參數(shù)資料
型號： P3300AA61RP
英文描述： SIDAC|360V V(BO) MAX|800MA I(S)|TO-220VAR
中文描述： SIDAC的| 360V五（公報）最大| 800mA的我（縣）|對220VAR
文件頁數(shù)： 94/161頁
文件大小： 986K
代理商： P3300AA61RP
FCC PART 68
SIDACtor
Data Book
4 - 20
Teccor Electronics
(972) 580-7777
Table 4-16 FCC Voltage Surge
Notes:
1. For Type A surges, the EUT may be pass either
“
operationally
”
or
“
non-operationally
”
.
2. For Type B surges, the EUT must pass operationally.
3. The Peak Current for the Type A longitudinal surge is the total available curent from the surge
generator.
4. The Peak Current for the Type B longitudinal surge is the current supplied to each conductor.
Special Note:
FCC Type B surge requirements only guarantee a minimum level of surge protection.
For long term reliability of terminal equipment, consideration should be given to
complying with Type A surges operationally.
On-hook Impedance Limitations
Another important aspect of FCC Part 68 which is affected by transient protection is on
hook impedance. On hook impedance is analogous to the leakage current between Tip
and Ring, and Tip, Ring and ground conductors during various on hook conditions.
Criteria for on hook impedance is outlined below and is listed as part of the Ringer
Equivalent Number (REN) by the FCC. The REN is the largest of the unitless quotients
not greater than 5, and the rating is specified as the actual quotient followed by the
letter of the ringer classification, e.g., 2B.
On-hook Impedance Measurements
On-hook impedance measurements are made between Tip and Ring and between Tip
and ground and Ring and ground. For all DC voltages up to and including 100V, the
DC resistance measured must be greater than 5M
. For all DC voltages between 100
and 200V, the DC resistance must be greater than 30k
. The REN values are then
determined by dividing 25M
by the minimum measured resistance up to 100V and by
dividing 150k
by the minimum measured resistance between 100 and 200V.
On-hook impedance is also measured during the application of a simulated ringing
signal. This consists of a 40 through 150V
RMS
ringer signal at frequencies ranging
from 15.3 to 68.0Hz superimposed on a 56.5VDC for a class
“
B
”
ringer. During this
test, the total DC current may not exceed 3mA. In addition, the minimum DC
resistance measured between Tip and Ring must be greater than 1600
while the DC
resistance measured between the Tip and Ring conductors and ground must be
greater than 100k
. The REN values for the simulated ringing test are determined by
dividing the maximum DC current flowing between Tip and Ring by 0.6mA, and by
dividing 8000
by the minimum impedance value measured.
Surge
Type
Peak
Voltage
(V
PK
)
± 800
Rise &
Decay Time
(Wave-form)
10x560
μ
s
10x160
μ
s
Peak
Current
(A)
100
Rise &
Decay Time
(Wave-form)
10x560
μ
s
10x160
μ
s
Repetitions
Each Polarity
Metallic A
1
Longitudinal A
± 1500
200
1
Metallic B
± 1000
9x720
μ
s
25
5x320
μ
s
1
Longitudinal B
±
1500
9x720
μ
s
37.5
5x320
μ
s
1
相關PDF資料
PDF描述
P3500EA 44 PIN, 32 KB ENH FLASH, 1536 RAM, 36 I/O, -40C to +125C, 44-QFN, TUBE
P3500EARP1 SIDAC|400V V(BO) MAX|800MA I(S)|TO-92VAR
P3500EARP2 SIDAC|400V V(BO) MAX|800MA I(S)|TO-92VAR
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