Sumitomo Electric Industries, Ltd.
Part No.: SLT2420-xN-xnnnx Series
Document No.: HUW9924209-01D
Data of issue: Januar y 18, 2001
Page 3 of 7
4. Electrical and optical characteristics
(Pf=1.5mW, SMF(9.5/125µm), Tc=+25°C, unless otherwise noted.)
Parameter Symbol Condition Min. Typ. Max. Unit
CW — 10 20Threshold current Ith C W, Tc=0~+70°C — — 50 mA
CW, I f=Ith+20mA 1.0 1.5 3.0Optical output power Pf CW, I f=Ith+20mA, Tc=0~+70°C 0.5 — — mW
Operating voltage Vf CW, Tc=0~+70°C — — 1.7 V
Slope efficiency Se CW, Average(It h to Ith+20mA) 0.05 0.075 0.15 mW/mA
Peak wavelength lcCW (*1) nm
Wav elength Temperature
Coeff — C W, Tc=0~+70°C 0.08 0.1 0.12 nm/°C
Side-mode suppression ratio SSR CW, Tc=0~+70°C 30 — — dB
Tracking er ror DPf Im hold(@Pf=1.5mW(25°C)), CW
Tc=0~+70°C -1.5 — 1.5 dB
Rise time tr Ib=Ith, 20-80%, Tc=0~+70°C — 0.10 0.15 nsec.
Fall time tf Ib=Ith, 80-20%, Tc=0~+70°C — 0.10 0.15 nsec.
Extinction ratio Er 10log(1.5mW/Pf(Ith))
Tc=0~+70°C 10——dB
Monitor current Im CW, VrP=5V, Tc=0~+70°C 50 — — µA
VrP=5V — 1 10Monitor dark current Id VrP=5V, Tc=0~+70°C — — 100 nA
Monitor capacitance C VrP=5V, f=1MHz — — 10 pF
Connector repeatability — ( *2) — — ±1 dB
Note: *1. Detail of peak wavelength specification
Rank A Rank B
Channel No. Min. Typ. Max. Unit Channel No. Min. Typ. Max. Unit
-G390A 1468 1470 1472 -G390B 1467 1470 1473
-G120A 1488 1490 1492 -G120B 1487 1490 1493
-F850A 1508 1510 1512 -F850B 1507 1510 1513
-F590A 1528 1530 1532 -F590B 1527 1530 1533
-F340A 1548 1550 1552 -F340B 1547 1550 1553
-F095A 1568 1570 1572 -F095B 1567 1570 1573
-E855A 1588 1590 1592 -E855B 1587 1590 1593
-E620A 1608 1610 1612
nm
-E620B 1607 1610 1613
nm
*2. Measured with SEI’s master plug and an extra receptacle.