Dimensions Inches Millimeters
G 0.061 1.55
H 0.06 Min. 1.5 Min.
J 0.05 1.2
K 0.04 ± 0.02 1.0 ± 0.5
L 0.03 0.8
M 0.02 0.5
Dimensions Inches Millimeters
A 0.47 Min. 12 Min.
B 0.39 Max. 10 Max.
C 0.31 Max. 8 Max.
D 0.18 Max. 4.5 Max.
E 0.16 Max. 4.0 Max.
F 0.10 2.5
Description:
Powerex Inver ter Grade Silicon
Controlled Rectifier (SCR)
CR3AMZ is designed for pulse
applications. These are
lead-mounted employing glass
passivation.
Features:
□Glass Passivated
□Short Turn-off Time
Applications:
□Strobe Flasher
Ordering Information:
Example: Select the complete
seven digit par t number you desire
from the table - i.e. CR3AMZ-8 is a
400 Volt, Inver ter Grade SCR for
use in pulse applications.
VDRM/VRRM
Type Volts Code
CR3AMZ 400 -8
Powerex, Inc., 200 Hillis Street,Youngwood, Pennsylvania 15697-1800 (412) 925-7272
Inver ter Grade SCR for
Strobe Flasher
Applications
0.4 Amperes/400 Volts
CR3AMZ
Outline Drawing
S-1
B
C
D
G
F
L
J
H
F
A
E
K
M
➀➁➂
➀
CATHODE
➁ ANODE
➂ GATE ➂➀
➁
L
Powerex, Inc., 200 Hillis Street,Youngwood, Pennsylvania 15697-1800 (412) 925-7272
CR3AMZ
Inver ter Grade SCR
for Strobe Flasher Applications
0.4 Amperes/400 Volts
S-2
Absolute Maximum Ratings, Ta= 25 °C unless otherwise specified
Ratings Symbol CR3AMZ-8 Units
Repetitive Peak Off-state Voltage VDRM 400 Volts
Repetitive Peak Reverse Voltage VRRM 400 Volts
Non-repetitive Peak Off-state Voltage VDSM 480 Volts
Non-repetitive Peak Reverse Voltage VRSM 480 Volts
Average On-state Current, Single Phase Half Sinewave IT(avg) 0.4 Amperes
Peak On-state Current ITRM 200 Amperes
Peak Gate Power Dissipation PGM 0.5 Watts
Average Gate Power Dissipation PG(avg) 0.1 Watts
Peak Forward Gate Current IFGM 0.5 Amperes
Peak Forward Gate Voltage VFGM 6 Volts
Storage Temperature T(stg) -40 to 125 °C
Operating Junction Temperature Tj-40 to 125 °C
Weight (Typical) – 1.1 Grams
Electrical and Thermal Characteristics
Characteristics Symbol Test Conditions Min. Typ. Max. Units
Current – Conducting State
Peak On-state Voltage Drop VTM Ta= 25°C, ITM = 3A Peak – – 2.0 Volts
Voltage – Blocking State
Forward Leakage, Peak IDRM Tj= 25°C, VDRM = Rated – – 0.1 mA
Reverse Leakage, Peak IRRM Tj= 25°C, VRRM = Rated – – 0.1 mA
Gate – Parameters
Gate Current to Trigger IGT VD= 6V, RL= 6V, Tj= 25°C – – 30 mA
Gate Voltage to Trigger VGT VD= 6V, RL= 6V, Tj= 25°C – – 1.5 Volts
Non-triggering Gate Voltage VGD VD= YZVDRM, RL= 6V, Tj= 125°C 0.1 – – Volts
Commutating Capacitor CCCM= 700mF, VCM = 350V, ITM = 200A, – – 2.2 mF
L = 25mH, Ta= 25°C
Powerex, Inc., 200 Hillis Street,Youngwood, Pennsylvania 15697-1800 (412) 925-7272
CR3AMZ
Inver ter Grade SCR
for Strobe Flasher Applications
0.4 Amperes/400 Volts
0
2
4
6
8
10
MAXIMUM ON-STATE
CHARACTERISTICS
INSTANTANEOUS ON-STATE
CURRENT, ITM, (AMPERES)
INSTANTANEOUS ON-STATE VOLTAGE, VTM, (VOLTS)
100101102103
TC = 25oC
10-2
101
100
10-1
GATE CHARACTERISTICS
(I, II, III)
GATE CURRENT, IG, (mA)
GATE VOLTAGE, VG, (VOLTS)
101
100102103
VGD = 0.1V
(Tj = 25°C)
VFGM = 6V
VGT = 1.5V
IGFM = 0.5A
IGT = 30 mA
PGM =
0.5W
PG(avg) = 0.1W
PEAK ON-STATE CURRENT, ITM, (AMPERES)
MAIN CAPACITOR, CM, (mF)
120 140 160 180 200 220
0
200
400
600
800
1000
L = 25mH
Ta = 25°C
VCM = 350V
CC =
1.7mF
1.8mF
1.9mF
2.0mF 2.1mF2.2mF
2.3mF
COMMUTATING
CHARACTERISTICS
COMMUTATING CAPACITOR
VS. PEAK ON-STATE CURRENT
PEAK ON-STATE CURRENT, ITM, (AMPERES)
COMMUTATING CAPACITOR, CC, (mF)
100 120 140 160 180 200
1.5
1.7
1.9
2.1
2.3
2.5 L = 25mH
Ta = 25°C
VCM = 350V
CM = 25mH
COMMUTATING CAPACITOR
VS. AMBIENT TEMPERATURE
(TYPICAL)
AMBIENT TEMPERATURE, Ta, (°C)
0 20 40 60 80 100
80
100
120
140
160
180 L = 25mH
ITM = 200A
VCM = 350V
CM = 700mH
COMMUTATING CAPACITOR, (t°C)
COMMUTATING CAPACITOR, (25°C) x 100%
GATE TRIGGER CURRENT
VS. JUNCTION TEMPERATURE
(TYPICAL)
JUNCTION TEMPERATURE, Tj, (°C)
GATE TRIGGER CURRENT, (t°C)
GATE TRIGGER CURRENT, (25°C) x 100%
-20 0 20 40 60 80
101
102
103
GATE TRIGGER VOLTAGE VS.
JUNCTION TEMPERATURE
(TYPICAL)
JUNCTION TEMPERATURE, Tj, (°C)
-20 0 20 40 60 80
0
0.2
0.4
0.6
0.8
1.0
GATE TRIGGER VOLTAGE, VGT, (VOLTS)
101
104
103
102
GATE TRIGGER CURRENT VS.
GATE CURRENT PULSE WIDTH
(TYPICAL)
GATE CURRENT PULSE WIDTH, tw, (ms)
101
100102103
GATE TRIGGER CURRENT, (tw)
GATE TRIGGER CURRENT, (DC) x 100%
tw
0 t
IG
Tj = 25°C
S-3
Powerex, Inc., 200 Hillis Street,Youngwood, Pennsylvania 15697-1800 (412) 925-7272
CR3AMZ
Inver ter Grade SCR
for Strobe Flasher Applications
0.4 Amperes/400 Volts
CM
CM = 700mF
VCM = 350V
ITM = 200A
L = 25mH
Ta = 25°C
VCM CC
IT
L
15kV
470V
CR3AMZ
1kV
10kV
10V
+
-
0.1m0.047mF
S-4
TEST CIRCUIT FOR COMMUTATING CAPACITOR
