# Bipolar (BJT) Single Transistor, NPN, 20 V, 1.25 A, 500 mW, SOT-323, Surface Mount ![Product image](https://novapart.co/image/farnell:3943351/) **URL**: https://novapart.co/products/ZUMT618TA/bipolar-bjt-single-transistor-npn-20-v-125-a-500 **SKU**: ZUMT618TA **Manufacturer**: DIODES INC. **Price**: €0.1270 **Stock**: 1000+ **Lead Time**: 78 days (indicative) ## Specifications | Parameter | Value | |---|---| | Msl | MSL 1 - Unlimited | | Svhc | No SVHC (25-Jun-2025) | | No. Of Pins | 3Pins | | Product Range | Super323 ZUMT Series | | Qualification | - | | Power Dissipation | 500mW | | Transistor Mounting | Surface Mount | | Transistor Polarity | NPN | | Transition Frequency | 210MHz | | Transistor Case Style | SOT-323 | | Dc Current Gain Hfe Min | 40hFE | | Operating Temperature Max | 150°C | | Continuous Collector Current | 1.25A | | Collector Emitter Voltage Max | 20V | ## Datasheet 📄 [Download PDF](https://novapart.co/datasheet/farnell:3943351/) # **Super323**  **SOT323 NPN SILICON POWER(SWITCHING) TRANSISTOR** ## **ZUMT618** ## **ISSUE 1 - SEPTEMBER 1998** FEATURES - **500mW POWER DISSIPATION** - **IC CONT 1.25A** - 3A Peak Pulse Current - Excellent HFE Characteristics Up to 3A (pulsed) - * Extremely Low Equivalent On Resistance; **RCE(sat)** ## APPLICATIONS - Corded telecoms. - Boost functions in DC-DC converters - Motor driver functions |DEVICE TYPE|COMPLEMENT|PARTMARKING|**RCE(sat)**| |---|---|---|---| |ZUMT618|ZUMT718|T62|**125m**Ω**at1.25A**| ## **ABSOLUTE MAXIMUM RATINGS.** |PARAMETER|SYMBOL|VALUE|UNIT| |---|---|---|---| |Collector-Base Voltage|VCBO|20|V| |Collector-Emitter Voltage|VCEO|20|V| |Emitter-Base Voltage|VEBO|5|V| |Peak Pulse Current**|ICM|4|A| |**Continuous Collector Current**|**IC**|**1.25**|A| |Base Current|IB|500|mA| |**Power Dissipation at Tamb=25°C**|P**tot**|**385 †**
**500 ‡**|**mW**| |Operating and Storage Temperature
Range|Tj:Tstg|-55 to +150|°C| - Recommended Ptot calculated using FR4 measuring 10 x 8 x 0.6mm (still air). ‡ Maximum power dissipation is calculated assuming that the device is mounted on FR4 size 25x25x0.6mm and using comparable measurement methods adopted by other suppliers. ## **ZUMT618** ## **ELECTRICAL CHARACTERISTICS (at Tamb = 25°C unless otherwise stated).** |PARAMETER|SYMBOL|MIN.|TYP.|MAX.|UNIT|CONDITIONS.| |---|---|---|---|---|---|---| |Collector-Base
Breakdown Voltage|V(BR)CBO|20|||V|IC= 100µA| |Collector-Emitter
Breakdown Voltage|V(BR)CEO|20|||V|IC= 10mA*| |Emitter-Base
Breakdown Voltage|V(BR)EBO|5|||V|IE= 100µA| |Collector Cut-Off
Current|ICBO|||10|nA|VCB= 16V| |Emitter Cut-Off
Current|IEBO|||10|nA|VEB= 4V| |Collector Emitter
Cut-Off Current|ICES|||10|nA|VCES= 16V| |Collector-Emitter
Saturation Voltage|VCE(sat)||16.5
40
80
140
155|25
60
115
200
250|mV
mV
mV
mV
mV|IC= 100mA, IB=10mA*
IC= 250mA, IB= 10mA*
IC= 500mA, IB=10mA*
IC= 1A, IB=20mA*
IC= 1.25A, IB=50mA*| |Base-Emitter
Saturation Voltage|VBE(sat)||955|1100|mV|IC= 1.25A, IB=50mA*| |Base-Emitter
Turn-On Voltage|VBE(on)||840|1100|mV|IC= 1.25A, VCE= 2V*| |Static Forward
Current Transfer
Ratio|hFE|200
300
200
100
40
20|420
450
380
300
180
60|||IC= 10mA, VCE= 2V*
IC= 100mA, VCE= 2V*
IC= 500mA, VCE=2V*
IC= 1A, VCE=2 V*
IC= 2A, VCE=2V*
IC=4A, VCE= 2V*| |Transition
Frequency|fT||210||MHz|IC= 50mA, VCE=10V
f= 100MHz| |Output Capacitance|Cobo||10||pF|VCB= 10V, f=1MHz| |Turn-On Time|t(on)||50||ns|VCC=10 V, IC=1A
IB1=IB2=100mA| |Turn-Off Time|t(off)||275||ns|| *Measured under pulsed conditions. Pulse width=300 µ s. Duty cycle ≤ 2% ## **ZUMT618** ## **TYPICAL CHARACTERISTICS** **==> picture [349 x 426] intentionally omitted <==** **----- Start of picture text -----**
0.4 0.4
+25°C IC/IB=50
0.3 0.3
IC/IB=10
IC/IB=50
IC/IB=100 -55°C
0.2 0.2 +100°C+25°C
+150°C
0.1 0.1
0 0
1m 10m 100m 1 10 1m 10m 100m 1 10
IC - Collector Current (A) IC - Collector Current (A)
VCE(sat) v IC VCE(sat) v IC
VCE=2V 1.0 IC/IB=50
600
+100°C
0.8
400 +25°C 0.6
-55°C 0.4 -55°C
200 +100°C+25°C
0.2 +150°C
0 0
1m 10m 100m 1 10 1m 10m 100m 1 10
IC - Collector Current (A) IC - Collector Current (A)
hFE v IC VBE(sat) v IC
1.0 10
0.8
1
0.6
DC
1s
0.4 100ms
+25°C-55°C 100m 10ms1ms
0.2 +100°C+150°C 100µs
0 10m
1m 10m 100m 1 10 100m 1 10 100
IC - Collector Current (A) VCE - Collector Emitter Voltage (V)
VBE(on) v IC Safe Operating Area
- (V) - (V)
CE(sat) CE(sat)
V V
- (V)
BE(sat)
V
hFE - Typical Gain
- (V)
BE(on)
V
- Collector Current (A)
IC
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