S

V

V

T

V

DRM

-V

-I

Figure 3: Power Dissipation (Typical)

vs. On-State Current

4.0

3.5

3.0

2.5

(Watts)

D

2.0

1.5

Average P

1.0

0.5

0.0

RMS On-State Current (Amps)

Figure 2: Maximum Allowable Lead/Tab Temperature

vs. On-State Current

130

120

R

S

+V

V

BO

S

110

100

90

80

Te mperature (°C)

70

Maximum Allowable Lead

60

50

2.01.51.00

RMS On-State Current (Amps)

Figure 4: VBO Change

vs. Junction Temperature

10.0

BO

5.0

0.0

Change (%)

-5.0

Normalized Percentage of V

-10.0

1.51.00.50.0

-40 -25 -10520 35 50 65 80 95 110125

Junction Temperature (°C)

Figure 5: Pulse On-State

Current Rating

1000

di/dt limit

100

)-Amps

TRM

10

Current (I

Repetitive Peak On-State

1

Kxxx1G Series

1KHz

5KHz

110 100 1000

f = 5Hz

60 Hz

Pulse Base Width (tO)-µs

Figure 6: Maximum Allowable Ambient Temperature

vs. On-State Current

140

I

TM

t

O

1/f

TJ=125˚C

120

100

80

) - °C

A

(T

60

40

25

Maximum Allowable Ambient Te mperature

20

0.00.2 0.40.6 0.

RMS On-State Current [I

2

CURRENT WAVEFORM: Sinusoidal - 60Hz
LOAD: Resistive or Inductive
FREE AIR RATING

] - Amps

T(RMS)

Specifications are subject to change without notice.

©2013 Littelfuse, Inc

.0

Revised: 12/26/13