T107B1 Littelfuse Inc, T107B1 Datasheet - Page 10

• Manufacturer Part Number: T107B1
• Description: SCR THYRISTOR, 4A, 200V
• Manufacturer: Littelfuse Inc

Specifications of T107B1

• Peak Repetitive Off-state Voltage, Vdrm: 200V
• Gate Trigger Current Max, Igt: 0.5mA
• Current It Av: 4A
• On State Rms Current It(rms): 4A
• Gate Trigger Voltage Max Vgt: 800mV
• Peak Surge Current: 20A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Sensitive SCRs
Figure E5.17 Power Dissipation (Typical) versus RMS On-state Current
Figure E5.18 Normalized DC Latching Current versus Case Temperature
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9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
-65
12
10
8
6
4
2
0
0
-40
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
RMS On-state Current [I
-15
2
See General Notes for specific device
operating temperature range.
Case Temperature (T C ) – ˚C
4
+25
6 A to 10 A
TO-220, TO-202,
TO-251, and TO-252
6
T(RMS)
+65
] – Amps
8
10
+110 +125
E5 - 10
Figure E5.19 Simple Test Circuit for Gate Trigger Voltage and
Note: V1 — 0 V to 10 V dc meter
To measure gate trigger voltage and current, raise gate voltage
(V
voltage is the reading on V
ger current I
where I
ping.
Note: I
flows out from gate lead). If negative current occurs, I
not a valid reading. Remove 1 k resistor and use I
correct I
6 V
GT
DC
) until meter reading V1 drops from 6 V to 1 V. Gate trigger
I GT
+
–
V
I
R1 — 1 k potentiometer
GT
G
G
GT
GT
Normally-closed
— 0 mA to 1 mA dc milliammeter
is reading (in amperes) on meter just prior to V1 drop-
may turn out to be a negative quantity (trigger current
=
Pushbutton
— 0 V to 1 V dc meter
value. This will occur on 12
Current Measurement
Reset
GT
I G
V1
can be computed from the relationship
–
D.U.T.
------------ - Amps
1000
V
GT
100
GT
(1%)
just prior to V1 dropping. Gate trig-
1 k
I
GT
µ
I
G
A gate products.
Thyristor Product Catalog
V
GT
©2004 Littelfuse, Inc.
IN4001
G
as the more
100
GT
Data Sheets
value is
R1