ROHM 2SB1690 User Guide
Summary
The 2SB1690 is a robust, general-purpose bipolar junction transistor designed for reliable amplification and signal driving applications. This manual provides comprehensive specifications, including absolute maximum ratings, advanced electrical characteristics, and detailed performance curves—covering aspects like DC current gain (hFE), saturation voltage ($V_{CE(sat)}$), and high transition frequency data. It is ideal for engineers developing commercial electronics such as communication devices, audio-visual equipment, and sophisticated industrial appliances that require stable, high-current amplification circuits.
Page 1 Text Content
2SB1690
Transistors
General purpose amplification(−12V, −2A) 2SB1690
Applications External dimensions (Unit : mm) Low frequency amplifier
TSMT3
Deiver
1.0MAX
Features
1) A collector current is large.
2) Collector saturation voltage is low.
VCE(sat) : max. −180m V 0.950.95
at IC= −1A / IB= −50m A
(1) Base (2) Emitter
(3) Collector Each lead has same dimensions
Packaging specifications Package Taping Type Code TL
Basic ordering unit (pieces)
1. 2SB1690 2.
Absolute maximum ratings (Ta=25°C)
Parameter Symbol Limits Unit
Collector-base voltage VCBO −15 Collector-emitter voltage VCEO −12
Emitter-base voltage VEBO −6 IC −2
Collector current
ICP A−4 ∗1
Collector power dissipation PC
Junction temperature Tj °C Storage temperature Tstg −55 to +150 °C ∗1 Single pulse Pw=1ms ∗2 Each terminal mounted on a recommended land ∗3 Mounted on a 25mm×25mm× t 0.8mm ceramic substrate
Electrical characteristics (Ta=25°C)
Parameter Symbol Min. Typ. Max. Unit Conditions
Collector-base breakdown voltage BVCBO −15 IC=−10µA Collector-emitter breakdown viltage BVCEO −12 IC=−1m A Emitter-base breakdown voltage BVEBO −6 IE=−10µA Collector cutoff current ICBO −100 n A VCB=−15V Emitter cutoff current IEBO −100 n A VEB=−6V
Collerctor-emitter saturation voltage VCE(sat) −120 −180 m V IC=−1A, IB=−50m A
DC current transfer ratio h FE VCE=−2V, IC=−200m A
Transition frequency f T VCE=−2V, IE=200m A, f=100MHz MHz
Output capacitance Cob p F VCB=−10V, IE=0m A, f=1MHz
Pulsed
Rev.B 1/2
Page Summary Contents For ROHM 2SB1690 User Guide
Manual Details
| Brand | ROHM |
|---|---|
| Pages | 3 |
| File Size | 68.77 KB |
| Published | June 21, 2026 |
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Frequently Asked Questions
What are the absolute maximum ratings for terminal voltages?
The collector-base voltage (VCBO) limit is -15 V; VCEO is -12 V; and VEBO is -6 V.
How must this component be mounted for proper operation?
It must be mounted on a 25mm×25mm× 0.8mm ceramic substrate.
Is this device suitable for use in high-reliability, life-critical equipment?
Users must consult sales representatives if the application requires extremely high levels of reliability (e.g., medical or aerospace machinery).
What is the maximum collector power dissipation rating?
The specified maximum collector power dissipation (PC) is 1 W.