Littelfuse PGB2 0201 Series - Manual (Page 3)

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©2012 Littelfuse Specifications are subject to change without notice.
PULSE-GUARD ® ESD Suppressors
Surface Mount Polymeric Electrostatic Discharge Suppressors
Revised: August 24, 2012
PGB2 0201 Series
Environmental Specifications
Operating Temperature ¡$UP¡$
Biased Humity:
Biased Heat:
¡$
3)
IPVST
¡$
IPVST
Thermal Shock
.*-45%
.FUIPE(
¡$UP¡$
NJODZDMF
10 cycles
Vibration .*-45%
.FUIPE"
Chemical Resistance .*-45%
.FUIPE
Solder Leach Resistance and
Terminal Adhesion
*1$&*"+45%
Physical Specifications
Materials
#PEZ&QPYZ(MBTT4VCTUSBUF
5FSNJOBUJPOT$V/J4O
Device Weight NH
Solderability .*-45%
.FUIPE
Soldering
Parameters 8BWFTPMEFS¡$
TFDPOETNBYJNVN
3FnPXTPMEFS¡$
TFDPOETNBYJNVN
Design Consideration
Because of the fast rise-time of the ESD transient, proper
placement of PULSE-GUARD
® TVQQSFTTPSTBSFBLFZ
design consideration to achieving optimal ESD suppression.
The devices should be placed on the circuit board as close
to the source of the ESD transient as possible. Install
PULSE-GUARD
® TVQQSFTTPST DPOOFDUFEGSPNTJHOBMEBUB
line to ground) directly behind the connector so that they
are the first board-level circuit component encountered by
the ESD transient.
Soldering Parameters
Time
T
emperature
T
P
T
L
T
S(max)
T
S(min)
25
t
P
t
L
t
S
time to peak temperature
Preheat Preheat
Ramp-up Ramp-up
Ramp-down Ramp-do
Reflow Condition Pb – Free assembly
Pre Heat
- Temperature Min (T
s(min)
) ¡$
- Temperature Max (T
s(max)
) ¡$
- Time (min to max) (t
s
) 60 – 180 seconds
Average ramp up rate (Liquidus Temp
(T
L
) to peak
¡$TFDPOENBY
T
S(max)
to T
L
- Ramp-up Rate ¡$TFDPOENBY
Reflow
- Temperature (T
L
) (Liquidus) ¡$
- Temperature (t
L
) oTFDPOET
Peak Temperature (T
P
) ¡$
Time within 5°C of actual peak
Temperature (t
p
)
oTFDPOET
Ramp-down Rate ¡$TFDPOENBY
Time 25°C to peak Temperature (T
P
) NJOVUFTNBY
Notes:
- PGB2 Series recommended for reflow soldering only
3FDPNNFOEFEQSPmMFCBTFEPO*1$+&%&%+45%$
- For recommended soldering pad layout dimensions,
please refer to Dimensions section of this data sheet