Eaton MTL7761ac - Page 20

16
INM 7700 Rev 12
Table 10: Diode return barriers
Note: Vf
z
is the voltage dropped by a forward biased zener diode - 0.6V typically
BARRIER DATA MULTIMETER TESTS
CONSTANT-CURRENT TESTS
Model
No.
Safety
Description
End-to-end
Resistance
Ω
Diode
Test
+ve
Diode
Test
-ve
Terminal
Voltage
@ 10µA
Terminal
Voltage
@ 20mA
V Ω mA Min Max Min Max Min Max
7787+ 28 300 93 311 333 ∞ Vf
z
x 2 26.6 27.4 26.7 27.6
7787+ (ch2) 28 — — ∞ (+)
0.9V + 26
∞ Vf
z
x 2 26.6 27.4 26.7 27.6
7787P+ 28 237 119 241 253 ∞ Vf
z
x 3 26.4 27.4 26.5 27.6
7787P+ (ch2) 28 — — ∞ (+)
0.9V + 26
∞ Vf
z
x 2 26.6 27.4 26.7 27.6
7789+ 38 300 93 614 651 ∞ Vf
z
x 2 26.6 27.4 26.7 27.6
7789+ (ch2) 28 — — ∞ (+)
0.9V + 26
∞ Vf
z
x 2 26.6 27.4 26.7 27.6