Gas Discharge Tube
Over-Voltage Protection Device
PRODUCT: GTCA28-302M-R03
DOCUMENT: SCD27870
REV LETTER: C
REV DATE: JULY 26, 2016
PAGE NO.: 1 OF 2
Specification Status: Released
Marking:
TABLE I. DIMENSIONS:
A
mm
in*
MIN
58.0
(2.28)
MAX
66.0
(2.60)
MIN
5.8
(0.23)
Impulse
Sparkover
Voltage
@100V/μs
B
MAX
6.2
(0.24)
MIN
7.8
(0.31)
D1
MAX
8.2
(0.32)
D2
NOM
0.8
(0.03)
*Rounded off approximation
TABLE II. ELECTRICAL CHARACTERISTICS:
DC Sparkover
Voltage
@100V/s
3000V ± 20%
Insulation
Resistance
@1,000V
DC
≥ 10,000MΩ
Capacitanc
e
@1MHz
AC Discharge Current,
50 Hz
Multiple Hits
(1s duration: 10
hits)
1A
Single hit,
9 cycles
5A
Impulse Discharge
Current
8/20μs
10 hits (5hits
for each
1hit
polarity)
3kA
10kA
≤
4000V
≤
1.0pF
General Characteristics:
No Radioactive Materials
Storage temperature:
-40°C
… +90°C
Operating temperature:
-40°C
… +90°C
Electrode: Fe-Ni alloy, Ni plated
Lead: Sn plated Copper
Agency Recognitions:
Precedence:
Effectivity:
CAUTION:
UL1449 (File# E332226)
This specification takes precedence over documents referenced herein
Reference documents shall be the issue in effect on the date of invitation for bid
Operation beyond the rated voltage or current may result in rupture, electrical arcing or flame
Materials Information
ROHS Compliant
ELV Compliant
© 2016 Littelfuse,Inc
Specifications are subject to change without notice.
Revised July 26,2016
littelfuse.com
Gas Discharge Tube
Over-Voltage Protection Device
PRODUCT: GTCA28-302M-R03
DOCUMENT: SCD27870
REV LETTER: C
REV DATE: JULY 26, 2016
PAGE NO.: 2 OF 2
Information furnished is believed to be accurate and reliable. However, users should independently evaluate the suitability of and test each
product selected for their own applications. Littelfuse products are not designed for, and shall not be used for, any purpose (including,
without limitation, military, aerospace, medical, lifesaving, life- sustaining or nuclear facility applications, devices intended for surgical
implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury,
death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by
Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentat ion. Littelfuse
shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in
applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless
otherwise agreed by Littelfuse.
© 2016 Littelfuse,Inc
Specifications are subject to change without notice.
Revised July 26,2016
littelfuse.com
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