ZMM5254B-7 Diodes Zetex, ZMM5254B-7 Datasheet - Page 3

• Manufacturer Part Number: ZMM5254B-7
• Description: DIODE ZENER 27V 500MW MINIMELF
• Manufacturer: Diodes Zetex

Specifications of ZMM5254B-7

• Voltage - Zener (nom) (vz): 27V
• Voltage - Forward (vf) (max) @ If: 1.5V @ 200mA
• Current - Reverse Leakage @ Vr: 100nA @ 21V
• Tolerance: ±5%
• Power - Max: 500mW
• Impedance (max) (zzt): 41 Ohm
• Mounting Type: Surface Mount
• Package / Case: Mini MELF
• Operating Temperature: -65°C ~ 175°C
• Lead Free Status / RoHS Status: Lead free by exemption / RoHS Compliant
• Other names: DL5254B; DL5254BTR; ZMM5254B; ZMM5254BDITR; ZMM5254BTR; ZMM5254BTR

DS30024 Rev. 5 - 3
500
400
300
200
100
0
0
Fig.1 Power Dissipation vs Ambient Temperature
40
T , AMBIENT TEMPERATURE
A
1000
100
1.0
10
80
0.1
D = 0.5
1000
0.2
0.1
0.05
0.02
0.01
100
120
10
1
0
Fig. 4 Typical Normalized Transient Thermal Impedance Curves
10mA
5.0mA
160
t , SQUARE WAVE PULSE DURATION (seconds)
1.0
1
Fig. 3 Differential Zener Impedance
5
www.diodes.com
I = 1.0mA
Z
200
V , ZENER VOLTAGE (V)
Z
3 of 5
10
10
15
200
150
100
50
0
0
Fig. 2 Junction Capacitance vs Zener Voltage
20
T = 25 C
P
j
(pk)
100
5
°
V , ZENER VOLTAGE (V)
t
1
Z
25
t
2
10
ZMM5221B-ZMM5267B
15
1000
20
V = 2.0V
T = 25 C
R
j
°
25